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swad-core/swad_social.c

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// swad_social.c: social networking (timeline)
/*
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) 1999-2015 Antonio Cañas Vargas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General 3 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 <stdlib.h> // For malloc and free
#include <string.h> // For string functions
#include <sys/types.h> // For time_t
#include "swad_constant.h"
#include "swad_database.h"
#include "swad_exam.h"
#include "swad_follow.h"
#include "swad_global.h"
#include "swad_layout.h"
#include "swad_notice.h"
#include "swad_parameter.h"
#include "swad_social.h"
/*****************************************************************************/
/****************************** Public constants *****************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private constants *****************************/
/*****************************************************************************/
#define Soc_MAX_BYTES_SUMMARY 100
static const Act_Action_t Soc_DefaultActions[Soc_NUM_SOCIAL_NOTES] =
{
ActUnk, // Soc_NOTE_UNKNOWN
/* Institution tab */
ActSeeDocIns, // Soc_NOTE_INS_DOC_PUB_FILE
ActAdmComIns, // Soc_NOTE_INS_SHA_PUB_FILE
/* Centre tab */
ActSeeDocCtr, // Soc_NOTE_CTR_DOC_PUB_FILE
ActAdmComCtr, // Soc_NOTE_CTR_SHA_PUB_FILE
/* Degree tab */
ActSeeDocDeg, // Soc_NOTE_DEG_DOC_PUB_FILE
ActAdmComDeg, // Soc_NOTE_DEG_SHA_PUB_FILE
/* Course tab */
ActSeeDocCrs, // Soc_NOTE_CRS_DOC_PUB_FILE
ActAdmShaCrs, // Soc_NOTE_CRS_SHA_PUB_FILE
/* Assessment tab */
ActSeeExaAnn, // Soc_NOTE_EXAM_ANNOUNCEMENT
/* Users tab */
/* Social tab */
ActSeeSocAct, // Soc_NOTE_SOCIAL_POST (action not used)
ActSeeFor, // Soc_NOTE_FORUM_POST
/* Messages tab */
ActShoNot, // Soc_NOTE_NOTICE
/* Statistics tab */
/* Profile tab */
};
/*****************************************************************************/
/****************************** Internal types *******************************/
/*****************************************************************************/
struct SocialNote
{
long SocCod;
Soc_SocialNote_t SocialNote;
long UsrCod;
long CtyCod;
long InsCod;
long CtrCod;
long DegCod;
long CrsCod;
long Cod;
time_t DateTimeUTC;
};
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/************************* Internal global variables *************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private prototypes ****************************/
/*****************************************************************************/
static unsigned long Soc_ShowTimeline (const char *Query,Act_Action_t UpdateAction);
static Soc_SocialNote_t Soc_GetSocialNoteFromDB (const char *Str);
static void Soc_WriteSocialNote (const struct SocialNote *Soc,
struct UsrData *UsrDat,
bool PutIconRemove);
static void Soc_WriteNoteDate (time_t TimeUTC);
static void Soc_StartFormGoToAction (Soc_SocialNote_t SocialNote,
long CrsCod,long Cod);
static void Soc_GetNoteSummary (const struct SocialNote *Soc,
char *SummaryStr,unsigned MaxChars);
static void Soc_PutLinkToWriteANewPost (void);
static void Soc_GetAndWriteSocialPost (long PstCod);
static void Soc_PutFormToRemoveSocialNote (long SocCod);
static void Soc_PutHiddenParamSocCod (long SocCod);
static long Soc_GetParamSocCod (void);
static void Soc_GetDataOfSocialNoteByCod (struct SocialNote *Soc);
static void Soc_GetDataOfSocialNoteFromRow (MYSQL_ROW row,struct SocialNote *Soc);
/*****************************************************************************/
/*********** Show social activity (timeline) of a selected user **************/
/*****************************************************************************/
void Soc_ShowUsrTimeline (long UsrCod)
{
char Query[512];
/***** Build query to show timeline including the users I am following *****/
sprintf (Query,"SELECT SocCod,SocialNote,UsrCod,"
"CtyCod,InsCod,CtrCod,DegCod,CrsCod,"
"Cod,UNIX_TIMESTAMP(TimeNote)"
" FROM social_notes"
" WHERE UsrCod='%ld'"
" ORDER BY SocCod DESC LIMIT 10",
UsrCod);
/***** Show timeline *****/
Soc_ShowTimeline (Query,ActUnk);
}
/*****************************************************************************/
/***** Show social activity (timeline) including all the users I follow ******/
/*****************************************************************************/
void Soc_ShowFollowingTimeline (void)
{
char Query[512];
/***** Link to write a new social post (public comment) *****/
if (Gbl.CurrentAct != ActReqSocPst)
Soc_PutLinkToWriteANewPost ();
/***** Show warning if I do not follow anyone *****/
if (!Fol_GetNumFollowing (Gbl.Usrs.Me.UsrDat.UsrCod))
Lay_ShowAlert (Lay_INFO,"Usted no sigue a ning&uacute;n usuario."); // Need translation!!!
/***** Build query to show timeline including the users I am following *****/
sprintf (Query,"SELECT SocCod,SocialNote,UsrCod,"
"CtyCod,InsCod,CtrCod,DegCod,CrsCod,"
"Cod,UNIX_TIMESTAMP(TimeNote)"
" FROM social_notes"
" WHERE UsrCod IN"
" (SELECT '%ld'"
" UNION"
" SELECT FollowedCod FROM usr_follow WHERE FollowerCod='%ld')"
" ORDER BY SocCod DESC LIMIT 10",
Gbl.Usrs.Me.UsrDat.UsrCod,
Gbl.Usrs.Me.UsrDat.UsrCod);
/***** Show timeline *****/
if (!Soc_ShowTimeline (Query,ActSeeSocAct))
Lay_ShowAlert (Lay_INFO,"No hay actividad p&uacute;blica."); // Need translation!!!
}
/*****************************************************************************/
/*********************** Show social activity (timeline) *********************/
/*****************************************************************************/
// UpdateAction == ActUnk ==> no form to update is displayed
static unsigned long Soc_ShowTimeline (const char *Query,Act_Action_t UpdateAction)
{
extern const char *Txt_Public_activity;
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumNotes;
unsigned long NumNote;
struct SocialNote Soc;
struct UsrData UsrDat;
/***** Get timeline from database *****/
NumNotes = DB_QuerySELECT (Query,&mysql_res,"can not get social notes");
/***** List my timeline *****/
if (NumNotes) // Notes found
{
/***** Initialize structure with user's data *****/
Usr_UsrDataConstructor (&UsrDat);
/***** Start frame *****/
Lay_StartRoundFrame ("560px",Txt_Public_activity);
/***** Form to update timeline *****/
if (UpdateAction != ActUnk)
Act_PutLinkToUpdateAction (UpdateAction);
/***** Start list *****/
fprintf (Gbl.F.Out,"<ul class=\"LIST_LEFT\">");
/***** List notes one by one *****/
for (NumNote = 0;
NumNote < NumNotes;
NumNote++)
{
/* Get next social note */
row = mysql_fetch_row (mysql_res);
Soc_GetDataOfSocialNoteFromRow (row,&Soc);
/* Write row for this social note */
Soc_WriteSocialNote (&Soc,&UsrDat,true);
}
/***** End list *****/
fprintf (Gbl.F.Out,"</ul>");
/***** End frame *****/
Lay_EndRoundFrame ();
/***** Free memory used for user's data *****/
Usr_UsrDataDestructor (&UsrDat);
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return NumNotes;
}
/*****************************************************************************/
/****** Get social note type from string number coming from database ********/
/*****************************************************************************/
static Soc_SocialNote_t Soc_GetSocialNoteFromDB (const char *Str)
{
unsigned UnsignedNum;
if (sscanf (Str,"%u",&UnsignedNum) == 1)
if (UnsignedNum < Soc_NUM_SOCIAL_NOTES)
return (Soc_SocialNote_t) UnsignedNum;
return Soc_NOTE_UNKNOWN;
}
/*****************************************************************************/
/**************************** Write social note ******************************/
/*****************************************************************************/
static void Soc_WriteSocialNote (const struct SocialNote *Soc,
struct UsrData *UsrDat,
bool PutIconRemove)
{
extern const char *The_ClassForm[The_NUM_THEMES];
extern const char *Txt_SOCIAL_NOTE[Soc_NUM_SOCIAL_NOTES];
extern const char *Txt_Forum;
extern const char *Txt_Course;
extern const char *Txt_Degree;
extern const char *Txt_Centre;
extern const char *Txt_Institution;
extern const char *Txt_Country;
struct Country Cty;
struct Institution Ins;
struct Centre Ctr;
struct Degree Deg;
struct Course Crs;
bool ShowPhoto = false;
char PhotoURL[PATH_MAX+1];
char ForumName[512];
char SummaryStr[Cns_MAX_BYTES_TEXT+1];
/***** Get details *****/
/* Get author data */
UsrDat->UsrCod = Soc->UsrCod;
Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (UsrDat);
/* Get country data */
Cty.CtyCod = Soc->CtyCod;
Cty_GetDataOfCountryByCod (&Cty,Cty_GET_BASIC_DATA);
/* Get institution data */
Ins.InsCod = Soc->InsCod;
Ins_GetDataOfInstitutionByCod (&Ins,Ins_GET_BASIC_DATA);
/* Get centre data */
Ctr.CtrCod = Soc->CtrCod;
Ctr_GetDataOfCentreByCod (&Ctr);
/* Get degree data */
Deg.DegCod = Soc->DegCod;
Deg_GetDataOfDegreeByCod (&Deg);
/* Get course data */
Crs.CrsCod = Soc->CrsCod;
Crs_GetDataOfCourseByCod (&Crs);
/* Get forum type of the post */
if (Soc->SocialNote == Soc_NOTE_FORUM_POST)
{
Gbl.Forum.ForumType = For_GetForumTypeOfAPost (Soc->Cod);
For_SetForumName (Gbl.Forum.ForumType,
&Ins,
&Ctr,
&Deg,
&Crs,
ForumName,Gbl.Prefs.Language,false); // Set forum name in recipient's language
Gbl.Forum.Ins.InsCod = Ins.InsCod;
Gbl.Forum.Ctr.CtrCod = Ctr.CtrCod;
Gbl.Forum.Deg.DegCod = Deg.DegCod;
Gbl.Forum.Crs.CrsCod = Crs.CrsCod;
}
/***** Start list item *****/
fprintf (Gbl.F.Out,"<li>");
/***** Left: write author's photo *****/
fprintf (Gbl.F.Out,"<div class=\"SOCIAL_LEFT_PHOTO\">");
ShowPhoto = Pho_ShowUsrPhotoIsAllowed (UsrDat,PhotoURL);
Pho_ShowUsrPhoto (UsrDat,ShowPhoto ? PhotoURL :
NULL,
"PHOTO60x80",Pho_ZOOM);
fprintf (Gbl.F.Out,"</div>");
/***** Right: author's name, time and summary *****/
fprintf (Gbl.F.Out,"<div class=\"SOCIAL_RIGHT_CONTAINER\">");
/* Write author's full name and nickname */
Str_LimitLengthHTMLStr (UsrDat->FullName,20);
fprintf (Gbl.F.Out,"<div class=\"SOCIAL_RIGHT_AUTHOR\">"
"<span class=\"DAT_N_BOLD\">%s</span>"
"<span class=\"DAT_LIGHT\"> @%s</span>"
"</div>",
UsrDat->FullName,UsrDat->Nickname);
/* Write date and time */
Soc_WriteNoteDate (Soc->DateTimeUTC);
if (Soc->SocialNote == Soc_NOTE_SOCIAL_POST)
{
/* Write post content */
fprintf (Gbl.F.Out,"<div class=\"DAT\">");
Soc_GetAndWriteSocialPost (Soc->Cod);
fprintf (Gbl.F.Out,"</div>");
/* Write form to remove this note */
if (PutIconRemove &&
Gbl.Usrs.Me.Logged &&
UsrDat->UsrCod == Gbl.Usrs.Me.UsrDat.UsrCod) // I am the author
Soc_PutFormToRemoveSocialNote (Soc->SocCod);
}
else
{
/* Write note type and location */
fprintf (Gbl.F.Out,"<div>");
Soc_StartFormGoToAction (Soc->SocialNote,Crs.CrsCod,Soc->Cod);
Act_LinkFormSubmit (Txt_SOCIAL_NOTE[Soc->SocialNote],
The_ClassForm[Gbl.Prefs.Theme]);
fprintf (Gbl.F.Out,"%s</a>",
Txt_SOCIAL_NOTE[Soc->SocialNote]);
Act_FormEnd ();
fprintf (Gbl.F.Out,"</div>");
if (Soc->SocialNote == Soc_NOTE_FORUM_POST)
fprintf (Gbl.F.Out,"<div class=\"DAT\">%s: %s</div>",
Txt_Forum,ForumName);
else if (Crs.CrsCod > 0)
fprintf (Gbl.F.Out,"<div class=\"DAT\">%s: %s</div>",
Txt_Course,Crs.ShortName);
else if (Deg.DegCod > 0)
fprintf (Gbl.F.Out,"<div class=\"DAT\">%s: %s</div>",
Txt_Degree,Deg.ShortName);
else if (Ctr.CtrCod > 0)
fprintf (Gbl.F.Out,"<div class=\"DAT\">%s: %s</div>",
Txt_Centre,Ctr.ShortName);
else if (Ins.InsCod > 0)
fprintf (Gbl.F.Out,"<div class=\"DAT\">%s: %s</div>",
Txt_Institution,Ins.ShortName);
else if (Cty.CtyCod > 0)
fprintf (Gbl.F.Out,"<div class=\"DAT\">%s: %s</div>",
Txt_Country,Cty.Name[Gbl.Prefs.Language]);
/* Write content of the note */
Soc_GetNoteSummary (Soc,SummaryStr,Soc_MAX_BYTES_SUMMARY);
fprintf (Gbl.F.Out,"<div class=\"DAT\">%s</div>",SummaryStr);
}
/* End of right part */
fprintf (Gbl.F.Out,"</div>");
/***** End list item *****/
fprintf (Gbl.F.Out,"</li>");
}
/*****************************************************************************/
/**************** Write the date of creation of a social note ***************/
/*****************************************************************************/
// TimeUTC holds UTC date and time in UNIX format (seconds since 1970)
static void Soc_WriteNoteDate (time_t TimeUTC)
{
extern const char *Txt_Today;
static unsigned UniqueId = 0;
UniqueId++;
/***** Start cell *****/
fprintf (Gbl.F.Out,"<div id=\"date_%u\" class=\"SOCIAL_RIGHT_TIME DAT_LIGHT\""
" style=\"display:inline-block;\">",
UniqueId);
/***** Write date and time *****/
fprintf (Gbl.F.Out,"<script type=\"text/javascript\">"
"writeLocalDateTimeFromUTC('date_%u',%ld,'&nbsp;','%s');"
"</script>",
UniqueId,(long) TimeUTC,Txt_Today);
/***** End cell *****/
fprintf (Gbl.F.Out,"</div>");
}
/*****************************************************************************/
/********* Put form to go to an action depending on the social note **********/
/*****************************************************************************/
static void Soc_StartFormGoToAction (Soc_SocialNote_t SocialNote,
long CrsCod,long Cod)
{
extern const Act_Action_t For_ActionsSeeFor[For_NUM_TYPES_FORUM];
struct FileMetadata FileMetadata;
long GrpCod = -1L;
char PathUntilFileName[PATH_MAX+1];
char FileName[NAME_MAX+1];
Act_Action_t Action = ActUnk; // Initialized to avoid warning
/***** Parameters depending on the type of note *****/
switch (SocialNote)
{
case Soc_NOTE_INS_DOC_PUB_FILE:
case Soc_NOTE_INS_SHA_PUB_FILE:
case Soc_NOTE_CTR_DOC_PUB_FILE:
case Soc_NOTE_CTR_SHA_PUB_FILE:
case Soc_NOTE_DEG_DOC_PUB_FILE:
case Soc_NOTE_DEG_SHA_PUB_FILE:
case Soc_NOTE_CRS_DOC_PUB_FILE:
case Soc_NOTE_CRS_SHA_PUB_FILE:
if (Cod > 0) // File code
{
FileMetadata.FilCod = Cod;
Brw_GetFileMetadataByCod (&FileMetadata);
Brw_GetCrsGrpFromFileMetadata (FileMetadata.FileBrowser,FileMetadata.Cod,&CrsCod,&GrpCod);
Str_SplitFullPathIntoPathAndFileName (FileMetadata.Path,
PathUntilFileName,
FileName);
}
switch (SocialNote)
{
case Soc_NOTE_INS_DOC_PUB_FILE:
Action = (Cod > 0) ? ActReqDatSeeDocIns : ActSeeDocIns;
break;
case Soc_NOTE_INS_SHA_PUB_FILE:
Action = (Cod > 0) ? ActReqDatShaIns : ActAdmComIns;
break;
case Soc_NOTE_CTR_DOC_PUB_FILE:
Action = (Cod > 0) ? ActReqDatSeeDocCtr : ActSeeDocCtr;
break;
case Soc_NOTE_CTR_SHA_PUB_FILE:
Action = (Cod > 0) ? ActReqDatShaCtr : ActAdmComCtr;
break;
case Soc_NOTE_DEG_DOC_PUB_FILE:
Action = (Cod > 0) ? ActReqDatSeeDocDeg : ActSeeDocDeg;
break;
case Soc_NOTE_DEG_SHA_PUB_FILE:
Action = (Cod > 0) ? ActReqDatShaDeg : ActAdmComDeg;
break;
case Soc_NOTE_CRS_DOC_PUB_FILE:
Action = (Cod > 0) ? ActReqDatSeeDocCrs : ActSeeDocCrs;
break;
case Soc_NOTE_CRS_SHA_PUB_FILE:
Action = (Cod > 0) ? ActReqDatShaCrs : ActAdmShaCrs;
break;
default: // Not aplicable here
break;
}
Act_FormStart (Action);
Grp_PutParamGrpCod (-1L);
if (Cod > 0) // File code
Brw_PutParamsPathAndFile (Brw_IS_FILE,PathUntilFileName,FileName);
break;
case Soc_NOTE_NOTICE:
Act_FormStart (Soc_DefaultActions[SocialNote]);
Not_PutHiddenParamNotCod (Cod);
break;
case Soc_NOTE_FORUM_POST:
Act_FormStart (For_ActionsSeeFor[Gbl.Forum.ForumType]);
For_PutAllHiddenParamsForum ();
break;
default:
Act_FormStart (Soc_DefaultActions[SocialNote]);
break;
}
/***** Parameter to go to another course *****/
if (CrsCod > 0 && // Course specified
CrsCod != Gbl.CurrentCrs.Crs.CrsCod) // Not the current course
Crs_PutParamCrsCod (CrsCod); // Go to another course
}
/*****************************************************************************/
/******************* Get social note summary and content ********************/
/*****************************************************************************/
static void Soc_GetNoteSummary (const struct SocialNote *Soc,
char *SummaryStr,unsigned MaxChars)
{
SummaryStr[0] = '\0';
switch (Soc->SocialNote)
{
case Soc_NOTE_UNKNOWN:
break;
case Soc_NOTE_INS_DOC_PUB_FILE:
case Soc_NOTE_INS_SHA_PUB_FILE:
case Soc_NOTE_CTR_DOC_PUB_FILE:
case Soc_NOTE_CTR_SHA_PUB_FILE:
case Soc_NOTE_DEG_DOC_PUB_FILE:
case Soc_NOTE_DEG_SHA_PUB_FILE:
case Soc_NOTE_CRS_DOC_PUB_FILE:
case Soc_NOTE_CRS_SHA_PUB_FILE:
Brw_GetSummaryAndContentOrSharedFile (SummaryStr,NULL,Soc->Cod,MaxChars,false);
break;
case Soc_NOTE_EXAM_ANNOUNCEMENT:
Exa_GetSummaryAndContentExamAnnouncement (SummaryStr,NULL,Soc->Cod,MaxChars,false);
break;
case Soc_NOTE_SOCIAL_POST:
// Not applicable
break;
case Soc_NOTE_FORUM_POST:
For_GetSummaryAndContentForumPst (SummaryStr,NULL,Soc->Cod,MaxChars,false);
break;
case Soc_NOTE_NOTICE:
Not_GetSummaryAndContentNotice (SummaryStr,NULL,Soc->Cod,MaxChars,false);
break;
}
}
/*****************************************************************************/
/********************* Store a social note into database ********************/
/*****************************************************************************/
void Soc_StoreSocialNote (Soc_SocialNote_t SocialNote,long Cod)
{
char Query[512];
long CtyCod;
long InsCod;
long CtrCod;
long DegCod;
long CrsCod;
if (SocialNote == Soc_NOTE_FORUM_POST)
{
// CtyCod = Gbl.Forum.Cty.CtyCod;
// InsCod = Gbl.Forum.Ins.InsCod;
// CtrCod = Gbl.Forum.Ctr.CtrCod;
// DegCod = Gbl.Forum.Deg.DegCod;
// CrsCod = Gbl.Forum.Crs.CrsCod;
CtyCod = -1L;
InsCod = -1L;
CtrCod = -1L;
DegCod = -1L;
CrsCod = -1L;
}
else
{
CtyCod = Gbl.CurrentCty.Cty.CtyCod;
InsCod = Gbl.CurrentIns.Ins.InsCod;
CtrCod = Gbl.CurrentCtr.Ctr.CtrCod;
DegCod = Gbl.CurrentDeg.Deg.DegCod;
CrsCod = Gbl.CurrentCrs.Crs.CrsCod;
}
/***** Store social note *****/
sprintf (Query,"INSERT INTO social_notes (SocialNote,UsrCod,"
"CtyCod,InsCod,CtrCod,DegCod,CrsCod,"
"Cod,TimeNote)"
" VALUES ('%u','%ld',"
"'%ld','%ld','%ld','%ld','%ld',"
"'%ld',NOW())",
(unsigned) SocialNote,Gbl.Usrs.Me.UsrDat.UsrCod,
CtyCod,InsCod,CtrCod,DegCod,CrsCod,
Cod);
DB_QueryINSERT (Query,"can not create new social note");
}
/*****************************************************************************/
/***************** Put contextual link to write a new post *******************/
/*****************************************************************************/
static void Soc_PutLinkToWriteANewPost (void)
{
extern const char *Txt_New_comment;
fprintf (Gbl.F.Out,"<div class=\"CONTEXT_MENU\">");
Lay_PutContextualLink (ActReqSocPst,NULL,"write64x64.gif",
Txt_New_comment,Txt_New_comment);
fprintf (Gbl.F.Out,"</div>");
}
/*****************************************************************************/
/****************** Form to write a new public comment ***********************/
/*****************************************************************************/
void Soc_FormSocialPost (void)
{
extern const char *Txt_New_comment;
extern const char *Txt_Send_comment;
/***** Form to write a new public comment *****/
/* Start frame */
Lay_StartRoundFrame ("560px",Txt_New_comment);
/* Start form to write the post */
Act_FormStart (ActRcvSocPst);
/* Content of new post */
fprintf (Gbl.F.Out,"<textarea name=\"Content\" cols=\"50\" rows=\"5\">"
"</textarea>");
Lay_HelpPlainEditor ();
/* Send button */
Lay_PutCreateButton (Txt_Send_comment);
/* End form */
Act_FormEnd ();
/* End frame */
Lay_EndRoundFrame ();
/***** Write current timeline *****/
Soc_ShowFollowingTimeline ();
}
/*****************************************************************************/
/******************* Receive and store a new public post *********************/
/*****************************************************************************/
void Soc_ReceiveSocialPost (void)
{
char Content[Cns_MAX_BYTES_LONG_TEXT+1];
char Query[128+Cns_MAX_BYTES_LONG_TEXT];
long PstCod;
/***** Get and store new post *****/
/* Get the content of the post */
Par_GetParAndChangeFormat ("Content",Content,Cns_MAX_BYTES_LONG_TEXT,
Str_TO_RIGOROUS_HTML,true);
/* Insert post content in the database */
sprintf (Query,"INSERT INTO social_posts (Content) VALUES ('%s')",
Content);
PstCod = DB_QueryINSERTandReturnCode (Query,"can not create post");
/* Insert post in social notes */
Soc_StoreSocialNote (Soc_NOTE_SOCIAL_POST,PstCod);
/***** Write current timeline *****/
Soc_ShowFollowingTimeline ();
}
/*****************************************************************************/
/***************** Get from database and write public post *******************/
/*****************************************************************************/
static void Soc_GetAndWriteSocialPost (long PstCod)
{
char Query[128];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRows;
char Content[Cns_MAX_BYTES_LONG_TEXT+1];
/***** Get social post from database *****/
sprintf (Query,"SELECT Content FROM social_posts WHERE PstCod='%ld'",
PstCod);
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get the content of a social post");
/***** Result should have a unique row *****/
if (NumRows == 1)
{
/***** Get number of rows *****/
row = mysql_fetch_row (mysql_res);
/****** Get content (row[0]) *****/
strncpy (Content,row[0],Cns_MAX_BYTES_LONG_TEXT);
Content[Cns_MAX_BYTES_LONG_TEXT] = '\0';
}
else
Content[0] = '\0';
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
/***** Write content *****/
Msg_WriteMsgContent (Content,Cns_MAX_BYTES_LONG_TEXT,true,false);
}
/*****************************************************************************/
/*********************** Form to remove social note *************************/
/*****************************************************************************/
static void Soc_PutFormToRemoveSocialNote (long SocCod)
{
extern const char *Txt_Remove;
/***** Form to remove social post *****/
Act_FormStart (ActReqRemSocNot);
Soc_PutHiddenParamSocCod (SocCod);
fprintf (Gbl.F.Out,"<div class=\"CONTEXT_OPT ICON_HIGHLIGHT\">"
"<input type=\"image\""
" src=\"%s/remove-on64x64.png\""
" alt=\"%s\" title=\"%s\""
" class=\"ICON20x20\" />"
"</div>",
Gbl.Prefs.IconsURL,
Txt_Remove,
Txt_Remove);
Act_FormEnd ();
}
/*****************************************************************************/
/************** Put parameter with the code of a social note ****************/
/*****************************************************************************/
static void Soc_PutHiddenParamSocCod (long SocCod)
{
Par_PutHiddenParamLong ("SocCod",SocCod);
}
/*****************************************************************************/
/************** Get parameter with the code of a social note ****************/
/*****************************************************************************/
static long Soc_GetParamSocCod (void)
{
char LongStr[1+10+1]; // String that holds the social note code
long SocCod;
/* Get social note code */
Par_GetParToText ("SocCod",LongStr,1+10);
if (sscanf (LongStr,"%ld",&SocCod) != 1)
Lay_ShowErrorAndExit ("Wrong code of social note.");
return SocCod;
}
/*****************************************************************************/
/******************* Request the removal of a social note *******************/
/*****************************************************************************/
void Soc_RequestRemovalSocialNote (void)
{
extern const char *Txt_Do_you_really_want_to_remove_the_following_comment;
extern const char *Txt_Remove;
struct SocialNote Soc;
bool ICanRemove;
struct UsrData UsrDat;
/***** Get the code of the social note to remove *****/
Soc.SocCod = Soc_GetParamSocCod ();
/***** Get data of social note *****/
Soc_GetDataOfSocialNoteByCod (&Soc);
ICanRemove = (Gbl.Usrs.Me.Logged &&
Soc.UsrCod == Gbl.Usrs.Me.UsrDat.UsrCod &&
Soc.SocialNote == Soc_NOTE_SOCIAL_POST);
if (ICanRemove)
{
/***** Initialize structure with user's data *****/
Usr_UsrDataConstructor (&UsrDat);
/***** Form to ask for confirmation to remove this social post *****/
/* Start form */
Act_FormStart (ActRemSocNot);
Soc_PutHiddenParamSocCod (Soc.SocCod);
Lay_ShowAlert (Lay_WARNING,Txt_Do_you_really_want_to_remove_the_following_comment);
/* Show social note */
Lay_StartRoundFrame ("560px",NULL);
fprintf (Gbl.F.Out,"<ul class=\"LIST_LEFT\">");
Soc_WriteSocialNote (&Soc,&UsrDat,false);
fprintf (Gbl.F.Out,"</ul>");
Lay_EndRoundFrame ();
/* End form */
Lay_PutRemoveButton (Txt_Remove);
Act_FormEnd ();
/***** Free memory used for user's data *****/
Usr_UsrDataDestructor (&UsrDat);
}
/***** Write timeline again *****/
Soc_ShowFollowingTimeline ();
}
/*****************************************************************************/
/************************** Remove a social note ****************************/
/*****************************************************************************/
void Soc_RemoveSocialNote (void)
{
extern const char *Txt_Comment_removed;
struct SocialNote Soc;
bool ICanRemove;
char Query[128];
/***** Get the code of the social note to remove *****/
Soc.SocCod = Soc_GetParamSocCod ();
/***** Get data of social note *****/
Soc_GetDataOfSocialNoteByCod (&Soc);
ICanRemove = (Gbl.Usrs.Me.Logged &&
Soc.UsrCod == Gbl.Usrs.Me.UsrDat.UsrCod &&
Soc.SocialNote == Soc_NOTE_SOCIAL_POST);
if (ICanRemove)
{
/***** Remove social note *****/
sprintf (Query,"DELETE FROM social_notes WHERE SocCod='%ld'",
Soc.SocCod);
DB_QueryDELETE (Query,"can not remove a social note");
/***** Remove social post *****/
if (Soc.SocialNote == Soc_NOTE_SOCIAL_POST)
{
sprintf (Query,"DELETE FROM social_posts WHERE PstCod='%ld'",
Soc.Cod);
DB_QueryDELETE (Query,"can not remove a social post");
}
/***** Message of success *****/
Lay_ShowAlert (Lay_SUCCESS,Txt_Comment_removed);
}
/***** Write timeline after removing *****/
Soc_ShowFollowingTimeline ();
}
/*****************************************************************************/
/******************* Get assignment data using its code **********************/
/*****************************************************************************/
static void Soc_GetDataOfSocialNoteByCod (struct SocialNote *Soc)
{
char Query[256];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
/***** Get data of social note from database *****/
sprintf (Query,"SELECT SocCod,SocialNote,UsrCod,"
"CtyCod,InsCod,CtrCod,DegCod,CrsCod,"
"Cod,UNIX_TIMESTAMP(TimeNote)"
" FROM social_notes"
" WHERE SocCod='%ld'",
Soc->SocCod);
if (DB_QuerySELECT (Query,&mysql_res,"can not get data of social note"))
{
/***** Get social note *****/
row = mysql_fetch_row (mysql_res);
Soc_GetDataOfSocialNoteFromRow (row,Soc);
}
else
{
/***** Reset fields of social note *****/
Soc->SocialNote = Soc_NOTE_UNKNOWN;
Soc->UsrCod = -1L;
Soc->CtyCod =
Soc->InsCod =
Soc->CtrCod =
Soc->DegCod =
Soc->CrsCod = -1L;
Soc->Cod = -1L;
Soc->DateTimeUTC = (time_t) 0;
}
}
/*****************************************************************************/
/******************* Get assignment data using its code **********************/
/*****************************************************************************/
static void Soc_GetDataOfSocialNoteFromRow (MYSQL_ROW row,struct SocialNote *Soc)
{
/* Get social code (row[0]) */
Soc->SocCod = Str_ConvertStrCodToLongCod (row[0]);
/* Get note type (row[1]) */
Soc->SocialNote = Soc_GetSocialNoteFromDB ((const char *) row[1]);
/* Get (from) user code (row[2]) */
Soc->UsrCod = Str_ConvertStrCodToLongCod (row[2]);
/* Get country code (row[3]) */
Soc->CtyCod = Str_ConvertStrCodToLongCod (row[3]);
/* Get institution code (row[4]) */
Soc->InsCod = Str_ConvertStrCodToLongCod (row[4]);
/* Get centre code (row[5]) */
Soc->CtrCod = Str_ConvertStrCodToLongCod (row[5]);
/* Get degree code (row[6]) */
Soc->DegCod = Str_ConvertStrCodToLongCod (row[6]);
/* Get course code (row[7]) */
Soc->CrsCod = Str_ConvertStrCodToLongCod (row[7]);
/* Get file/post... code (row[8]) */
Soc->Cod = Str_ConvertStrCodToLongCod (row[8]);
/* Get time of the note (row[9]) */
Soc->DateTimeUTC = Dat_GetUNIXTimeFromStr (row[9]);
}
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