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swad-core/swad_course.c

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// swad_course.c: edition of courses
/*
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) 1999-2016 Antonio Cañas 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 <limits.h> // For maximum values
#include <stdlib.h> // For getenv, etc.
#include <string.h> // For string functions
#include "swad_course.h"
#include "swad_constant.h"
#include "swad_database.h"
#include "swad_degree.h"
#include "swad_enrollment.h"
#include "swad_exam.h"
#include "swad_global.h"
#include "swad_help.h"
#include "swad_indicator.h"
#include "swad_logo.h"
#include "swad_notification.h"
#include "swad_parameter.h"
#include "swad_QR.h"
#include "swad_RSS.h"
#include "swad_tab.h"
#include "swad_theme.h"
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
/*****************************************************************************/
/*************************** Public constants ********************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private types *********************************/
/*****************************************************************************/
/*****************************************************************************/
/**************************** Private constants ******************************/
/*****************************************************************************/
#define Crs_MAX_LENGTH_FULL_NAME_COURSE_ON_LIST_OF_MY_COURSES 60
/*****************************************************************************/
/**************************** Private prototypes *****************************/
/*****************************************************************************/
static void Crs_Configuration (bool PrintView);
static void Crs_WriteListMyCoursesToSelectOne (void);
static void Crs_GetListCoursesInDegree (Crs_WhatCourses_t WhatCourses);
static void Crs_ListCourses (void);
static void Crs_EditCourses (void);
static void Crs_ListCoursesForSeeing (bool ICanEdit);
static void Crs_PutIconToEditCourses (void);
static bool Crs_ListCoursesOfAYearForSeeing (unsigned Year);
static void Crs_ListCoursesForEdition (void);
static bool Crs_CheckIfICanEdit (struct Course *Crs);
static Crs_StatusTxt_t Crs_GetStatusTxtFromStatusBits (Crs_Status_t Status);
static Crs_Status_t Crs_GetStatusBitsFromStatusTxt (Crs_StatusTxt_t StatusTxt);
static void Crs_PutFormToCreateCourse (void);
static void Crs_PutHeadCoursesForSeeing (void);
static void Crs_PutHeadCoursesForEdition (void);
static void Crs_RecFormRequestOrCreateCrs (unsigned Status);
static void Crs_GetParamsNewCourse (struct Course *Crs);
static bool Crs_CheckIfCourseNameExistsInCourses (long DegCod,unsigned Year,const char *FieldName,const char *Name,long CrsCod);
static void Crs_CreateCourse (struct Course *Crs,unsigned Status);
static void Crs_GetDataOfCourseFromRow (struct Course *Crs,MYSQL_ROW row);
static void Crs_EmptyCourseCompletely (long CrsCod);
static bool Crs_RenameCourse (struct Course *Crs,Cns_ShortOrFullName_t ShortOrFullName);
static void Crs_PutButtonToGoToCrs (struct Course *Crs);
static void Crs_PutLinkToSearchCourses (void);
static void Crs_PutLinkToSearchCoursesParams (void);
static void Crs_PutParamOtherCrsCod (long CrsCod);
static long Crs_GetParamOtherCrsCod (void);
static void Crs_WriteRowCrsData (unsigned NumCrs,MYSQL_ROW row,bool WriteColumnAccepted);
/*****************************************************************************/
/***************** Show introduction to the current course *******************/
/*****************************************************************************/
void Crs_ShowIntroduction (void)
{
/***** Course configuration *****/
fprintf (Gbl.F.Out,"<div class=\"CENTER_MIDDLE\">");
Crs_Configuration (false);
fprintf (Gbl.F.Out,"</div>");
/***** Course introduction *****/
Inf_ShowInfo ();
/***** Show help to enroll me *****/
Hlp_ShowHelpWhatWouldYouLikeToDo ();
}
/*****************************************************************************/
/***************** Print configuration of the current course *****************/
/*****************************************************************************/
void Crs_PrintConfiguration (void)
{
Crs_Configuration (true);
}
/*****************************************************************************/
/***************** Configuration of the current course ***********************/
/*****************************************************************************/
static void Crs_Configuration (bool PrintView)
{
extern const char *The_ClassForm[The_NUM_THEMES];
extern const char *Txt_Print;
extern const char *Txt_Course;
extern const char *Txt_Short_name;
extern const char *Txt_Year_OF_A_DEGREE;
extern const char *Txt_YEAR_OF_DEGREE[1+Deg_MAX_YEARS_PER_DEGREE];
extern const char *Txt_Not_applicable;
extern const char *Txt_Institutional_code;
extern const char *Txt_Internal_code;
extern const char *Txt_Shortcut;
extern const char *Txt_STR_LANG_ID[1+Txt_NUM_LANGUAGES];
extern const char *Txt_QR_code;
extern const char *Txt_ROLES_PLURAL_Abc[Rol_NUM_ROLES][Usr_NUM_SEXS];
extern const char *Txt_Indicators;
extern const char *Txt_of_PART_OF_A_TOTAL;
extern const char *Txt_Save;
unsigned Year;
struct Ind_IndicatorsCrs Indicators;
bool IsForm = (!PrintView && Gbl.Usrs.Me.LoggedRole >= Rol_TEACHER);
bool PutLink = !PrintView && Gbl.CurrentDeg.Deg.WWW[0];
/***** Messages and links above the frame *****/
if (!PrintView)
{
/***** Links to print view and request enrollment *****/
fprintf (Gbl.F.Out,"<div class=\"CONTEXT_MENU\">");
/* Link to print view */
Lay_PutContextualLink (ActPrnCrsInf,NULL,"print64x64.png",
Txt_Print,Txt_Print);
/* Link to request enrollment in the current course */
if (Gbl.Usrs.Me.LoggedRole == Rol__GUEST_ ||
Gbl.Usrs.Me.LoggedRole == Rol_VISITOR)
Enr_PutLinkToRequestSignUp ();
fprintf (Gbl.F.Out,"</div>");
/* Start form */
if (IsForm)
Act_FormStart (ActChgCrsLog);
}
/***** Start frame *****/
Lay_StartRoundFrameTable (NULL,2,NULL);
/***** Title *****/
fprintf (Gbl.F.Out,"<tr>"
"<td colspan=\"2\" class=\"TITLE_LOCATION\">");
if (PutLink)
fprintf (Gbl.F.Out,"<a href=\"%s\" target=\"_blank\""
" class=\"TITLE_LOCATION\" title=\"%s\">",
Gbl.CurrentDeg.Deg.WWW,
Gbl.CurrentDeg.Deg.FullName);
Log_DrawLogo (Sco_SCOPE_DEG,Gbl.CurrentDeg.Deg.DegCod,
Gbl.CurrentDeg.Deg.ShortName,64,NULL,true);
if (PutLink)
fprintf (Gbl.F.Out,"</a>");
fprintf (Gbl.F.Out,"<br />%s"
"</td>"
"</tr>",
Gbl.CurrentCrs.Crs.FullName);
/***** Course full name *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"%s RIGHT_MIDDLE\">"
"%s:"
"</td>"
"<td class=\"DAT_N LEFT_MIDDLE\">"
"%s"
"</td>"
"</tr>",
The_ClassForm[Gbl.Prefs.Theme],
Txt_Course,
Gbl.CurrentCrs.Crs.FullName);
/***** Course short name *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"%s RIGHT_MIDDLE\">"
"%s:"
"</td>"
"<td class=\"DAT LEFT_MIDDLE\">"
"%s"
"</td>"
"</tr>",
The_ClassForm[Gbl.Prefs.Theme],
Txt_Short_name,
Gbl.CurrentCrs.Crs.ShortName);
/***** Course year *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"%s RIGHT_MIDDLE\">"
"%s:"
"</td>"
"<td class=\"DAT LEFT_MIDDLE\">",
The_ClassForm[Gbl.Prefs.Theme],
Txt_Year_OF_A_DEGREE);
if (IsForm)
{
fprintf (Gbl.F.Out,"<select name=\"OthCrsYear\">");
for (Year = 0;
Year <= Deg_MAX_YEARS_PER_DEGREE;
Year++)
fprintf (Gbl.F.Out,"<option value=\"%u\"%s>%s</option>",
Year,
Year == Gbl.CurrentCrs.Crs.Year ? " selected=\"selected\"" :
"",
Txt_YEAR_OF_DEGREE[Year]);
fprintf (Gbl.F.Out,"</select>");
}
else
fprintf (Gbl.F.Out,"%s",
Gbl.CurrentCrs.Crs.Year ? Txt_YEAR_OF_DEGREE[Gbl.CurrentCrs.Crs.Year] :
Txt_Not_applicable);
fprintf (Gbl.F.Out,"</td>"
"</tr>");
if (!PrintView)
{
/***** Institutional code of the course *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"%s RIGHT_MIDDLE\">"
"%s:"
"</td>"
"<td class=\"DAT LEFT_MIDDLE\">",
The_ClassForm[Gbl.Prefs.Theme],
Txt_Institutional_code);
if (IsForm)
fprintf (Gbl.F.Out,"<input type=\"text\" name=\"InsCrsCod\""
" size=\"%u\" maxlength=\"%u\" value=\"%s\" />",
Crs_LENGTH_INSTITUTIONAL_CRS_COD,
Crs_LENGTH_INSTITUTIONAL_CRS_COD,
Gbl.CurrentCrs.Crs.InstitutionalCrsCod);
else
fprintf (Gbl.F.Out,"%s",Gbl.CurrentCrs.Crs.InstitutionalCrsCod);
fprintf (Gbl.F.Out,"</td>"
"</tr>");
/***** Internal code of the course *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"%s RIGHT_MIDDLE\">"
"%s:"
"</td>"
"<td class=\"DAT LEFT_MIDDLE\">"
"%ld"
"</td>"
"</tr>",
The_ClassForm[Gbl.Prefs.Theme],
Txt_Internal_code,
Gbl.CurrentCrs.Crs.CrsCod);
}
/***** Link to the course *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"%s RIGHT_MIDDLE\">"
"%s:"
"</td>"
"<td class=\"DAT LEFT_MIDDLE\">"
"<a href=\"%s/%s?crs=%ld\" class=\"DAT\" target=\"_blank\">"
"%s/%s?crs=%ld</a>"
"</td>"
"</tr>",
The_ClassForm[Gbl.Prefs.Theme],
Txt_Shortcut,
Cfg_HTTPS_URL_SWAD_CGI,
Txt_STR_LANG_ID[Gbl.Prefs.Language],
Gbl.CurrentCrs.Crs.CrsCod,
Cfg_HTTPS_URL_SWAD_CGI,
Txt_STR_LANG_ID[Gbl.Prefs.Language],
Gbl.CurrentCrs.Crs.CrsCod);
if (PrintView)
{
/***** QR code with link to the course *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"%s RIGHT_MIDDLE\">"
"%s:"
"</td>"
"<td class=\"DAT LEFT_MIDDLE\">",
The_ClassForm[Gbl.Prefs.Theme],
Txt_QR_code);
QR_LinkTo (250,"crs",Gbl.CurrentCrs.Crs.CrsCod);
fprintf (Gbl.F.Out,"</td>"
"</tr>");
}
else
{
/***** Number of teachers *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"%s RIGHT_MIDDLE\">"
"%s:"
"</td>"
"<td class=\"DAT LEFT_MIDDLE\">"
"%u"
"</td>"
"</tr>",
The_ClassForm[Gbl.Prefs.Theme],
Txt_ROLES_PLURAL_Abc[Rol_TEACHER][Usr_SEX_UNKNOWN],Gbl.CurrentCrs.Crs.NumTchs);
/***** Number of students *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"%s RIGHT_MIDDLE\">"
"%s:"
"</td>"
"<td class=\"DAT LEFT_MIDDLE\">"
"%u"
"</td>"
"</tr>",
The_ClassForm[Gbl.Prefs.Theme],
Txt_ROLES_PLURAL_Abc[Rol_STUDENT][Usr_SEX_UNKNOWN],Gbl.CurrentCrs.Crs.NumStds);
/***** Indicators *****/
Ind_GetIndicatorsCrs (Gbl.CurrentCrs.Crs.CrsCod,&Indicators);
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"%s RIGHT_MIDDLE\">"
"%s:"
"</td>"
"<td class=\"DAT LEFT_MIDDLE\">"
"<a href=\"%s/?crs=%ld&amp;act=%ld\" target=\"_blank\" class=\"DAT\">"
"%u %s %u "
"<img src=\"%s/%s16x16.gif\""
" alt=\"%u %s %u\" title=\"%u %s %u\""
" class=\"ICON20x20\" />"
"</a>"
"</td>"
"</tr>",
The_ClassForm[Gbl.Prefs.Theme],
Txt_Indicators,
Cfg_HTTPS_URL_SWAD_CGI,Gbl.CurrentCrs.Crs.CrsCod,Act_Actions[ActReqStaCrs].ActCod,
Indicators.CountIndicators,Txt_of_PART_OF_A_TOTAL,Ind_NUM_INDICATORS,
Gbl.Prefs.IconsURL,
(Indicators.CountIndicators == Ind_NUM_INDICATORS) ? "ok_green" :
"warning",
Indicators.CountIndicators,Txt_of_PART_OF_A_TOTAL,Ind_NUM_INDICATORS,
Indicators.CountIndicators,Txt_of_PART_OF_A_TOTAL,Ind_NUM_INDICATORS);
}
/***** Send button and end frame *****/
if (IsForm)
Lay_EndRoundFrameTableWithButton (Lay_CONFIRM_BUTTON,Txt_Save);
else
Lay_EndRoundFrameTable ();
/***** End form *****/
if (IsForm)
Act_FormEnd ();
}
/*****************************************************************************/
/******************** Change the configuration of a course *******************/
/*****************************************************************************/
void Crs_ChangeCourseConfig (void)
{
extern const char *Txt_The_configuration_of_the_course_X_has_been_updated;
char Query[512];
char YearStr[2+1];
/***** Get parameters from form *****/
/* Get institutional code */
Par_GetParToText ("InsCrsCod",Gbl.CurrentCrs.Crs.InstitutionalCrsCod,Crs_LENGTH_INSTITUTIONAL_CRS_COD);
/* Get year */
Par_GetParToText ("OthCrsYear",YearStr,2);
Gbl.CurrentCrs.Crs.Year = Deg_ConvStrToYear (YearStr);
/***** Update table of degree types *****/
sprintf (Query,"UPDATE courses SET InsCrsCod='%s',Year='%u'"
" WHERE CrsCod='%ld'",
Gbl.CurrentCrs.Crs.InstitutionalCrsCod,
Gbl.CurrentCrs.Crs.Year,
Gbl.CurrentCrs.Crs.CrsCod);
DB_QueryUPDATE (Query,"can not update the configuration of a course");
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_The_configuration_of_the_course_X_has_been_updated,
Gbl.CurrentCrs.Crs.ShortName);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Show the form again *****/
Crs_ShowIntroduction ();
}
/*****************************************************************************/
/************************ Write menu with my courses *************************/
/*****************************************************************************/
#define Crs_MAX_BYTES_TXT_LINK 40
static void Crs_WriteListMyCoursesToSelectOne (void)
{
extern const char *The_ClassForm[The_NUM_THEMES];
extern const char *The_ClassFormDark[The_NUM_THEMES];
extern const char *Txt_My_courses;
extern const char *Txt_System;
extern const char *Txt_Go_to_X;
struct Country Cty;
struct Institution Ins;
struct Centre Ctr;
struct Degree Deg;
struct Course Crs;
char InsFullName[Ins_MAX_LENGTH_INSTITUTION_FULL_NAME+1];
char CtrFullName[Ctr_MAX_LENGTH_CENTRE_FULL_NAME+1];
char DegFullName[Deg_MAX_LENGTH_DEGREE_FULL_NAME+1];
char CrsFullName[Crs_MAX_LENGTH_COURSE_FULL_NAME+1];
bool IsLastItemInLevel[1+5];
bool Highlight; // Highlight because degree, course, etc. is selected
MYSQL_RES *mysql_resCty;
MYSQL_RES *mysql_resIns;
MYSQL_RES *mysql_resCtr;
MYSQL_RES *mysql_resDeg;
MYSQL_RES *mysql_resCrs;
MYSQL_ROW row;
unsigned NumCty,NumCtys;
unsigned NumIns,NumInss;
unsigned NumCtr,NumCtrs;
unsigned NumDeg,NumDegs;
unsigned NumCrs,NumCrss;
char ActTxt[Act_MAX_LENGTH_ACTION_TXT+1];
char PathRelRSSFile[PATH_MAX+1];
char ClassNormal[64];
char ClassHighlight[64];
strcpy (ClassNormal,The_ClassForm[Gbl.Prefs.Theme]);
sprintf (ClassHighlight,"%s LIGHT_BLUE",The_ClassFormDark[Gbl.Prefs.Theme]);
/***** Table start *****/
Lay_StartRoundFrame (NULL,Txt_My_courses,NULL);
fprintf (Gbl.F.Out,"<div class=\"CENTER_MIDDLE\""
" style=\"display:inline-block;\">"
"<ul class=\"LIST_LEFT\">");
/***** Write link to platform *****/
Highlight = (Gbl.CurrentCty.Cty.CtyCod <= 0);
fprintf (Gbl.F.Out,"<li class=\"%s\" style=\"height:25px;\">",
Highlight ? ClassHighlight :
ClassNormal);
Act_FormStart (ActMyCrs);
Cty_PutParamCtyCod (-1L);
Act_LinkFormSubmit (Txt_System,
Highlight ? ClassHighlight :
ClassNormal);
fprintf (Gbl.F.Out,"<img src=\"%s/sys64x64.gif\""
" alt=\"%s\" title=\"%s\""
" class=\"ICON20x20\" />&nbsp;%s</a>",
Gbl.Prefs.IconsURL,
Txt_System,
Txt_System,
Txt_System);
Act_FormEnd ();
fprintf (Gbl.F.Out,"</li>");
/***** Get my countries *****/
NumCtys = Usr_GetCtysFromUsr (Gbl.Usrs.Me.UsrDat.UsrCod,&mysql_resCty);
for (NumCty = 0;
NumCty < NumCtys;
NumCty++)
{
/***** Get next institution *****/
row = mysql_fetch_row (mysql_resCty);
/***** Get data of this institution *****/
Cty.CtyCod = Str_ConvertStrCodToLongCod (row[0]);
if (!Cty_GetDataOfCountryByCod (&Cty,Cty_GET_BASIC_DATA))
Lay_ShowErrorAndExit ("Country not found.");
/***** Write link to country *****/
Highlight = (Gbl.CurrentIns.Ins.InsCod <= 0 &&
Gbl.CurrentCty.Cty.CtyCod == Cty.CtyCod);
fprintf (Gbl.F.Out,"<li class=\"%s\" style=\"height:25px;\">",
Highlight ? ClassHighlight :
ClassNormal);
IsLastItemInLevel[1] = (NumCty == NumCtys - 1);
Lay_IndentDependingOnLevel (1,IsLastItemInLevel);
Act_FormStart (ActMyCrs);
Cty_PutParamCtyCod (Cty.CtyCod);
Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_Actions[ActSeeCtyInf].ActCod,ActTxt),
Highlight ? ClassHighlight :
ClassNormal);
/* Country map */
fprintf (Gbl.F.Out,"<img src=\"%s/%s/%s/%s.png\""
" alt=\"%s\" title=\"%s\""
" class=\"ICON20x20\" />&nbsp;%s</a>",
Gbl.Prefs.IconsURL,Cfg_ICON_FOLDER_COUNTRIES,
Cty.Alpha2,
Cty.Alpha2,
Cty.Alpha2,
Cty.Name[Gbl.Prefs.Language],
Cty.Name[Gbl.Prefs.Language]);
Act_FormEnd ();
fprintf (Gbl.F.Out,"</li>");
/***** Get my institutions in this country *****/
NumInss = (unsigned) Usr_GetInssFromUsr (Gbl.Usrs.Me.UsrDat.UsrCod,
Cty.CtyCod,&mysql_resIns);
for (NumIns = 0;
NumIns < NumInss;
NumIns++)
{
/***** Get next institution *****/
row = mysql_fetch_row (mysql_resIns);
/***** Get data of this institution *****/
Ins.InsCod = Str_ConvertStrCodToLongCod (row[0]);
if (!Ins_GetDataOfInstitutionByCod (&Ins,Ins_GET_BASIC_DATA))
Lay_ShowErrorAndExit ("Institution not found.");
/***** Write link to institution *****/
Highlight = (Gbl.CurrentCtr.Ctr.CtrCod <= 0 &&
Gbl.CurrentIns.Ins.InsCod == Ins.InsCod);
fprintf (Gbl.F.Out,"<li class=\"%s\" style=\"height:25px;\">",
Highlight ? ClassHighlight :
ClassNormal);
IsLastItemInLevel[2] = (NumIns == NumInss - 1);
Lay_IndentDependingOnLevel (2,IsLastItemInLevel);
Act_FormStart (ActMyCrs);
Ins_PutParamInsCod (Ins.InsCod);
Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_Actions[ActSeeInsInf].ActCod,ActTxt),
Highlight ? ClassHighlight :
ClassNormal);
Log_DrawLogo (Sco_SCOPE_INS,Ins.InsCod,Ins.ShortName,20,NULL,true);
strcpy (InsFullName,Ins.FullName);
Str_LimitLengthHTMLStr (InsFullName,Crs_MAX_BYTES_TXT_LINK);
fprintf (Gbl.F.Out,"&nbsp;%s</a>",InsFullName);
Act_FormEnd ();
fprintf (Gbl.F.Out,"</li>");
/***** Get my centres in this institution *****/
NumCtrs = (unsigned) Usr_GetCtrsFromUsr (Gbl.Usrs.Me.UsrDat.UsrCod,
Ins.InsCod,&mysql_resCtr);
for (NumCtr = 0;
NumCtr < NumCtrs;
NumCtr++)
{
/***** Get next centre *****/
row = mysql_fetch_row (mysql_resCtr);
/***** Get data of this centre *****/
Ctr.CtrCod = Str_ConvertStrCodToLongCod (row[0]);
if (!Ctr_GetDataOfCentreByCod (&Ctr))
Lay_ShowErrorAndExit ("Centre not found.");
/***** Write link to centre *****/
Highlight = (Gbl.CurrentDeg.Deg.DegCod <= 0 &&
Gbl.CurrentCtr.Ctr.CtrCod == Ctr.CtrCod);
fprintf (Gbl.F.Out,"<li class=\"%s\" style=\"height:25px;\">",
Highlight ? ClassHighlight :
ClassNormal);
IsLastItemInLevel[3] = (NumCtr == NumCtrs - 1);
Lay_IndentDependingOnLevel (3,IsLastItemInLevel);
Act_FormStart (ActMyCrs);
Ctr_PutParamCtrCod (Ctr.CtrCod);
Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_Actions[ActSeeCtrInf].ActCod,ActTxt),
Highlight ? ClassHighlight :
ClassNormal);
Log_DrawLogo (Sco_SCOPE_CTR,Ctr.CtrCod,Ctr.ShortName,20,NULL,true);
strcpy (CtrFullName,Ctr.FullName);
Str_LimitLengthHTMLStr (CtrFullName,Crs_MAX_BYTES_TXT_LINK);
fprintf (Gbl.F.Out,"&nbsp;%s</a>",CtrFullName);
Act_FormEnd ();
fprintf (Gbl.F.Out,"</li>");
/***** Get my degrees in this centre *****/
NumDegs = (unsigned) Usr_GetDegsFromUsr (Gbl.Usrs.Me.UsrDat.UsrCod,
Ctr.CtrCod,&mysql_resDeg);
for (NumDeg = 0;
NumDeg < NumDegs;
NumDeg++)
{
/***** Get next degree *****/
row = mysql_fetch_row (mysql_resDeg);
/***** Get data of this degree *****/
Deg.DegCod = Str_ConvertStrCodToLongCod (row[0]);
if (!Deg_GetDataOfDegreeByCod (&Deg))
Lay_ShowErrorAndExit ("Degree not found.");
/***** Write link to degree *****/
Highlight = (Gbl.CurrentCrs.Crs.CrsCod <= 0 &&
Gbl.CurrentDeg.Deg.DegCod == Deg.DegCod);
fprintf (Gbl.F.Out,"<li class=\"%s\" style=\"height:25px;\">",
Highlight ? ClassHighlight :
ClassNormal);
IsLastItemInLevel[4] = (NumDeg == NumDegs - 1);
Lay_IndentDependingOnLevel (4,IsLastItemInLevel);
Act_FormStart (ActMyCrs);
Deg_PutParamDegCod (Deg.DegCod);
Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_Actions[ActSeeDegInf].ActCod,ActTxt),
Highlight ? ClassHighlight :
ClassNormal);
Log_DrawLogo (Sco_SCOPE_DEG,Deg.DegCod,Deg.ShortName,20,NULL,true);
strcpy (DegFullName,Deg.FullName);
Str_LimitLengthHTMLStr (DegFullName,Crs_MAX_BYTES_TXT_LINK);
fprintf (Gbl.F.Out,"&nbsp;%s</a>",DegFullName);
Act_FormEnd ();
fprintf (Gbl.F.Out,"</li>");
/***** Get my courses in this degree *****/
NumCrss = (unsigned) Usr_GetCrssFromUsr (Gbl.Usrs.Me.UsrDat.UsrCod,
Deg.DegCod,&mysql_resCrs);
for (NumCrs = 0;
NumCrs < NumCrss;
NumCrs++)
{
/***** Get next course *****/
row = mysql_fetch_row (mysql_resCrs);
/***** Get data of this course *****/
Crs.CrsCod = Str_ConvertStrCodToLongCod (row[0]);
if (!Crs_GetDataOfCourseByCod (&Crs))
Lay_ShowErrorAndExit ("Course not found.");
/***** Write link to course *****/
Highlight = (Gbl.CurrentCrs.Crs.CrsCod == Crs.CrsCod);
fprintf (Gbl.F.Out,"<li class=\"%s\" style=\"height:25px;\">",
Highlight ? ClassHighlight :
ClassNormal);
IsLastItemInLevel[5] = (NumCrs == NumCrss - 1);
Lay_IndentDependingOnLevel (5,IsLastItemInLevel);
Act_FormStart (ActMyCrs);
Crs_PutParamCrsCod (Crs.CrsCod);
sprintf (Gbl.Title,Txt_Go_to_X,Crs.ShortName);
Act_LinkFormSubmit (Gbl.Title,
Highlight ? ClassHighlight :
ClassNormal);
fprintf (Gbl.F.Out,"<img src=\"%s/dot64x64.png\""
" alt=\"%s\" title=\"%s\""
" class=\"ICON20x20\" />",
Gbl.Prefs.IconsURL,
Crs.ShortName,
Crs.FullName);
strcpy (CrsFullName,Crs.FullName);
Str_LimitLengthHTMLStr (CrsFullName,Crs_MAX_BYTES_TXT_LINK);
fprintf (Gbl.F.Out,"&nbsp;%s</a>",CrsFullName);
Act_FormEnd ();
/***** Write link to RSS file *****/
sprintf (PathRelRSSFile,"%s/%s/%ld/%s/%s",
Cfg_PATH_SWAD_PUBLIC,Cfg_FOLDER_CRS,Crs.CrsCod,Cfg_RSS_FOLDER,Cfg_RSS_FILE);
if (!Fil_CheckIfPathExists (PathRelRSSFile))
RSS_UpdateRSSFileForACrs (&Crs);
fprintf (Gbl.F.Out," <a href=\"");
RSS_WriteRSSLink (Gbl.F.Out,Crs.CrsCod);
fprintf (Gbl.F.Out,"\" target=\"_blank\">"
"<img src=\"%s/rss16x16.gif\""
" alt=\"RSS\" title=\"RSS\""
" class=\"ICON20x20\" />"
"</a>",
Gbl.Prefs.IconsURL);
fprintf (Gbl.F.Out,"</li>");
}
/* Free structure that stores the query result */
DB_FreeMySQLResult (&mysql_resCrs);
}
/* Free structure that stores the query result */
DB_FreeMySQLResult (&mysql_resDeg);
}
/* Free structure that stores the query result */
DB_FreeMySQLResult (&mysql_resCtr);
}
/* Free structure that stores the query result */
DB_FreeMySQLResult (&mysql_resIns);
}
/* Free structure that stores the query result */
DB_FreeMySQLResult (&mysql_resCty);
/***** End frame *****/
fprintf (Gbl.F.Out,"</ul>"
"</div>");
Lay_EndRoundFrame ();
}
/*****************************************************************************/
/*********************** Get total number of courses *************************/
/*****************************************************************************/
unsigned Crs_GetNumCrssTotal (void)
{
char Query[256];
/***** Get total number of courses from database *****/
sprintf (Query,"SELECT COUNT(*) FROM courses");
return (unsigned) DB_QueryCOUNT (Query,"can not get the total number of courses");
}
/*****************************************************************************/
/****************** Get number of courses in a country ***********************/
/*****************************************************************************/
unsigned Crs_GetNumCrssInCty (long CtyCod)
{
char Query[256];
/***** Get number of courses in a country from database *****/
sprintf (Query,"SELECT COUNT(*) FROM institutions,centres,degrees,courses"
" WHERE institutions.CtyCod='%ld'"
" AND institutions.InsCod=centres.InsCod"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod",
CtyCod);
return (unsigned) DB_QueryCOUNT (Query,"can not get the number of courses in a country");
}
/*****************************************************************************/
/**************** Get number of courses in an institution ********************/
/*****************************************************************************/
unsigned Crs_GetNumCrssInIns (long InsCod)
{
char Query[256];
/***** Get number of courses in a degree from database *****/
sprintf (Query,"SELECT COUNT(*) FROM centres,degrees,courses"
" WHERE centres.InsCod='%ld'"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod",
InsCod);
return (unsigned) DB_QueryCOUNT (Query,"can not get the number of courses in an institution");
}
/*****************************************************************************/
/******************** Get number of courses in a centre **********************/
/*****************************************************************************/
unsigned Crs_GetNumCrssInCtr (long CtrCod)
{
char Query[256];
/***** Get number of courses in a degree from database *****/
sprintf (Query,"SELECT COUNT(*) FROM degrees,courses"
" WHERE degrees.CtrCod='%ld'"
" AND degrees.DegCod=courses.DegCod",
CtrCod);
return (unsigned) DB_QueryCOUNT (Query,"can not get the number of courses in a centre");
}
/*****************************************************************************/
/******************** Get number of courses in a degree **********************/
/*****************************************************************************/
unsigned Crs_GetNumCrssInDeg (long DegCod)
{
char Query[128];
/***** Get number of courses in a degree from database *****/
sprintf (Query,"SELECT COUNT(*) FROM courses"
" WHERE DegCod='%ld'",
DegCod);
return (unsigned) DB_QueryCOUNT (Query,"can not get the number of courses in a degree");
}
/*****************************************************************************/
/********************* Get number of courses with users **********************/
/*****************************************************************************/
unsigned Crs_GetNumCrssWithUsrs (Rol_Role_t Role,const char *SubQuery)
{
char Query[512];
/***** Get number of degrees with users from database *****/
sprintf (Query,"SELECT COUNT(DISTINCT courses.CrsCod)"
" FROM institutions,centres,degrees,courses,crs_usr"
" WHERE %sinstitutions.InsCod=centres.InsCod"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=crs_usr.CrsCod"
" AND crs_usr.Role='%u'",
SubQuery,(unsigned) Role);
return (unsigned) DB_QueryCOUNT (Query,"can not get number of courses with users");
}
/*****************************************************************************/
/*************************** Write selector of course ************************/
/*****************************************************************************/
void Crs_WriteSelectorOfCourse (void)
{
extern const char *Txt_Course;
char Query[512];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumCrss;
unsigned NumCrs;
long CrsCod;
/***** Start form *****/
Act_FormGoToStart (ActSeeCrsInf);
fprintf (Gbl.F.Out,"<select name=\"crs\" style=\"width:175px;\"");
if (Gbl.CurrentDeg.Deg.DegCod > 0)
fprintf (Gbl.F.Out," onchange=\"document.getElementById('%s').submit();\"",
Gbl.Form.Id);
else
fprintf (Gbl.F.Out," disabled=\"disabled\"");
fprintf (Gbl.F.Out,"><option value=\"\"");
if (Gbl.CurrentCrs.Crs.CrsCod < 0)
fprintf (Gbl.F.Out," selected=\"selected\"");
fprintf (Gbl.F.Out," disabled=\"disabled\">[%s]</option>",
Txt_Course);
if (Gbl.CurrentDeg.Deg.DegCod > 0)
{
/***** Get courses belonging to the current degree from database *****/
sprintf (Query,"SELECT CrsCod,ShortName FROM courses"
" WHERE DegCod='%ld'"
" ORDER BY ShortName",
Gbl.CurrentDeg.Deg.DegCod);
NumCrss = (unsigned) DB_QuerySELECT (Query,&mysql_res,"can not get courses of a degree");
/***** Get courses of this degree *****/
for (NumCrs = 0;
NumCrs < NumCrss;
NumCrs++)
{
/* Get next course */
row = mysql_fetch_row (mysql_res);
/* Get course code (row[0]) */
if ((CrsCod = Str_ConvertStrCodToLongCod (row[0])) < 0)
Lay_ShowErrorAndExit ("Wrong course.");
/* Write option */
fprintf (Gbl.F.Out,"<option value=\"%ld\"",CrsCod);
if (Gbl.CurrentCrs.Crs.CrsCod > 0 &&
(CrsCod == Gbl.CurrentCrs.Crs.CrsCod))
fprintf (Gbl.F.Out," selected=\"selected\"");
fprintf (Gbl.F.Out,">%s</option>",row[1]);
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/***** End form *****/
fprintf (Gbl.F.Out,"</select>");
Act_FormEnd ();
}
/*****************************************************************************/
/************************** Show courses of a degree *************************/
/*****************************************************************************/
void Crs_ShowCrssOfCurrentDeg (void)
{
if (Gbl.CurrentDeg.Deg.DegCod > 0)
{
/***** Get list of courses in this degree *****/
Crs_GetListCoursesInDegree (Crs_ALL_COURSES_EXCEPT_REMOVED);
/***** Write menu to select country, institution, centre and degree *****/
Deg_WriteMenuAllCourses ();
/***** Show list of courses *****/
Crs_ListCourses ();
/***** Free list of courses in this degree *****/
Crs_FreeListCoursesInDegree (&Gbl.CurrentDeg.Deg);
}
}
/*****************************************************************************/
/************************ Request edition of courses *************************/
/*****************************************************************************/
void Crs_ReqEditCourses (void)
{
if (Gbl.CurrentDeg.Deg.DegCod > 0)
{
/***** Get list of courses in this degree *****/
Crs_GetListCoursesInDegree (Crs_ALL_COURSES_EXCEPT_REMOVED);
/***** Get list of degrees administrated by me *****/
Deg_GetListDegsAdminByMe ();
/***** Put form to edit courses *****/
Crs_EditCourses ();
/***** Free list of courses in this degree *****/
Crs_FreeListCoursesInDegree (&Gbl.CurrentDeg.Deg);
/***** Free list of degrees administrated by me *****/
Deg_FreeListMyAdminDegs ();
}
}
/*****************************************************************************/
/**************** Create a list with courses in this degree ******************/
/*****************************************************************************/
static void Crs_GetListCoursesInDegree (Crs_WhatCourses_t WhatCourses)
{
char Query[512];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRows;
unsigned NumCrs;
struct Course *Crs;
/***** Get courses of a degree from database *****/
switch (WhatCourses)
{
case Crs_ACTIVE_COURSES:
sprintf (Query,"SELECT CrsCod,DegCod,Year,InsCrsCod,Status,RequesterUsrCod,ShortName,FullName"
" FROM courses WHERE DegCod='%ld' AND Status=0"
" ORDER BY Year,ShortName",
Gbl.CurrentDeg.Deg.DegCod);
break;
case Crs_ALL_COURSES_EXCEPT_REMOVED:
sprintf (Query,"SELECT CrsCod,DegCod,Year,InsCrsCod,Status,RequesterUsrCod,ShortName,FullName"
" FROM courses WHERE DegCod='%ld' AND (Status & %u)=0"
" ORDER BY Year,ShortName",
Gbl.CurrentDeg.Deg.DegCod,
(unsigned) Crs_STATUS_BIT_REMOVED);
break;
default:
break;
}
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get the courses of a degree");
if (NumRows) // Courses found...
{
// NumRows should be equal to Deg->NumCrss
Gbl.CurrentDeg.Deg.NumCrss = (unsigned) NumRows;
/***** Create list with courses in degree *****/
if ((Gbl.CurrentDeg.Deg.LstCrss = (struct Course *) calloc (NumRows,sizeof (struct Course))) == NULL)
Lay_ShowErrorAndExit ("Not enough memory to store the courses of a degree.");
/***** Get the courses in degree *****/
for (NumCrs = 0;
NumCrs < Gbl.CurrentDeg.Deg.NumCrss;
NumCrs++)
{
Crs = &(Gbl.CurrentDeg.Deg.LstCrss[NumCrs]);
/* Get next course */
row = mysql_fetch_row (mysql_res);
Crs_GetDataOfCourseFromRow (Crs,row);
}
}
else
Gbl.CurrentDeg.Deg.NumCrss = 0;
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/********************* Free list of courses in this degree *******************/
/*****************************************************************************/
void Crs_FreeListCoursesInDegree (struct Degree *Deg)
{
if (Deg->LstCrss)
{
/***** Free memory used by the list of courses in degree *****/
free ((void *) Deg->LstCrss);
Deg->LstCrss = NULL;
Deg->NumCrss = 0;
}
}
/*****************************************************************************/
/********************** Write selector of my coursess ************************/
/*****************************************************************************/
void Crs_WriteSelectorMyCourses (void)
{
extern const char *Txt_Course;
unsigned NumMyCrs;
bool IBelongToCurrentCrs = false;
long CrsCod;
long DegCod;
long LastDegCod;
char CrsShortName[Crs_MAX_LENGTH_COURSE_SHORT_NAME+1];
char DegShortName[Deg_MAX_LENGTH_DEGREE_SHORT_NAME+1];
/***** Fill the list with the courses I belong to, if not filled *****/
if (Gbl.Usrs.Me.Logged)
Usr_GetMyCourses ();
/***** Start form *****/
Act_FormGoToStart (Gbl.Usrs.Me.MyCourses.Num ? ActSeeCrsInf :
ActSysReqSch);
/***** Start of selector of courses *****/
fprintf (Gbl.F.Out,"<select name=\"CrsCod\""
" style=\"width:130px; margin:1px;\""
" onchange=\"document.getElementById('%s').submit();\">",
Gbl.Form.Id);
/***** Write an option when no course selected *****/
if (Gbl.CurrentCrs.Crs.CrsCod <= 0)
fprintf (Gbl.F.Out,"<option value=\"-1\" disabled=\"disabled\""
" selected=\"selected\">"
"%s"
"</option>",
Txt_Course);
if (Gbl.Usrs.Me.MyCourses.Num)
{
/***** Write an option for each of my courses *****/
for (NumMyCrs = 0, LastDegCod = -1L;
NumMyCrs < Gbl.Usrs.Me.MyCourses.Num;
NumMyCrs++)
{
CrsCod = Gbl.Usrs.Me.MyCourses.Crss[NumMyCrs].CrsCod;
DegCod = Gbl.Usrs.Me.MyCourses.Crss[NumMyCrs].DegCod;
Crs_GetShortNamesByCod (CrsCod,CrsShortName,DegShortName);
if (DegCod != LastDegCod)
{
fprintf (Gbl.F.Out,"<option value=\"-1\" disabled=\"disabled\">"
"--- %s ---"
"</option>",
DegShortName);
LastDegCod = DegCod;
}
fprintf (Gbl.F.Out,"<option value=\"%ld\"",
Gbl.Usrs.Me.MyCourses.Crss[NumMyCrs].CrsCod);
if (Gbl.CurrentCrs.Crs.CrsCod > 0 &&
CrsCod == Gbl.CurrentCrs.Crs.CrsCod)
{
fprintf (Gbl.F.Out," selected=\"selected\"");
IBelongToCurrentCrs = true;
}
fprintf (Gbl.F.Out,">%s</option>",CrsShortName);
}
}
if (Gbl.CurrentCrs.Crs.CrsCod > 0)
{
if (!IBelongToCurrentCrs)
{
/***** Blank option to separate *****/
if (Gbl.Usrs.Me.MyCourses.Num)
fprintf (Gbl.F.Out,"<option value=\"-1\" disabled=\"disabled\">"
"------------"
"</option>");
/***** Write an option with the current course *****/
fprintf (Gbl.F.Out,"<option value=\"%ld\" selected=\"selected\">%s</option>",
Gbl.CurrentCrs.Crs.CrsCod,
Gbl.CurrentCrs.Crs.ShortName);
}
}
/***** End form *****/
fprintf (Gbl.F.Out,"</select>");
Act_FormEnd ();
}
/*****************************************************************************/
/************************* List courses in this degree ***********************/
/*****************************************************************************/
static void Crs_ListCourses (void)
{
extern const char *Txt_No_courses_have_been_created_in_this_degree;
extern const char *Txt_Create_another_course;
extern const char *Txt_Create_course;
bool ICanEdit = (Gbl.Usrs.Me.LoggedRole >= Rol__GUEST_);
if (Gbl.CurrentDeg.Deg.NumCrss) // There are courses in the current degree
Crs_ListCoursesForSeeing (ICanEdit);
else // No courses created in the current degree
Lay_ShowAlert (Lay_INFO,Txt_No_courses_have_been_created_in_this_degree);
if (ICanEdit)
{
Act_FormStart (ActEdiCrs);
Lay_PutConfirmButton (Gbl.CurrentDeg.Deg.NumCrss ? Txt_Create_another_course :
Txt_Create_course);
Act_FormEnd ();
}
}
/*****************************************************************************/
/****************** Put forms to edit courses in this degree *****************/
/*****************************************************************************/
static void Crs_EditCourses (void)
{
/***** Put a form to create or request a new course *****/
Crs_PutFormToCreateCourse ();
/***** Forms to edit current courses *****/
if (Gbl.CurrentDeg.Deg.NumCrss)
Crs_ListCoursesForEdition ();
}
/*****************************************************************************/
/********************** List current courses for seeing **********************/
/*****************************************************************************/
static void Crs_ListCoursesForSeeing (bool ICanEdit)
{
extern const char *Txt_Courses_of_DEGREE_X;
unsigned Year;
/***** Write heading *****/
sprintf (Gbl.Title,Txt_Courses_of_DEGREE_X,
Gbl.CurrentDeg.Deg.ShortName);
Lay_StartRoundFrame (NULL,Gbl.Title,
ICanEdit ? Crs_PutIconToEditCourses :
NULL);
fprintf (Gbl.F.Out,"<table class=\"FRAME_TABLE CELLS_PAD_2\">");
Crs_PutHeadCoursesForSeeing ();
/***** List the courses *****/
for (Year = 1;
Year <= Deg_MAX_YEARS_PER_DEGREE;
Year++)
if (Crs_ListCoursesOfAYearForSeeing (Year)) // If this year has courses ==>
Gbl.RowEvenOdd = 1 - Gbl.RowEvenOdd; // ==> change color for the next year
Crs_ListCoursesOfAYearForSeeing (0); // Courses without a year selected
/***** Table end *****/
fprintf (Gbl.F.Out,"</table>");
Lay_EndRoundFrame ();
}
/*****************************************************************************/
/********************** Put link (form) to edit courses **********************/
/*****************************************************************************/
static void Crs_PutIconToEditCourses (void)
{
extern const char *Txt_Edit;
Lay_PutContextualLink (ActEdiCrs,NULL,"edit64x64.png",Txt_Edit,NULL);
}
/*****************************************************************************/
/********************* List courses of a year for seeing *********************/
/*****************************************************************************/
// Return true if this year has courses
static bool Crs_ListCoursesOfAYearForSeeing (unsigned Year)
{
extern const char *Txt_COURSE_With_users;
extern const char *Txt_COURSE_Without_users;
extern const char *Txt_YEAR_OF_DEGREE[1+Deg_MAX_YEARS_PER_DEGREE];
extern const char *Txt_Go_to_X;
extern const char *Txt_COURSE_STATUS[Crs_NUM_STATUS_TXT];
unsigned NumCrs;
struct Course *Crs;
const char *TxtClassNormal;
const char *TxtClassStrong;
const char *BgColor;
Crs_StatusTxt_t StatusTxt;
bool ThisYearHasCourses = false;
/***** Write all the courses of this year *****/
for (NumCrs = 0;
NumCrs < Gbl.CurrentDeg.Deg.NumCrss;
NumCrs++)
{
Crs = &(Gbl.CurrentDeg.Deg.LstCrss[NumCrs]);
if (Crs->Year == Year) // The year of the course is this?
{
ThisYearHasCourses = true;
if (Crs->Status & Crs_STATUS_BIT_PENDING)
{
TxtClassNormal = "DAT_LIGHT";
TxtClassStrong = "DAT_LIGHT";
}
else
{
TxtClassNormal = "DAT";
TxtClassStrong = "DAT_N";
}
BgColor = (Crs->CrsCod == Gbl.CurrentCrs.Crs.CrsCod) ? "LIGHT_BLUE" :
Gbl.ColorRows[Gbl.RowEvenOdd];
/* Put green tip if course has users */
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"CENTER_MIDDLE %s\">"
"<img src=\"%s/%s16x16.gif\""
" alt=\"%s\" title=\"%s\""
" class=\"ICON20x20\" />"
"</td>",
BgColor,
Gbl.Prefs.IconsURL,
Crs->NumUsrs ? "ok_green" :
"tr",
Crs->NumUsrs ? Txt_COURSE_With_users :
Txt_COURSE_Without_users,
Crs->NumUsrs ? Txt_COURSE_With_users :
Txt_COURSE_Without_users);
/* Institutional code of the course */
fprintf (Gbl.F.Out,"<td class=\"%s CENTER_MIDDLE %s\">"
"%s"
"</td>",
TxtClassNormal,BgColor,
Crs->InstitutionalCrsCod);
/* Course year */
fprintf (Gbl.F.Out,"<td class=\"%s CENTER_MIDDLE %s\">"
"%s"
"</td>",
TxtClassNormal,BgColor,
Txt_YEAR_OF_DEGREE[Crs->Year]);
/* Course full name */
fprintf (Gbl.F.Out,"<td class=\"%s LEFT_MIDDLE %s\">",
TxtClassStrong,BgColor);
Act_FormGoToStart (ActSeeCrsInf);
Crs_PutParamCrsCod (Crs->CrsCod);
sprintf (Gbl.Title,Txt_Go_to_X,Crs->FullName);
Act_LinkFormSubmit (Gbl.Title,TxtClassStrong);
fprintf (Gbl.F.Out,"%s</a>",
Crs->FullName);
Act_FormEnd ();
fprintf (Gbl.F.Out,"</td>");
/* Current number of teachers in this course */
fprintf (Gbl.F.Out,"<td class=\"%s RIGHT_MIDDLE %s\">"
"%u"
"</td>",
TxtClassNormal,BgColor,Crs->NumTchs);
/* Current number of students in this course */
fprintf (Gbl.F.Out,"<td class=\"%s RIGHT_MIDDLE %s\">"
"%u"
"</td>",
TxtClassNormal,BgColor,Crs->NumStds);
/* Course status */
StatusTxt = Crs_GetStatusTxtFromStatusBits (Crs->Status);
fprintf (Gbl.F.Out,"<td class=\"%s LEFT_MIDDLE %s\">"
"%s"
"</td>"
"</tr>",
TxtClassNormal,BgColor,Txt_COURSE_STATUS[StatusTxt]);
}
}
return ThisYearHasCourses;
}
/*****************************************************************************/
/********************* List current courses for edition **********************/
/*****************************************************************************/
static void Crs_ListCoursesForEdition (void)
{
extern const char *Txt_Courses_of_DEGREE_X;
extern const char *Txt_YEAR_OF_DEGREE[1+Deg_MAX_YEARS_PER_DEGREE];
extern const char *Txt_COURSE_STATUS[Crs_NUM_STATUS_TXT];
struct Course *Crs;
unsigned Year;
unsigned YearAux;
unsigned NumDeg;
unsigned NumCrs;
struct UsrData UsrDat;
bool ICanEdit;
Crs_StatusTxt_t StatusTxt;
/***** Initialize structure with user's data *****/
Usr_UsrDataConstructor (&UsrDat);
/***** Write heading *****/
sprintf (Gbl.Message,Txt_Courses_of_DEGREE_X,
Gbl.CurrentDeg.Deg.ShortName);
Lay_StartRoundFrameTable (NULL,2,Gbl.Message);
Crs_PutHeadCoursesForEdition ();
/***** List the courses *****/
for (Year = 0;
Year <= Deg_MAX_YEARS_PER_DEGREE;
Year++)
for (NumCrs = 0;
NumCrs < Gbl.CurrentDeg.Deg.NumCrss;
NumCrs++)
{
Crs = &(Gbl.CurrentDeg.Deg.LstCrss[NumCrs]);
if (Crs->Year == Year)
{
ICanEdit = Crs_CheckIfICanEdit (Crs);
/* Put icon to remove course */
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"BM\">");
if (Crs->NumUsrs || // Course has users ==> deletion forbidden
!ICanEdit)
Lay_PutIconRemovalNotAllowed ();
else // Crs->NumUsrs == 0 && ICanEdit
{
Act_FormStart (ActRemCrs);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
Lay_PutIconRemove ();
Act_FormEnd ();
}
fprintf (Gbl.F.Out,"</td>");
/* Course code */
fprintf (Gbl.F.Out,"<td class=\"DAT CODE\">"
"%ld"
"</td>",
Crs->CrsCod);
/* Institutional code of the course */
fprintf (Gbl.F.Out,"<td class=\"DAT CENTER_MIDDLE\">");
if (ICanEdit)
{
Act_FormStart (ActChgInsCrsCod);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
fprintf (Gbl.F.Out,"<input type=\"text\" name=\"InsCrsCod\""
" maxlength=\"%u\" value=\"%s\""
" class=\"INPUT_INS_CODE\""
" onchange=\"document.getElementById('%s').submit();\" />",
Crs_LENGTH_INSTITUTIONAL_CRS_COD,
Crs->InstitutionalCrsCod,
Gbl.Form.Id);
Act_FormEnd ();
}
else
fprintf (Gbl.F.Out,"%s",Crs->InstitutionalCrsCod);
fprintf (Gbl.F.Out,"</td>");
/* Degree */
fprintf (Gbl.F.Out,"<td class=\"DAT CENTER_MIDDLE\">");
if (Gbl.Usrs.Me.LoggedRole >= Rol_DEG_ADM)
{
Act_FormStart (ActChgCrsDeg);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
fprintf (Gbl.F.Out,"<select name=\"OthDegCod\""
" class=\"INPUT_DEGREE\""
" onchange=\"document.getElementById('%s').submit();\">",
Gbl.Form.Id);
for (NumDeg = 0;
NumDeg < Gbl.Usrs.Me.MyAdminDegs.Num;
NumDeg++)
fprintf (Gbl.F.Out,"<option value=\"%ld\"%s>%s</option>",
Gbl.Usrs.Me.MyAdminDegs.Lst[NumDeg].DegCod,
Gbl.Usrs.Me.MyAdminDegs.Lst[NumDeg].DegCod == Gbl.CurrentDeg.Deg.DegCod ? " selected=\"selected\"" :
"",
Gbl.Usrs.Me.MyAdminDegs.Lst[NumDeg].ShortName);
fprintf (Gbl.F.Out,"</select>");
Act_FormEnd ();
}
else
fprintf (Gbl.F.Out,"%s",Gbl.CurrentDeg.Deg.ShortName);
fprintf (Gbl.F.Out,"</td>");
/* Course year */
fprintf (Gbl.F.Out,"<td class=\"DAT CENTER_MIDDLE\">");
if (ICanEdit)
{
Act_FormStart (ActChgCrsYea);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
fprintf (Gbl.F.Out,"<select name=\"OthCrsYear\""
" style=\"width:50px;\""
" onchange=\"document.getElementById('%s').submit();\">",
Gbl.Form.Id);
for (YearAux = 0;
YearAux <= Deg_MAX_YEARS_PER_DEGREE;
YearAux++) // All the years are permitted because it's possible to move this course to another degree (with other active years)
fprintf (Gbl.F.Out,"<option value=\"%u\"%s>%s</option>",
YearAux,
YearAux == Crs->Year ? " selected=\"selected\"" :
"",
Txt_YEAR_OF_DEGREE[YearAux]);
fprintf (Gbl.F.Out,"</select>");
Act_FormEnd ();
}
else
fprintf (Gbl.F.Out,"%s",Txt_YEAR_OF_DEGREE[Crs->Year]);
fprintf (Gbl.F.Out,"</td>");
/* Course short name */
fprintf (Gbl.F.Out,"<td class=\"DAT LEFT_MIDDLE\">");
if (ICanEdit)
{
Act_FormStart (ActRenCrsSho);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
fprintf (Gbl.F.Out,"<input type=\"text\" name=\"ShortName\""
" maxlength=\"%u\" value=\"%s\""
" class=\"INPUT_SHORT_NAME\""
" onchange=\"document.getElementById('%s').submit();\" />",
Crs_MAX_LENGTH_COURSE_SHORT_NAME,Crs->ShortName,
Gbl.Form.Id);
Act_FormEnd ();
}
else
fprintf (Gbl.F.Out,"%s",Crs->ShortName);
fprintf (Gbl.F.Out,"</td>");
/* Course full name */
fprintf (Gbl.F.Out,"<td class=\"DAT LEFT_MIDDLE\">");
if (ICanEdit)
{
Act_FormStart (ActRenCrsFul);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
fprintf (Gbl.F.Out,"<input type=\"text\" name=\"FullName\""
" maxlength=\"%u\" value=\"%s\""
" class=\"INPUT_FULL_NAME\""
" onchange=\"document.getElementById('%s').submit();\" />",
Crs_MAX_LENGTH_COURSE_FULL_NAME,Crs->FullName,
Gbl.Form.Id);
Act_FormEnd ();
}
else
fprintf (Gbl.F.Out,"%s",Crs->FullName);
fprintf (Gbl.F.Out,"</td>");
/* Current number of students in this course */
fprintf (Gbl.F.Out,"<td class=\"DAT RIGHT_MIDDLE\">"
"%u"
"</td>",
Crs->NumStds);
/* Current number of teachers in this course */
fprintf (Gbl.F.Out,"<td class=\"DAT RIGHT_MIDDLE\">"
"%u"
"</td>",
Crs->NumTchs);
/* Course status */
StatusTxt = Crs_GetStatusTxtFromStatusBits (Crs->Status);
fprintf (Gbl.F.Out,"<td class=\"DAT STATUS\">");
if (Gbl.Usrs.Me.LoggedRole >= Rol_DEG_ADM &&
StatusTxt == Crs_STATUS_PENDING)
{
Act_FormStart (ActChgCrsSta);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
fprintf (Gbl.F.Out,"<select name=\"Status\" class=\"INPUT_STATUS\""
" onchange=\"document.getElementById('%s').submit();\">"
"<option value=\"%u\" selected=\"selected\">%s</option>"
"<option value=\"%u\">%s</option>"
"</select>",
Gbl.Form.Id,
(unsigned) Crs_GetStatusBitsFromStatusTxt (Crs_STATUS_PENDING),
Txt_COURSE_STATUS[Crs_STATUS_PENDING],
(unsigned) Crs_GetStatusBitsFromStatusTxt (Crs_STATUS_ACTIVE),
Txt_COURSE_STATUS[Crs_STATUS_ACTIVE]);
Act_FormEnd ();
}
else
fprintf (Gbl.F.Out,"%s",Txt_COURSE_STATUS[StatusTxt]);
fprintf (Gbl.F.Out,"</td>");
/* Course requester */
UsrDat.UsrCod = Crs->RequesterUsrCod;
Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&UsrDat);
fprintf (Gbl.F.Out,"<td class=\"INPUT_REQUESTER LEFT_TOP\">"
"<table class=\"INPUT_REQUESTER CELLS_PAD_2\">"
"<tr>");
Msg_WriteMsgAuthor (&UsrDat,100,6,"DAT",true,NULL);
fprintf (Gbl.F.Out,"</tr>"
"</table>"
"</td>"
"</tr>");
}
}
/***** End table *****/
Lay_EndRoundFrameTable ();
/***** Free memory used for user's data *****/
Usr_UsrDataDestructor (&UsrDat);
}
/*****************************************************************************/
/************** Check if I can edit, remove, etc. a course *******************/
/*****************************************************************************/
static bool Crs_CheckIfICanEdit (struct Course *Crs)
{
return (bool) (Gbl.Usrs.Me.LoggedRole >= Rol_DEG_ADM || // I am a degree administrator or higher
((Crs->Status & Crs_STATUS_BIT_PENDING) != 0 && // Course is not yet activated
Gbl.Usrs.Me.UsrDat.UsrCod == Crs->RequesterUsrCod)); // I am the requester
}
/*****************************************************************************/
/******************* Set StatusTxt depending on status bits ******************/
/*****************************************************************************/
// Crs_STATUS_UNKNOWN = 0 // Other
// Crs_STATUS_ACTIVE = 1 // 00 (Status == 0)
// Crs_STATUS_PENDING = 2 // 01 (Status == Crs_STATUS_BIT_PENDING)
// Crs_STATUS_REMOVED = 3 // 1- (Status & Crs_STATUS_BIT_REMOVED)
static Crs_StatusTxt_t Crs_GetStatusTxtFromStatusBits (Crs_Status_t Status)
{
if (Status == 0)
return Crs_STATUS_ACTIVE;
if (Status == Crs_STATUS_BIT_PENDING)
return Crs_STATUS_PENDING;
if (Status & Crs_STATUS_BIT_REMOVED)
return Crs_STATUS_REMOVED;
return Crs_STATUS_UNKNOWN;
}
/*****************************************************************************/
/******************* Set status bits depending on StatusTxt ******************/
/*****************************************************************************/
// Crs_STATUS_UNKNOWN = 0 // Other
// Crs_STATUS_ACTIVE = 1 // 00 (Status == 0)
// Crs_STATUS_PENDING = 2 // 01 (Status == Crs_STATUS_BIT_PENDING)
// Crs_STATUS_REMOVED = 3 // 1- (Status & Crs_STATUS_BIT_REMOVED)
static Crs_Status_t Crs_GetStatusBitsFromStatusTxt (Crs_StatusTxt_t StatusTxt)
{
switch (StatusTxt)
{
case Crs_STATUS_UNKNOWN:
case Crs_STATUS_ACTIVE:
return (Crs_Status_t) 0;
case Crs_STATUS_PENDING:
return Crs_STATUS_BIT_PENDING;
case Crs_STATUS_REMOVED:
return Crs_STATUS_BIT_REMOVED;
}
return (Crs_Status_t) 0;
}
/*****************************************************************************/
/*********************** Put a form to create a new course *******************/
/*****************************************************************************/
static void Crs_PutFormToCreateCourse (void)
{
extern const char *Txt_New_course_of_DEGREE_X;
extern const char *Txt_YEAR_OF_DEGREE[1+Deg_MAX_YEARS_PER_DEGREE];
extern const char *Txt_COURSE_STATUS[Crs_NUM_STATUS_TXT];
extern const char *Txt_Create_course;
struct Course *Crs;
unsigned Year;
/***** Start form *****/
if (Gbl.Usrs.Me.LoggedRole >= Rol_DEG_ADM)
Act_FormStart (ActNewCrs);
else if (Gbl.Usrs.Me.MaxRole >= Rol__GUEST_)
Act_FormStart (ActReqCrs);
else
Lay_ShowErrorAndExit ("You can not edit courses.");
/***** Course data *****/
Crs = &Gbl.Degs.EditingCrs;
/***** Write heading *****/
sprintf (Gbl.Message,Txt_New_course_of_DEGREE_X,
Gbl.CurrentDeg.Deg.ShortName);
Lay_StartRoundFrameTable (NULL,2,Gbl.Message);
Crs_PutHeadCoursesForEdition ();
/***** Disabled icon to remove course *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"BM\">");
Lay_PutIconRemovalNotAllowed ();
fprintf (Gbl.F.Out,"</td>");
/***** Course code *****/
fprintf (Gbl.F.Out,"<td class=\"CODE\"></td>");
/***** Institutional code of the course *****/
fprintf (Gbl.F.Out,"<td class=\"CENTER_MIDDLE\">"
"<input type=\"text\" name=\"InsCrsCod\""
" maxlength=\"%u\" value=\"%s\""
" class=\"INPUT_INS_CODE\" />"
"</td>",
Crs_LENGTH_INSTITUTIONAL_CRS_COD,
Crs->InstitutionalCrsCod);
/***** Degree *****/
fprintf (Gbl.F.Out,"<td class=\"CENTER_MIDDLE\">"
"<select name=\"OthDegCod\""
" class=\"INPUT_DEGREE\""
" disabled=\"disabled\">"
"<option value=\"%ld\">%s</option>"
"</select>"
"</td>",
Gbl.CurrentDeg.Deg.DegCod,
Gbl.CurrentDeg.Deg.ShortName);
/***** Year *****/
fprintf (Gbl.F.Out,"<td class=\"CENTER_MIDDLE\">"
"<select name=\"OthCrsYear\" style=\"width:50px;\">");
for (Year = 0;
Year <= Deg_MAX_YEARS_PER_DEGREE;
Year++)
fprintf (Gbl.F.Out,"<option value=\"%u\"%s>%s</option>",
Year,
Year == Crs->Year ? " selected=\"selected\"" :
"",
Txt_YEAR_OF_DEGREE[Year]);
fprintf (Gbl.F.Out,"</select>"
"</td>");
/***** Course short name *****/
fprintf (Gbl.F.Out,"<td class=\"CENTER_MIDDLE\">"
"<input type=\"text\" name=\"ShortName\""
" maxlength=\"%u\" value=\"%s\""
" class=\"INPUT_SHORT_NAME\" />"
"</td>",
Crs_MAX_LENGTH_COURSE_SHORT_NAME,Crs->ShortName);
/***** Course full name *****/
fprintf (Gbl.F.Out,"<td class=\"CENTER_MIDDLE\">"
"<input type=\"text\" name=\"FullName\""
" maxlength=\"%u\" value=\"%s\""
" class=\"INPUT_FULL_NAME\" />"
"</td>",
Crs_MAX_LENGTH_COURSE_FULL_NAME,Crs->FullName);
/***** Current number of students in this course *****/
fprintf (Gbl.F.Out,"<td class=\"DAT RIGHT_MIDDLE\">"
"0"
"</td>");
/***** Current number of teachers in this course *****/
fprintf (Gbl.F.Out,"<td class=\"DAT RIGHT_MIDDLE\">"
"0"
"</td>");
/***** Course status *****/
fprintf (Gbl.F.Out,"<td class=\"DAT STATUS\">"
"%s"
"</td>",
Txt_COURSE_STATUS[Crs_STATUS_PENDING]);
/***** Course requester *****/
fprintf (Gbl.F.Out,"<td class=\"INPUT_REQUESTER LEFT_TOP\">"
"<table class=\"INPUT_REQUESTER CELLS_PAD_2\">"
"<tr>");
Msg_WriteMsgAuthor (&Gbl.Usrs.Me.UsrDat,100,6,"DAT",true,NULL);
fprintf (Gbl.F.Out,"</tr>"
"</table>"
"</td>"
"</tr>");
/***** Send button and end frame *****/
Lay_EndRoundFrameTableWithButton (Lay_CREATE_BUTTON,Txt_Create_course);
/***** End form *****/
Act_FormEnd ();
}
/*****************************************************************************/
/******************** Write header with fields of a course *******************/
/*****************************************************************************/
static void Crs_PutHeadCoursesForSeeing (void)
{
extern const char *Txt_Institutional_BR_code;
extern const char *Txt_Year_OF_A_DEGREE;
extern const char *Txt_Course;
extern const char *Txt_Students_ABBREVIATION;
extern const char *Txt_Teachers_ABBREVIATION;
extern const char *Txt_Status;
fprintf (Gbl.F.Out,"<tr>"
"<th class=\"BM\"></th>"
"<th class=\"CENTER_MIDDLE\">"
"%s"
"</th>"
"<th class=\"CENTER_MIDDLE\">"
"%s"
"</th>"
"<th class=\"LEFT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"RIGHT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"RIGHT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"LEFT_MIDDLE\">"
"%s"
"</th>"
"</tr>",
Txt_Institutional_BR_code,
Txt_Year_OF_A_DEGREE,
Txt_Course,
Txt_Teachers_ABBREVIATION,
Txt_Students_ABBREVIATION,
Txt_Status);
}
/*****************************************************************************/
/******************** Write header with fields of a course *******************/
/*****************************************************************************/
static void Crs_PutHeadCoursesForEdition (void)
{
extern const char *Txt_Code;
extern const char *Txt_Institutional_code;
extern const char *Txt_optional;
extern const char *Txt_Degree;
extern const char *Txt_Year_OF_A_DEGREE;
extern const char *Txt_Short_name_of_the_course;
extern const char *Txt_Full_name_of_the_course;
extern const char *Txt_Students_ABBREVIATION;
extern const char *Txt_Teachers_ABBREVIATION;
extern const char *Txt_Status;
extern const char *Txt_Requester;
fprintf (Gbl.F.Out,"<tr>"
"<th class=\"BM\"></th>"
"<th class=\"RIGHT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"CENTER_MIDDLE\">"
"%s (%s)"
"</th>"
"<th class=\"CENTER_MIDDLE\">"
"%s"
"</th>"
"<th class=\"CENTER_MIDDLE\">"
"%s"
"</th>"
"<th class=\"LEFT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"LEFT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"RIGHT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"RIGHT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"LEFT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"LEFT_MIDDLE\">"
"%s"
"</th>"
"</tr>",
Txt_Code,
Txt_Institutional_code,Txt_optional,
Txt_Degree,
Txt_Year_OF_A_DEGREE,
Txt_Short_name_of_the_course,
Txt_Full_name_of_the_course,
Txt_Students_ABBREVIATION,
Txt_Teachers_ABBREVIATION,
Txt_Status,
Txt_Requester);
}
/*****************************************************************************/
/****************** Receive form to request a new course *********************/
/*****************************************************************************/
void Crs_RecFormReqCrs (void)
{
Crs_RecFormRequestOrCreateCrs ((unsigned) Crs_STATUS_BIT_PENDING);
}
/*****************************************************************************/
/******************* Receive form to create a new course *********************/
/*****************************************************************************/
void Crs_RecFormNewCrs (void)
{
Crs_RecFormRequestOrCreateCrs (0);
}
/*****************************************************************************/
/************* Receive form to request or create a new course ****************/
/*****************************************************************************/
static void Crs_RecFormRequestOrCreateCrs (unsigned Status)
{
extern const char *Txt_The_course_X_already_exists;
extern const char *Txt_You_must_specify_the_short_name_and_the_full_name_of_the_new_course;
extern const char *Txt_The_year_X_is_not_allowed;
extern const char *Txt_YEAR_OF_DEGREE[1+Deg_MAX_YEARS_PER_DEGREE];
struct Course *Crs;
struct Degree Deg;
Crs = &Gbl.Degs.EditingCrs;
/***** Get parameters from form *****/
/* Set course degree */
Deg.DegCod = Crs->DegCod = Gbl.CurrentDeg.Deg.DegCod;
/* Get parameters of the new course */
Crs_GetParamsNewCourse (Crs);
/***** Check if year is correct *****/
Deg_GetDataOfDegreeByCod (&Deg);
if (Crs->Year <= Deg_MAX_YEARS_PER_DEGREE) // If year is valid
{
if (Crs->ShortName[0] &&
Crs->FullName[0]) // If there's a course name
{
/***** If name of course was in database... *****/
if (Crs_CheckIfCourseNameExistsInCourses (Crs->DegCod,Crs->Year,"ShortName",Crs->ShortName,-1L))
{
sprintf (Gbl.Message,Txt_The_course_X_already_exists,
Crs->ShortName);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
else if (Crs_CheckIfCourseNameExistsInCourses (Crs->DegCod,Crs->Year,"FullName",Crs->FullName,-1L))
{
sprintf (Gbl.Message,Txt_The_course_X_already_exists,
Crs->FullName);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
else // Add new requested course to database
Crs_CreateCourse (Crs,Status);
}
else // If there is not a course name
{
sprintf (Gbl.Message,"%s",Txt_You_must_specify_the_short_name_and_the_full_name_of_the_new_course);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
}
else // Year not valid
{
sprintf (Gbl.Message,Txt_The_year_X_is_not_allowed,Crs->Year);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/************** Get the parameters of a new course from form *****************/
/*****************************************************************************/
static void Crs_GetParamsNewCourse (struct Course *Crs)
{
char YearStr[2+1];
/***** Get parameters of the course from form *****/
/* Get institutional code */
Par_GetParToText ("InsCrsCod",Crs->InstitutionalCrsCod,Crs_LENGTH_INSTITUTIONAL_CRS_COD);
/* Get year */
Par_GetParToText ("OthCrsYear",YearStr,2);
Crs->Year = Deg_ConvStrToYear (YearStr);
/* Get course short name */
Par_GetParToText ("ShortName",Crs->ShortName,Crs_MAX_LENGTH_COURSE_SHORT_NAME);
/* Get course full name */
Par_GetParToText ("FullName",Crs->FullName,Crs_MAX_LENGTH_COURSE_FULL_NAME);
}
/*****************************************************************************/
/********** Check if the name of course exists in existing courses ***********/
/*****************************************************************************/
static bool Crs_CheckIfCourseNameExistsInCourses (long DegCod,unsigned Year,const char *FieldName,const char *Name,long CrsCod)
{
char Query[512];
/***** Get number of courses in a year of a degree and with a name from database *****/
sprintf (Query,"SELECT COUNT(*) FROM courses"
" WHERE DegCod='%ld' AND Year='%u'"
" AND %s='%s' AND CrsCod<>'%ld'",
DegCod,Year,FieldName,Name,CrsCod);
return (DB_QueryCOUNT (Query,"can not check if the name of a course already existed") != 0);
}
/*****************************************************************************/
/************* Add a new requested course to pending requests ****************/
/*****************************************************************************/
static void Crs_CreateCourse (struct Course *Crs,unsigned Status)
{
extern const char *Txt_Created_new_course_X;
char Query[2048];
/***** Insert new course into pending requests *****/
sprintf (Query,"INSERT INTO courses (DegCod,Year,InsCrsCod,"
"Status,RequesterUsrCod,ShortName,FullName)"
" VALUES ('%ld','%u','%s','%u','%ld','%s','%s')",
Crs->DegCod,Crs->Year,
Crs->InstitutionalCrsCod,
Status,
Gbl.Usrs.Me.UsrDat.UsrCod,
Crs->ShortName,Crs->FullName);
Crs->CrsCod = DB_QueryINSERTandReturnCode (Query,"can not create a new course");
/***** Write success message *****/
sprintf (Gbl.Message,Txt_Created_new_course_X,
Crs->FullName);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Put button to go to course created *****/
Crs_PutButtonToGoToCrs (Crs);
}
/*****************************************************************************/
/************************ Request removing of a course ***********************/
/*****************************************************************************/
void Crs_RemoveCourse (void)
{
extern const char *Txt_To_remove_a_course_you_must_first_remove_all_users_in_the_course;
extern const char *Txt_Course_X_removed;
extern const char *Txt_You_dont_have_permission_to_edit_this_course;
struct Course Crs;
/***** Get course code *****/
if ((Crs.CrsCod = Crs_GetParamOtherCrsCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of course is missing.");
/***** Get data of the course from database *****/
Crs_GetDataOfCourseByCod (&Crs);
if (Crs_CheckIfICanEdit (&Crs))
{
/***** Check if this course has users *****/
if (Crs.NumUsrs) // Course has users ==> don't remove
Lay_ShowAlert (Lay_WARNING,Txt_To_remove_a_course_you_must_first_remove_all_users_in_the_course);
else // Course has no users ==> remove it
{
/***** Remove course *****/
Crs_RemoveCourseCompletely (Crs.CrsCod);
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_Course_X_removed,
Crs.FullName);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
}
}
else
Lay_ShowAlert (Lay_WARNING, Txt_You_dont_have_permission_to_edit_this_course);
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/********************* Get data of a course from its code ********************/
/*****************************************************************************/
bool Crs_GetDataOfCourseByCod (struct Course *Crs)
{
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRows;
bool CrsFound = false;
if (Crs->CrsCod < 0)
{
Crs->CrsCod = -1L;
Crs->DegCod = -1L;
Crs->Year = 0;
Crs->Status = (Crs_Status_t) 0;
Crs->RequesterUsrCod = -1L;
Crs->ShortName[0] = '\0';
Crs->FullName[0] = '\0';
Crs->NumStds = 0;
Crs->NumTchs = 0;
Crs->NumUsrs = 0;
return false;
}
/***** Get data of a course from database *****/
sprintf (Query,"SELECT CrsCod,DegCod,Year,InsCrsCod,Status,RequesterUsrCod,ShortName,FullName"
" FROM courses WHERE CrsCod='%ld'",
Crs->CrsCod);
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get data of a course");
if (NumRows == 1) // Course found
{
/***** Get data of the course *****/
row = mysql_fetch_row (mysql_res);
Crs_GetDataOfCourseFromRow (Crs,row);
CrsFound = true;
}
else if (NumRows == 0) // Course not found
{
Crs->CrsCod = -1L;
Crs->DegCod = -1L;
Crs->Year = 0;
Crs->Status = (Crs_Status_t) 0;
Crs->RequesterUsrCod = -1L;
Crs->ShortName[0] = '\0';
Crs->FullName[0] = '\0';
Crs->NumStds = 0;
Crs->NumTchs = 0;
Crs->NumUsrs = 0;
}
else if (NumRows > 1) // Course duplicated
Lay_ShowErrorAndExit ("Course is repeated in database.");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return CrsFound;
}
/*****************************************************************************/
/********** Get data of a course from a row resulting of a query *************/
/*****************************************************************************/
static void Crs_GetDataOfCourseFromRow (struct Course *Crs,MYSQL_ROW row)
{
/***** Get course code (row[0]) *****/
if ((Crs->CrsCod = Str_ConvertStrCodToLongCod (row[0])) < 0)
Lay_ShowErrorAndExit ("Wrong code of course.");
/***** Get code of degree (row[1]) *****/
Crs->DegCod = Str_ConvertStrCodToLongCod (row[1]);
/***** Get year (row[2]) *****/
Crs->Year = Deg_ConvStrToYear (row[2]);
/***** Get institutional course code (row[3]) *****/
strncpy (Crs->InstitutionalCrsCod,row[3],Crs_LENGTH_INSTITUTIONAL_CRS_COD);
Crs->InstitutionalCrsCod[Crs_LENGTH_INSTITUTIONAL_CRS_COD] = '\0';
/***** Get course status (row[4]) *****/
if (sscanf (row[4],"%u",&(Crs->Status)) != 1)
Lay_ShowErrorAndExit ("Wrong course status.");
/***** Get requester user'code (row[5]) *****/
Crs->RequesterUsrCod = Str_ConvertStrCodToLongCod (row[5]);
/***** Get the short name of the course (row[6]) *****/
strncpy (Crs->ShortName,row[6],Crs_MAX_LENGTH_COURSE_SHORT_NAME);
Crs->ShortName[Crs_MAX_LENGTH_COURSE_SHORT_NAME] = '\0';
/***** Get the full name of the course (row[7]) *****/
strncpy (Crs->FullName,row[7],Crs_MAX_LENGTH_COURSE_FULL_NAME);
Crs->FullName[Crs_MAX_LENGTH_COURSE_FULL_NAME] = '\0';
/***** Get number of students *****/
Crs->NumStds = Usr_GetNumUsrsInCrs (Rol_STUDENT,Crs->CrsCod);
/***** Get number of teachers *****/
Crs->NumTchs = Usr_GetNumUsrsInCrs (Rol_TEACHER,Crs->CrsCod);
Crs->NumUsrs = Crs->NumStds + Crs->NumTchs;
}
/*****************************************************************************/
/******* Get the short names of degree and course from a course code *********/
/*****************************************************************************/
void Crs_GetShortNamesByCod (long CrsCod,char *CrsShortName,char *DegShortName)
{
char Query[512];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
DegShortName[0] = CrsShortName[0] = '\0';
if (CrsCod > 0)
{
/***** Get the short name of a degree from database *****/
sprintf (Query,"SELECT courses.ShortName,degrees.ShortName"
" FROM courses,degrees"
" WHERE courses.CrsCod='%ld'"
" AND courses.DegCod=degrees.DegCod",
CrsCod);
if (DB_QuerySELECT (Query,&mysql_res,"can not get the short name of a course") == 1)
{
/***** Get the short name of this course *****/
row = mysql_fetch_row (mysql_res);
strcpy (CrsShortName,row[0]);
strcpy (DegShortName,row[1]);
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
}
/*****************************************************************************/
/****************************** Remove a course ******************************/
/*****************************************************************************/
void Crs_RemoveCourseCompletely (long CrsCod)
{
char Query[128];
/***** Empty course *****/
Crs_EmptyCourseCompletely (CrsCod);
/***** Remove course from table of last accesses to courses in database *****/
sprintf (Query,"DELETE FROM crs_last WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove a course");
/***** Remove course from table of courses in database *****/
sprintf (Query,"DELETE FROM courses WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove a course");
}
/*****************************************************************************/
/********** Empty a course (remove all its information and users) ************/
/*****************************************************************************/
// Start removing less important things to more important things;
// so, in case of failure, important things can been removed in the future
static void Crs_EmptyCourseCompletely (long CrsCod)
{
struct Course Crs;
char PathRelCrs[PATH_MAX+1];
char Query[512];
/***** Get course data *****/
Crs.CrsCod = CrsCod;
Crs_GetDataOfCourseByCod (&Crs);
/***** Remove all the students in the course *****/
Enr_RemAllStdsInCrs (&Crs);
/***** Set all the notifications from the course as removed,
except notifications about new messages *****/
Ntf_MarkNotifInCrsAsRemoved (CrsCod,-1L);
/***** Remove information of the course ****/
/* Remove timetable of the course */
sprintf (Query,"DELETE FROM timetable_crs WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove the timetable of a course");
/* Remove other information of the course */
sprintf (Query,"DELETE FROM crs_info_src WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove info sources of a course");
sprintf (Query,"DELETE FROM crs_info_txt WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove info of a course");
/***** Remove all test exams made in course *****/
Tst_RemoveAllExamsMadeInCrs (CrsCod);
/***** Remove exam announcements in the course *****/
/* Mark all exam announcements in the course as deleted */
sprintf (Query,"UPDATE exam_announcements SET Status='%u' WHERE CrsCod='%ld'",
(unsigned) Exa_DELETED_EXAM_ANNOUNCEMENT,CrsCod);
DB_QueryUPDATE (Query,"can not remove exam announcements of a course");
/***** Remove course cards of the course *****/
/* Remove content of course cards */
sprintf (Query,"DELETE FROM crs_records USING crs_record_fields,crs_records"
" WHERE crs_record_fields.CrsCod='%ld' AND crs_record_fields.FieldCod=crs_records.FieldCod",CrsCod);
DB_QueryDELETE (Query,"can not remove content of cards in a course");
/* Remove definition of fields in course cards */
sprintf (Query,"DELETE FROM crs_record_fields WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove fields of cards in a course");
/***** Remove assignments of the course *****/
Asg_RemoveCrsAssignments (CrsCod);
/***** Remove attendance events of the course *****/
Att_RemoveCrsAttEvents (CrsCod);
/***** Remove surveys of the course *****/
Svy_RemoveCrsSurveys (CrsCod);
/***** Remove notices in the course *****/
/* Copy all notices from the course to table of deleted notices */
sprintf (Query,"INSERT INTO notices_deleted (NotCod,CrsCod,UsrCod,CreatTime,Content,NumNotif)"
" SELECT NotCod,CrsCod,UsrCod,CreatTime,Content,NumNotif FROM notices"
" WHERE CrsCod='%ld'",CrsCod);
DB_QueryINSERT (Query,"can not remove notices in a course");
/* Remove all notices from the course */
sprintf (Query,"DELETE FROM notices WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove notices in a course");
/***** Remove all the threads and posts in course forums *****/
/* Remove disabled posts */
sprintf (Query,"DELETE FROM forum_disabled_post USING forum_thread,forum_post,forum_disabled_post"
" WHERE (forum_thread.ForumType='%u' OR forum_thread.ForumType='%u') AND forum_thread.Location='%ld' AND forum_thread.ThrCod=forum_post.ThrCod AND forum_post.PstCod=forum_disabled_post.PstCod",
For_FORUM_COURSE_USRS,For_FORUM_COURSE_TCHS,CrsCod);
DB_QueryDELETE (Query,"can not remove disabled posts in forums of a course");
/* Remove posts */
sprintf (Query,"DELETE FROM forum_post USING forum_thread,forum_post"
" WHERE (forum_thread.ForumType='%u' OR forum_thread.ForumType='%u') AND forum_thread.Location='%ld' AND forum_thread.ThrCod=forum_post.ThrCod",
For_FORUM_COURSE_USRS,For_FORUM_COURSE_TCHS,CrsCod);
DB_QueryDELETE (Query,"can not remove posts in forums of a course");
/* Remove threads read */
sprintf (Query,"DELETE FROM forum_thr_read USING forum_thread,forum_thr_read"
" WHERE (forum_thread.ForumType='%u' OR forum_thread.ForumType='%u') AND forum_thread.Location='%ld' AND forum_thread.ThrCod=forum_thr_read.ThrCod",
For_FORUM_COURSE_USRS,For_FORUM_COURSE_TCHS,CrsCod);
DB_QueryDELETE (Query,"can not remove read threads in forums of a course");
/* Remove threads */
sprintf (Query,"DELETE FROM forum_thread"
" WHERE (forum_thread.ForumType='%u' OR forum_thread.ForumType='%u') AND Location='%ld'",
For_FORUM_COURSE_USRS,For_FORUM_COURSE_TCHS,CrsCod);
DB_QueryDELETE (Query,"can not remove threads in forums of a course");
/***** Remove tests in the course *****/
/* Remove tests status in the course */
sprintf (Query,"DELETE FROM tst_status WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove status of tests of a course");
/* Remove test configuration of the course */
sprintf (Query,"DELETE FROM tst_config WHERE CrsCod='%ld'",
CrsCod);
DB_QueryDELETE (Query,"can not remove configuration of tests of a course");
/* Remove associations between test questions and test tags in the course */
sprintf (Query,"DELETE FROM tst_question_tags USING tst_questions,tst_question_tags"
" WHERE tst_questions.CrsCod='%ld'"
" AND tst_questions.QstCod=tst_question_tags.QstCod",
CrsCod);
DB_QueryDELETE (Query,"can not remove tags associated to questions of tests of a course");
/* Remove test tags in the course */
sprintf (Query,"DELETE FROM tst_tags WHERE CrsCod='%ld'",
CrsCod);
DB_QueryDELETE (Query,"can not remove tags of test of a course");
/* Remove test answers in the course */
sprintf (Query,"DELETE FROM tst_answers USING tst_questions,tst_answers"
" WHERE tst_questions.CrsCod='%ld'"
" AND tst_questions.QstCod=tst_answers.QstCod",
CrsCod);
DB_QueryDELETE (Query,"can not remove answers of tests of a course");
/* Remove test questions in the course */
sprintf (Query,"DELETE FROM tst_questions WHERE CrsCod='%ld'",
CrsCod);
DB_QueryDELETE (Query,"can not remove test questions of a course");
/***** Remove groups in the course *****/
/* Remove all the users in groups in the course */
sprintf (Query,"DELETE FROM crs_grp_usr"
" USING crs_grp_types,crs_grp,crs_grp_usr"
" WHERE crs_grp_types.CrsCod='%ld'"
" AND crs_grp_types.GrpTypCod=crs_grp.GrpTypCod"
" AND crs_grp.GrpCod=crs_grp_usr.GrpCod",
CrsCod);
DB_QueryDELETE (Query,"can not remove users from groups of a course");
/* Remove all the groups in the course */
sprintf (Query,"DELETE FROM crs_grp"
" USING crs_grp_types,crs_grp"
" WHERE crs_grp_types.CrsCod='%ld'"
" AND crs_grp_types.GrpTypCod=crs_grp.GrpTypCod",
CrsCod);
DB_QueryDELETE (Query,"can not remove groups of a course");
/* Remove all the group types in the course */
sprintf (Query,"DELETE FROM crs_grp_types"
" WHERE CrsCod='%ld'",
CrsCod);
DB_QueryDELETE (Query,"can not remove types of group of a course");
/***** Remove users' requests for inscription in the course *****/
sprintf (Query,"DELETE FROM crs_usr_requests WHERE CrsCod='%ld'",
CrsCod);
DB_QueryDELETE (Query,"can not remove requests for inscription to a course");
/***** Remove possible users remaining in the course (teachers) *****/
sprintf (Query,"DELETE FROM crs_usr WHERE CrsCod='%ld'",
CrsCod);
DB_QueryDELETE (Query,"can not remove users from a course");
/***** Remove information related to files in course *****/
Brw_RemoveCrsFilesFromDB (CrsCod);
/***** Remove directories of the course *****/
sprintf (PathRelCrs,"%s/%s/%ld",
Cfg_PATH_SWAD_PRIVATE,Cfg_FOLDER_CRS,CrsCod);
Brw_RemoveTree (PathRelCrs);
sprintf (PathRelCrs,"%s/%s/%ld",
Cfg_PATH_SWAD_PUBLIC,Cfg_FOLDER_CRS,CrsCod);
Brw_RemoveTree (PathRelCrs);
}
/*****************************************************************************/
/************** Change the institutional code of a course ********************/
/*****************************************************************************/
void Crs_ChangeInsCrsCod (void)
{
extern const char *Txt_The_institutional_code_of_the_course_X_has_changed_to_Y;
extern const char *Txt_The_institutional_code_of_the_course_X_has_not_changed;
extern const char *Txt_You_dont_have_permission_to_edit_this_course;
char NewInstitutionalCrsCod[Crs_LENGTH_INSTITUTIONAL_CRS_COD+1];
struct Course *Crs;
Crs = &Gbl.Degs.EditingCrs;
/***** Get parameters from form *****/
/* Get course code */
if ((Crs->CrsCod = Crs_GetParamOtherCrsCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of course is missing.");
/* Get institutional code */
Par_GetParToText ("InsCrsCod",NewInstitutionalCrsCod,Crs_LENGTH_INSTITUTIONAL_CRS_COD);
/* Get data of the course */
Crs_GetDataOfCourseByCod (Crs);
if (Crs_CheckIfICanEdit (Crs))
{
/***** Change the institutional course code *****/
if (strcmp (NewInstitutionalCrsCod,Crs->InstitutionalCrsCod))
{
Crs_UpdateInstitutionalCrsCod (Crs,NewInstitutionalCrsCod);
sprintf (Gbl.Message,Txt_The_institutional_code_of_the_course_X_has_changed_to_Y,
Crs->ShortName,NewInstitutionalCrsCod);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
}
else // The same institutional code
{
sprintf (Gbl.Message,Txt_The_institutional_code_of_the_course_X_has_not_changed,
Crs->ShortName);
Lay_ShowAlert (Lay_INFO,Gbl.Message);
}
/***** Put button to go to course changed *****/
Crs_PutButtonToGoToCrs (Crs);
}
else
Lay_ShowAlert (Lay_WARNING,Txt_You_dont_have_permission_to_edit_this_course);
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/****** Change the degree of a course (move course to another degree) ********/
/*****************************************************************************/
void Crs_ChangeCrsDegree (void)
{
extern const char *Txt_In_the_year_X_of_the_degree_Y_already_existed_a_course_with_the_name_Z;
extern const char *Txt_YEAR_OF_DEGREE[1+Deg_MAX_YEARS_PER_DEGREE];
extern const char *Txt_The_course_X_has_been_moved_to_the_degree_Y;
extern const char *Txt_The_year_X_is_not_allowed;
extern const char *Txt_You_dont_have_permission_to_move_courses_to_the_degree_X;
struct Course *Crs;
bool ICanChangeCrsToNewDeg;
char Query[512];
struct Degree NewDeg;
Crs = &Gbl.Degs.EditingCrs;
/***** Get parameters from form *****/
/* Get course code */
if ((Crs->CrsCod = Crs_GetParamOtherCrsCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of course is missing.");
/* Get new degree code */
if ((NewDeg.DegCod = Deg_GetParamOtherDegCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of degree is missing.");
/* Check if I have permission to change course to this degree */
if (Gbl.Usrs.Me.LoggedRole == Rol_SYS_ADM)
ICanChangeCrsToNewDeg = true;
else if (Gbl.Usrs.Me.LoggedRole == Rol_DEG_ADM)
ICanChangeCrsToNewDeg = Usr_CheckIfUsrIsAdm (Gbl.Usrs.Me.UsrDat.UsrCod,
Sco_SCOPE_DEG,
NewDeg.DegCod);
else
ICanChangeCrsToNewDeg = false;
/***** Get data of course and new degree *****/
Crs_GetDataOfCourseByCod (Crs);
Deg_GetDataOfDegreeByCod (&NewDeg);
/***** If I have permission to change course to this new degree... *****/
if (ICanChangeCrsToNewDeg)
{
/***** If new degree has current course year... *****/
if (Crs->Year <= Deg_MAX_YEARS_PER_DEGREE)
{
/***** If name of course was in database in the new degree... *****/
if (Crs_CheckIfCourseNameExistsInCourses (NewDeg.DegCod,Crs->Year,"ShortName",Crs->ShortName,-1L))
{
sprintf (Gbl.Message,Txt_In_the_year_X_of_the_degree_Y_already_existed_a_course_with_the_name_Z,
Txt_YEAR_OF_DEGREE[Crs->Year],NewDeg.FullName,Crs->ShortName);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
else if (Crs_CheckIfCourseNameExistsInCourses (NewDeg.DegCod,Crs->Year,"FullName",Crs->FullName,-1L))
{
sprintf (Gbl.Message,Txt_In_the_year_X_of_the_degree_Y_already_existed_a_course_with_the_name_Z,
Txt_YEAR_OF_DEGREE[Crs->Year],NewDeg.FullName,Crs->FullName);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
else // Update degree in database
{
/***** Update degree in table of courses *****/
sprintf (Query,"UPDATE courses SET DegCod='%ld' WHERE CrsCod='%ld'",
NewDeg.DegCod,Crs->CrsCod);
DB_QueryUPDATE (Query,"can not move course to another degree");
Crs->DegCod = NewDeg.DegCod;
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_The_course_X_has_been_moved_to_the_degree_Y,
Crs->FullName,NewDeg.FullName);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Put button to go to course changed *****/
Crs_PutButtonToGoToCrs (Crs);
}
}
else // New degree has no current course year
{
sprintf (Gbl.Message,Txt_The_year_X_is_not_allowed,Crs->Year);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
}
else // I have no permission to change course to this new degree
{
sprintf (Gbl.Message,Txt_You_dont_have_permission_to_move_courses_to_the_degree_X,
NewDeg.FullName);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/************************ Change the year of a course ************************/
/*****************************************************************************/
void Crs_ChangeCrsYear (void)
{
extern const char *Txt_The_course_X_already_exists_in_year_Y;
extern const char *Txt_YEAR_OF_DEGREE[1+Deg_MAX_YEARS_PER_DEGREE];
extern const char *Txt_The_year_of_the_course_X_has_changed;
extern const char *Txt_The_year_X_is_not_allowed;
extern const char *Txt_You_dont_have_permission_to_edit_this_course;
struct Course *Crs;
struct Degree Deg;
char Query[512];
char YearStr[2+1];
unsigned NewYear;
Crs = &Gbl.Degs.EditingCrs;
/***** Get parameters from form *****/
/* Get course code */
if ((Crs->CrsCod = Crs_GetParamOtherCrsCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of course is missing.");
/* Get parameter with year */
Par_GetParToText ("OthCrsYear",YearStr,2);
NewYear = Deg_ConvStrToYear (YearStr);
Crs_GetDataOfCourseByCod (Crs);
if (Crs_CheckIfICanEdit (Crs))
{
Deg.DegCod = Crs->DegCod;
Deg_GetDataOfDegreeByCod (&Deg);
if (NewYear <= Deg_MAX_YEARS_PER_DEGREE) // If year is valid
{
/***** If name of course was in database in the new year... *****/
if (Crs_CheckIfCourseNameExistsInCourses (Crs->DegCod,NewYear,"ShortName",Crs->ShortName,-1L))
{
sprintf (Gbl.Message,Txt_The_course_X_already_exists_in_year_Y,
Crs->ShortName,Txt_YEAR_OF_DEGREE[NewYear]);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
else if (Crs_CheckIfCourseNameExistsInCourses (Crs->DegCod,NewYear,"FullName",Crs->FullName,-1L))
{
sprintf (Gbl.Message,Txt_The_course_X_already_exists_in_year_Y,
Crs->FullName,Txt_YEAR_OF_DEGREE[NewYear]);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
else // Update year in database
{
/***** Update year in table of courses *****/
sprintf (Query,"UPDATE courses SET Year='%u' WHERE CrsCod='%ld'",
NewYear,Crs->CrsCod);
DB_QueryUPDATE (Query,"can not update the year of a course");
Crs->Year = NewYear;
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_The_year_of_the_course_X_has_changed,
Crs->ShortName);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Put button to go to course changed *****/
Crs_PutButtonToGoToCrs (Crs);
}
}
else // Year not valid
{
sprintf (Gbl.Message,Txt_The_year_X_is_not_allowed,NewYear);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
}
else
Lay_ShowAlert (Lay_WARNING,Txt_You_dont_have_permission_to_edit_this_course);
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/************* Change the institutional course code of a course **************/
/*****************************************************************************/
void Crs_UpdateInstitutionalCrsCod (struct Course *Crs,const char *NewInstitutionalCrsCod)
{
char Query[512];
/***** Update institutional course code in table of courses *****/
sprintf (Query,"UPDATE courses SET InsCrsCod='%s' WHERE CrsCod='%ld'",
NewInstitutionalCrsCod,Crs->CrsCod);
DB_QueryUPDATE (Query,"can not update the institutional code of the current course");
/***** Copy institutional course code *****/
strncpy (Crs->InstitutionalCrsCod,NewInstitutionalCrsCod,Crs_LENGTH_INSTITUTIONAL_CRS_COD);
Crs->InstitutionalCrsCod[Crs_LENGTH_INSTITUTIONAL_CRS_COD] = '\0';
}
/*****************************************************************************/
/********************* Change the short name of a course *********************/
/*****************************************************************************/
void Crs_RenameCourseShort (void)
{
struct Course *Crs;
Crs = &Gbl.Degs.EditingCrs;
if (Crs_RenameCourse (Crs,Cns_SHORT_NAME))
if (Crs->CrsCod == Gbl.CurrentCrs.Crs.CrsCod) // If renaming current course...
strcpy (Gbl.CurrentCrs.Crs.ShortName,Crs->ShortName); // Overwrite current course name in order to show correctly in page title and heading
}
/*****************************************************************************/
/********************* Change the full name of a course **********************/
/*****************************************************************************/
void Crs_RenameCourseFull (void)
{
struct Course *Crs;
Crs = &Gbl.Degs.EditingCrs;
if (Crs_RenameCourse (Crs,Cns_FULL_NAME))
if (Crs->CrsCod == Gbl.CurrentCrs.Crs.CrsCod) // If renaming current course...
strcpy (Gbl.CurrentCrs.Crs.FullName,Crs->FullName); // Overwrite current course name in order to show correctly in page title and heading
}
/*****************************************************************************/
/************************ Change the name of a course ************************/
/*****************************************************************************/
// Returns true if the course is renamed
// Returns false if the course is not renamed
static bool Crs_RenameCourse (struct Course *Crs,Cns_ShortOrFullName_t ShortOrFullName)
{
extern const char *Txt_You_can_not_leave_the_name_of_the_course_X_empty;
extern const char *Txt_The_course_X_already_exists;
extern const char *Txt_The_name_of_the_course_X_has_changed_to_Y;
extern const char *Txt_The_name_of_the_course_X_has_not_changed;
extern const char *Txt_You_dont_have_permission_to_edit_this_course;
char Query[512];
const char *ParamName = NULL; // Initialized to avoid warning
const char *FieldName = NULL; // Initialized to avoid warning
unsigned MaxLength = 0; // Initialized to avoid warning
char *CurrentCrsName = NULL; // Initialized to avoid warning
char NewCrsName[Crs_MAX_LENGTH_COURSE_FULL_NAME+1];
bool CourseHasBeenRenamed = false;
switch (ShortOrFullName)
{
case Cns_SHORT_NAME:
ParamName = "ShortName";
FieldName = "ShortName";
MaxLength = Crs_MAX_LENGTH_COURSE_SHORT_NAME;
CurrentCrsName = Crs->ShortName;
break;
case Cns_FULL_NAME:
ParamName = "FullName";
FieldName = "FullName";
MaxLength = Crs_MAX_LENGTH_COURSE_FULL_NAME;
CurrentCrsName = Crs->FullName;
break;
}
/***** Get parameters from form *****/
/* Get the code of the course */
if ((Crs->CrsCod = Crs_GetParamOtherCrsCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of course is missing.");
/* Get the new name for the course */
Par_GetParToText (ParamName,NewCrsName,MaxLength);
/***** Get from the database the data of the degree *****/
Crs_GetDataOfCourseByCod (Crs);
if (Crs_CheckIfICanEdit (Crs))
{
/***** Check if new name is empty *****/
if (!NewCrsName[0])
{
sprintf (Gbl.Message,Txt_You_can_not_leave_the_name_of_the_course_X_empty,
CurrentCrsName);
Gbl.Error = true;
}
else
{
/***** Check if old and new names are the same (this happens when user press enter with no changes in the form) *****/
if (strcmp (CurrentCrsName,NewCrsName)) // Different names
{
/***** If course was in database... *****/
if (Crs_CheckIfCourseNameExistsInCourses (Crs->DegCod,Crs->Year,ParamName,NewCrsName,Crs->CrsCod))
{
sprintf (Gbl.Message,Txt_The_course_X_already_exists,
NewCrsName);
Gbl.Error = true;
}
else
{
/* Update the table changing old name by new name */
sprintf (Query,"UPDATE courses SET %s='%s' WHERE CrsCod='%ld'",
FieldName,NewCrsName,Crs->CrsCod);
DB_QueryUPDATE (Query,"can not update the name of a course");
/* Write message to show the change made */
sprintf (Gbl.Message,Txt_The_name_of_the_course_X_has_changed_to_Y,
CurrentCrsName,NewCrsName);
/* Change current course name in order to display it properly */
strncpy (CurrentCrsName,NewCrsName,MaxLength);
CurrentCrsName[MaxLength] = '\0';
CourseHasBeenRenamed = true;
}
}
else // The same name
sprintf (Gbl.Message,Txt_The_name_of_the_course_X_has_not_changed,
CurrentCrsName);
}
}
else
{
strcpy (Gbl.Message,Txt_You_dont_have_permission_to_edit_this_course);
Gbl.Error = true;
}
return CourseHasBeenRenamed;
}
/*****************************************************************************/
/*********************** Change the status of a course ***********************/
/*****************************************************************************/
void Crs_ChangeCrsStatus (void)
{
extern const char *Txt_The_status_of_the_course_X_has_changed;
struct Course *Crs;
char Query[256];
char UnsignedNum[10+1];
Crs_Status_t Status;
Crs_StatusTxt_t StatusTxt;
Crs = &Gbl.Degs.EditingCrs;
/***** Get parameters from form *****/
/* Get course code */
if ((Crs->CrsCod = Crs_GetParamOtherCrsCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of course is missing.");
/* Get parameter with status */
Par_GetParToText ("Status",UnsignedNum,1);
if (sscanf (UnsignedNum,"%u",&Status) != 1)
Lay_ShowErrorAndExit ("Wrong status.");
StatusTxt = Crs_GetStatusTxtFromStatusBits (Status);
Status = Crs_GetStatusBitsFromStatusTxt (StatusTxt); // New status
/***** Get data of course *****/
Crs_GetDataOfCourseByCod (Crs);
/***** Update status in table of courses *****/
sprintf (Query,"UPDATE courses SET Status='%u' WHERE CrsCod='%ld'",
(unsigned) Status,Crs->CrsCod);
DB_QueryUPDATE (Query,"can not update the status of a course");
Crs->Status = Status;
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_The_status_of_the_course_X_has_changed,
Crs->ShortName);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Put button to go to course changed *****/
Crs_PutButtonToGoToCrs (Crs);
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/************* Show message of success after changing a course ***************/
/*****************************************************************************/
void Crs_ContEditAfterChgCrs (void)
{
if (Gbl.Error)
/***** Write error message *****/
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
else
{
/***** Write success message showing the change made *****/
Lay_ShowAlert (Lay_INFO,Gbl.Message);
/***** Put button to go to course changed *****/
Crs_PutButtonToGoToCrs (&Gbl.Degs.EditingCrs);
}
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/************************ Put button to go to course *************************/
/*****************************************************************************/
static void Crs_PutButtonToGoToCrs (struct Course *Crs)
{
extern const char *Txt_Go_to_X;
// If the course is different to the current one...
if (Crs->CrsCod != Gbl.CurrentCrs.Crs.CrsCod)
{
Act_FormStart (ActSeeCrsInf);
Crs_PutParamCrsCod (Crs->CrsCod);
sprintf (Gbl.Title,Txt_Go_to_X,Crs->ShortName);
Lay_PutConfirmButton (Gbl.Title);
Act_FormEnd ();
}
}
/*****************************************************************************/
/************************* Select one of my courses **************************/
/*****************************************************************************/
void Crs_ReqSelectOneOfMyCourses (void)
{
/***** Search / select more courses *****/
fprintf (Gbl.F.Out,"<div class=\"CONTEXT_MENU\">");
Crs_PutLinkToSearchCourses ();
fprintf (Gbl.F.Out,"</div>");
/***** Select one of my courses *****/
/* Fill the list with the courses I belong to, if not filled */
Usr_GetMyCourses ();
if (Gbl.Usrs.Me.MyCourses.Num)
/* Show my courses */
Crs_WriteListMyCoursesToSelectOne ();
else // I am not enrolled in any course
/* Show help to enroll me */
Hlp_ShowHelpWhatWouldYouLikeToDo ();
}
/*****************************************************************************/
/******************* Put a link (form) to search courses *********************/
/*****************************************************************************/
static void Crs_PutLinkToSearchCourses (void)
{
extern const char *Txt_Search_courses;
/***** Put form to search / select courses *****/
Lay_PutContextualLink ( Gbl.CurrentCrs.Crs.CrsCod > 0 ? ActCrsReqSch :
(Gbl.CurrentDeg.Deg.DegCod > 0 ? ActDegReqSch :
(Gbl.CurrentCtr.Ctr.CtrCod > 0 ? ActCtrReqSch :
(Gbl.CurrentIns.Ins.InsCod > 0 ? ActInsReqSch :
(Gbl.CurrentCty.Cty.CtyCod > 0 ? ActCtyReqSch :
ActSysReqSch)))),
Crs_PutLinkToSearchCoursesParams,
"search64x64.gif",
Txt_Search_courses,Txt_Search_courses);
}
static void Crs_PutLinkToSearchCoursesParams (void)
{
Sco_PutParamScope (Sco_SCOPE_SYS);
Par_PutHiddenParamUnsigned ("WhatToSearch",(unsigned) Sch_SEARCH_COURSES);
}
/*****************************************************************************/
/****************** Put a link (form) to select my courses *******************/
/*****************************************************************************/
void Crs_PutFormToSelectMyCourses (void)
{
extern const char *Txt_My_courses;
/***** Put form to search / select courses *****/
Lay_PutContextualLink (ActMyCrs,NULL,"hierarchy64x64.gif",
Txt_My_courses,Txt_My_courses);
}
/*****************************************************************************/
/******************** Write parameter with code of course ********************/
/*****************************************************************************/
void Crs_PutParamCrsCod (long CrsCod)
{
Par_PutHiddenParamLong ("crs",CrsCod);
}
/*****************************************************************************/
/******************** Write parameter with code of course ********************/
/*****************************************************************************/
static void Crs_PutParamOtherCrsCod (long CrsCod)
{
Par_PutHiddenParamLong ("OthCrsCod",CrsCod);
}
/*****************************************************************************/
/********************* Get parameter with code of course *********************/
/*****************************************************************************/
static long Crs_GetParamOtherCrsCod (void)
{
char LongStr[1+10+1];
/***** Get parameter with code of course *****/
Par_GetParToText ("OthCrsCod",LongStr,1+10);
return Str_ConvertStrCodToLongCod (LongStr);
}
/*****************************************************************************/
/************************** Write courses of a user **************************/
/*****************************************************************************/
void Crs_GetAndWriteCrssOfAUsr (long UsrCod,Rol_Role_t Role)
{
extern const char *Txt_Degree;
extern const char *Txt_Year_OF_A_DEGREE;
extern const char *Txt_Course;
extern const char *Txt_Students_ABBREVIATION;
extern const char *Txt_Teachers_ABBREVIATION;
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumCrss;
unsigned NumCrs;
/***** Get courses of a user from database *****/
sprintf (Query,"SELECT degrees.DegCod,courses.CrsCod,degrees.ShortName,degrees.FullName,"
"courses.Year,courses.FullName,centres.ShortName,crs_usr.Accepted"
" FROM crs_usr,courses,degrees,centres"
" WHERE crs_usr.UsrCod='%ld'"
" AND crs_usr.Role='%u'"
" AND crs_usr.CrsCod=courses.CrsCod"
" AND courses.DegCod=degrees.DegCod"
" AND degrees.CtrCod=centres.CtrCod"
" ORDER BY degrees.FullName,courses.Year,courses.FullName",
UsrCod,(unsigned) Role);
/***** List the courses (one row per course) *****/
if ((NumCrss = (unsigned) DB_QuerySELECT (Query,&mysql_res,"can not get courses of a user")))
{
/* Heading row */
fprintf (Gbl.F.Out,"<tr>"
"<th class=\"BM\"></th>"
"<th class=\"BM\"></th>"
"<th class=\"LEFT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"CENTER_MIDDLE\">"
"%s"
"</th>"
"<th class=\"LEFT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"RIGHT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"RIGHT_MIDDLE\">"
"%s"
"</th>"
"</tr>",
Txt_Degree,
Txt_Year_OF_A_DEGREE,
Txt_Course,
Txt_Students_ABBREVIATION,
Txt_Teachers_ABBREVIATION);
/* Write courses */
for (NumCrs = 1;
NumCrs <= NumCrss;
NumCrs++)
{
/* Get next course */
row = mysql_fetch_row (mysql_res);
/* Write data of this course */
Crs_WriteRowCrsData (NumCrs,row,true);
}
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/****************************** List courses found ***************************/
/*****************************************************************************/
// Returns number of courses found
unsigned Crs_ListCrssFound (const char *Query)
{
extern const char *Txt_Courses;
extern const char *Txt_course;
extern const char *Txt_courses;
extern const char *Txt_Degree;
extern const char *Txt_Year_OF_A_DEGREE;
extern const char *Txt_Course;
extern const char *Txt_Students_ABBREVIATION;
extern const char *Txt_Teachers_ABBREVIATION;
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumCrss;
unsigned NumCrs;
/***** Query database *****/
NumCrss = (unsigned) DB_QuerySELECT (Query,&mysql_res,"can not get courses");
/***** List the courses (one row per course) *****/
if (NumCrss)
{
/***** Write heading *****/
Lay_StartRoundFrameTable (NULL,2,Txt_Courses);
/* Number of courses found */
fprintf (Gbl.F.Out,"<tr>"
"<th colspan=\"6\" class=\"CENTER_MIDDLE\">");
if (NumCrss == 1)
fprintf (Gbl.F.Out,"1 %s",Txt_course);
else
fprintf (Gbl.F.Out,"%u %s",NumCrss,Txt_courses);
fprintf (Gbl.F.Out,"</th>"
"</tr>");
/* Heading row */
fprintf (Gbl.F.Out,"<tr>"
"<th class=\"BM\"></th>"
"<th class=\"LEFT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"CENTER_MIDDLE\">"
"%s"
"</th>"
"<th class=\"LEFT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"RIGHT_MIDDLE\">"
"%s"
"</th>"
"<th class=\"RIGHT_MIDDLE\">"
"%s"
"</th>"
"</tr>",
Txt_Degree,
Txt_Year_OF_A_DEGREE,
Txt_Course,
Txt_Students_ABBREVIATION,
Txt_Teachers_ABBREVIATION);
/* Write courses */
for (NumCrs = 1;
NumCrs <= NumCrss;
NumCrs++)
{
/* Get next course */
row = mysql_fetch_row (mysql_res);
/* Write data of this course */
Crs_WriteRowCrsData (NumCrs,row,false);
}
/***** Table end *****/
Lay_EndRoundFrameTable ();
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return NumCrss;
}
/*****************************************************************************/
/************** Write the data of a course (result of a query) ***************/
/*****************************************************************************/
static void Crs_WriteRowCrsData (unsigned NumCrs,MYSQL_ROW row,bool WriteColumnAccepted)
{
extern const char *Txt_Enrollment_confirmed;
extern const char *Txt_Enrollment_not_confirmed;
extern const char *Txt_Go_to_X;
extern const char *Txt_YEAR_OF_DEGREE[1+Deg_MAX_YEARS_PER_DEGREE];
struct Degree Deg;
long CrsCod;
unsigned NumStds;
unsigned NumTchs;
const char *Style;
const char *StyleNoBR;
const char *BgColor;
bool Accepted;
/*
SELECT degrees.DegCod, 0
courses.CrsCod, 1
degrees.ShortName, 2
degrees.FullName, 3
courses.Year, 4
courses.FullName, 5
centres.ShortName 6
*/
/***** Get degree code (row[0]) *****/
if ((Deg.DegCod = Str_ConvertStrCodToLongCod (row[0])) < 0)
Lay_ShowErrorAndExit ("Wrong code of degree.");
if (!Deg_GetDataOfDegreeByCod (&Deg))
Lay_ShowErrorAndExit ("Degree not found.");
/***** Get course code (row[1]) *****/
if ((CrsCod = Str_ConvertStrCodToLongCod (row[1])) < 0)
Lay_ShowErrorAndExit ("Wrong code of course.");
/***** Get number of students and teachers in this course *****/
NumStds = Usr_GetNumUsrsInCrs (Rol_STUDENT,CrsCod);
NumTchs = Usr_GetNumUsrsInCrs (Rol_TEACHER,CrsCod);
if (NumStds + NumTchs)
{
Style = "DAT_N";
StyleNoBR = "DAT_NOBR_N";
}
else
{
Style = "DAT";
StyleNoBR = "DAT_NOBR";
}
BgColor = (CrsCod == Gbl.CurrentCrs.Crs.CrsCod) ? "LIGHT_BLUE" :
Gbl.ColorRows[Gbl.RowEvenOdd];
/***** Start row *****/
fprintf (Gbl.F.Out,"<tr>");
/***** Teacher has accepted joining to this course/to any course in degree/to any course? *****/
if (WriteColumnAccepted)
{
Accepted = (Str_ConvertToUpperLetter (row[8][0]) == 'Y');
fprintf (Gbl.F.Out,"<td class=\"BT %s\">"
"<img src=\"%s/%s16x16.gif\""
" alt=\"%s\" title=\"%s\""
" class=\"ICON20x20\" />"
"</td>",
BgColor,
Gbl.Prefs.IconsURL,
Accepted ? "ok_on" :
"tr",
Accepted ? Txt_Enrollment_confirmed :
Txt_Enrollment_not_confirmed,
Accepted ? Txt_Enrollment_confirmed :
Txt_Enrollment_not_confirmed);
}
/***** Write number of course in this search *****/
fprintf (Gbl.F.Out,"<td class=\"%s RIGHT_TOP %s\">"
"%u"
"</td>",
StyleNoBR,BgColor,NumCrs);
/***** Write degree logo, degree short name (row[2])
and centre short name (row[6]) *****/
fprintf (Gbl.F.Out,"<td class=\"%s LEFT_TOP %s\">",
StyleNoBR,BgColor);
Act_FormGoToStart (ActSeeDegInf);
Deg_PutParamDegCod (Deg.DegCod);
sprintf (Gbl.Title,Txt_Go_to_X,row[2]);
Act_LinkFormSubmit (Gbl.Title,StyleNoBR);
Log_DrawLogo (Sco_SCOPE_DEG,Deg.DegCod,Deg.ShortName,20,"CENTER_TOP",true);
fprintf (Gbl.F.Out," %s (%s)"
"</a>",
row[2],row[6]);
Act_FormEnd ();
fprintf (Gbl.F.Out,"</td>");
/***** Write year (row[4]) *****/
fprintf (Gbl.F.Out,"<td class=\"%s CENTER_TOP %s\">"
"%s"
"</td>",
Style,BgColor,Txt_YEAR_OF_DEGREE[Deg_ConvStrToYear (row[4])]);
/***** Write course full name (row[5]) *****/
fprintf (Gbl.F.Out,"<td class=\"%s LEFT_TOP %s\">",
Style,BgColor);
Act_FormGoToStart (ActSeeCrsInf);
Crs_PutParamCrsCod (CrsCod);
sprintf (Gbl.Title,Txt_Go_to_X,row[6]);
Act_LinkFormSubmit (Gbl.Title,Style);
fprintf (Gbl.F.Out,"%s</a>",row[5]);
Act_FormEnd ();
fprintf (Gbl.F.Out,"</td>");
/***** Write number of students in course *****/
fprintf (Gbl.F.Out,"<td class=\"%s RIGHT_TOP %s\">"
"%u"
"</td>",
Style,BgColor,NumStds);
/***** Write number of teachers in course *****/
fprintf (Gbl.F.Out,"<td class=\"%s RIGHT_TOP %s\">"
"%u"
"</td>"
"</tr>",
Style,BgColor,NumTchs);
Gbl.RowEvenOdd = 1 - Gbl.RowEvenOdd;
}
/*****************************************************************************/
/***************** Update my last click in current course ********************/
/*****************************************************************************/
void Crs_UpdateCrsLast (void)
{
char Query[256];
if (Gbl.CurrentCrs.Crs.CrsCod > 0 &&
Gbl.Usrs.Me.LoggedRole >= Rol_STUDENT)
{
/***** Update my last access to current course *****/
sprintf (Query,"REPLACE INTO crs_last (CrsCod,LastTime)"
" VALUES ('%ld',NOW())",
Gbl.CurrentCrs.Crs.CrsCod);
DB_QueryUPDATE (Query,"can not update last access to current course");
}
}
/*****************************************************************************/
/********************** Write form to remove old courses *********************/
/*****************************************************************************/
void Crs_AskRemoveOldCrss (void)
{
extern const char *The_ClassForm[The_NUM_THEMES];
extern const char *Txt_Eliminate_old_courses;
extern const char *Txt_Eliminate_all_courses_whithout_users_PART_1_OF_2;
extern const char *Txt_Eliminate_all_courses_whithout_users_PART_2_OF_2;
extern const char *Txt_Eliminate;
unsigned MonthsWithoutAccess = Crs_DEF_MONTHS_WITHOUT_ACCESS_TO_REMOVE_OLD_CRSS;
unsigned i;
/***** Start form *****/
Act_FormStart (ActRemOldCrs);
/***** Start frame *****/
Lay_StartRoundFrame (NULL,Txt_Eliminate_old_courses,NULL);
/***** Form to request number of months without clicks *****/
fprintf (Gbl.F.Out,"<span class=\"%s\">%s </span>",
The_ClassForm[Gbl.Prefs.Theme],
Txt_Eliminate_all_courses_whithout_users_PART_1_OF_2);
fprintf (Gbl.F.Out,"<select name=\"Months\">");
for (i = Crs_MIN_MONTHS_WITHOUT_ACCESS_TO_REMOVE_OLD_CRSS;
i <= Crs_MAX_MONTHS_WITHOUT_ACCESS_TO_REMOVE_OLD_CRSS;
i++)
{
fprintf (Gbl.F.Out,"<option");
if (i == MonthsWithoutAccess)
fprintf (Gbl.F.Out," selected=\"selected\"");
fprintf (Gbl.F.Out,">%u</option>",i);
}
fprintf (Gbl.F.Out,"</select>"
"<span class=\"%s\"> ",
The_ClassForm[Gbl.Prefs.Theme]);
fprintf (Gbl.F.Out,Txt_Eliminate_all_courses_whithout_users_PART_2_OF_2,
Cfg_PLATFORM_SHORT_NAME);
fprintf (Gbl.F.Out,"</span>");
/***** End frame *****/
Lay_EndRoundFrameWithButton (Lay_REMOVE_BUTTON,Txt_Eliminate);
/***** End form *****/
Act_FormEnd ();
}
/*****************************************************************************/
/**************************** Remove old courses *****************************/
/*****************************************************************************/
void Crs_RemoveOldCrss (void)
{
extern const char *Txt_Eliminating_X_courses_whithout_users_and_with_more_than_Y_months_without_access;
extern const char *Txt_X_courses_have_been_eliminated;
char UnsignedStr[10+1];
unsigned MonthsWithoutAccess;
unsigned long SecondsWithoutAccess;
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumCrs;
unsigned long NumCrss;
unsigned NumCrssRemoved = 0;
long CrsCod;
/***** Get parameter with number of months without access *****/
Par_GetParToText ("Months",UnsignedStr,10);
if (sscanf (UnsignedStr,"%u",&MonthsWithoutAccess) != 1)
Lay_ShowErrorAndExit ("Number of months without clicks is missing.");
if (MonthsWithoutAccess < Crs_MIN_MONTHS_WITHOUT_ACCESS_TO_REMOVE_OLD_CRSS ||
MonthsWithoutAccess > Crs_MAX_MONTHS_WITHOUT_ACCESS_TO_REMOVE_OLD_CRSS)
Lay_ShowErrorAndExit ("Wrong number of months without clicks.");
SecondsWithoutAccess = (unsigned long) MonthsWithoutAccess * Dat_SECONDS_IN_ONE_MONTH;
/***** Get old courses from database *****/
sprintf (Query,"SELECT CrsCod FROM crs_last WHERE"
" LastTime<FROM_UNIXTIME(UNIX_TIMESTAMP()-'%lu')"
" AND CrsCod NOT IN (SELECT DISTINCT CrsCod FROM crs_usr)",
SecondsWithoutAccess);
if ((NumCrss = DB_QuerySELECT (Query,&mysql_res,"can not get old users")))
{
sprintf (Gbl.Message,Txt_Eliminating_X_courses_whithout_users_and_with_more_than_Y_months_without_access,
NumCrss,
MonthsWithoutAccess,
Cfg_PLATFORM_SHORT_NAME);
Lay_ShowAlert (Lay_INFO,Gbl.Message);
/***** Remove courses *****/
for (NumCrs = 0;
NumCrs < NumCrss;
NumCrs++)
{
row = mysql_fetch_row (mysql_res);
CrsCod = Str_ConvertStrCodToLongCod (row[0]);
Crs_RemoveCourseCompletely (CrsCod);
NumCrssRemoved++;
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/***** Write end message *****/
sprintf (Gbl.Message,Txt_X_courses_have_been_eliminated,
NumCrssRemoved);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
}
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