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swad-core/swad_remote_control.c

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Version 16.250
2017-07-09 20:31:40 +02:00
// swad_remote_control.c: remote control
/*
SWAD (Shared Workspace At a Distance),
is a web platform developed at the University of Granada (Spain),
and used to support university teaching.
This file is part of SWAD core.
Copyright (C) 1999-2017 Antonio Ca<EFBFBD>as Vargas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*****************************************************************************/
/********************************* Headers ***********************************/
/*****************************************************************************/
#include <linux/limits.h> // For PATH_MAX
#include <linux/stddef.h> // For NULL
#include <stdlib.h> // For calloc
#include <string.h> // For string functions
#include "swad_alert.h"
#include "swad_box.h"
#include "swad_database.h"
#include "swad_global.h"
#include "swad_group.h"
#include "swad_notification.h"
#include "swad_pagination.h"
#include "swad_parameter.h"
#include "swad_remote_control.h"
#include "swad_role.h"
#include "swad_table.h"
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/***************************** Private constants *****************************/
/*****************************************************************************/
#define Rmt_MAX_CHARS_ANSWER (1024 - 1) // 1023
#define Rmt_MAX_BYTES_ANSWER ((Rmt_MAX_CHARS_ANSWER + 1) * Str_MAX_BYTES_PER_CHAR - 1) // 16383
#define Rmt_MAX_BYTES_LIST_ANSWER_TYPES (10 + (Rmt_NUM_ANS_TYPES - 1) * (1 + 10))
const char *Rmt_StrAnswerTypesDB[Rmt_NUM_ANS_TYPES] =
{
"unique_choice",
"multiple_choice",
};
#define Rmt_MAX_ANSWERS_PER_QUESTION 10
struct GameQuestion
{
long QstCod;
unsigned QstInd;
Rmt_AnswerType_t AnswerType;
struct
{
char *Text;
} AnsChoice[Rmt_MAX_ANSWERS_PER_QUESTION];
bool AllAnsTypes;
char ListAnsTypes[Rmt_MAX_BYTES_LIST_ANSWER_TYPES + 1];
};
/*****************************************************************************/
/******************************* Private types *******************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private variables *****************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private prototypes ****************************/
/*****************************************************************************/
static void Rmt_ListAllGames (struct GameQuestion *GameQst);
static bool Rmt_CheckIfICanCreateGame (void);
static void Rmt_PutIconsListGames (void);
static void Rmt_PutIconToCreateNewGame (void);
static void Rmt_PutButtonToCreateNewGame (void);
static void Rmt_PutParamsToCreateNewGame (void);
static void Rmt_PutFormToSelectWhichGroupsToShow (void);
static void Rmt_ParamsWhichGroupsToShow (void);
static void Rmt_ShowOneGame (long GamCod,struct GameQuestion *GameQst,
bool ShowOnlyThisGameComplete);
static void Rmt_WriteAuthor (struct Game *Game);
static void Rmt_WriteStatus (struct Game *Game);
static void Rmt_GetParamGameOrder (void);
static void Rmt_PutFormsToRemEditOneGame (long GamCod,bool Visible);
static void Rmt_PutParams (void);
static void Rmt_SetAllowedAndHiddenScopes (unsigned *ScopesAllowed,
unsigned *HiddenAllowed);
static void Rmt_GetGameTxtFromDB (long GamCod,char Txt[Cns_MAX_BYTES_TEXT + 1]);
static void Rmt_PutParamGameCod (long GamCod);
static long Rmt_GetParamGameCod (void);
static void Rmt_PutButtonToResetGame (void);
static bool Rmt_CheckIfSimilarGameExists (struct Game *Game);
static void Rmt_SetDefaultAndAllowedScope (struct Game *Game);
static void Rmt_ShowLstGrpsToEditGame (long GamCod);
static void Rmt_UpdateNumUsrsNotifiedByEMailAboutGame (long GamCod,
unsigned NumUsrsToBeNotifiedByEMail);
static void Rmt_CreateGame (struct Game *Game,const char *Txt);
static void Rmt_UpdateGame (struct Game *Game,const char *Txt);
static bool Rmt_CheckIfGamIsAssociatedToGrps (long GamCod);
static void Rmt_RemoveAllTheGrpsAssociatedToAndGame (long GamCod);
static void Rmt_CreateGrps (long GamCod);
static void Rmt_GetAndWriteNamesOfGrpsAssociatedToGame (struct Game *Game);
static bool Rmt_CheckIfICanDoThisGameBasedOnGrps (long GamCod);
static unsigned Rmt_GetNumQstsGame (long GamCod);
static void Rmt_ShowFormEditOneQst (long GamCod,struct GameQuestion *GameQst,
char Txt[Cns_MAX_BYTES_TEXT + 1]);
static void Rmt_InitQst (struct GameQuestion *GameQst);
static void Rmt_PutParamQstCod (long QstCod);
static long Rmt_GetParamQstCod (void);
static void Rmt_RemAnswersOfAQuestion (long QstCod);
static Rmt_AnswerType_t Rmt_ConvertFromStrAnsTypDBToAnsTyp (const char *StrAnsTypeBD);
static bool Rmt_CheckIfAnswerExists (long QstCod,unsigned AnsInd);
static unsigned Rmt_GetAnswersQst (long QstCod,MYSQL_RES **mysql_res);
static bool Rmt_AllocateTextChoiceAnswer (struct GameQuestion *GameQst,unsigned NumAns);
static void Rmt_FreeTextChoiceAnswers (struct GameQuestion *GameQst,unsigned NumAnswers);
static void Rmt_FreeTextChoiceAnswer (struct GameQuestion *GameQst,unsigned NumAns);
static unsigned Rmt_GetQstIndFromQstCod (long QstCod);
static unsigned Rmt_GetNextQuestionIndexInGame (long GamCod);
static void Rmt_ListGameQuestions (struct Game *Game,struct GameQuestion *GameQst);
static void Rmt_PutIconToAddNewQuestion (void);
static void Rmt_PutButtonToCreateNewQuestion (void);
static void Rmt_WriteQstStem (const char *Stem);
static void Rmt_WriteAnswersOfAQst (struct Game *Game,struct GameQuestion *GameQst,bool PutFormAnswerGame);
static void Rmt_DrawBarNumUsrs (unsigned NumUsrs,unsigned MaxUsrs);
static void Rmt_PutIconToRemoveOneQst (void);
static void Rmt_PutParamsRemoveOneQst (void);
static void Rmt_ReceiveAndStoreUserAnswersToAGame (long GamCod);
static void Rmt_IncreaseAnswerInDB (long QstCod,unsigned AnsInd);
static void Rmt_RegisterIHaveAnsweredGame (long GamCod);
static bool Rmt_CheckIfIHaveAnsweredGame (long GamCod);
static unsigned Rmt_GetNumUsrsWhoHaveAnsweredGame (long GamCod);
/*****************************************************************************/
/************************** List all the games *****************************/
/*****************************************************************************/
void Rmt_SeeAllGames (void)
{
struct GameQuestion GameQst;
Ale_ShowAlert (Ale_INFO,"Under development.");
/***** Get parameters *****/
Rmt_GetParamGameOrder ();
Grp_GetParamWhichGrps ();
Gbl.Games.CurrentPage = Pag_GetParamPagNum (Pag_SURVEYS);
/***** Show all the games *****/
Rmt_ListAllGames (&GameQst);
}
/*****************************************************************************/
/*************************** Show all the games ****************************/
/*****************************************************************************/
static void Rmt_ListAllGames (struct GameQuestion *GameQst)
{
extern const char *Hlp_ASSESSMENT_Games;
extern const char *Txt_Games;
extern const char *Txt_START_END_TIME_HELP[Dat_NUM_START_END_TIME];
extern const char *Txt_START_END_TIME[Dat_NUM_START_END_TIME];
extern const char *Txt_Game;
extern const char *Txt_Status;
extern const char *Txt_No_games;
Rmt_Order_t Order;
struct Pagination Pagination;
unsigned NumGame;
/***** Get number of groups in current course *****/
if (!Gbl.CurrentCrs.Grps.NumGrps)
Gbl.CurrentCrs.Grps.WhichGrps = Grp_ALL_GROUPS;
/***** Get list of games *****/
Rmt_GetListGames ();
/***** Compute variables related to pagination *****/
Pagination.NumItems = Gbl.Games.Num;
Pagination.CurrentPage = (int) Gbl.Games.CurrentPage;
Pag_CalculatePagination (&Pagination);
Gbl.Games.CurrentPage = (unsigned) Pagination.CurrentPage;
/***** Write links to pages *****/
if (Pagination.MoreThanOnePage)
Pag_WriteLinksToPagesCentered (Pag_SURVEYS,
0,
&Pagination);
/***** Start box *****/
Box_StartBox ("100%",Txt_Games,Rmt_PutIconsListGames,
Hlp_ASSESSMENT_Games,Box_NOT_CLOSABLE);
/***** Select whether show only my groups or all groups *****/
if (Gbl.CurrentCrs.Grps.NumGrps)
Rmt_PutFormToSelectWhichGroupsToShow ();
if (Gbl.Games.Num)
{
/***** Table head *****/
Tbl_StartTableWideMargin (2);
fprintf (Gbl.F.Out,"<tr>"
"<th class=\"CONTEXT_COL\"></th>"); // Column for contextual icons
for (Order = Rmt_ORDER_BY_START_DATE;
Order <= Rmt_ORDER_BY_END_DATE;
Order++)
{
fprintf (Gbl.F.Out,"<th class=\"LEFT_MIDDLE\">");
/* Form to change order */
Act_FormStart (ActSeeAllGam);
Grp_PutParamWhichGrps ();
Pag_PutHiddenParamPagNum (Pag_SURVEYS,Gbl.Games.CurrentPage);
Par_PutHiddenParamUnsigned ("Order",(unsigned) Order);
Act_LinkFormSubmit (Txt_START_END_TIME_HELP[Order],"TIT_TBL",NULL);
if (Order == Gbl.Games.SelectedOrder)
fprintf (Gbl.F.Out,"<u>");
fprintf (Gbl.F.Out,"%s",Txt_START_END_TIME[Order]);
if (Order == Gbl.Games.SelectedOrder)
fprintf (Gbl.F.Out,"</u>");
fprintf (Gbl.F.Out,"</a>");
Act_FormEnd ();
fprintf (Gbl.F.Out,"</th>");
}
fprintf (Gbl.F.Out,"<th class=\"LEFT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"CENTER_MIDDLE\">"
"%s"
"</th>"
"</tr>",
Txt_Game,
Txt_Status);
/***** Write all the games *****/
for (NumGame = Pagination.FirstItemVisible;
NumGame <= Pagination.LastItemVisible;
NumGame++)
Rmt_ShowOneGame (Gbl.Games.LstGamCods[NumGame - 1],GameQst,false);
/***** End table *****/
Tbl_EndTable ();
}
else // No games created
Ale_ShowAlert (Ale_INFO,Txt_No_games);
/***** Button to create a new game *****/
if (Rmt_CheckIfICanCreateGame ())
Rmt_PutButtonToCreateNewGame ();
/***** End box *****/
Box_EndBox ();
/***** Write again links to pages *****/
if (Pagination.MoreThanOnePage)
Pag_WriteLinksToPagesCentered (Pag_SURVEYS,
0,
&Pagination);
/***** Free list of games *****/
Rmt_FreeListGames ();
}
/*****************************************************************************/
/******************* Check if I can create a new game **********************/
/*****************************************************************************/
static bool Rmt_CheckIfICanCreateGame (void)
{
switch (Gbl.Usrs.Me.Role.Logged)
{
case Rol_TCH:
return (Gbl.CurrentCrs.Crs.CrsCod > 0);
case Rol_DEG_ADM:
return (Gbl.CurrentDeg.Deg.DegCod > 0); // Always true
case Rol_CTR_ADM:
return (Gbl.CurrentCtr.Ctr.CtrCod > 0); // Always true
case Rol_INS_ADM:
return (Gbl.CurrentIns.Ins.InsCod > 0); // Always true
case Rol_SYS_ADM:
return true;
default:
return false;
}
return false;
}
/*****************************************************************************/
/***************** Put contextual icons in list of games *******************/
/*****************************************************************************/
static void Rmt_PutIconsListGames (void)
{
/***** Put icon to create a new game *****/
if (Rmt_CheckIfICanCreateGame ())
Rmt_PutIconToCreateNewGame ();
/***** Put icon to show a figure *****/
Gbl.Stat.FigureType = Sta_SURVEYS;
Sta_PutIconToShowFigure ();
}
/*****************************************************************************/
/********************** Put icon to create a new game **********************/
/*****************************************************************************/
static void Rmt_PutIconToCreateNewGame (void)
{
extern const char *Txt_New_game;
Lay_PutContextualLink (ActFrmNewGam,NULL,Rmt_PutParamsToCreateNewGame,
"plus64x64.png",
Txt_New_game,NULL,
NULL);
}
/*****************************************************************************/
/********************* Put button to create a new game *********************/
/*****************************************************************************/
static void Rmt_PutButtonToCreateNewGame (void)
{
extern const char *Txt_New_game;
Act_FormStart (ActFrmNewGam);
Rmt_PutParamsToCreateNewGame ();
Btn_PutConfirmButton (Txt_New_game);
Act_FormEnd ();
}
/*****************************************************************************/
/******************* Put parameters to create a new game *******************/
/*****************************************************************************/
static void Rmt_PutParamsToCreateNewGame (void)
{
Rmt_PutHiddenParamGameOrder ();
Grp_PutParamWhichGrps ();
Pag_PutHiddenParamPagNum (Pag_SURVEYS,Gbl.Games.CurrentPage);
}
/*****************************************************************************/
/***************** Put form to select which groups to show *******************/
/*****************************************************************************/
static void Rmt_PutFormToSelectWhichGroupsToShow (void)
{
fprintf (Gbl.F.Out,"<div style=\"display:table; margin:0 auto;\">");
Grp_ShowFormToSelWhichGrps (ActSeeAllGam,Rmt_ParamsWhichGroupsToShow);
fprintf (Gbl.F.Out,"</div>");
}
static void Rmt_ParamsWhichGroupsToShow (void)
{
Rmt_PutHiddenParamGameOrder ();
Pag_PutHiddenParamPagNum (Pag_SURVEYS,Gbl.Games.CurrentPage);
}
/*****************************************************************************/
/****************************** Show one game ******************************/
/*****************************************************************************/
void Rmt_SeeOneGame (void)
{
struct Game Game;
struct GameQuestion GameQst;
/***** Initialize question to zero *****/
Rmt_InitQst (&GameQst);
/***** Get parameters *****/
Rmt_GetParamGameOrder ();
Grp_GetParamWhichGrps ();
Gbl.Games.CurrentPage = Pag_GetParamPagNum (Pag_SURVEYS);
/***** Get game code *****/
if ((Game.GamCod = Rmt_GetParamGameCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of game is missing.");
/***** Show game *****/
Rmt_ShowOneGame (Game.GamCod,&GameQst,true);
}
/*****************************************************************************/
/****************************** Show one game ******************************/
/*****************************************************************************/
static void Rmt_ShowOneGame (long GamCod,struct GameQuestion *GameQst,
bool ShowOnlyThisGameComplete)
{
extern const char *Hlp_ASSESSMENT_Games;
extern const char *Txt_Game;
extern const char *Txt_Today;
extern const char *Txt_View_game;
extern const char *Txt_No_of_questions;
extern const char *Txt_No_of_users;
extern const char *Txt_Scope;
extern const char *Txt_Country;
extern const char *Txt_Institution;
extern const char *Txt_Centre;
extern const char *Txt_Degree;
extern const char *Txt_Course;
extern const char *Txt_Users;
extern const char *Txt_Play;
extern const char *Txt_View_game_results;
static unsigned UniqueId = 0;
struct Game Game;
char Txt[Cns_MAX_BYTES_TEXT + 1];
/***** Start box *****/
if (ShowOnlyThisGameComplete)
Box_StartBox (NULL,Txt_Game,NULL,
Hlp_ASSESSMENT_Games,Box_NOT_CLOSABLE);
/***** Get data of this game *****/
Game.GamCod = GamCod;
Rmt_GetDataOfGameByCod (&Game);
/***** Start table *****/
if (ShowOnlyThisGameComplete)
Tbl_StartTableWide (2);
/***** Write first row of data of this assignment *****/
/* Forms to remove/edit this assignment */
fprintf (Gbl.F.Out,"<tr>"
"<td rowspan=\"2\" class=\"CONTEXT_COL");
if (!ShowOnlyThisGameComplete)
fprintf (Gbl.F.Out," COLOR%u",Gbl.RowEvenOdd);
fprintf (Gbl.F.Out,"\">");
if (Game.Status.ICanEdit)
Rmt_PutFormsToRemEditOneGame (Game.GamCod,Game.Status.Visible);
fprintf (Gbl.F.Out,"</td>");
/* Start date/time */
UniqueId++;
fprintf (Gbl.F.Out,"<td id=\"gam_date_start_%u\" class=\"%s LEFT_TOP",
UniqueId,
Game.Status.Visible ? (Game.Status.Open ? "DATE_GREEN" :
"DATE_RED") :
(Game.Status.Open ? "DATE_GREEN_LIGHT" :
"DATE_RED_LIGHT"));
if (!ShowOnlyThisGameComplete)
fprintf (Gbl.F.Out," COLOR%u",Gbl.RowEvenOdd);
fprintf (Gbl.F.Out,"\">"
"<script type=\"text/javascript\">"
"writeLocalDateHMSFromUTC('gam_date_start_%u',%ld,"
"%u,'<br />','%s',true,true,0x7);"
"</script>"
"</td>",
UniqueId,Game.TimeUTC[Rmt_START_TIME],
(unsigned) Gbl.Prefs.DateFormat,Txt_Today);
/* End date/time */
fprintf (Gbl.F.Out,"<td id=\"gam_date_end_%u\" class=\"%s LEFT_TOP",
UniqueId,
Game.Status.Visible ? (Game.Status.Open ? "DATE_GREEN" :
"DATE_RED") :
(Game.Status.Open ? "DATE_GREEN_LIGHT" :
"DATE_RED_LIGHT"));
if (!ShowOnlyThisGameComplete)
fprintf (Gbl.F.Out," COLOR%u",Gbl.RowEvenOdd);
fprintf (Gbl.F.Out,"\">"
"<script type=\"text/javascript\">"
"writeLocalDateHMSFromUTC('gam_date_end_%u',%ld,"
"%u,'<br />','%s',false,true,0x7);"
"</script>"
"</td>",
UniqueId,Game.TimeUTC[Rmt_END_TIME],
(unsigned) Gbl.Prefs.DateFormat,Txt_Today);
/* Game title */
fprintf (Gbl.F.Out,"<td class=\"LEFT_TOP");
if (!ShowOnlyThisGameComplete)
fprintf (Gbl.F.Out," COLOR%u",Gbl.RowEvenOdd);
fprintf (Gbl.F.Out,"\">");
/* Put form to view game */
Act_FormStart (ActSeeOneGam);
Rmt_PutParamGameCod (GamCod);
Rmt_PutHiddenParamGameOrder ();
Grp_PutParamWhichGrps ();
Pag_PutHiddenParamPagNum (Pag_SURVEYS,Gbl.Games.CurrentPage);
Act_LinkFormSubmit (Txt_View_game,
Game.Status.Visible ? "ASG_TITLE" :
"ASG_TITLE_LIGHT",NULL);
fprintf (Gbl.F.Out,"%s</a>",
Game.Title);
Act_FormEnd ();
/* Number of questions and number of distinct users who have already answered this game */
fprintf (Gbl.F.Out,"<div class=\"%s\">%s: %u; %s: %u</div>"
"</td>",
Game.Status.Visible ? "ASG_GRP" :
"ASG_GRP_LIGHT",
Txt_No_of_questions,
Game.NumQsts,
Txt_No_of_users,
Game.NumUsrs);
/* Status of the game */
fprintf (Gbl.F.Out,"<td rowspan=\"2\" class=\"LEFT_TOP");
if (!ShowOnlyThisGameComplete)
fprintf (Gbl.F.Out," COLOR%u",Gbl.RowEvenOdd);
fprintf (Gbl.F.Out,"\">");
Rmt_WriteStatus (&Game);
if (!ShowOnlyThisGameComplete)
{
/* Possible button to answer this game */
if (Game.Status.ICanAnswer)
{
fprintf (Gbl.F.Out,"<div class=\"BUTTONS_AFTER_ALERT\">");
Act_FormStart (ActSeeOneGam);
Rmt_PutParamGameCod (Game.GamCod);
Rmt_PutHiddenParamGameOrder ();
Grp_PutParamWhichGrps ();
Pag_PutHiddenParamPagNum (Pag_SURVEYS,Gbl.Games.CurrentPage);
Btn_PutCreateButtonInline (Txt_Play);
Act_FormEnd ();
fprintf (Gbl.F.Out,"</div>");
}
/* Possible button to see the result of the game */
else if (Game.Status.ICanViewResults)
{
fprintf (Gbl.F.Out,"<div class=\"BUTTONS_AFTER_ALERT\">");
Act_FormStart (ActSeeOneGam);
Rmt_PutParamGameCod (Game.GamCod);
Rmt_PutHiddenParamGameOrder ();
Grp_PutParamWhichGrps ();
Pag_PutHiddenParamPagNum (Pag_SURVEYS,Gbl.Games.CurrentPage);
Btn_PutConfirmButtonInline (Txt_View_game_results);
Act_FormEnd ();
fprintf (Gbl.F.Out,"</div>");
}
}
fprintf (Gbl.F.Out,"</td>"
"</tr>");
/***** Write second row of data of this game *****/
fprintf (Gbl.F.Out,"<tr>"
"<td colspan=\"2\" class=\"LEFT_TOP");
if (!ShowOnlyThisGameComplete)
fprintf (Gbl.F.Out," COLOR%u",Gbl.RowEvenOdd);
fprintf (Gbl.F.Out,"\">");
/* Author of the game */
Rmt_WriteAuthor (&Game);
fprintf (Gbl.F.Out,"</td>"
"<td class=\"LEFT_TOP");
if (!ShowOnlyThisGameComplete)
fprintf (Gbl.F.Out," COLOR%u",Gbl.RowEvenOdd);
fprintf (Gbl.F.Out,"\">");
/* Scope of the game */
fprintf (Gbl.F.Out,"<div class=\"%s\">%s: ",
Game.Status.Visible ? "ASG_GRP" :
"ASG_GRP_LIGHT",
Txt_Scope);
switch (Game.Scope)
{
case Sco_SCOPE_UNK: // Unknown
Lay_ShowErrorAndExit ("Wrong game scope.");
break;
case Sco_SCOPE_SYS: // System
fprintf (Gbl.F.Out,"%s",
Cfg_PLATFORM_SHORT_NAME);
break;
case Sco_SCOPE_CTY: // Country
fprintf (Gbl.F.Out,"%s %s",
Txt_Country,Gbl.CurrentCty.Cty.Name[Gbl.Prefs.Language]);
break;
case Sco_SCOPE_INS: // Institution
fprintf (Gbl.F.Out,"%s %s",
Txt_Institution,Gbl.CurrentIns.Ins.ShrtName);
break;
case Sco_SCOPE_CTR: // Centre
fprintf (Gbl.F.Out,"%s %s",
Txt_Centre,Gbl.CurrentCtr.Ctr.ShrtName);
break;
case Sco_SCOPE_DEG: // Degree
fprintf (Gbl.F.Out,"%s %s",
Txt_Degree,Gbl.CurrentDeg.Deg.ShrtName);
break;
case Sco_SCOPE_CRS: // Course
fprintf (Gbl.F.Out,"%s %s",
Txt_Course,Gbl.CurrentCrs.Crs.ShrtName);
break;
}
fprintf (Gbl.F.Out,"</div>");
/* Users' roles who can answer the game */
fprintf (Gbl.F.Out,"<div class=\"%s\">%s:<br />",
Game.Status.Visible ? "ASG_GRP" :
"ASG_GRP_LIGHT",
Txt_Users);
Rol_WriteSelectorRoles (1 << Rol_STD |
1 << Rol_NET |
1 << Rol_TCH,
Game.Roles,
true,false);
fprintf (Gbl.F.Out,"</div>");
/* Groups whose users can answer this game */
if (Game.Scope == Sco_SCOPE_CRS)
if (Gbl.CurrentCrs.Grps.NumGrps)
Rmt_GetAndWriteNamesOfGrpsAssociatedToGame (&Game);
/* Text of the game */
Rmt_GetGameTxtFromDB (Game.GamCod,Txt);
Str_ChangeFormat (Str_FROM_HTML,Str_TO_RIGOROUS_HTML,
Txt,Cns_MAX_BYTES_TEXT,false); // Convert from HTML to rigorous HTML
Str_InsertLinks (Txt,Cns_MAX_BYTES_TEXT,60); // Insert links
fprintf (Gbl.F.Out,"<p class=\"%s\">"
"%s"
"</p>"
"</td>"
"</tr>",
Game.Status.Visible ? "DAT" :
"DAT_LIGHT",
Txt);
/***** Write questions of this game *****/
if (ShowOnlyThisGameComplete)
{
fprintf (Gbl.F.Out,"<tr>"
"<td colspan=\"5\">");
Rmt_ListGameQuestions (&Game,GameQst);
fprintf (Gbl.F.Out,"</td>"
"</tr>");
}
Gbl.RowEvenOdd = 1 - Gbl.RowEvenOdd;
/***** Mark possible notification as seen *****/
if (Game.Scope == Sco_SCOPE_CRS) // Only course games are notified
Ntf_MarkNotifAsSeen (Ntf_EVENT_SURVEY,
GamCod,Game.Cod,
Gbl.Usrs.Me.UsrDat.UsrCod);
if (ShowOnlyThisGameComplete)
{
/***** End table *****/
Tbl_EndTable ();
/***** End box *****/
Box_EndBox ();
}
}
/*****************************************************************************/
/*********************** Write the author of a game ************************/
/*****************************************************************************/
static void Rmt_WriteAuthor (struct Game *Game)
{
Usr_WriteAuthor1Line (Game->UsrCod,!Game->Status.Visible);
}
/*****************************************************************************/
/************************ Write status of a game ***************************/
/*****************************************************************************/
static void Rmt_WriteStatus (struct Game *Game)
{
extern const char *Txt_Hidden_game;
extern const char *Txt_Visible_game;
extern const char *Txt_Closed_game;
extern const char *Txt_Open_game;
extern const char *Txt_SURVEY_Type_of_user_not_allowed;
extern const char *Txt_SURVEY_Type_of_user_allowed;
extern const char *Txt_GAME_You_belong_to_the_scope_of_the_game;
extern const char *Txt_GAME_You_dont_belong_to_the_scope_of_the_game;
extern const char *Txt_SURVEY_You_have_already_answered;
extern const char *Txt_SURVEY_You_have_not_answered;
/***** Start list with items of status *****/
fprintf (Gbl.F.Out,"<ul>");
/* Write whether game is visible or hidden */
if (Game->Status.Visible)
fprintf (Gbl.F.Out,"<li class=\"STATUS_GREEN\">%s</li>",
Txt_Visible_game);
else
fprintf (Gbl.F.Out,"<li class=\"STATUS_RED_LIGHT\">%s</li>",
Txt_Hidden_game);
/* Write whether game is open or closed */
if (Game->Status.Open)
fprintf (Gbl.F.Out,"<li class=\"%s\">%s</li>",
Game->Status.Visible ? "STATUS_GREEN" :
"STATUS_GREEN_LIGHT",
Txt_Open_game);
else
fprintf (Gbl.F.Out,"<li class=\"%s\">%s</li>",
Game->Status.Visible ? "STATUS_RED" :
"STATUS_RED_LIGHT",
Txt_Closed_game);
/* Write whether game can be answered by me or not depending on user type */
if (Game->Status.IAmLoggedWithAValidRoleToAnswer)
fprintf (Gbl.F.Out,"<li class=\"%s\">%s</li>",
Game->Status.Visible ? "STATUS_GREEN" :
"STATUS_GREEN_LIGHT",
Txt_SURVEY_Type_of_user_allowed);
else
fprintf (Gbl.F.Out,"<li class=\"%s\">%s</li>",
Game->Status.Visible ? "STATUS_RED" :
"STATUS_RED_LIGHT",
Txt_SURVEY_Type_of_user_not_allowed);
/* Write whether game can be answered by me or not depending on groups */
if (Game->Status.IBelongToScope)
fprintf (Gbl.F.Out,"<li class=\"%s\">%s</li>",
Game->Status.Visible ? "STATUS_GREEN" :
"STATUS_GREEN_LIGHT",
Txt_GAME_You_belong_to_the_scope_of_the_game);
else
fprintf (Gbl.F.Out,"<li class=\"%s\">%s</li>",
Game->Status.Visible ? "STATUS_RED" :
"STATUS_RED_LIGHT",
Txt_GAME_You_dont_belong_to_the_scope_of_the_game);
/* Write whether game has been already answered by me or not */
if (Game->Status.IHaveAnswered)
fprintf (Gbl.F.Out,"<li class=\"%s\">%s</li>",
Game->Status.Visible ? "STATUS_GREEN" :
"STATUS_GREEN_LIGHT",
Txt_SURVEY_You_have_already_answered);
else
fprintf (Gbl.F.Out,"<li class=\"%s\">%s</li>",
Game->Status.Visible ? "STATUS_RED" :
"STATUS_RED_LIGHT",
Txt_SURVEY_You_have_not_answered);
/***** End list with items of status *****/
fprintf (Gbl.F.Out,"</ul>");
}
/*****************************************************************************/
/********* Get parameter with the type or order in list of games ***********/
/*****************************************************************************/
static void Rmt_GetParamGameOrder (void)
{
Gbl.Games.SelectedOrder = (Rmt_Order_t)
Par_GetParToUnsignedLong ("Order",
0,
Rmt_NUM_ORDERS - 1,
(unsigned long) Rmt_ORDER_DEFAULT);
}
/*****************************************************************************/
/***** Put a hidden parameter with the type of order in list of games ******/
/*****************************************************************************/
void Rmt_PutHiddenParamGameOrder (void)
{
Par_PutHiddenParamUnsigned ("Order",(unsigned) Gbl.Games.SelectedOrder);
}
/*****************************************************************************/
/******************* Put a link (form) to edit one game ********************/
/*****************************************************************************/
static void Rmt_PutFormsToRemEditOneGame (long GamCod,bool Visible)
{
extern const char *Txt_Reset;
Gbl.Games.GamCodToEdit = GamCod; // Used as parameters in contextual links
/***** Put form to remove game *****/
Ico_PutContextualIconToRemove (ActReqRemGam,Rmt_PutParams);
/***** Put form to reset game *****/
Lay_PutContextualLink (ActReqRstGam,NULL,Rmt_PutParams,
"recycle64x64.png",
Txt_Reset,NULL,
NULL);
/***** Put form to hide/show game *****/
if (Visible)
Ico_PutContextualIconToHide (ActHidGam,Rmt_PutParams);
else
Ico_PutContextualIconToUnhide (ActShoGam,Rmt_PutParams);
/***** Put form to edit game *****/
Ico_PutContextualIconToEdit (ActEdiOneGam,Rmt_PutParams);
}
/*****************************************************************************/
/********************** Params used to edit a game *************************/
/*****************************************************************************/
static void Rmt_PutParams (void)
{
if (Gbl.Games.GamCodToEdit > 0)
Rmt_PutParamGameCod (Gbl.Games.GamCodToEdit);
Att_PutHiddenParamAttOrder ();
Grp_PutParamWhichGrps ();
Pag_PutHiddenParamPagNum (Pag_SURVEYS,Gbl.Games.CurrentPage);
}
/*****************************************************************************/
/*********************** Get list of all the games *************************/
/*****************************************************************************/
void Rmt_GetListGames (void)
{
extern const char *Sco_ScopeDB[Sco_NUM_SCOPES];
char SubQuery[Sco_NUM_SCOPES][256];
char OrderBySubQuery[256];
char Query[2048];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRows;
unsigned NumGame;
unsigned ScopesAllowed = 0;
unsigned HiddenAllowed = 0;
long Cods[Sco_NUM_SCOPES];
Sco_Scope_t Scope;
bool SubQueryFilled;
/***** Free list of games *****/
if (Gbl.Games.LstIsRead)
Rmt_FreeListGames ();
/***** Set allowed and hidden scopes to get list depending on my user's role *****/
Rmt_SetAllowedAndHiddenScopes (&ScopesAllowed,&HiddenAllowed);
/***** Get list of games from database *****/
Cods[Sco_SCOPE_SYS] = -1L; // System
Cods[Sco_SCOPE_CTY] = Gbl.CurrentCty.Cty.CtyCod; // Country
Cods[Sco_SCOPE_INS] = Gbl.CurrentIns.Ins.InsCod; // Institution
Cods[Sco_SCOPE_CTR] = Gbl.CurrentCtr.Ctr.CtrCod; // Centre
Cods[Sco_SCOPE_DEG] = Gbl.CurrentDeg.Deg.DegCod; // Degree
Cods[Sco_SCOPE_CRS] = Gbl.CurrentCrs.Crs.CrsCod; // Course
/* Fill subqueries for system, country, institution, centre and degree */
for (Scope = Sco_SCOPE_SYS, SubQueryFilled = false;
Scope <= Sco_SCOPE_DEG;
Scope++)
if (ScopesAllowed & 1 << Scope)
{
sprintf (SubQuery[Scope],"%s(Scope='%s' AND Cod=%ld%s)",
SubQueryFilled ? " OR " :
"",
Sco_ScopeDB[Scope],Cods[Scope],
(HiddenAllowed & 1 << Scope) ? "" :
" AND Hidden='N'");
SubQueryFilled = true;
}
else
SubQuery[Scope][0] = '\0';
/* Fill subquery for course */
if (ScopesAllowed & 1 << Sco_SCOPE_CRS)
{
if (Gbl.CurrentCrs.Grps.WhichGrps == Grp_ONLY_MY_GROUPS)
sprintf (SubQuery[Sco_SCOPE_CRS],"%s("
"Scope='%s' AND Cod=%ld%s"
" AND "
"(GamCod NOT IN"
" (SELECT GamCod FROM gam_grp)"
" OR"
" GamCod IN"
" (SELECT gam_grp.GamCod"
" FROM gam_grp,crs_grp_usr"
" WHERE crs_grp_usr.UsrCod=%ld"
" AND gam_grp.GrpCod=crs_grp_usr.GrpCod))"
")",
SubQueryFilled ? " OR " :
"",
Sco_ScopeDB[Sco_SCOPE_CRS],Cods[Sco_SCOPE_CRS],
(HiddenAllowed & 1 << Sco_SCOPE_CRS) ? "" :
" AND Hidden='N'",
Gbl.Usrs.Me.UsrDat.UsrCod);
else // Gbl.CurrentCrs.Grps.WhichGrps == Grp_ALL_GROUPS
sprintf (SubQuery[Sco_SCOPE_CRS],"%s(Scope='%s' AND Cod=%ld%s)",
SubQueryFilled ? " OR " :
"",
Sco_ScopeDB[Sco_SCOPE_CRS],Cods[Sco_SCOPE_CRS],
(HiddenAllowed & 1 << Sco_SCOPE_CRS) ? "" :
" AND Hidden='N'");
SubQueryFilled = true;
}
else
SubQuery[Sco_SCOPE_CRS][0] = '\0';
/* Build query */
if (SubQueryFilled)
{
switch (Gbl.Games.SelectedOrder)
{
case Rmt_ORDER_BY_START_DATE:
sprintf (OrderBySubQuery,"StartTime DESC,EndTime DESC,Title DESC");
break;
case Rmt_ORDER_BY_END_DATE:
sprintf (OrderBySubQuery,"EndTime DESC,StartTime DESC,Title DESC");
break;
}
sprintf (Query,"SELECT GamCod FROM games"
" WHERE %s%s%s%s%s%s"
" ORDER BY %s",
SubQuery[Sco_SCOPE_SYS],
SubQuery[Sco_SCOPE_CTY],
SubQuery[Sco_SCOPE_INS],
SubQuery[Sco_SCOPE_CTR],
SubQuery[Sco_SCOPE_DEG],
SubQuery[Sco_SCOPE_CRS],
OrderBySubQuery);
}
else
Lay_ShowErrorAndExit ("Can not get list of games.");
/* Make query */
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get games");
if (NumRows) // Games found...
{
Gbl.Games.Num = (unsigned) NumRows;
/***** Create list of games *****/
if ((Gbl.Games.LstGamCods = (long *) calloc (NumRows,sizeof (long))) == NULL)
Lay_ShowErrorAndExit ("Not enough memory to store list of games.");
/***** Get the games codes *****/
for (NumGame = 0;
NumGame < Gbl.Games.Num;
NumGame++)
{
/* Get next game code */
row = mysql_fetch_row (mysql_res);
if ((Gbl.Games.LstGamCods[NumGame] = Str_ConvertStrCodToLongCod (row[0])) < 0)
Lay_ShowErrorAndExit ("Error: wrong game code.");
}
}
else
Gbl.Games.Num = 0;
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
Gbl.Games.LstIsRead = true;
}
/*****************************************************************************/
/*** Set allowed and hidden scopes to get list depending on my user's role ***/
/*****************************************************************************/
static void Rmt_SetAllowedAndHiddenScopes (unsigned *ScopesAllowed,
unsigned *HiddenAllowed)
{
switch (Gbl.Usrs.Me.Role.Logged)
{
case Rol_UNK: // User not logged in *********************************
*ScopesAllowed = 0;
*HiddenAllowed = 0;
break;
case Rol_GST: // User not belonging to any course *******************
*ScopesAllowed = 1 << Sco_SCOPE_SYS;
*HiddenAllowed = 0;
break;
case Rol_USR: // Student or teacher in other courses...
// ...but not belonging to the current course *********
*ScopesAllowed = 1 << Sco_SCOPE_SYS;
*HiddenAllowed = 0;
if (Usr_CheckIfIBelongToCty (Gbl.CurrentCty.Cty.CtyCod))
{
*ScopesAllowed |= 1 << Sco_SCOPE_CTY;
if (Usr_CheckIfIBelongToIns (Gbl.CurrentIns.Ins.InsCod))
{
*ScopesAllowed |= 1 << Sco_SCOPE_INS;
if (Usr_CheckIfIBelongToCtr (Gbl.CurrentCtr.Ctr.CtrCod))
{
*ScopesAllowed |= 1 << Sco_SCOPE_CTR;
if (Usr_CheckIfIBelongToDeg (Gbl.CurrentDeg.Deg.DegCod))
*ScopesAllowed |= 1 << Sco_SCOPE_DEG;
}
}
}
break;
case Rol_STD: // Student in current course **************************
*ScopesAllowed = 1 << Sco_SCOPE_SYS;
*HiddenAllowed = 0;
if (Usr_CheckIfIBelongToCty (Gbl.CurrentCty.Cty.CtyCod))
{
*ScopesAllowed |= 1 << Sco_SCOPE_CTY;
if (Usr_CheckIfIBelongToIns (Gbl.CurrentIns.Ins.InsCod))
{
*ScopesAllowed |= 1 << Sco_SCOPE_INS;
if (Usr_CheckIfIBelongToCtr (Gbl.CurrentCtr.Ctr.CtrCod))
{
*ScopesAllowed |= 1 << Sco_SCOPE_CTR;
if (Usr_CheckIfIBelongToDeg (Gbl.CurrentDeg.Deg.DegCod))
{
*ScopesAllowed |= 1 << Sco_SCOPE_DEG;
if (Gbl.Usrs.Me.IBelongToCurrentCrs)
*ScopesAllowed |= 1 << Sco_SCOPE_CRS;
}
}
}
}
break;
case Rol_NET: // Non-editing teacher in current course **************
case Rol_TCH: // Teacher in current course **************************
*ScopesAllowed = 1 << Sco_SCOPE_SYS;
*HiddenAllowed = 0;
if (Usr_CheckIfIBelongToCty (Gbl.CurrentCty.Cty.CtyCod))
{
*ScopesAllowed |= 1 << Sco_SCOPE_CTY;
if (Usr_CheckIfIBelongToIns (Gbl.CurrentIns.Ins.InsCod))
{
*ScopesAllowed |= 1 << Sco_SCOPE_INS;
if (Usr_CheckIfIBelongToCtr (Gbl.CurrentCtr.Ctr.CtrCod))
{
*ScopesAllowed |= 1 << Sco_SCOPE_CTR;
if (Usr_CheckIfIBelongToDeg (Gbl.CurrentDeg.Deg.DegCod))
{
*ScopesAllowed |= 1 << Sco_SCOPE_DEG;
if (Gbl.Usrs.Me.IBelongToCurrentCrs)
{
*ScopesAllowed |= 1 << Sco_SCOPE_CRS;
*HiddenAllowed |= 1 << Sco_SCOPE_CRS; // A non-editing teacher or teacher can view hidden course games
}
}
}
}
}
break;
case Rol_DEG_ADM: // Degree administrator *******************************
*ScopesAllowed = 1 << Sco_SCOPE_SYS;
*HiddenAllowed = 0;
if (Gbl.CurrentCty.Cty.CtyCod > 0) // Country selected
{
*ScopesAllowed |= 1 << Sco_SCOPE_CTY;
if (Gbl.CurrentIns.Ins.InsCod > 0) // Institution selected
{
*ScopesAllowed |= 1 << Sco_SCOPE_INS;
if (Gbl.CurrentCtr.Ctr.CtrCod > 0) // Centre selected
{
*ScopesAllowed |= 1 << Sco_SCOPE_CTR;
if (Gbl.CurrentDeg.Deg.DegCod > 0) // Degree selected
{
*ScopesAllowed |= 1 << Sco_SCOPE_DEG;
*HiddenAllowed |= 1 << Sco_SCOPE_DEG; // A degree admin can view hidden degree games
}
}
}
}
break;
case Rol_CTR_ADM: // Centre administrator *******************************
*ScopesAllowed = 1 << Sco_SCOPE_SYS;
*HiddenAllowed = 0;
if (Gbl.CurrentCty.Cty.CtyCod > 0) // Country selected
{
*ScopesAllowed |= 1 << Sco_SCOPE_CTY;
if (Gbl.CurrentIns.Ins.InsCod > 0) // Institution selected
{
*ScopesAllowed |= 1 << Sco_SCOPE_INS;
if (Gbl.CurrentCtr.Ctr.CtrCod > 0) // Centre selected
{
*ScopesAllowed |= 1 << Sco_SCOPE_CTR;
*HiddenAllowed |= 1 << Sco_SCOPE_CTR; // A centre admin can view hidden centre games
}
}
}
break;
case Rol_INS_ADM: // Institution administrator **************************
*ScopesAllowed = 1 << Sco_SCOPE_SYS;
*HiddenAllowed = 0;
if (Gbl.CurrentCty.Cty.CtyCod > 0) // Country selected
{
*ScopesAllowed |= 1 << Sco_SCOPE_CTY;
if (Gbl.CurrentIns.Ins.InsCod > 0) // Institution selected
{
*ScopesAllowed |= 1 << Sco_SCOPE_INS;
*HiddenAllowed |= 1 << Sco_SCOPE_INS; // An institution admin can view hidden institution games
}
}
break;
case Rol_SYS_ADM: // System administrator (superuser) *******************
*ScopesAllowed = 1 << Sco_SCOPE_SYS;
*HiddenAllowed = 1 << Sco_SCOPE_SYS; // A system admin can view hidden system games
if (Gbl.CurrentCty.Cty.CtyCod > 0) // Country selected
{
*ScopesAllowed |= 1 << Sco_SCOPE_CTY;
*HiddenAllowed |= 1 << Sco_SCOPE_CTY; // A system admin can view hidden country games
if (Gbl.CurrentIns.Ins.InsCod > 0) // Institution selected
{
*ScopesAllowed |= 1 << Sco_SCOPE_INS;
*HiddenAllowed |= 1 << Sco_SCOPE_INS; // A system admin can view hidden institution games
if (Gbl.CurrentCtr.Ctr.CtrCod > 0) // Centre selected
{
*ScopesAllowed |= 1 << Sco_SCOPE_CTR;
*HiddenAllowed |= 1 << Sco_SCOPE_CTR; // A system admin can view hidden centre games
if (Gbl.CurrentDeg.Deg.DegCod > 0) // Degree selected
{
*ScopesAllowed |= 1 << Sco_SCOPE_DEG;
*HiddenAllowed |= 1 << Sco_SCOPE_DEG; // A system admin can view hidden degree games
if (Gbl.CurrentCrs.Crs.CrsCod > 0) // Course selected
{
*ScopesAllowed |= 1 << Sco_SCOPE_CRS;
*HiddenAllowed |= 1 << Sco_SCOPE_CRS; // A system admin can view hidden course games
}
}
}
}
}
break;
}
}
/*****************************************************************************/
/********************* Get game data using its code ************************/
/*****************************************************************************/
void Rmt_GetDataOfGameByCod (struct Game *Game)
{
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRows;
/***** Build query *****/
sprintf (Query,"SELECT GamCod,Scope,Cod,Hidden,Roles,UsrCod,"
"UNIX_TIMESTAMP(StartTime),"
"UNIX_TIMESTAMP(EndTime),"
"NOW() BETWEEN StartTime AND EndTime,"
"Title"
" FROM games"
" WHERE GamCod=%ld",
Game->GamCod);
/***** Get data of game from database *****/
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get game data");
if (NumRows) // Game found...
{
/* Get row */
row = mysql_fetch_row (mysql_res);
/* Get code of the game (row[0]) */
Game->GamCod = Str_ConvertStrCodToLongCod (row[0]);
/* Get game scope (row[1]) */
if ((Game->Scope = Sco_GetScopeFromDBStr (row[1])) == Sco_SCOPE_UNK)
Lay_ShowErrorAndExit ("Wrong game scope.");
/* Get code of the country, institution, centre, degree or course (row[2]) */
Game->Cod = Str_ConvertStrCodToLongCod (row[2]);
/* Get whether the game is hidden (row[3]) */
Game->Status.Visible = (row[3][0] == 'N');
/* Get roles (row[4]) */
if (sscanf (row[4],"%u",&Game->Roles) != 1)
Lay_ShowErrorAndExit ("Error when reading roles of game.");
/* Get author of the game (row[5]) */
Game->UsrCod = Str_ConvertStrCodToLongCod (row[5]);
/* Get start date (row[6] holds the start UTC time) */
Game->TimeUTC[Att_START_TIME] = Dat_GetUNIXTimeFromStr (row[6]);
/* Get end date (row[7] holds the end UTC time) */
Game->TimeUTC[Att_END_TIME ] = Dat_GetUNIXTimeFromStr (row[7]);
/* Get whether the game is open or closed (row(8)) */
Game->Status.Open = (row[8][0] == '1');
/* Get the title of the game (row[9]) */
Str_Copy (Game->Title,row[9],
Rmt_MAX_BYTES_SURVEY_TITLE);
/* Get number of questions and number of users who have already answer this game */
Game->NumQsts = Rmt_GetNumQstsGame (Game->GamCod);
Game->NumUsrs = Rmt_GetNumUsrsWhoHaveAnsweredGame (Game->GamCod);
/* Am I logged with a valid role to answer this game? */
Game->Status.IAmLoggedWithAValidRoleToAnswer = (Game->Roles & (1 << Gbl.Usrs.Me.Role.Logged));
/* Do I belong to valid groups to answer this game? */
switch (Game->Scope)
{
case Sco_SCOPE_UNK: // Unknown
Lay_ShowErrorAndExit ("Wrong game scope.");
break;
case Sco_SCOPE_SYS: // System
Game->Status.IBelongToScope = Gbl.Usrs.Me.Logged;
break;
case Sco_SCOPE_CTY: // Country
Game->Status.IBelongToScope = Usr_CheckIfIBelongToCty (Game->Cod);
break;
case Sco_SCOPE_INS: // Institution
Game->Status.IBelongToScope = Usr_CheckIfIBelongToIns (Game->Cod);
break;
case Sco_SCOPE_CTR: // Centre
Game->Status.IBelongToScope = Usr_CheckIfIBelongToCtr (Game->Cod);
break;
case Sco_SCOPE_DEG: // Degree
Game->Status.IBelongToScope = Usr_CheckIfIBelongToDeg (Game->Cod);
break;
case Sco_SCOPE_CRS: // Course
Game->Status.IBelongToScope = Usr_CheckIfIBelongToCrs (Game->Cod) &&
Rmt_CheckIfICanDoThisGameBasedOnGrps (Game->GamCod);
break;
}
/* Have I answered this game? */
Game->Status.IHaveAnswered = Rmt_CheckIfIHaveAnsweredGame (Game->GamCod);
/* Can I answer game? */
Game->Status.ICanAnswer = (Game->NumQsts != 0) &&
Game->Status.Visible &&
Game->Status.Open &&
Game->Status.IAmLoggedWithAValidRoleToAnswer &&
Game->Status.IBelongToScope &&
!Game->Status.IHaveAnswered;
/* Can I view results of the game?
Can I edit game? */
switch (Gbl.Usrs.Me.Role.Logged)
{
case Rol_STD:
Game->Status.ICanViewResults = (Game->Scope == Sco_SCOPE_CRS ||
Game->Scope == Sco_SCOPE_DEG ||
Game->Scope == Sco_SCOPE_CTR ||
Game->Scope == Sco_SCOPE_INS ||
Game->Scope == Sco_SCOPE_CTY ||
Game->Scope == Sco_SCOPE_SYS) &&
(Game->NumQsts != 0) &&
Game->Status.Visible &&
Game->Status.Open &&
Game->Status.IAmLoggedWithAValidRoleToAnswer &&
Game->Status.IBelongToScope &&
Game->Status.IHaveAnswered;
Game->Status.ICanEdit = false;
break;
case Rol_NET:
Game->Status.ICanViewResults = (Game->Scope == Sco_SCOPE_CRS ||
Game->Scope == Sco_SCOPE_DEG ||
Game->Scope == Sco_SCOPE_CTR ||
Game->Scope == Sco_SCOPE_INS ||
Game->Scope == Sco_SCOPE_CTY ||
Game->Scope == Sco_SCOPE_SYS) &&
Game->NumQsts != 0 &&
!Game->Status.ICanAnswer;
Game->Status.ICanEdit = false;
break;
case Rol_TCH:
Game->Status.ICanViewResults = (Game->Scope == Sco_SCOPE_CRS ||
Game->Scope == Sco_SCOPE_DEG ||
Game->Scope == Sco_SCOPE_CTR ||
Game->Scope == Sco_SCOPE_INS ||
Game->Scope == Sco_SCOPE_CTY ||
Game->Scope == Sco_SCOPE_SYS) &&
Game->NumQsts != 0 &&
!Game->Status.ICanAnswer;
Game->Status.ICanEdit = Game->Scope == Sco_SCOPE_CRS &&
Game->Status.IBelongToScope;
break;
case Rol_DEG_ADM:
Game->Status.ICanViewResults = (Game->Scope == Sco_SCOPE_DEG ||
Game->Scope == Sco_SCOPE_CTR ||
Game->Scope == Sco_SCOPE_INS ||
Game->Scope == Sco_SCOPE_CTY ||
Game->Scope == Sco_SCOPE_SYS) &&
(Game->NumQsts != 0) &&
!Game->Status.ICanAnswer;
Game->Status.ICanEdit = Game->Scope == Sco_SCOPE_DEG &&
Game->Status.IBelongToScope;
break;
case Rol_CTR_ADM:
Game->Status.ICanViewResults = (Game->Scope == Sco_SCOPE_CTR ||
Game->Scope == Sco_SCOPE_INS ||
Game->Scope == Sco_SCOPE_CTY ||
Game->Scope == Sco_SCOPE_SYS) &&
(Game->NumQsts != 0) &&
!Game->Status.ICanAnswer;
Game->Status.ICanEdit = Game->Scope == Sco_SCOPE_CTR &&
Game->Status.IBelongToScope;
break;
case Rol_INS_ADM:
Game->Status.ICanViewResults = (Game->Scope == Sco_SCOPE_INS ||
Game->Scope == Sco_SCOPE_CTY ||
Game->Scope == Sco_SCOPE_SYS) &&
(Game->NumQsts != 0) &&
!Game->Status.ICanAnswer;
Game->Status.ICanEdit = Game->Scope == Sco_SCOPE_INS &&
Game->Status.IBelongToScope;
break;
case Rol_SYS_ADM:
Game->Status.ICanViewResults = (Game->NumQsts != 0);
Game->Status.ICanEdit = true;
break;
default:
Game->Status.ICanViewResults = false;
Game->Status.ICanEdit = false;
break;
}
}
else
{
/* Initialize to empty game */
Game->GamCod = -1L;
Game->Scope = Sco_SCOPE_UNK;
Game->Roles = 0;
Game->UsrCod = -1L;
Game->TimeUTC[Rmt_START_TIME] =
Game->TimeUTC[Rmt_END_TIME ] = (time_t) 0;
Game->Title[0] = '\0';
Game->NumQsts = 0;
Game->NumUsrs = 0;
Game->Status.Visible = true;
Game->Status.Open = false;
Game->Status.IAmLoggedWithAValidRoleToAnswer = false;
Game->Status.IBelongToScope = false;
Game->Status.IHaveAnswered = false;
Game->Status.ICanAnswer = false;
Game->Status.ICanViewResults = false;
Game->Status.ICanEdit = false;
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/**************************** Free list of games ***************************/
/*****************************************************************************/
void Rmt_FreeListGames (void)
{
if (Gbl.Games.LstIsRead && Gbl.Games.LstGamCods)
{
/***** Free memory used by the list of games *****/
free ((void *) Gbl.Games.LstGamCods);
Gbl.Games.LstGamCods = NULL;
Gbl.Games.Num = 0;
Gbl.Games.LstIsRead = false;
}
}
/*****************************************************************************/
/********************** Get game text from database ************************/
/*****************************************************************************/
static void Rmt_GetGameTxtFromDB (long GamCod,char Txt[Cns_MAX_BYTES_TEXT + 1])
{
char Query[128];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRows;
/***** Get text of game from database *****/
sprintf (Query,"SELECT Txt FROM games WHERE GamCod=%ld",GamCod);
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get game text");
/***** The result of the query must have one row or none *****/
if (NumRows == 1)
{
/* Get info text */
row = mysql_fetch_row (mysql_res);
Str_Copy (Txt,row[0],
Cns_MAX_BYTES_TEXT);
}
else
Txt[0] = '\0';
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
if (NumRows > 1)
Lay_ShowErrorAndExit ("Error when getting game text.");
}
/*****************************************************************************/
/******************** Get summary and content of a game *******************/
/*****************************************************************************/
// This function may be called inside a web service, so don't report error
void Rmt_GetNotifGame (char SummaryStr[Ntf_MAX_BYTES_SUMMARY + 1],
char **ContentStr,
long GamCod,bool GetContent)
{
char Query[128];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
size_t Length;
SummaryStr[0] = '\0'; // Return nothing on error
/***** Build query *****/
sprintf (Query,"SELECT Title,Txt FROM games WHERE GamCod=%ld",
GamCod);
if (!mysql_query (&Gbl.mysql,Query))
if ((mysql_res = mysql_store_result (&Gbl.mysql)) != NULL)
{
/***** Result should have a unique row *****/
if (mysql_num_rows (mysql_res) == 1)
{
/***** Get row *****/
row = mysql_fetch_row (mysql_res);
/***** Get summary *****/
Str_Copy (SummaryStr,row[0],
Ntf_MAX_BYTES_SUMMARY);
/***** Get content *****/
if (GetContent)
{
Length = strlen (row[1]);
if ((*ContentStr = (char *) malloc (Length + 1)) == NULL)
Lay_ShowErrorAndExit ("Error allocating memory for notification content.");
Str_Copy (*ContentStr,row[1],
Length);
}
}
mysql_free_result (mysql_res);
}
}
/*****************************************************************************/
/******************* Write parameter with code of game *********************/
/*****************************************************************************/
static void Rmt_PutParamGameCod (long GamCod)
{
Par_PutHiddenParamLong ("GamCod",GamCod);
}
/*****************************************************************************/
/******************** Get parameter with code of game **********************/
/*****************************************************************************/
static long Rmt_GetParamGameCod (void)
{
/***** Get code of game *****/
return Par_GetParToLong ("GamCod");
}
/*****************************************************************************/
/*************** Ask for confirmation of removing of a game ****************/
/*****************************************************************************/
void Rmt_AskRemGame (void)
{
extern const char *Txt_Do_you_really_want_to_remove_the_game_X;
extern const char *Txt_Remove_game;
struct Game Game;
struct GameQuestion GameQst;
/***** Get parameters *****/
Rmt_GetParamGameOrder ();
Grp_GetParamWhichGrps ();
Gbl.Games.CurrentPage = Pag_GetParamPagNum (Pag_SURVEYS);
/***** Get game code *****/
if ((Game.GamCod = Rmt_GetParamGameCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of game is missing.");
/***** Get data of the game from database *****/
Rmt_GetDataOfGameByCod (&Game);
if (!Game.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not remove this game.");
/***** Show question and button to remove game *****/
Gbl.Games.GamCodToEdit = Game.GamCod;
sprintf (Gbl.Alert.Txt,Txt_Do_you_really_want_to_remove_the_game_X,
Game.Title);
Ale_ShowAlertAndButton (Ale_QUESTION,Gbl.Alert.Txt,
ActRemGam,NULL,NULL,Rmt_PutParams,
Btn_REMOVE_BUTTON,Txt_Remove_game);
/***** Show games again *****/
Rmt_ListAllGames (&GameQst);
}
/*****************************************************************************/
/****************************** Remove a game ******************************/
/*****************************************************************************/
void Rmt_RemoveGame (void)
{
extern const char *Txt_Game_X_removed;
char Query[512];
struct Game Game;
struct GameQuestion GameQst;
/***** Get game code *****/
if ((Game.GamCod = Rmt_GetParamGameCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of game is missing.");
/***** Get data of the game from database *****/
Rmt_GetDataOfGameByCod (&Game);
if (!Game.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not remove this game.");
/***** Remove all the users in this game *****/
sprintf (Query,"DELETE FROM game_users WHERE GamCod=%ld",
Game.GamCod);
DB_QueryDELETE (Query,"can not remove users who are answered a game");
/***** Remove all the answers in this game *****/
sprintf (Query,"DELETE FROM gam_answers USING game_questions,gam_answers"
" WHERE game_questions.GamCod=%ld"
" AND game_questions.QstCod=gam_answers.QstCod",
Game.GamCod);
DB_QueryDELETE (Query,"can not remove answers of a game");
/***** Remove all the questions in this game *****/
sprintf (Query,"DELETE FROM game_questions"
" WHERE GamCod=%ld",
Game.GamCod);
DB_QueryDELETE (Query,"can not remove questions of a game");
/***** Remove all the groups of this game *****/
Rmt_RemoveAllTheGrpsAssociatedToAndGame (Game.GamCod);
/***** Remove game *****/
sprintf (Query,"DELETE FROM games WHERE GamCod=%ld",
Game.GamCod);
DB_QueryDELETE (Query,"can not remove game");
/***** Mark possible notifications as removed *****/
Ntf_MarkNotifAsRemoved (Ntf_EVENT_SURVEY,Game.GamCod);
/***** Write message to show the change made *****/
sprintf (Gbl.Alert.Txt,Txt_Game_X_removed,
Game.Title);
Ale_ShowAlert (Ale_SUCCESS,Gbl.Alert.Txt);
/***** Show games again *****/
Rmt_ListAllGames (&GameQst);
}
/*****************************************************************************/
/***************** Ask for confirmation of reset of a game *****************/
/*****************************************************************************/
void Rmt_AskResetGame (void)
{
extern const char *Txt_Do_you_really_want_to_reset_the_game_X;
struct Game Game;
struct GameQuestion GameQst;
/***** Get parameters *****/
Rmt_GetParamGameOrder ();
Grp_GetParamWhichGrps ();
Gbl.Games.CurrentPage = Pag_GetParamPagNum (Pag_SURVEYS);
/***** Get game code *****/
if ((Game.GamCod = Rmt_GetParamGameCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of game is missing.");
/***** Get data of the game from database *****/
Rmt_GetDataOfGameByCod (&Game);
if (!Game.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not reset this game.");
/***** Ask for confirmation of reset *****/
sprintf (Gbl.Alert.Txt,Txt_Do_you_really_want_to_reset_the_game_X,
Game.Title);
Ale_ShowAlert (Ale_WARNING,Gbl.Alert.Txt);
/***** Button of confirmation of reset *****/
Gbl.Games.GamCodToEdit = Game.GamCod;
Rmt_PutButtonToResetGame ();
/***** Show games again *****/
Rmt_ListAllGames (&GameQst);
}
/*****************************************************************************/
/************************* Put button to reset game ************************/
/*****************************************************************************/
static void Rmt_PutButtonToResetGame (void)
{
extern const char *Txt_Reset_game;
Act_FormStart (ActRstGam);
Rmt_PutParams ();
Btn_PutRemoveButton (Txt_Reset_game);
Act_FormEnd ();
}
/*****************************************************************************/
/******************************* Reset a game ******************************/
/*****************************************************************************/
void Rmt_ResetGame (void)
{
extern const char *Txt_Game_X_reset;
char Query[512];
struct Game Game;
struct GameQuestion GameQst;
/***** Get game code *****/
if ((Game.GamCod = Rmt_GetParamGameCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of game is missing.");
/***** Get data of the game from database *****/
Rmt_GetDataOfGameByCod (&Game);
if (!Game.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not reset this game.");
/***** Remove all the users in this game *****/
sprintf (Query,"DELETE FROM game_users WHERE GamCod=%ld",
Game.GamCod);
DB_QueryDELETE (Query,"can not remove users who are answered a game");
/***** Reset all the answers in this game *****/
sprintf (Query,"UPDATE gam_answers,game_questions SET gam_answers.NumUsrs=0"
" WHERE game_questions.GamCod=%ld"
" AND game_questions.QstCod=gam_answers.QstCod",
Game.GamCod);
DB_QueryUPDATE (Query,"can not reset answers of a game");
/***** Write message to show the change made *****/
sprintf (Gbl.Alert.Txt,Txt_Game_X_reset,
Game.Title);
Ale_ShowAlert (Ale_SUCCESS,Gbl.Alert.Txt);
/***** Show games again *****/
Rmt_ListAllGames (&GameQst);
}
/*****************************************************************************/
/******************************** Hide a game ******************************/
/*****************************************************************************/
void Rmt_HideGame (void)
{
extern const char *Txt_Game_X_is_now_hidden;
char Query[128];
struct Game Game;
struct GameQuestion GameQst;
/***** Get game code *****/
if ((Game.GamCod = Rmt_GetParamGameCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of game is missing.");
/***** Get data of the game from database *****/
Rmt_GetDataOfGameByCod (&Game);
if (!Game.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not hide this game.");
/***** Hide game *****/
sprintf (Query,"UPDATE games SET Hidden='Y' WHERE GamCod=%ld",
Game.GamCod);
DB_QueryUPDATE (Query,"can not hide game");
/***** Write message to show the change made *****/
sprintf (Gbl.Alert.Txt,Txt_Game_X_is_now_hidden,
Game.Title);
Ale_ShowAlert (Ale_SUCCESS,Gbl.Alert.Txt);
/***** Show games again *****/
Rmt_ListAllGames (&GameQst);
}
/*****************************************************************************/
/******************************** Show a game ******************************/
/*****************************************************************************/
void Rmt_UnhideGame (void)
{
extern const char *Txt_Game_X_is_now_visible;
char Query[128];
struct Game Game;
struct GameQuestion GameQst;
/***** Get game code *****/
if ((Game.GamCod = Rmt_GetParamGameCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of game is missing.");
/***** Get data of the game from database *****/
Rmt_GetDataOfGameByCod (&Game);
if (!Game.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not unhide this game.");
/***** Show game *****/
sprintf (Query,"UPDATE games SET Hidden='N' WHERE GamCod=%ld",
Game.GamCod);
DB_QueryUPDATE (Query,"can not show game");
/***** Write message to show the change made *****/
sprintf (Gbl.Alert.Txt,Txt_Game_X_is_now_visible,
Game.Title);
Ale_ShowAlert (Ale_SUCCESS,Gbl.Alert.Txt);
/***** Show games again *****/
Rmt_ListAllGames (&GameQst);
}
/*****************************************************************************/
/******************* Check if the title of a game exists *******************/
/*****************************************************************************/
static bool Rmt_CheckIfSimilarGameExists (struct Game *Game)
{
extern const char *Sco_ScopeDB[Sco_NUM_SCOPES];
char Query[512 + Rmt_MAX_BYTES_SURVEY_TITLE];
/***** Get number of games with a field value from database *****/
sprintf (Query,"SELECT COUNT(*) FROM games"
" WHERE Scope='%s' AND Cod=%ld"
" AND Title='%s' AND GamCod<>%ld",
Sco_ScopeDB[Game->Scope],Game->Cod,
Game->Title,Game->GamCod);
return (DB_QueryCOUNT (Query,"can not get similar games") != 0);
}
/*****************************************************************************/
/********************* Put a form to create a new game *********************/
/*****************************************************************************/
void Rmt_RequestCreatOrEditGame (void)
{
extern const char *Hlp_ASSESSMENT_Games_new_game;
extern const char *Hlp_ASSESSMENT_Games_edit_game;
extern const char *The_ClassForm[The_NUM_THEMES];
extern const char *Txt_New_game;
extern const char *Txt_Scope;
extern const char *Txt_Edit_game;
extern const char *Txt_Title;
extern const char *Txt_Description;
extern const char *Txt_Users;
extern const char *Txt_Create_game;
extern const char *Txt_Save;
struct Game Game;
struct GameQuestion GameQst;
bool ItsANewGame;
char Txt[Cns_MAX_BYTES_TEXT + 1];
/***** Get parameters *****/
Rmt_GetParamGameOrder ();
Grp_GetParamWhichGrps ();
Gbl.Games.CurrentPage = Pag_GetParamPagNum (Pag_SURVEYS);
/***** Get the code of the game *****/
ItsANewGame = ((Game.GamCod = Rmt_GetParamGameCod ()) == -1L);
/***** Get from the database the data of the game *****/
if (ItsANewGame)
{
/***** Put link (form) to create new game *****/
if (!Rmt_CheckIfICanCreateGame ())
Lay_ShowErrorAndExit ("You can not create a new game here.");
/* Initialize to empty game */
Game.GamCod = -1L;
Game.Scope = Sco_SCOPE_UNK;
Game.Roles = (1 << Rol_STD);
Game.UsrCod = Gbl.Usrs.Me.UsrDat.UsrCod;
Game.TimeUTC[Rmt_START_TIME] = Gbl.StartExecutionTimeUTC;
Game.TimeUTC[Rmt_END_TIME ] = Gbl.StartExecutionTimeUTC + (24 * 60 * 60); // +24 hours
Game.Title[0] = '\0';
Game.NumQsts = 0;
Game.NumUsrs = 0;
Game.Status.Visible = true;
Game.Status.Open = true;
Game.Status.IAmLoggedWithAValidRoleToAnswer = false;
Game.Status.IBelongToScope = false;
Game.Status.IHaveAnswered = false;
Game.Status.ICanAnswer = false;
Game.Status.ICanViewResults = false;
}
else
{
/* Get data of the game from database */
Rmt_GetDataOfGameByCod (&Game);
if (!Game.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not update this game.");
/* Get text of the game from database */
Rmt_GetGameTxtFromDB (Game.GamCod,Txt);
}
/***** Start form *****/
Gbl.Games.GamCodToEdit = Game.GamCod;
Act_FormStart (ItsANewGame ? ActNewGam :
ActChgGam);
Rmt_PutParams ();
/***** Start box and table *****/
if (ItsANewGame)
Box_StartBoxTable (NULL,Txt_New_game,NULL,
Hlp_ASSESSMENT_Games_new_game,Box_NOT_CLOSABLE,2);
else
Box_StartBoxTable (NULL,Txt_Edit_game,NULL,
Hlp_ASSESSMENT_Games_edit_game,Box_NOT_CLOSABLE,2);
/***** Scope of the game *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"RIGHT_MIDDLE\">"
"<label for=\"ScopeGame\" class=\"%s\">%s:</label>"
"</td>"
"<td class=\"LEFT_MIDDLE\">",
The_ClassForm[Gbl.Prefs.Theme],
Txt_Scope);
Rmt_SetDefaultAndAllowedScope (&Game);
Sco_GetScope ("ScopeGame");
Sco_PutSelectorScope ("ScopeGame",false);
fprintf (Gbl.F.Out,"</td>"
"</tr>");
/***** Game title *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"RIGHT_MIDDLE\">"
"<label for=\"Title\" class=\"%s\">%s:</label>"
"</td>"
"<td class=\"LEFT_MIDDLE\">"
"<input type=\"text\" id=\"Title\" name=\"Title\""
" size=\"45\" maxlength=\"%u\" value=\"%s\""
" required=\"required\" />"
"</td>"
"</tr>",
The_ClassForm[Gbl.Prefs.Theme],
Txt_Title,
Rmt_MAX_CHARS_SURVEY_TITLE,Game.Title);
/***** Game start and end dates *****/
Dat_PutFormStartEndClientLocalDateTimes (Game.TimeUTC,Dat_FORM_SECONDS_ON);
/***** Game text *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"RIGHT_TOP\">"
"<label for=\"Txt\" class=\"%s\">%s:</label>"
"</td>"
"<td class=\"LEFT_TOP\">"
"<textarea id=\"Txt\" name=\"Txt\""
" cols=\"60\" rows=\"10\">",
The_ClassForm[Gbl.Prefs.Theme],
Txt_Description);
if (!ItsANewGame)
fprintf (Gbl.F.Out,"%s",Txt);
fprintf (Gbl.F.Out,"</textarea>"
"</td>"
"</tr>");
/***** Users' roles who can answer the game *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"RIGHT_TOP %s\">%s:"
"</td>"
"<td class=\"DAT LEFT_MIDDLE\">",
The_ClassForm[Gbl.Prefs.Theme],
Txt_Users);
Rol_WriteSelectorRoles (1 << Rol_STD |
1 << Rol_NET |
1 << Rol_TCH,
Game.Roles,
false,false);
fprintf (Gbl.F.Out,"</td>"
"</tr>");
/***** Groups *****/
Rmt_ShowLstGrpsToEditGame (Game.GamCod);
/***** End table, send button and end box *****/
if (ItsANewGame)
Box_EndBoxTableWithButton (Btn_CREATE_BUTTON,Txt_Create_game);
else
Box_EndBoxTableWithButton (Btn_CONFIRM_BUTTON,Txt_Save);
/***** End form *****/
Act_FormEnd ();
/***** Show questions of the game ready to be edited *****/
if (!ItsANewGame)
Rmt_ListGameQuestions (&Game,&GameQst);
}
/*****************************************************************************/
/****** Set default and allowed scopes depending on logged user's role *******/
/*****************************************************************************/
static void Rmt_SetDefaultAndAllowedScope (struct Game *Game)
{
bool ICanEdit = false;
/***** Set default scope *****/
Gbl.Scope.Default = Sco_SCOPE_UNK;
Gbl.Scope.Allowed = 0;
switch (Gbl.Usrs.Me.Role.Logged)
{
case Rol_TCH: // Teachers only can edit course games
if (Gbl.CurrentCrs.Crs.CrsCod > 0)
{
if (Game->Scope == Sco_SCOPE_UNK) // Scope not defined
Game->Scope = Sco_SCOPE_CRS;
if (Game->Scope == Sco_SCOPE_CRS)
{
Gbl.Scope.Default = Game->Scope;
Gbl.Scope.Allowed = 1 << Sco_SCOPE_CRS;
ICanEdit = true;
}
}
break;
case Rol_DEG_ADM: // Degree admins only can edit degree games
if (Game->Scope == Sco_SCOPE_UNK) // Scope not defined
Game->Scope = Sco_SCOPE_DEG;
if (Game->Scope == Sco_SCOPE_DEG)
{
Gbl.Scope.Default = Game->Scope;
Gbl.Scope.Allowed = 1 << Sco_SCOPE_DEG;
ICanEdit = true;
}
break;
case Rol_CTR_ADM: // Centre admins only can edit centre games
if (Game->Scope == Sco_SCOPE_UNK) // Scope not defined
Game->Scope = Sco_SCOPE_CTR;
if (Game->Scope == Sco_SCOPE_CTR)
{
Gbl.Scope.Default = Game->Scope;
Gbl.Scope.Allowed = 1 << Sco_SCOPE_CTR;
ICanEdit = true;
}
break;
case Rol_INS_ADM: // Institution admins only can edit institution games
if (Game->Scope == Sco_SCOPE_UNK) // Scope not defined
Game->Scope = Sco_SCOPE_INS;
if (Game->Scope == Sco_SCOPE_INS)
{
Gbl.Scope.Default = Game->Scope;
Gbl.Scope.Allowed = 1 << Sco_SCOPE_INS;
ICanEdit = true;
}
break;
case Rol_SYS_ADM:// System admins can edit any game
if (Game->Scope == Sco_SCOPE_UNK) // Scope not defined
{
if (Gbl.CurrentCrs.Crs.CrsCod > 0)
Game->Scope = Sco_SCOPE_CRS;
else if (Gbl.CurrentDeg.Deg.DegCod > 0)
Game->Scope = Sco_SCOPE_DEG;
else if (Gbl.CurrentCtr.Ctr.CtrCod > 0)
Game->Scope = Sco_SCOPE_CTR;
else if (Gbl.CurrentIns.Ins.InsCod > 0)
Game->Scope = Sco_SCOPE_INS;
else if (Gbl.CurrentCty.Cty.CtyCod > 0)
Game->Scope = Sco_SCOPE_CTY;
else
Game->Scope = Sco_SCOPE_SYS;
}
Gbl.Scope.Default = Game->Scope;
Gbl.Scope.Allowed = 1 << Sco_SCOPE_SYS |
1 << Sco_SCOPE_CTY |
1 << Sco_SCOPE_INS |
1 << Sco_SCOPE_CTR |
1 << Sco_SCOPE_DEG |
1 << Sco_SCOPE_CRS;
ICanEdit = true;
break;
default:
break;
}
if (!ICanEdit)
Lay_ShowErrorAndExit ("You don't have permission to edit games here.");
}
/*****************************************************************************/
/******************** Show list of groups to edit a game *******************/
/*****************************************************************************/
static void Rmt_ShowLstGrpsToEditGame (long GamCod)
{
extern const char *The_ClassForm[The_NUM_THEMES];
extern const char *Txt_Groups;
extern const char *Txt_The_whole_course;
unsigned NumGrpTyp;
/***** Get list of groups types and groups in this course *****/
Grp_GetListGrpTypesAndGrpsInThisCrs (Grp_ONLY_GROUP_TYPES_WITH_GROUPS);
if (Gbl.CurrentCrs.Grps.GrpTypes.Num)
{
/***** Start box and table *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"%s RIGHT_TOP\">"
"%s:"
"</td>"
"<td class=\"LEFT_TOP\">",
The_ClassForm[Gbl.Prefs.Theme],
Txt_Groups);
Box_StartBoxTable ("95%",NULL,NULL,
NULL,Box_NOT_CLOSABLE,0);
/***** First row: checkbox to select the whole course *****/
fprintf (Gbl.F.Out,"<tr>"
"<td colspan=\"7\" class=\"DAT LEFT_MIDDLE\">"
"<label>"
"<input type=\"checkbox\""
" id=\"WholeCrs\" name=\"WholeCrs\" value=\"Y\"");
if (!Rmt_CheckIfGamIsAssociatedToGrps (GamCod))
fprintf (Gbl.F.Out," checked=\"checked\"");
fprintf (Gbl.F.Out," onclick=\"uncheckChildren(this,'GrpCods')\" />"
"%s %s"
"</label>"
"</td>"
"</tr>",
Txt_The_whole_course,Gbl.CurrentCrs.Crs.ShrtName);
/***** List the groups for each group type *****/
for (NumGrpTyp = 0;
NumGrpTyp < Gbl.CurrentCrs.Grps.GrpTypes.Num;
NumGrpTyp++)
if (Gbl.CurrentCrs.Grps.GrpTypes.LstGrpTypes[NumGrpTyp].NumGrps)
Grp_ListGrpsToEditAsgAttSvyGam (&Gbl.CurrentCrs.Grps.GrpTypes.LstGrpTypes[NumGrpTyp],
GamCod,Grp_SURVEY);
/***** End table and box *****/
Box_EndBoxTable ();
fprintf (Gbl.F.Out,"</td>"
"</tr>");
}
/***** Free list of groups types and groups in this course *****/
Grp_FreeListGrpTypesAndGrps ();
}
/*****************************************************************************/
/********************* Receive form to create a new game *******************/
/*****************************************************************************/
void Rmt_RecFormGame (void)
{
extern const char *Txt_Already_existed_a_game_with_the_title_X;
extern const char *Txt_You_must_specify_the_title_of_the_game;
struct Game OldGame;
struct Game NewGame;
struct GameQuestion GameQst;
bool ItsANewGame;
bool NewGameIsCorrect = true;
unsigned NumUsrsToBeNotifiedByEMail;
char Txt[Cns_MAX_BYTES_TEXT + 1];
/***** Get the code of the game *****/
ItsANewGame = ((NewGame.GamCod = Rmt_GetParamGameCod ()) == -1L);
if (ItsANewGame)
NewGame.Scope = Sco_SCOPE_UNK;
else
{
/* Get data of the old (current) game from database */
OldGame.GamCod = NewGame.GamCod;
Rmt_GetDataOfGameByCod (&OldGame);
if (!OldGame.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not update this game.");
NewGame.Scope = OldGame.Scope;
}
/***** Get scope *****/
Rmt_SetDefaultAndAllowedScope (&NewGame);
Sco_GetScope ("ScopeGame");
switch (Gbl.Scope.Current)
{
case Sco_SCOPE_SYS:
if (Gbl.Usrs.Me.Role.Logged != Rol_SYS_ADM)
Lay_ShowErrorAndExit ("Wrong game scope.");
NewGame.Scope = Sco_SCOPE_SYS;
NewGame.Cod = -1L;
break;
case Sco_SCOPE_CTY:
if (Gbl.Usrs.Me.Role.Logged != Rol_SYS_ADM)
Lay_ShowErrorAndExit ("Wrong game scope.");
NewGame.Scope = Sco_SCOPE_CTY;
NewGame.Cod = Gbl.CurrentCty.Cty.CtyCod;
break;
case Sco_SCOPE_INS:
if (Gbl.Usrs.Me.Role.Logged != Rol_SYS_ADM &&
Gbl.Usrs.Me.Role.Logged != Rol_INS_ADM)
Lay_ShowErrorAndExit ("Wrong game scope.");
NewGame.Scope = Sco_SCOPE_INS;
NewGame.Cod = Gbl.CurrentIns.Ins.InsCod;
break;
case Sco_SCOPE_CTR:
if (Gbl.Usrs.Me.Role.Logged != Rol_SYS_ADM &&
Gbl.Usrs.Me.Role.Logged != Rol_CTR_ADM)
Lay_ShowErrorAndExit ("Wrong game scope.");
NewGame.Scope = Sco_SCOPE_CTR;
NewGame.Cod = Gbl.CurrentCtr.Ctr.CtrCod;
break;
case Sco_SCOPE_DEG:
if (Gbl.Usrs.Me.Role.Logged != Rol_SYS_ADM &&
Gbl.Usrs.Me.Role.Logged != Rol_DEG_ADM)
Lay_ShowErrorAndExit ("Wrong game scope.");
NewGame.Scope = Sco_SCOPE_DEG;
NewGame.Cod = Gbl.CurrentDeg.Deg.DegCod;
break;
case Sco_SCOPE_CRS:
if (Gbl.Usrs.Me.Role.Logged != Rol_SYS_ADM &&
Gbl.Usrs.Me.Role.Logged != Rol_TCH)
Lay_ShowErrorAndExit ("Wrong game scope.");
NewGame.Scope = Sco_SCOPE_CRS;
NewGame.Cod = Gbl.CurrentCrs.Crs.CrsCod;
break;
default:
Lay_ShowErrorAndExit ("Wrong scope.");
break;
}
/***** Get start/end date-times *****/
NewGame.TimeUTC[Dat_START_TIME] = Dat_GetTimeUTCFromForm ("StartTimeUTC");
NewGame.TimeUTC[Dat_END_TIME ] = Dat_GetTimeUTCFromForm ("EndTimeUTC" );
/***** Get game title *****/
Par_GetParToText ("Title",NewGame.Title,Rmt_MAX_BYTES_SURVEY_TITLE);
/***** Get game text and insert links *****/
Par_GetParToHTML ("Txt",Txt,Cns_MAX_BYTES_TEXT); // Store in HTML format (not rigorous)
/***** Adjust dates *****/
if (NewGame.TimeUTC[Rmt_START_TIME] == 0)
NewGame.TimeUTC[Rmt_START_TIME] = Gbl.StartExecutionTimeUTC;
if (NewGame.TimeUTC[Rmt_END_TIME] == 0)
NewGame.TimeUTC[Rmt_END_TIME] = NewGame.TimeUTC[Rmt_START_TIME] + 24 * 60 * 60; // +24 hours
/***** Get users who can answer this game *****/
NewGame.Roles = Rol_GetSelectedRoles ();
/***** Check if title is correct *****/
if (NewGame.Title[0]) // If there's a game title
{
/* If title of game was in database... */
if (Rmt_CheckIfSimilarGameExists (&NewGame))
{
NewGameIsCorrect = false;
sprintf (Gbl.Alert.Txt,Txt_Already_existed_a_game_with_the_title_X,
NewGame.Title);
Ale_ShowAlert (Ale_WARNING,Gbl.Alert.Txt);
}
}
else // If there is not a game title
{
NewGameIsCorrect = false;
Ale_ShowAlert (Ale_WARNING,Txt_You_must_specify_the_title_of_the_game);
}
/***** Create a new game or update an existing one *****/
if (NewGameIsCorrect)
{
/* Get groups for this games */
Grp_GetParCodsSeveralGrps ();
if (ItsANewGame)
Rmt_CreateGame (&NewGame,Txt); // Add new game to database
else
Rmt_UpdateGame (&NewGame,Txt);
/* Free memory for list of selected groups */
Grp_FreeListCodSelectedGrps ();
}
else
Rmt_RequestCreatOrEditGame ();
/***** Notify by email about the new game *****/
if (NewGame.Scope == Sco_SCOPE_CRS) // Notify only the games for a course, not for a degree or global
if ((NumUsrsToBeNotifiedByEMail = Ntf_StoreNotifyEventsToAllUsrs (Ntf_EVENT_SURVEY,NewGame.GamCod)))
Rmt_UpdateNumUsrsNotifiedByEMailAboutGame (NewGame.GamCod,NumUsrsToBeNotifiedByEMail);
/***** Show games again *****/
Rmt_ListAllGames (&GameQst);
}
/*****************************************************************************/
/*********** Update number of users notified in table of games *************/
/*****************************************************************************/
static void Rmt_UpdateNumUsrsNotifiedByEMailAboutGame (long GamCod,
unsigned NumUsrsToBeNotifiedByEMail)
{
char Query[256];
/***** Update number of users notified *****/
sprintf (Query,"UPDATE games SET NumNotif=NumNotif+%u"
" WHERE GamCod=%ld",
NumUsrsToBeNotifiedByEMail,GamCod);
DB_QueryUPDATE (Query,"can not update the number of notifications of a game");
}
/*****************************************************************************/
/*************************** Create a new game *****************************/
/*****************************************************************************/
static void Rmt_CreateGame (struct Game *Game,const char *Txt)
{
extern const char *Sco_ScopeDB[Sco_NUM_SCOPES];
extern const char *Txt_Created_new_game_X;
char Query[1024 +
Rmt_MAX_BYTES_SURVEY_TITLE +
Cns_MAX_BYTES_TEXT];
/***** Create a new game *****/
sprintf (Query,"INSERT INTO games"
" (Scope,Cod,Hidden,Roles,UsrCod,StartTime,EndTime,Title,Txt)"
" VALUES"
" ('%s',%ld,'N',%u,%ld,"
"FROM_UNIXTIME(%ld),FROM_UNIXTIME(%ld),"
"'%s','%s')",
Sco_ScopeDB[Game->Scope],Game->Cod,
Game->Roles,
Gbl.Usrs.Me.UsrDat.UsrCod,
Game->TimeUTC[Rmt_START_TIME],
Game->TimeUTC[Rmt_END_TIME ],
Game->Title,
Txt);
Game->GamCod = DB_QueryINSERTandReturnCode (Query,"can not create new game");
/***** Create groups *****/
if (Gbl.CurrentCrs.Grps.LstGrpsSel.NumGrps)
Rmt_CreateGrps (Game->GamCod);
/***** Write success message *****/
sprintf (Gbl.Alert.Txt,Txt_Created_new_game_X,
Game->Title);
Ale_ShowAlert (Ale_SUCCESS,Gbl.Alert.Txt);
}
/*****************************************************************************/
/************************* Update an existing game *************************/
/*****************************************************************************/
static void Rmt_UpdateGame (struct Game *Game,const char *Txt)
{
extern const char *Sco_ScopeDB[Sco_NUM_SCOPES];
extern const char *Txt_The_game_has_been_modified;
char Query[1024 +
Rmt_MAX_BYTES_SURVEY_TITLE +
Cns_MAX_BYTES_TEXT];
/***** Update the data of the game *****/
sprintf (Query,"UPDATE games"
" SET Scope='%s',Cod=%ld,Roles=%u,"
"StartTime=FROM_UNIXTIME(%ld),"
"EndTime=FROM_UNIXTIME(%ld),"
"Title='%s',Txt='%s'"
" WHERE GamCod=%ld",
Sco_ScopeDB[Game->Scope],Game->Cod,
Game->Roles,
Game->TimeUTC[Rmt_START_TIME],
Game->TimeUTC[Rmt_END_TIME ],
Game->Title,
Txt,
Game->GamCod);
DB_QueryUPDATE (Query,"can not update game");
/***** Update groups *****/
/* Remove old groups */
Rmt_RemoveAllTheGrpsAssociatedToAndGame (Game->GamCod);
/* Create new groups */
if (Gbl.CurrentCrs.Grps.LstGrpsSel.NumGrps)
Rmt_CreateGrps (Game->GamCod);
/***** Write success message *****/
Ale_ShowAlert (Ale_SUCCESS,Txt_The_game_has_been_modified);
}
/*****************************************************************************/
/*************** Check if a game is associated to any group ****************/
/*****************************************************************************/
static bool Rmt_CheckIfGamIsAssociatedToGrps (long GamCod)
{
char Query[128];
/***** Get if a game is associated to a group from database *****/
sprintf (Query,"SELECT COUNT(*) FROM gam_grp WHERE GamCod=%ld",
GamCod);
return (DB_QueryCOUNT (Query,"can not check if a game is associated to groups") != 0);
}
/*****************************************************************************/
/**************** Check if a game is associated to a group *****************/
/*****************************************************************************/
bool Rmt_CheckIfGamIsAssociatedToGrp (long GamCod,long GrpCod)
{
char Query[256];
/***** Get if a game is associated to a group from database *****/
sprintf (Query,"SELECT COUNT(*) FROM gam_grp"
" WHERE GamCod=%ld AND GrpCod=%ld",
GamCod,GrpCod);
return (DB_QueryCOUNT (Query,"can not check if a game is associated to a group") != 0);
}
/*****************************************************************************/
/************************* Remove groups of a game *************************/
/*****************************************************************************/
static void Rmt_RemoveAllTheGrpsAssociatedToAndGame (long GamCod)
{
char Query[128];
/***** Remove groups of the game *****/
sprintf (Query,"DELETE FROM gam_grp WHERE GamCod=%ld",
GamCod);
DB_QueryDELETE (Query,"can not remove the groups associated to a game");
}
/*****************************************************************************/
/******************* Remove one group from all the games *******************/
/*****************************************************************************/
void Rmt_RemoveGroup (long GrpCod)
{
char Query[128];
/***** Remove group from all the games *****/
sprintf (Query,"DELETE FROM gam_grp WHERE GrpCod=%ld",
GrpCod);
DB_QueryDELETE (Query,"can not remove group"
" from the associations between games and groups");
}
/*****************************************************************************/
/*************** Remove groups of one type from all the games **************/
/*****************************************************************************/
void Rmt_RemoveGroupsOfType (long GrpTypCod)
{
char Query[256];
/***** Remove group from all the games *****/
sprintf (Query,"DELETE FROM gam_grp USING crs_grp,gam_grp"
" WHERE crs_grp.GrpTypCod=%ld"
" AND crs_grp.GrpCod=gam_grp.GrpCod",
GrpTypCod);
DB_QueryDELETE (Query,"can not remove groups of a type"
" from the associations between games and groups");
}
/*****************************************************************************/
/************************ Create groups of a game **************************/
/*****************************************************************************/
static void Rmt_CreateGrps (long GamCod)
{
unsigned NumGrpSel;
char Query[256];
/***** Create groups of the game *****/
for (NumGrpSel = 0;
NumGrpSel < Gbl.CurrentCrs.Grps.LstGrpsSel.NumGrps;
NumGrpSel++)
{
/* Create group */
sprintf (Query,"INSERT INTO gam_grp"
" (GamCod,GrpCod)"
" VALUES"
" (%ld,%ld)",
GamCod,Gbl.CurrentCrs.Grps.LstGrpsSel.GrpCods[NumGrpSel]);
DB_QueryINSERT (Query,"can not associate a group to a game");
}
}
/*****************************************************************************/
/************ Get and write the names of the groups of a game **************/
/*****************************************************************************/
static void Rmt_GetAndWriteNamesOfGrpsAssociatedToGame (struct Game *Game)
{
extern const char *Txt_Group;
extern const char *Txt_Groups;
extern const char *Txt_and;
extern const char *Txt_The_whole_course;
char Query[512];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRow;
unsigned long NumRows;
/***** Get groups associated to a game from database *****/
sprintf (Query,"SELECT crs_grp_types.GrpTypName,crs_grp.GrpName"
" FROM gam_grp,crs_grp,crs_grp_types"
" WHERE gam_grp.GamCod=%ld"
" AND gam_grp.GrpCod=crs_grp.GrpCod"
" AND crs_grp.GrpTypCod=crs_grp_types.GrpTypCod"
" ORDER BY crs_grp_types.GrpTypName,crs_grp.GrpName",
Game->GamCod);
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get groups of a game");
/***** Write heading *****/
fprintf (Gbl.F.Out,"<div class=\"%s\">%s: ",
Game->Status.Visible ? "ASG_GRP" :
"ASG_GRP_LIGHT",
NumRows == 1 ? Txt_Group :
Txt_Groups);
/***** Write groups *****/
if (NumRows) // Groups found...
{
/* Get and write the group types and names */
for (NumRow = 0;
NumRow < NumRows;
NumRow++)
{
/* Get next group */
row = mysql_fetch_row (mysql_res);
/* Write group type name and group name */
fprintf (Gbl.F.Out,"%s %s",row[0],row[1]);
if (NumRows >= 2)
{
if (NumRow == NumRows-2)
fprintf (Gbl.F.Out," %s ",Txt_and);
if (NumRows >= 3)
if (NumRow < NumRows-2)
fprintf (Gbl.F.Out,", ");
}
}
}
else
fprintf (Gbl.F.Out,"%s %s",
Txt_The_whole_course,Gbl.CurrentCrs.Crs.ShrtName);
fprintf (Gbl.F.Out,"</div>");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/************ Remove all the games of a place on the hierarchy *************/
/************ (country, institution, centre, degree or course) *************/
/*****************************************************************************/
void Rmt_RemoveGames (Sco_Scope_t Scope,long Cod)
{
extern const char *Sco_ScopeDB[Sco_NUM_SCOPES];
char Query[512];
/***** Remove all the users in course games *****/
sprintf (Query,"DELETE FROM game_users"
" USING games,game_users"
" WHERE games.Scope='%s' AND games.Cod=%ld"
" AND games.GamCod=game_users.GamCod",
Sco_ScopeDB[Scope],Cod);
DB_QueryDELETE (Query,"can not remove users"
" who had answered games in a place on the hierarchy");
/***** Remove all the answers in course games *****/
sprintf (Query,"DELETE FROM gam_answers"
" USING games,game_questions,gam_answers"
" WHERE games.Scope='%s' AND games.Cod=%ld"
" AND games.GamCod=game_questions.GamCod"
" AND game_questions.QstCod=gam_answers.QstCod",
Sco_ScopeDB[Scope],Cod);
DB_QueryDELETE (Query,"can not remove answers of games in a place on the hierarchy");
/***** Remove all the questions in course games *****/
sprintf (Query,"DELETE FROM game_questions"
" USING games,game_questions"
" WHERE games.Scope='%s' AND games.Cod=%ld"
" AND games.GamCod=game_questions.GamCod",
Sco_ScopeDB[Scope],Cod);
DB_QueryDELETE (Query,"can not remove questions of games in a place on the hierarchy");
/***** Remove groups *****/
sprintf (Query,"DELETE FROM gam_grp"
" USING games,gam_grp"
" WHERE games.Scope='%s' AND games.Cod=%ld"
" AND games.GamCod=gam_grp.GamCod",
Sco_ScopeDB[Scope],Cod);
DB_QueryDELETE (Query,"can not remove all the groups"
" associated to games of a course");
/***** Remove course games *****/
sprintf (Query,"DELETE FROM games"
" WHERE Scope='%s' AND Cod=%ld",
Sco_ScopeDB[Scope],Cod);
DB_QueryDELETE (Query,"can not remove all the games in a place on the hierarchy");
}
/*****************************************************************************/
/************ Check if I belong to any of the groups of a game *************/
/*****************************************************************************/
static bool Rmt_CheckIfICanDoThisGameBasedOnGrps (long GamCod)
{
char Query[512];
/***** Get if I can do a game from database *****/
sprintf (Query,"SELECT COUNT(*) FROM games"
" WHERE GamCod=%ld"
" AND (GamCod NOT IN (SELECT GamCod FROM gam_grp) OR"
" GamCod IN (SELECT gam_grp.GamCod FROM gam_grp,crs_grp_usr"
" WHERE crs_grp_usr.UsrCod=%ld"
" AND gam_grp.GrpCod=crs_grp_usr.GrpCod))",
GamCod,Gbl.Usrs.Me.UsrDat.UsrCod);
return (DB_QueryCOUNT (Query,"can not check if I can do a game") != 0);
}
/*****************************************************************************/
/******************* Get number of questions of a game *********************/
/*****************************************************************************/
static unsigned Rmt_GetNumQstsGame (long GamCod)
{
char Query[128];
/***** Get data of questions from database *****/
sprintf (Query,"SELECT COUNT(*) FROM game_questions WHERE GamCod=%ld",
GamCod);
return (unsigned) DB_QueryCOUNT (Query,"can not get number of questions of a game");
}
/*****************************************************************************/
/*********** Put a form to edit/create a question in game *****************/
/*****************************************************************************/
void Rmt_RequestEditQuestion (void)
{
long GamCod;
struct GameQuestion GameQst;
char Txt[Cns_MAX_BYTES_TEXT + 1];
/***** Initialize question to zero *****/
Rmt_InitQst (&GameQst);
Txt[0] = '\0';
/***** Get game code *****/
if ((GamCod = Rmt_GetParamGameCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of game is missing.");
/* Get the question code */
GameQst.QstCod = Rmt_GetParamQstCod ();
/***** Get other parameters *****/
Rmt_GetParamGameOrder ();
Grp_GetParamWhichGrps ();
Gbl.Games.CurrentPage = Pag_GetParamPagNum (Pag_SURVEYS);
/***** Show form to create a new question in this game *****/
Rmt_ShowFormEditOneQst (GamCod,&GameQst,Txt);
/***** Show current game *****/
Rmt_ShowOneGame (GamCod,&GameQst,true);
}
/*****************************************************************************/
/******************* Show form to edit one game question *******************/
/*****************************************************************************/
static void Rmt_ShowFormEditOneQst (long GamCod,struct GameQuestion *GameQst,
char Txt[Cns_MAX_BYTES_TEXT + 1])
{
extern const char *Hlp_ASSESSMENT_Games_questions;
extern const char *The_ClassForm[The_NUM_THEMES];
extern const char *Txt_Question;
extern const char *Txt_New_question;
extern const char *Txt_Stem;
extern const char *Txt_Type;
extern const char *Txt_SURVEY_STR_ANSWER_TYPES[Rmt_NUM_ANS_TYPES];
extern const char *Txt_Save;
extern const char *Txt_Create_question;
char Query[256];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumAns;
unsigned NumAnswers = 0;
Rmt_AnswerType_t AnsType;
if (Gbl.Action.Act == ActEdiOneGamQst) // If no receiving the question, but editing a new or existing question
{
if ((GameQst->QstCod > 0)) // If parameter QstCod received ==> question already exists in the database
{
/***** Get the type of answer and the stem from the database *****/
/* Get the question from database */
sprintf (Query,"SELECT QstInd,AnsType,Stem FROM game_questions"
" WHERE QstCod=%ld AND GamCod=%ld",
GameQst->QstCod,GamCod);
DB_QuerySELECT (Query,&mysql_res,"can not get a question");
row = mysql_fetch_row (mysql_res);
/* Get question index inside game (row[0]) */
if (sscanf (row[0],"%u",&(GameQst->QstInd)) != 1)
Lay_ShowErrorAndExit ("Error: wrong question index.");
/* Get the type of answer (row[1]) */
GameQst->AnswerType = Rmt_ConvertFromStrAnsTypDBToAnsTyp (row[1]);
/* Get the stem of the question from the database (row[2]) */
Str_Copy (Txt,row[2],
Cns_MAX_BYTES_TEXT);
/* Free structure that stores the query result */
DB_FreeMySQLResult (&mysql_res);
/***** Get the answers from the database *****/
NumAnswers = Rmt_GetAnswersQst (GameQst->QstCod,&mysql_res); // Result: AnsInd,NumUsrs,Answer
for (NumAns = 0;
NumAns < NumAnswers;
NumAns++)
{
row = mysql_fetch_row (mysql_res);
if (NumAnswers > Rmt_MAX_ANSWERS_PER_QUESTION)
Lay_ShowErrorAndExit ("Wrong answer.");
if (!Rmt_AllocateTextChoiceAnswer (GameQst,NumAns))
Lay_ShowErrorAndExit (Gbl.Alert.Txt);
Str_Copy (GameQst->AnsChoice[NumAns].Text,row[2],
Rmt_MAX_BYTES_ANSWER);
}
/* Free structure that stores the query result */
DB_FreeMySQLResult (&mysql_res);
}
}
/***** Start box *****/
if (GameQst->QstCod > 0) // If the question already has assigned a code
{
/* Parameters for contextual icon */
Gbl.Games.GamCodToEdit = GamCod;
Gbl.Games.GamQstCodToEdit = GameQst->QstCod;
sprintf (Gbl.Title,"%s %u",
Txt_Question,GameQst->QstInd + 1); // Question index may be 0, 1, 2, 3,...
Box_StartBox (NULL,Gbl.Title,Rmt_PutIconToRemoveOneQst,
NULL,Box_NOT_CLOSABLE);
}
else
Box_StartBox (NULL,Txt_New_question,NULL,
Hlp_ASSESSMENT_Games_questions,Box_NOT_CLOSABLE);
/***** Start form *****/
Act_FormStart (ActRcvGamQst);
Rmt_PutParamGameCod (GamCod);
if (GameQst->QstCod > 0) // If the question already has assigned a code
Rmt_PutParamQstCod (GameQst->QstCod);
/***** Start table *****/
Tbl_StartTableWide (2);
/***** Stem *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"RIGHT_TOP\">"
"<label for=\"Txt\" class=\"%s\">%s:</label>"
"</td>"
"<td class=\"LEFT_TOP\">"
"<textarea id=\"Txt\" name=\"Txt\""
" cols=\"60\" rows=\"4\">"
"%s"
"</textarea>"
"</td>"
"</tr>",
The_ClassForm[Gbl.Prefs.Theme],Txt_Stem,
Txt);
/***** Type of answer *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"%s RIGHT_TOP\">"
"%s:"
"</td>"
"<td class=\"%s LEFT_TOP\">",
The_ClassForm[Gbl.Prefs.Theme],
Txt_Type,
The_ClassForm[Gbl.Prefs.Theme]);
for (AnsType = (Rmt_AnswerType_t) 0;
AnsType < Rmt_NUM_ANS_TYPES;
AnsType++)
{
fprintf (Gbl.F.Out,"<label>"
"<input type=\"radio\" name=\"AnswerType\""
" value=\"%u\"",
(unsigned) AnsType);
if (AnsType == GameQst->AnswerType)
fprintf (Gbl.F.Out," checked=\"checked\"");
fprintf (Gbl.F.Out," />"
"%s"
"</label><br />",
Txt_SURVEY_STR_ANSWER_TYPES[AnsType]);
}
fprintf (Gbl.F.Out,"</td>"
"</tr>");
/***** Answers *****/
/* Unique or multiple choice answers */
fprintf (Gbl.F.Out,"<tr>"
"<td></td>"
"<td class=\"LEFT_TOP\">");
Tbl_StartTable (2);
for (NumAns = 0;
NumAns < Rmt_MAX_ANSWERS_PER_QUESTION;
NumAns++)
{
/* Label with the number of the answer */
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"RIGHT_TOP\">"
"<label for=\"AnsStr%u\" class=\"%s\">%u)</label>"
"</td>",
NumAns,The_ClassForm[Gbl.Prefs.Theme],NumAns + 1);
/* Answer text */
fprintf (Gbl.F.Out,"<td class=\"RIGHT_TOP\">"
"<textarea id=\"AnsStr%u\" name=\"AnsStr%u\""
" cols=\"50\" rows=\"1\">",
NumAns,NumAns);
if (GameQst->AnsChoice[NumAns].Text)
fprintf (Gbl.F.Out,"%s",GameQst->AnsChoice[NumAns].Text);
fprintf (Gbl.F.Out,"</textarea>"
"</td>"
"</tr>");
}
Tbl_EndTable ();
fprintf (Gbl.F.Out,"</td>"
"</tr>");
/***** End table *****/
Tbl_EndTable ();
/***** Send button *****/
if (GameQst->QstCod > 0) // If the question already has assigned a code
Btn_PutConfirmButton (Txt_Save);
else
Btn_PutCreateButton (Txt_Create_question);
/***** End form *****/
Act_FormEnd ();
/***** End box *****/
Box_EndBox ();
/***** Free memory for answers *****/
Rmt_FreeTextChoiceAnswers (GameQst,NumAnswers);
}
/*****************************************************************************/
/********************* Initialize a new question to zero *********************/
/*****************************************************************************/
static void Rmt_InitQst (struct GameQuestion *GameQst)
{
unsigned NumAns;
GameQst->QstCod = -1L;
GameQst->QstInd = 0;
GameQst->AnswerType = Rmt_ANS_UNIQUE_CHOICE;
for (NumAns = 0;
NumAns < Rmt_MAX_ANSWERS_PER_QUESTION;
NumAns++)
GameQst->AnsChoice[NumAns].Text = NULL;
}
/*****************************************************************************/
/****************** Write parameter with code of question ********************/
/*****************************************************************************/
static void Rmt_PutParamQstCod (long QstCod)
{
Par_PutHiddenParamLong ("QstCod",QstCod);
}
/*****************************************************************************/
/******************* Get parameter with code of question *********************/
/*****************************************************************************/
static long Rmt_GetParamQstCod (void)
{
/***** Get code of question *****/
return Par_GetParToLong ("QstCod");
}
/*****************************************************************************/
/********************* Remove answers of a game question *******************/
/*****************************************************************************/
static void Rmt_RemAnswersOfAQuestion (long QstCod)
{
char Query[128];
/***** Remove answers *****/
sprintf (Query,"DELETE FROM gam_answers WHERE QstCod=%ld",
QstCod);
DB_QueryDELETE (Query,"can not remove the answers of a question");
}
/*****************************************************************************/
/*********** Convert a string with the answer type to answer type ************/
/*****************************************************************************/
static Rmt_AnswerType_t Rmt_ConvertFromStrAnsTypDBToAnsTyp (const char *StrAnsTypeBD)
{
Rmt_AnswerType_t AnsType;
for (AnsType = (Rmt_AnswerType_t) 0;
AnsType < Rmt_NUM_ANS_TYPES;
AnsType++)
if (!strcmp (StrAnsTypeBD,Rmt_StrAnswerTypesDB[AnsType]))
return AnsType;
return (Rmt_AnswerType_t) 0;
}
/*****************************************************************************/
/*********** Check if an answer of a question exists in database *************/
/*****************************************************************************/
static bool Rmt_CheckIfAnswerExists (long QstCod,unsigned AnsInd)
{
char Query[256];
/***** Get answers of a question from database *****/
sprintf (Query,"SELECT COUNT(*) FROM gam_answers"
" WHERE QstCod=%ld AND AnsInd=%u",
QstCod,AnsInd);
return (DB_QueryCOUNT (Query,"can not check if an answer exists") != 0);
}
/*****************************************************************************/
/************** Get answers of a game question from database ***************/
/*****************************************************************************/
static unsigned Rmt_GetAnswersQst (long QstCod,MYSQL_RES **mysql_res)
{
char Query[256];
unsigned long NumRows;
/***** Get answers of a question from database *****/
sprintf (Query,"SELECT AnsInd,NumUsrs,Answer FROM gam_answers"
" WHERE QstCod=%ld ORDER BY AnsInd",
QstCod);
NumRows = DB_QuerySELECT (Query,mysql_res,"can not get answers of a question");
/***** Count number of rows of result *****/
if (NumRows == 0)
Ale_ShowAlert (Ale_ERROR,"Error when getting answers of a question.");
return (unsigned) NumRows;
}
/*****************************************************************************/
/******************* Allocate memory for a choice answer *********************/
/*****************************************************************************/
static bool Rmt_AllocateTextChoiceAnswer (struct GameQuestion *GameQst,unsigned NumAns)
{
Rmt_FreeTextChoiceAnswer (GameQst,NumAns);
if ((GameQst->AnsChoice[NumAns].Text = malloc (Rmt_MAX_BYTES_ANSWER + 1)) == NULL)
{
sprintf (Gbl.Alert.Txt,"Not enough memory to store answer.");
return false;
}
GameQst->AnsChoice[NumAns].Text[0] = '\0';
return true;
}
/*****************************************************************************/
/******************** Free memory of all choice answers **********************/
/*****************************************************************************/
static void Rmt_FreeTextChoiceAnswers (struct GameQuestion *GameQst,unsigned NumAnswers)
{
unsigned NumAns;
for (NumAns = 0;
NumAns < NumAnswers;
NumAns++)
Rmt_FreeTextChoiceAnswer (GameQst,NumAns);
}
/*****************************************************************************/
/********************** Free memory of a choice answer ***********************/
/*****************************************************************************/
static void Rmt_FreeTextChoiceAnswer (struct GameQuestion *GameQst,unsigned NumAns)
{
if (GameQst->AnsChoice[NumAns].Text)
{
free ((void *) GameQst->AnsChoice[NumAns].Text);
GameQst->AnsChoice[NumAns].Text = NULL;
}
}
/*****************************************************************************/
/*********************** Receive a question of a game **********************/
/*****************************************************************************/
void Rmt_ReceiveQst (void)
{
extern const char *Txt_You_must_type_the_stem_of_the_question;
extern const char *Txt_You_can_not_leave_empty_intermediate_answers;
extern const char *Txt_You_must_type_at_least_the_first_two_answers;
extern const char *Txt_The_game_has_been_modified;
char Txt[Cns_MAX_BYTES_TEXT + 1];
char Query[512 + Cns_MAX_BYTES_TEXT];
long GamCod;
struct GameQuestion GameQst;
unsigned NumAns;
char AnsStr[8 + 10 + 1];
unsigned NumLastAns;
bool ThereIsEndOfAnswers;
bool Error = false;
/***** Initialize new question to zero *****/
Rmt_InitQst (&GameQst);
/***** Get parameters from form *****/
/* Get game code */
if ((GamCod = Rmt_GetParamGameCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of game is missing.");
/* Get question code */
GameQst.QstCod = Rmt_GetParamQstCod ();
/* Get answer type */
GameQst.AnswerType = (Rmt_AnswerType_t)
Par_GetParToUnsignedLong ("AnswerType",
0,
Rmt_NUM_ANS_TYPES - 1,
(unsigned long) Rmt_ANSWER_TYPE_DEFAULT);
/* Get question text */
Par_GetParToHTML ("Txt",Txt,Cns_MAX_BYTES_TEXT);
/* Get the texts of the answers */
for (NumAns = 0;
NumAns < Rmt_MAX_ANSWERS_PER_QUESTION;
NumAns++)
{
if (!Rmt_AllocateTextChoiceAnswer (&GameQst,NumAns))
Lay_ShowErrorAndExit (Gbl.Alert.Txt);
sprintf (AnsStr,"AnsStr%u",NumAns);
Par_GetParToHTML (AnsStr,GameQst.AnsChoice[NumAns].Text,Rmt_MAX_BYTES_ANSWER);
}
/***** Make sure that stem and answer are not empty *****/
if (Txt[0])
{
if (GameQst.AnsChoice[0].Text[0]) // If the first answer has been filled
{
for (NumAns = 0, NumLastAns = 0, ThereIsEndOfAnswers = false;
!Error && NumAns < Rmt_MAX_ANSWERS_PER_QUESTION;
NumAns++)
if (GameQst.AnsChoice[NumAns].Text[0])
{
if (ThereIsEndOfAnswers)
{
Ale_ShowAlert (Ale_WARNING,Txt_You_can_not_leave_empty_intermediate_answers);
Error = true;
}
else
NumLastAns = NumAns;
}
else
ThereIsEndOfAnswers = true;
if (!Error)
{
if (NumLastAns < 1)
{
Ale_ShowAlert (Ale_WARNING,Txt_You_must_type_at_least_the_first_two_answers);
Error = true;
}
}
}
else // If first answer is empty
{
Ale_ShowAlert (Ale_WARNING,Txt_You_must_type_at_least_the_first_two_answers);
Error = true;
}
}
else
{
Ale_ShowAlert (Ale_WARNING,Txt_You_must_type_the_stem_of_the_question);
Error = true;
}
if (Error)
Rmt_ShowFormEditOneQst (GamCod,&GameQst,Txt);
else
{
/***** Form is received OK ==> insert question and answer in the database *****/
if (GameQst.QstCod < 0) // It's a new question
{
GameQst.QstInd = Rmt_GetNextQuestionIndexInGame (GamCod);
/* Insert question in the table of questions */
sprintf (Query,"INSERT INTO game_questions"
" (GamCod,QstInd,AnsType,Stem)"
" VALUES"
" (%ld,%u,'%s','%s')",
GamCod,GameQst.QstInd,Rmt_StrAnswerTypesDB[GameQst.AnswerType],Txt);
GameQst.QstCod = DB_QueryINSERTandReturnCode (Query,"can not create question");
}
else // It's an existing question
{
/* Update question */
sprintf (Query,"UPDATE game_questions SET Stem='%s',AnsType='%s'"
" WHERE QstCod=%ld AND GamCod=%ld",
Txt,Rmt_StrAnswerTypesDB[GameQst.AnswerType],
GameQst.QstCod,GamCod);
DB_QueryUPDATE (Query,"can not update question");
}
/* Insert, update or delete answers in the answers table */
for (NumAns = 0;
NumAns < Rmt_MAX_ANSWERS_PER_QUESTION;
NumAns++)
if (Rmt_CheckIfAnswerExists (GameQst.QstCod,NumAns)) // If this answer exists...
{
if (GameQst.AnsChoice[NumAns].Text[0]) // Answer is not empty
{
/* Update answer text */
sprintf (Query,"UPDATE gam_answers SET Answer='%s'"
" WHERE QstCod=%ld AND AnsInd=%u",
GameQst.AnsChoice[NumAns].Text,GameQst.QstCod,NumAns);
DB_QueryUPDATE (Query,"can not update answer");
}
else // Answer is empty
{
/* Delete answer from database */
sprintf (Query,"DELETE FROM gam_answers"
" WHERE QstCod=%ld AND AnsInd=%u",
GameQst.QstCod,NumAns);
DB_QueryDELETE (Query,"can not delete answer");
}
}
else // If this answer does not exist...
{
if (GameQst.AnsChoice[NumAns].Text[0]) // Answer is not empty
{
/* Create answer into database */
sprintf (Query,"INSERT INTO gam_answers"
" (QstCod,AnsInd,NumUsrs,Answer)"
" VALUES"
" (%ld,%u,0,'%s')",
GameQst.QstCod,NumAns,GameQst.AnsChoice[NumAns].Text);
DB_QueryINSERT (Query,"can not create answer");
}
}
/***** List the questions of this game, including the new one just inserted into the database *****/
Ale_ShowAlert (Ale_SUCCESS,Txt_The_game_has_been_modified);
}
/***** Free answers *****/
Rmt_FreeTextChoiceAnswers (&GameQst,Rmt_MAX_ANSWERS_PER_QUESTION);
/***** Show current game *****/
Rmt_ShowOneGame (GamCod,&GameQst,true);
}
/*****************************************************************************/
/******************* Get next question index in a game *********************/
/*****************************************************************************/
static unsigned Rmt_GetQstIndFromQstCod (long QstCod)
{
char Query[128];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRows;
unsigned QstInd = 0;
/***** Get number of games with a field value from database *****/
sprintf (Query,"SELECT QstInd FROM game_questions WHERE QstCod=%ld",
QstCod);
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get question index");
/***** Get number of users *****/
if (NumRows)
{
row = mysql_fetch_row (mysql_res);
if (sscanf (row[0],"%u",&QstInd) != 1)
Lay_ShowErrorAndExit ("Error when getting question index.");
}
else
Lay_ShowErrorAndExit ("Error when getting question index.");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return QstInd;
}
/*****************************************************************************/
/******************* Get next question index in a game *********************/
/*****************************************************************************/
static unsigned Rmt_GetNextQuestionIndexInGame (long GamCod)
{
char Query[128];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned QstInd = 0;
/***** Get number of games with a field value from database *****/
sprintf (Query,"SELECT MAX(QstInd) FROM game_questions WHERE GamCod=%ld",
GamCod);
DB_QuerySELECT (Query,&mysql_res,"can not get last question index");
/***** Get number of users *****/
row = mysql_fetch_row (mysql_res);
if (row[0]) // There are questions
{
if (sscanf (row[0],"%u",&QstInd) != 1)
Lay_ShowErrorAndExit ("Error when getting last question index.");
QstInd++;
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return QstInd;
}
/*****************************************************************************/
/************************ List the questions of a game *********************/
/*****************************************************************************/
static void Rmt_ListGameQuestions (struct Game *Game,struct GameQuestion *GameQst)
{
extern const char *Hlp_ASSESSMENT_Games_questions;
extern const char *Txt_Questions;
extern const char *Txt_No_INDEX;
extern const char *Txt_Type;
extern const char *Txt_Question;
extern const char *Txt_SURVEY_STR_ANSWER_TYPES[Rmt_NUM_ANS_TYPES];
extern const char *Txt_This_game_has_no_questions;
extern const char *Txt_Done;
extern const char *Txt_Edit_question;
char Query[256];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumQsts;
unsigned NumQst;
bool Editing = (Gbl.Action.Act == ActEdiOneGam ||
Gbl.Action.Act == ActEdiOneGamQst ||
Gbl.Action.Act == ActRcvGamQst);
bool PutFormAnswerGame = Game->Status.ICanAnswer && !Editing;
/***** Get data of questions from database *****/
sprintf (Query,"SELECT QstCod,QstInd,AnsType,Stem"
" FROM game_questions WHERE GamCod=%ld ORDER BY QstInd",
Game->GamCod);
NumQsts = (unsigned) DB_QuerySELECT (Query,&mysql_res,"can not get data of a question");
/***** Start box *****/
Gbl.Games.GamCodToEdit = Game->GamCod;
Box_StartBox (NULL,Txt_Questions,Game->Status.ICanEdit ? Rmt_PutIconToAddNewQuestion :
NULL,
Hlp_ASSESSMENT_Games_questions,Box_NOT_CLOSABLE);
if (NumQsts)
{
if (PutFormAnswerGame)
{
/***** Start form to send answers to game *****/
Act_FormStart (ActAnsGam);
Rmt_PutParamGameCod (Game->GamCod);
}
/***** Write the heading *****/
Tbl_StartTableWideMargin (2);
fprintf (Gbl.F.Out,"<tr>");
if (Game->Status.ICanEdit)
fprintf (Gbl.F.Out,"<th colspan=\"2\"></th>");
fprintf (Gbl.F.Out,"<th class=\"CENTER_TOP\">"
"%s"
"</th>"
"<th class=\"CENTER_TOP\">"
"%s"
"</th>"
"<th class=\"LEFT_TOP\">"
"%s"
"</th>"
"</tr>",
Txt_No_INDEX,
Txt_Type,
Txt_Question);
/***** Write questions one by one *****/
for (NumQst = 0;
NumQst < NumQsts;
NumQst++)
{
Gbl.RowEvenOdd = (int) (NumQst % 2);
row = mysql_fetch_row (mysql_res);
/* row[0] holds the code of the question */
if (sscanf (row[0],"%ld",&(GameQst->QstCod)) != 1)
Lay_ShowErrorAndExit ("Wrong code of question.");
fprintf (Gbl.F.Out,"<tr>");
if (Game->Status.ICanEdit)
{
/* Write icon to remove the question */
fprintf (Gbl.F.Out,"<td class=\"BT%u\">",Gbl.RowEvenOdd);
Act_FormStart (ActReqRemGamQst);
Rmt_PutParamGameCod (Game->GamCod);
Rmt_PutParamQstCod (GameQst->QstCod);
Ico_PutIconRemove ();
Act_FormEnd ();
fprintf (Gbl.F.Out,"</td>");
/* Write icon to edit the question */
fprintf (Gbl.F.Out,"<td class=\"BT%u\">",Gbl.RowEvenOdd);
Act_FormStart (ActEdiOneGamQst);
Rmt_PutParamGameCod (Game->GamCod);
Rmt_PutParamQstCod (GameQst->QstCod);
fprintf (Gbl.F.Out,"<input type=\"image\" src=\"%s/edit64x64.png\""
" alt=\"%s\" title=\"%s\""
" class=\"ICO20x20\" />",
Gbl.Prefs.IconsURL,
Txt_Edit_question,
Txt_Edit_question);
Act_FormEnd ();
fprintf (Gbl.F.Out,"</td>");
}
/* Write index of question inside game (row[1]) */
if (sscanf (row[1],"%u",&(GameQst->QstInd)) != 1)
Lay_ShowErrorAndExit ("Error: wrong question index.");
fprintf (Gbl.F.Out,"<td class=\"DAT_SMALL CENTER_TOP COLOR%u\">"
"%u"
"</td>",
Gbl.RowEvenOdd,GameQst->QstInd + 1);
/* Write the question type (row[2]) */
GameQst->AnswerType = Rmt_ConvertFromStrAnsTypDBToAnsTyp (row[2]);
fprintf (Gbl.F.Out,"<td class=\"DAT_SMALL CENTER_TOP COLOR%u\">"
"%s"
"</td>",
Gbl.RowEvenOdd,
Txt_SURVEY_STR_ANSWER_TYPES[GameQst->AnswerType]);
/* Write the stem (row[3]) and the answers of this question */
fprintf (Gbl.F.Out,"<td class=\"DAT LEFT_TOP COLOR%u\">",
Gbl.RowEvenOdd);
Rmt_WriteQstStem (row[3]);
Rmt_WriteAnswersOfAQst (Game,GameQst,PutFormAnswerGame);
fprintf (Gbl.F.Out,"</td>"
"</tr>");
}
Tbl_EndTable ();
if (PutFormAnswerGame)
{
/***** Button to create/modify game *****/
Btn_PutConfirmButton (Txt_Done);
/***** End form *****/
Act_FormEnd ();
}
}
else // This game has no questions
Ale_ShowAlert (Ale_INFO,Txt_This_game_has_no_questions);
if (Game->Status.ICanEdit && // I can edit
(!NumQsts || // This game has no questions
Editing)) // I am editing
/***** Put button to add a new question in this game *****/
Rmt_PutButtonToCreateNewQuestion ();
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
/***** End box *****/
Box_EndBox ();
}
/*****************************************************************************/
/***************** Put icon to add a new question to game ******************/
/*****************************************************************************/
static void Rmt_PutIconToAddNewQuestion (void)
{
extern const char *Txt_New_question;
/***** Put form to create a new question *****/
Lay_PutContextualLink (ActEdiOneGamQst,NULL,Rmt_PutParams,
"plus64x64.png",
Txt_New_question,NULL,
NULL);
}
/*****************************************************************************/
/**************** Put button to add a new question to game *****************/
/*****************************************************************************/
static void Rmt_PutButtonToCreateNewQuestion (void)
{
extern const char *Txt_New_question;
Act_FormStart (ActEdiOneGamQst);
Rmt_PutParams ();
Btn_PutConfirmButton (Txt_New_question);
Act_FormEnd ();
}
/*****************************************************************************/
/****************** Write the heading of a game question *******************/
/*****************************************************************************/
static void Rmt_WriteQstStem (const char *Stem)
{
char *HeadingRigorousHTML;
size_t Length;
/* Convert the stem, that is in HTML, to rigorous HTML */
Length = strlen (Stem) * Str_MAX_BYTES_PER_CHAR;
if ((HeadingRigorousHTML = malloc (Length + 1)) == NULL)
Lay_ShowErrorAndExit ("Not enough memory to store stem of question.");
Str_Copy (HeadingRigorousHTML,Stem,
Length);
Str_ChangeFormat (Str_FROM_HTML,Str_TO_RIGOROUS_HTML,
HeadingRigorousHTML,Length,false);
/* Write the stem */
fprintf (Gbl.F.Out,"%s",HeadingRigorousHTML);
/* Free memory allocated for the stem */
free ((void *) HeadingRigorousHTML);
}
/*****************************************************************************/
/************** Get and write the answers of a game question ***************/
/*****************************************************************************/
static void Rmt_WriteAnswersOfAQst (struct Game *Game,struct GameQuestion *GameQst,bool PutFormAnswerGame)
{
unsigned NumAnswers;
unsigned NumAns;
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumUsrsThisAnswer;
/***** Get answers of this question *****/
NumAnswers = Rmt_GetAnswersQst (GameQst->QstCod,&mysql_res); // Result: AnsInd,NumUsrs,Answer
/***** Write the answers *****/
if (NumAnswers)
{
/* Check number of answers */
if (NumAnswers > Rmt_MAX_ANSWERS_PER_QUESTION)
Lay_ShowErrorAndExit ("Wrong number of answers.");
/* Write one row for each answer */
Tbl_StartTable (5);
for (NumAns = 0;
NumAns < NumAnswers;
NumAns++)
{
row = mysql_fetch_row (mysql_res);
/* Get number of users who have marked this answer (row[1]) */
if (sscanf (row[1],"%u",&NumUsrsThisAnswer) != 1)
Lay_ShowErrorAndExit ("Error when getting number of users who have marked an answer.");
/* Convert the answer (row[2]), that is in HTML, to rigorous HTML */
if (!Rmt_AllocateTextChoiceAnswer (GameQst,NumAns))
Lay_ShowErrorAndExit (Gbl.Alert.Txt);
Str_Copy (GameQst->AnsChoice[NumAns].Text,row[2],
Rmt_MAX_BYTES_ANSWER);
Str_ChangeFormat (Str_FROM_HTML,Str_TO_RIGOROUS_HTML,
GameQst->AnsChoice[NumAns].Text,Rmt_MAX_BYTES_ANSWER,false);
/* Selectors and label with the letter of the answer */
fprintf (Gbl.F.Out,"<tr>");
if (PutFormAnswerGame)
{
/* Write selector to choice this answer */
fprintf (Gbl.F.Out,"<td class=\"LEFT_TOP\">"
"<input type=\"");
if (GameQst->AnswerType == Rmt_ANS_UNIQUE_CHOICE)
fprintf (Gbl.F.Out,"radio\""
" onclick=\"selectUnselectRadio(this,this.form.Ans%010u,%u)\"",
(unsigned) GameQst->QstCod,NumAnswers);
else // GameQst->AnswerType == Rmt_ANS_MULTIPLE_CHOICE
fprintf (Gbl.F.Out,"checkbox\"");
fprintf (Gbl.F.Out," id=\"Ans%010u_%010u\" name=\"Ans%010u\""
" value=\"%u\" />"
"</td>",
(unsigned) GameQst->QstCod,NumAns,(unsigned) GameQst->QstCod,
NumAns);
}
/* Write the number of option */
fprintf (Gbl.F.Out,"<td class=\"LEFT_TOP\" style=\"width:50px;\">"
"<label for=\"Ans%010u_%010u\" class=\"DAT\">"
"%u)"
"</label>"
"</td>",
(unsigned) GameQst->QstCod,NumAns,NumAns + 1);
/* Write the text of the answer */
fprintf (Gbl.F.Out,"<td class=\"LEFT_TOP\">"
"<label for=\"Ans%010u_%010u\" class=\"DAT\">%s</label>"
"</td>",
(unsigned) GameQst->QstCod,NumAns,
GameQst->AnsChoice[NumAns].Text);
/* Show stats of this answer */
if (Game->Status.ICanViewResults)
Rmt_DrawBarNumUsrs (NumUsrsThisAnswer,Game->NumUsrs);
fprintf (Gbl.F.Out,"</tr>");
/* Free memory allocated for the answer */
Rmt_FreeTextChoiceAnswer (GameQst,NumAns);
}
Tbl_EndTable ();
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/***************** Draw a bar with the percentage of answers *****************/
/*****************************************************************************/
#define Rmt_MAX_BAR_WIDTH 125
static void Rmt_DrawBarNumUsrs (unsigned NumUsrs,unsigned MaxUsrs)
{
extern const char *Txt_of_PART_OF_A_TOTAL;
unsigned BarWidth = 0;
/***** String with the number of users *****/
if (MaxUsrs)
sprintf (Gbl.Title,"%u&nbsp;(%u%%&nbsp;%s&nbsp;%u)",
NumUsrs,
(unsigned) ((((float) NumUsrs * 100.0) / (float) MaxUsrs) + 0.5),
Txt_of_PART_OF_A_TOTAL,MaxUsrs);
else
sprintf (Gbl.Title,"0&nbsp;(0%%&nbsp;%s&nbsp;%u)",
Txt_of_PART_OF_A_TOTAL,MaxUsrs);
/***** Draw bar with a with proportional to the number of clicks *****/
fprintf (Gbl.F.Out,"<td class=\"DAT LEFT_TOP\" style=\"width:%upx;\">",
Rmt_MAX_BAR_WIDTH + 125);
if (NumUsrs && MaxUsrs)
BarWidth = (unsigned) ((((float) NumUsrs * (float) Rmt_MAX_BAR_WIDTH) /
(float) MaxUsrs) + 0.5);
if (BarWidth < 2)
BarWidth = 2;
fprintf (Gbl.F.Out,"<img src=\"%s/c1x16.gif\""
" alt=\"%s\" title=\"%s\""
" class=\"LEFT_TOP\""
" style=\"width:%upx; height:20px;\" />"
"&nbsp;",
Gbl.Prefs.IconsURL,
Gbl.Title,
Gbl.Title,
BarWidth);
/***** Write the number of users *****/
fprintf (Gbl.F.Out,"%s</td>"
"</tr>",
Gbl.Title);
}
/*****************************************************************************/
/********************* Put icon to remove one question ***********************/
/*****************************************************************************/
static void Rmt_PutIconToRemoveOneQst (void)
{
Ico_PutContextualIconToRemove (ActReqRemGamQst,Rmt_PutParamsRemoveOneQst);
}
/*****************************************************************************/
/****************** Put parameter to remove one question *********************/
/*****************************************************************************/
static void Rmt_PutParamsRemoveOneQst (void)
{
Rmt_PutParamGameCod (Gbl.Games.GamCodToEdit);
Rmt_PutParamQstCod (Gbl.Games.GamQstCodToEdit);
}
/*****************************************************************************/
/********************** Request the removal of a question ********************/
/*****************************************************************************/
void Rmt_RequestRemoveQst (void)
{
extern const char *Txt_Do_you_really_want_to_remove_the_question_X;
extern const char *Txt_Remove_question;
long GamCod;
struct GameQuestion GameQst;
/***** Get parameters from form *****/
/* Get game code */
if ((GamCod = Rmt_GetParamGameCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of game is missing.");
/* Get question code */
if ((GameQst.QstCod = Rmt_GetParamQstCod ()) < 0)
Lay_ShowErrorAndExit ("Wrong code of question.");
/* Get question index */
GameQst.QstInd = Rmt_GetQstIndFromQstCod (GameQst.QstCod);
/***** Show question and button to remove question *****/
Gbl.Games.GamCodToEdit = GamCod;
Gbl.Games.GamQstCodToEdit = GameQst.QstCod;
sprintf (Gbl.Alert.Txt,Txt_Do_you_really_want_to_remove_the_question_X,
(unsigned long) (GameQst.QstInd + 1));
Ale_ShowAlertAndButton (Ale_QUESTION,Gbl.Alert.Txt,
ActRemGamQst,NULL,NULL,Rmt_PutParamsRemoveOneQst,
Btn_REMOVE_BUTTON,Txt_Remove_question);
/***** Show current game *****/
Rmt_ShowOneGame (GamCod,&GameQst,true);
}
/*****************************************************************************/
/****************************** Remove a question ****************************/
/*****************************************************************************/
void Rmt_RemoveQst (void)
{
extern const char *Txt_Question_removed;
char Query[512];
long GamCod;
struct GameQuestion GameQst;
/***** Get parameters from form *****/
/* Get game code */
if ((GamCod = Rmt_GetParamGameCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of game is missing.");
/* Get question code */
if ((GameQst.QstCod = Rmt_GetParamQstCod ()) < 0)
Lay_ShowErrorAndExit ("Wrong code of question.");
/* Get question index */
GameQst.QstInd = Rmt_GetQstIndFromQstCod (GameQst.QstCod);
/***** Remove the question from all the tables *****/
/* Remove answers from this test question */
Rmt_RemAnswersOfAQuestion (GameQst.QstCod);
/* Remove the question itself */
sprintf (Query,"DELETE FROM game_questions WHERE QstCod=%ld",
GameQst.QstCod);
DB_QueryDELETE (Query,"can not remove a question");
if (!mysql_affected_rows (&Gbl.mysql))
Lay_ShowErrorAndExit ("The question to be removed does not exist.");
/* Change index of questions greater than this */
sprintf (Query,"UPDATE game_questions SET QstInd=QstInd-1"
" WHERE GamCod=%ld AND QstInd>%u",
GamCod,GameQst.QstInd);
DB_QueryUPDATE (Query,"can not update indexes of questions");
/***** Write message *****/
sprintf (Gbl.Alert.Txt,"%s",Txt_Question_removed);
Ale_ShowAlert (Ale_SUCCESS,Gbl.Alert.Txt);
/***** Show current game *****/
Rmt_ShowOneGame (GamCod,&GameQst,true);
}
/*****************************************************************************/
/************************ Receive answers of a game ************************/
/*****************************************************************************/
void Rmt_ReceiveGameAnswers (void)
{
extern const char *Txt_You_already_played_this_game_before;
extern const char *Txt_Thanks_for_playing_the_game;
struct Game Game;
struct GameQuestion GameQst;
/***** Get game code *****/
if ((Game.GamCod = Rmt_GetParamGameCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of game is missing.");
/***** Get data of the game from database *****/
Rmt_GetDataOfGameByCod (&Game);
/***** Check if I have no answered this game formerly *****/
if (Game.Status.IHaveAnswered)
Ale_ShowAlert (Ale_WARNING,Txt_You_already_played_this_game_before);
else
{
/***** Receive and store user's answers *****/
Rmt_ReceiveAndStoreUserAnswersToAGame (Game.GamCod);
Ale_ShowAlert (Ale_INFO,Txt_Thanks_for_playing_the_game);
}
/***** Show current game *****/
Rmt_ShowOneGame (Game.GamCod,&GameQst,true);
}
/*****************************************************************************/
/**************** Get and store user's answers to a game *******************/
/*****************************************************************************/
static void Rmt_ReceiveAndStoreUserAnswersToAGame (long GamCod)
{
char Query[256];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumQst;
unsigned NumQsts;
long QstCod;
char ParamName[3 + 10 + 6 + 1];
char StrAnswersIndexes[Rmt_MAX_ANSWERS_PER_QUESTION * (10 + 1)];
const char *Ptr;
char UnsignedStr[10 + 1];
unsigned AnsInd;
/***** Get questions of this game from database *****/
sprintf (Query,"SELECT QstCod FROM game_questions"
" WHERE GamCod=%ld ORDER BY QstCod",
GamCod);
DB_QuerySELECT (Query,&mysql_res,"can not get questions of a game");
if ((NumQsts = (unsigned) DB_QuerySELECT (Query,&mysql_res,"can not get games"))) // The game has questions
{
/***** Get questions *****/
for (NumQst = 0;
NumQst < NumQsts;
NumQst++)
{
/* Get next answer */
row = mysql_fetch_row (mysql_res);
/* Get question code (row[0]) */
if ((QstCod = Str_ConvertStrCodToLongCod (row[0])) <= 0)
Lay_ShowErrorAndExit ("Error: wrong question code.");
/* Get possible parameter with the user's answer */
sprintf (ParamName,"Ans%010u",(unsigned) QstCod);
// Lay_ShowAlert (Lay_INFO,ParamName);
Par_GetParMultiToText (ParamName,StrAnswersIndexes,
Rmt_MAX_ANSWERS_PER_QUESTION * (10 + 1));
Ptr = StrAnswersIndexes;
while (*Ptr)
{
Par_GetNextStrUntilSeparParamMult (&Ptr,UnsignedStr,10);
if (sscanf (UnsignedStr,"%u",&AnsInd) == 1)
// Parameter exists, so user has marked this answer, so store it in database
Rmt_IncreaseAnswerInDB (QstCod,AnsInd);
}
}
}
else // The game has no questions and answers
Lay_ShowErrorAndExit ("Error: this game has no questions.");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
/***** Register that you have answered this game *****/
Rmt_RegisterIHaveAnsweredGame (GamCod);
}
/*****************************************************************************/
/************ Increase number of users who have marked one answer ************/
/*****************************************************************************/
static void Rmt_IncreaseAnswerInDB (long QstCod,unsigned AnsInd)
{
char Query[256];
/***** Increase number of users who have selected the answer AnsInd in the question QstCod *****/
sprintf (Query,"UPDATE gam_answers SET NumUsrs=NumUsrs+1"
" WHERE QstCod=%ld AND AnsInd=%u",
QstCod,AnsInd);
DB_QueryINSERT (Query,"can not register your answer to the game");
}
/*****************************************************************************/
/***************** Register that I have answered this game *****************/
/*****************************************************************************/
static void Rmt_RegisterIHaveAnsweredGame (long GamCod)
{
char Query[256];
sprintf (Query,"INSERT INTO game_users"
" (GamCod,UsrCod)"
" VALUES"
" (%ld,%ld)",
GamCod,Gbl.Usrs.Me.UsrDat.UsrCod);
DB_QueryINSERT (Query,"can not register that you have answered the game");
}
/*****************************************************************************/
/************** Register that you have answered this game ******************/
/*****************************************************************************/
static bool Rmt_CheckIfIHaveAnsweredGame (long GamCod)
{
char Query[256];
/***** Get number of games with a field value from database *****/
sprintf (Query,"SELECT COUNT(*) FROM game_users"
" WHERE GamCod=%ld AND UsrCod=%ld",
GamCod,Gbl.Usrs.Me.UsrDat.UsrCod);
return (DB_QueryCOUNT (Query,"can not check if you have answered a game") != 0);
}
/*****************************************************************************/
/*************** Register that you have answered this game *****************/
/*****************************************************************************/
static unsigned Rmt_GetNumUsrsWhoHaveAnsweredGame (long GamCod)
{
char Query[128];
/***** Get number of games with a field value from database *****/
sprintf (Query,"SELECT COUNT(*) FROM game_users WHERE GamCod=%ld",
GamCod);
return (unsigned) DB_QueryCOUNT (Query,"can not get number of users who have answered a game");
}
/*****************************************************************************/
/******************** Get number of courses with games *********************/
/*****************************************************************************/
// Returns the number of courses with games for courses
// in this location (all the platform, current degree or current course)
unsigned Rmt_GetNumCoursesWithCrsGames (Sco_Scope_t Scope)
{
extern const char *Sco_ScopeDB[Sco_NUM_SCOPES];
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumCourses;
/***** Get number of courses with games from database *****/
switch (Scope)
{
case Sco_SCOPE_SYS:
sprintf (Query,"SELECT COUNT(DISTINCT Cod)"
" FROM games"
" WHERE Scope='%s'",
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_CTY:
sprintf (Query,"SELECT COUNT(DISTINCT games.Cod)"
" FROM institutions,centres,degrees,courses,games"
" WHERE institutions.CtyCod=%ld"
" AND institutions.InsCod=centres.InsCod"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=games.Cod"
" AND games.Scope='%s'",
Gbl.CurrentIns.Ins.InsCod,
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_INS:
sprintf (Query,"SELECT COUNT(DISTINCT games.Cod)"
" FROM centres,degrees,courses,games"
" WHERE centres.InsCod=%ld"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=games.Cod"
" AND games.Scope='%s'",
Gbl.CurrentIns.Ins.InsCod,
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_CTR:
sprintf (Query,"SELECT COUNT(DISTINCT games.Cod)"
" FROM degrees,courses,games"
" WHERE degrees.CtrCod=%ld"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=games.Cod"
" AND games.Scope='%s'",
Gbl.CurrentCtr.Ctr.CtrCod,
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_DEG:
sprintf (Query,"SELECT COUNT(DISTINCT games.Cod)"
" FROM courses,games"
" WHERE courses.DegCod=%ld"
" AND courses.CrsCod=games.Cod"
" AND games.Scope='%s'",
Gbl.CurrentDeg.Deg.DegCod,
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_CRS:
sprintf (Query,"SELECT COUNT(DISTINCT Cod)"
" FROM games"
" WHERE Scope='%s' AND Cod=%ld",
Sco_ScopeDB[Sco_SCOPE_CRS],
Gbl.CurrentCrs.Crs.CrsCod);
break;
default:
Lay_ShowErrorAndExit ("Wrong scope.");
break;
}
DB_QuerySELECT (Query,&mysql_res,"can not get number of courses with games");
/***** Get number of games *****/
row = mysql_fetch_row (mysql_res);
if (sscanf (row[0],"%u",&NumCourses) != 1)
Lay_ShowErrorAndExit ("Error when getting number of courses with games.");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return NumCourses;
}
/*****************************************************************************/
/******************** Get number of games for courses **********************/
/*****************************************************************************/
// Returns the number of games for courses
// in this location (all the platform, current degree or current course)
unsigned Rmt_GetNumCrsGames (Sco_Scope_t Scope,unsigned *NumNotif)
{
extern const char *Sco_ScopeDB[Sco_NUM_SCOPES];
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumGames;
/***** Get number of games from database *****/
switch (Scope)
{
case Sco_SCOPE_SYS:
sprintf (Query,"SELECT COUNT(*),SUM(NumNotif)"
" FROM games"
" WHERE Scope='%s'",
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_CTY:
sprintf (Query,"SELECT COUNT(*),SUM(games.NumNotif)"
" FROM institutions,centres,degrees,courses,games"
" WHERE institutions.CtyCod=%ld"
" AND institutions.InsCod=centres.InsCod"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=games.Cod"
" AND games.Scope='%s'",
Gbl.CurrentCty.Cty.CtyCod,
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_INS:
sprintf (Query,"SELECT COUNT(*),SUM(games.NumNotif)"
" FROM centres,degrees,courses,games"
" WHERE centres.InsCod=%ld"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=games.Cod"
" AND games.Scope='%s'",
Gbl.CurrentIns.Ins.InsCod,
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_CTR:
sprintf (Query,"SELECT COUNT(*),SUM(games.NumNotif)"
" FROM degrees,courses,games"
" WHERE degrees.CtrCod=%ld"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=games.Cod"
" AND games.Scope='%s'",
Gbl.CurrentCtr.Ctr.CtrCod,
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_DEG:
sprintf (Query,"SELECT COUNT(*),SUM(games.NumNotif)"
" FROM courses,games"
" WHERE courses.DegCod=%ld"
" AND courses.CrsCod=games.Cod"
" AND games.Scope='%s'",
Gbl.CurrentDeg.Deg.DegCod,
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_CRS:
sprintf (Query,"SELECT COUNT(*),SUM(NumNotif)"
" FROM games"
" WHERE games.Scope='%s'"
" AND CrsCod=%ld",
Sco_ScopeDB[Sco_SCOPE_CRS],
Gbl.CurrentCrs.Crs.CrsCod);
break;
default:
Lay_ShowErrorAndExit ("Wrong scope.");
break;
}
DB_QuerySELECT (Query,&mysql_res,"can not get number of games");
/***** Get number of games *****/
row = mysql_fetch_row (mysql_res);
if (sscanf (row[0],"%u",&NumGames) != 1)
Lay_ShowErrorAndExit ("Error when getting number of games.");
/***** Get number of notifications by email *****/
if (row[1])
{
if (sscanf (row[1],"%u",NumNotif) != 1)
Lay_ShowErrorAndExit ("Error when getting number of notifications of games.");
}
else
*NumNotif = 0;
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return NumGames;
}
/*****************************************************************************/
/************ Get average number of questions per course game **************/
/*****************************************************************************/
float Rmt_GetNumQstsPerCrsGame (Sco_Scope_t Scope)
{
extern const char *Sco_ScopeDB[Sco_NUM_SCOPES];
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
float NumQstsPerGame;
/***** Get number of questions per game from database *****/
switch (Scope)
{
case Sco_SCOPE_SYS:
sprintf (Query,"SELECT AVG(NumQsts) FROM"
" (SELECT COUNT(game_questions.QstCod) AS NumQsts"
" FROM games,game_questions"
" WHERE games.Scope='%s'"
" AND games.GamCod=game_questions.GamCod"
" GROUP BY game_questions.GamCod) AS NumQstsTable",
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_CTY:
sprintf (Query,"SELECT AVG(NumQsts) FROM"
" (SELECT COUNT(game_questions.QstCod) AS NumQsts"
" FROM institutions,centres,degrees,courses,games,game_questions"
" WHERE institutions.CtyCod=%ld"
" AND institutions.InsCod=centres.InsCod"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=games.Cod"
" AND games.Scope='%s'"
" AND games.GamCod=game_questions.GamCod"
" GROUP BY game_questions.GamCod) AS NumQstsTable",
Gbl.CurrentCty.Cty.CtyCod,
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_INS:
sprintf (Query,"SELECT AVG(NumQsts) FROM"
" (SELECT COUNT(game_questions.QstCod) AS NumQsts"
" FROM centres,degrees,courses,games,game_questions"
" WHERE centres.InsCod=%ld"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=games.Cod"
" AND games.Scope='%s'"
" AND games.GamCod=game_questions.GamCod"
" GROUP BY game_questions.GamCod) AS NumQstsTable",
Gbl.CurrentIns.Ins.InsCod,
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_CTR:
sprintf (Query,"SELECT AVG(NumQsts) FROM"
" (SELECT COUNT(game_questions.QstCod) AS NumQsts"
" FROM degrees,courses,games,game_questions"
" WHERE degrees.CtrCod=%ld"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=games.Cod"
" AND games.Scope='%s'"
" AND games.GamCod=game_questions.GamCod"
" GROUP BY game_questions.GamCod) AS NumQstsTable",
Gbl.CurrentCtr.Ctr.CtrCod,
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_DEG:
sprintf (Query,"SELECT AVG(NumQsts) FROM"
" (SELECT COUNT(game_questions.QstCod) AS NumQsts"
" FROM courses,games,game_questions"
" WHERE courses.DegCod=%ld"
" AND courses.CrsCod=games.Cod"
" AND games.Scope='%s'"
" AND games.GamCod=game_questions.GamCod"
" GROUP BY game_questions.GamCod) AS NumQstsTable",
Gbl.CurrentDeg.Deg.DegCod,
Sco_ScopeDB[Sco_SCOPE_CRS]);
break;
case Sco_SCOPE_CRS:
sprintf (Query,"SELECT AVG(NumQsts) FROM"
" (SELECT COUNT(game_questions.QstCod) AS NumQsts"
" FROM games,game_questions"
" WHERE games.Scope='%s' AND games.Cod=%ld"
" AND games.GamCod=game_questions.GamCod"
" GROUP BY game_questions.GamCod) AS NumQstsTable",
Sco_ScopeDB[Sco_SCOPE_CRS],Gbl.CurrentCrs.Crs.CrsCod);
break;
default:
Lay_ShowErrorAndExit ("Wrong scope.");
break;
}
DB_QuerySELECT (Query,&mysql_res,"can not get number of questions per game");
/***** Get number of courses *****/
row = mysql_fetch_row (mysql_res);
NumQstsPerGame = Str_GetFloatNumFromStr (row[0]);
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return NumQstsPerGame;
}