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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) 1999-2021 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 ***********************************/
/*****************************************************************************/
#define _GNU_SOURCE // For asprintf
#include <stddef.h> // For NULL
#include <stdio.h> // For asprintf
#include <stdlib.h> // For free
#include <string.h> // For string functions
#include "swad_attendance.h"
#include "swad_call_for_exam.h"
#include "swad_course.h"
#include "swad_course_config.h"
#include "swad_database.h"
#include "swad_figure.h"
#include "swad_figure_cache.h"
#include "swad_form.h"
#include "swad_forum.h"
#include "swad_game.h"
#include "swad_global.h"
#include "swad_help.h"
#include "swad_hierarchy.h"
#include "swad_HTML.h"
#include "swad_info.h"
#include "swad_logo.h"
#include "swad_message.h"
#include "swad_project.h"
#include "swad_search.h"
#include "swad_survey.h"
#include "swad_test.h"
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/*************************** Public constants ********************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private types *********************************/
/*****************************************************************************/
/*****************************************************************************/
/**************************** Private variables ******************************/
/*****************************************************************************/
static struct Crs_Course *Crs_EditingCrs = NULL; // Static variable to keep the course being edited
/*****************************************************************************/
/**************************** Private prototypes *****************************/
/*****************************************************************************/
static void Crs_WriteListMyCoursesToSelectOne (void);
static void Crs_GetListCrssInCurrentDeg (Crs_WhatCourses_t WhatCourses);
static void Crs_ListCourses (void);
static bool Crs_CheckIfICanCreateCourses (void);
static void Crs_PutIconsListCourses (__attribute__((unused)) void *Args);
static void Crs_PutIconToEditCourses (void);
static bool Crs_ListCoursesOfAYearForSeeing (unsigned Year);
static void Crs_EditCoursesInternal (void);
static void Crs_PutIconsEditingCourses (__attribute__((unused)) void *Args);
static void Crs_PutIconToViewCourses (void);
static void Crs_ListCoursesForEdition (void);
static void Crs_ListCoursesOfAYearForEdition (unsigned Year);
static bool Crs_CheckIfICanEdit (struct Crs_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_ReceiveFormRequestOrCreateCrs (unsigned Status);
static void Crs_GetParamsNewCourse (struct Crs_Course *Crs);
static void Crs_CreateCourse (unsigned Status);
static void Crs_GetDataOfCourseFromRow (struct Crs_Course *Crs,MYSQL_ROW row);
static void Crs_GetShortNamesByCod (long CrsCod,
char CrsShortName[Cns_HIERARCHY_MAX_BYTES_SHRT_NAME + 1],
char DegShortName[Cns_HIERARCHY_MAX_BYTES_SHRT_NAME + 1]);
static void Crs_EmptyCourseCompletely (long CrsCod);
static void Crs_UpdateCrsNameDB (long CrsCod,const char *FieldName,const char *NewCrsName);
static void Crs_PutButtonToGoToCrs (void);
static void Crs_PutButtonToRegisterInCrs (void);
static void Crs_PutIconToSearchCourses (__attribute__((unused)) void *Args);
static void Crs_PutParamOtherCrsCod (void *CrsCod);
static long Crs_GetAndCheckParamOtherCrsCod (long MinCodAllowed);
static void Crs_WriteRowCrsData (unsigned NumCrs,MYSQL_ROW row,bool WriteColumnAccepted);
static void Crs_EditingCourseConstructor (void);
static void Crs_EditingCourseDestructor (void);
/*****************************************************************************/
/***************** Show introduction to the current course *******************/
/*****************************************************************************/
void Crs_ShowIntroduction (void)
{
/***** Course configuration *****/
HTM_DIV_Begin ("class=\"CM\"");
CrsCfg_Configuration (false);
HTM_DIV_End ();
/***** Course introduction *****/
Inf_ShowInfo ();
/***** Show help to enrol me *****/
Hlp_ShowHelpWhatWouldYouLikeToDo ();
}
/*****************************************************************************/
/************************ Write menu with my courses *************************/
/*****************************************************************************/
#define Crs_MAX_BYTES_TXT_LINK 40
static void Crs_WriteListMyCoursesToSelectOne (void)
{
extern const char *Hlp_PROFILE_Courses;
extern const char *The_ClassFormLinkInBox[The_NUM_THEMES];
extern const char *The_ClassFormLinkInBoxBold[The_NUM_THEMES];
extern const char *Txt_My_courses;
extern const char *Txt_System;
struct Hie_Hierarchy Hie;
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;
unsigned NumCtys;
unsigned NumIns;
unsigned NumInss;
unsigned NumCtr;
unsigned NumCtrs;
unsigned NumDeg;
unsigned NumDegs;
unsigned NumCrs;
unsigned NumCrss;
const char *ClassNormal;
char ClassHighlight[64];
ClassNormal = The_ClassFormLinkInBox[Gbl.Prefs.Theme];
snprintf (ClassHighlight,sizeof (ClassHighlight),"%s LIGHT_BLUE",
The_ClassFormLinkInBoxBold[Gbl.Prefs.Theme]);
/***** Begin box *****/
Box_BoxBegin (NULL,Txt_My_courses,
Crs_PutIconToSearchCourses,NULL,
Hlp_PROFILE_Courses,Box_NOT_CLOSABLE);
HTM_UL_Begin ("class=\"LIST_TREE\"");
/***** Write link to platform *****/
Highlight = (Gbl.Hierarchy.Cty.CtyCod <= 0);
HTM_LI_Begin ("class=\"%s\"",Highlight ? ClassHighlight :
ClassNormal);
Frm_BeginForm (ActMyCrs);
Cty_PutParamCtyCod (-1L);
HTM_BUTTON_SUBMIT_Begin (Txt_System,
Highlight ? ClassHighlight :
ClassNormal,
NULL);
Ico_PutIcon ("sitemap.svg",Txt_System,"ICO16x16");
HTM_TxtF ("&nbsp;%s",Txt_System);
HTM_BUTTON_End ();
Frm_EndForm ();
HTM_LI_End ();
/***** 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 *****/
Hie.Cty.CtyCod = Str_ConvertStrCodToLongCod (row[0]);
if (!Cty_GetDataOfCountryByCod (&Hie.Cty))
Lay_ShowErrorAndExit ("Country not found.");
/***** Write link to country *****/
Highlight = (Gbl.Hierarchy.Ins.InsCod <= 0 &&
Gbl.Hierarchy.Cty.CtyCod == Hie.Cty.CtyCod);
HTM_LI_Begin ("class=\"%s\"",Highlight ? ClassHighlight :
ClassNormal);
IsLastItemInLevel[1] = (NumCty == NumCtys - 1);
Lay_IndentDependingOnLevel (1,IsLastItemInLevel);
Frm_BeginForm (ActMyCrs);
Cty_PutParamCtyCod (Hie.Cty.CtyCod);
HTM_BUTTON_SUBMIT_Begin (Act_GetActionText (ActSeeCtyInf),
Highlight ? ClassHighlight :
ClassNormal,
NULL);
Cty_DrawCountryMap (&Hie.Cty,"ICO16x16");
HTM_TxtF ("&nbsp;%s",Hie.Cty.Name[Gbl.Prefs.Language]);
HTM_BUTTON_End ();
Frm_EndForm ();
HTM_LI_End ();
/***** Get my institutions in this country *****/
NumInss = (unsigned) Usr_GetInssFromUsr (Gbl.Usrs.Me.UsrDat.UsrCod,
Hie.Cty.CtyCod,&mysql_resIns);
for (NumIns = 0;
NumIns < NumInss;
NumIns++)
{
/***** Get next institution *****/
row = mysql_fetch_row (mysql_resIns);
/***** Get data of this institution *****/
Hie.Ins.InsCod = Str_ConvertStrCodToLongCod (row[0]);
if (!Ins_GetDataOfInstitutionByCod (&Hie.Ins))
Lay_ShowErrorAndExit ("Institution not found.");
/***** Write link to institution *****/
Highlight = (Gbl.Hierarchy.Ctr.CtrCod <= 0 &&
Gbl.Hierarchy.Ins.InsCod == Hie.Ins.InsCod);
HTM_LI_Begin ("class=\"%s\"",Highlight ? ClassHighlight :
ClassNormal);
IsLastItemInLevel[2] = (NumIns == NumInss - 1);
Lay_IndentDependingOnLevel (2,IsLastItemInLevel);
Frm_BeginForm (ActMyCrs);
Ins_PutParamInsCod (Hie.Ins.InsCod);
HTM_BUTTON_SUBMIT_Begin (Act_GetActionText (ActSeeInsInf),
Highlight ? ClassHighlight :
ClassNormal,
NULL);
Lgo_DrawLogo (Hie_Lvl_INS,Hie.Ins.InsCod,Hie.Ins.ShrtName,16,NULL,true);
HTM_TxtF ("&nbsp;%s",Hie.Ins.ShrtName);
HTM_BUTTON_End ();
Frm_EndForm ();
HTM_LI_End ();
/***** Get my centers in this institution *****/
NumCtrs = (unsigned) Usr_GetCtrsFromUsr (Gbl.Usrs.Me.UsrDat.UsrCod,
Hie.Ins.InsCod,&mysql_resCtr);
for (NumCtr = 0;
NumCtr < NumCtrs;
NumCtr++)
{
/***** Get next center *****/
row = mysql_fetch_row (mysql_resCtr);
/***** Get data of this center *****/
Hie.Ctr.CtrCod = Str_ConvertStrCodToLongCod (row[0]);
if (!Ctr_GetDataOfCenterByCod (&Hie.Ctr))
Lay_ShowErrorAndExit ("Center not found.");
/***** Write link to center *****/
Highlight = (Gbl.Hierarchy.Level == Hie_Lvl_CTR &&
Gbl.Hierarchy.Ctr.CtrCod == Hie.Ctr.CtrCod);
HTM_LI_Begin ("class=\"%s\"",Highlight ? ClassHighlight :
ClassNormal);
IsLastItemInLevel[3] = (NumCtr == NumCtrs - 1);
Lay_IndentDependingOnLevel (3,IsLastItemInLevel);
Frm_BeginForm (ActMyCrs);
Ctr_PutParamCtrCod (Hie.Ctr.CtrCod);
HTM_BUTTON_SUBMIT_Begin (Act_GetActionText (ActSeeCtrInf),
Highlight ? ClassHighlight :
ClassNormal,
NULL);
Lgo_DrawLogo (Hie_Lvl_CTR,Hie.Ctr.CtrCod,Hie.Ctr.ShrtName,16,NULL,true);
HTM_TxtF ("&nbsp;%s",Hie.Ctr.ShrtName);
HTM_BUTTON_End ();
Frm_EndForm ();
HTM_LI_End ();
/***** Get my degrees in this center *****/
NumDegs = (unsigned) Usr_GetDegsFromUsr (Gbl.Usrs.Me.UsrDat.UsrCod,
Hie.Ctr.CtrCod,&mysql_resDeg);
for (NumDeg = 0;
NumDeg < NumDegs;
NumDeg++)
{
/***** Get next degree *****/
row = mysql_fetch_row (mysql_resDeg);
/***** Get data of this degree *****/
Hie.Deg.DegCod = Str_ConvertStrCodToLongCod (row[0]);
if (!Deg_GetDataOfDegreeByCod (&Hie.Deg))
Lay_ShowErrorAndExit ("Degree not found.");
/***** Write link to degree *****/
Highlight = (Gbl.Hierarchy.Level == Hie_Lvl_DEG &&
Gbl.Hierarchy.Deg.DegCod == Hie.Deg.DegCod);
HTM_LI_Begin ("class=\"%s\"",Highlight ? ClassHighlight :
ClassNormal);
IsLastItemInLevel[4] = (NumDeg == NumDegs - 1);
Lay_IndentDependingOnLevel (4,IsLastItemInLevel);
Frm_BeginForm (ActMyCrs);
Deg_PutParamDegCod (Hie.Deg.DegCod);
HTM_BUTTON_SUBMIT_Begin (Act_GetActionText (ActSeeDegInf),
Highlight ? ClassHighlight :
ClassNormal,
NULL);
Lgo_DrawLogo (Hie_Lvl_DEG,Hie.Deg.DegCod,Hie.Deg.ShrtName,16,NULL,true);
HTM_TxtF ("&nbsp;%s",Hie.Deg.ShrtName);
HTM_BUTTON_End ();
Frm_EndForm ();
HTM_LI_End ();
/***** Get my courses in this degree *****/
NumCrss = (unsigned) Usr_GetCrssFromUsr (Gbl.Usrs.Me.UsrDat.UsrCod,
Hie.Deg.DegCod,&mysql_resCrs);
for (NumCrs = 0;
NumCrs < NumCrss;
NumCrs++)
{
/***** Get next course *****/
row = mysql_fetch_row (mysql_resCrs);
/***** Get data of this course *****/
Hie.Crs.CrsCod = Str_ConvertStrCodToLongCod (row[0]);
if (!Crs_GetDataOfCourseByCod (&Hie.Crs))
Lay_ShowErrorAndExit ("Course not found.");
/***** Write link to course *****/
Highlight = (Gbl.Hierarchy.Level == Hie_Lvl_CRS &&
Gbl.Hierarchy.Crs.CrsCod == Hie.Crs.CrsCod);
HTM_LI_Begin ("class=\"%s\"",Highlight ? ClassHighlight :
ClassNormal);
IsLastItemInLevel[5] = (NumCrs == NumCrss - 1);
Lay_IndentDependingOnLevel (5,IsLastItemInLevel);
Frm_BeginForm (ActMyCrs);
Crs_PutParamCrsCod (Hie.Crs.CrsCod);
HTM_BUTTON_SUBMIT_Begin (Hie_BuildGoToMsg (Hie.Crs.ShrtName),
Highlight ? ClassHighlight :
ClassNormal,
NULL);
Hie_FreeGoToMsg ();
Ico_PutIcon ("chalkboard-teacher.svg",Hie.Crs.FullName,"ICO16x16");
HTM_TxtF ("&nbsp;%s",Hie.Crs.ShrtName);
HTM_BUTTON_End ();
Frm_EndForm ();
/***** Put link to register students *****/
Enr_PutButtonInlineToRegisterStds (Hie.Crs.CrsCod);
HTM_LI_End ();
}
/* 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 box *****/
HTM_UL_End ();
Box_BoxEnd ();
}
/*****************************************************************************/
/*********************** Get total number of courses *************************/
/*****************************************************************************/
unsigned Crs_GetCachedNumCrssInSys (void)
{
unsigned NumCrss;
/***** Get number of courses from cache *****/
if (!FigCch_GetFigureFromCache (FigCch_NUM_CRSS,Hie_Lvl_SYS,-1L,
FigCch_UNSIGNED,&NumCrss))
{
/***** Get current number of courses from database and update cache *****/
NumCrss = (unsigned) DB_GetNumRowsTable ("crs_courses");
FigCch_UpdateFigureIntoCache (FigCch_NUM_CRSS,Hie_Lvl_SYS,-1L,
FigCch_UNSIGNED,&NumCrss);
}
return NumCrss;
}
/*****************************************************************************/
/****************** Get number of courses in a country ***********************/
/*****************************************************************************/
void Crs_FlushCacheNumCrssInCty (void)
{
Gbl.Cache.NumCrssInCty.CtyCod = -1L;
Gbl.Cache.NumCrssInCty.NumCrss = 0;
}
unsigned Crs_GetNumCrssInCty (long CtyCod)
{
/***** 1. Fast check: Trivial case *****/
if (CtyCod <= 0)
return 0;
/***** 2. Fast check: If cached... *****/
if (CtyCod == Gbl.Cache.NumCrssInCty.CtyCod)
return Gbl.Cache.NumCrssInCty.NumCrss;
/***** 3. Slow: number of courses in a country from database *****/
Gbl.Cache.NumCrssInCty.CtyCod = CtyCod;
Gbl.Cache.NumCrssInCty.NumCrss = (unsigned)
DB_QueryCOUNT ("can not get the number of courses in a country",
"SELECT COUNT(*)"
" FROM ins_instits,"
"ctr_centers,"
"deg_degrees,"
"crs_courses"
" WHERE ins_instits.CtyCod=%ld"
" AND ins_instits.InsCod=ctr_centers.InsCod"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod",
CtyCod);
FigCch_UpdateFigureIntoCache (FigCch_NUM_CRSS,Hie_Lvl_CTY,Gbl.Cache.NumCrssInCty.CtyCod,
FigCch_UNSIGNED,&Gbl.Cache.NumCrssInCty.NumCrss);
return Gbl.Cache.NumCrssInCty.NumCrss;
}
unsigned Crs_GetCachedNumCrssInCty (long CtyCod)
{
unsigned NumCrss;
/***** Get number of courses from cache *****/
if (!FigCch_GetFigureFromCache (FigCch_NUM_CRSS,Hie_Lvl_CTY,CtyCod,
FigCch_UNSIGNED,&NumCrss))
/***** Get current number of courses from database and update cache *****/
NumCrss = Crs_GetNumCrssInCty (CtyCod);
return NumCrss;
}
/*****************************************************************************/
/**************** Get number of courses in an institution ********************/
/*****************************************************************************/
void Crs_FlushCacheNumCrssInIns (void)
{
Gbl.Cache.NumCrssInIns.InsCod = -1L;
Gbl.Cache.NumCrssInIns.NumCrss = 0;
}
unsigned Crs_GetNumCrssInIns (long InsCod)
{
/***** 1. Fast check: Trivial case *****/
if (InsCod <= 0)
return 0;
/***** 2. Fast check: If cached... *****/
if (InsCod == Gbl.Cache.NumCrssInIns.InsCod)
return Gbl.Cache.NumCrssInIns.NumCrss;
/***** 3. Slow: number of courses in an institution from database *****/
Gbl.Cache.NumCrssInIns.InsCod = InsCod;
Gbl.Cache.NumCrssInIns.NumCrss = (unsigned)
DB_QueryCOUNT ("can not get the number of courses in an institution",
"SELECT COUNT(*)"
" FROM ctr_centers,"
"deg_degrees,"
"crs_courses"
" WHERE ctr_centers.InsCod=%ld"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod",
InsCod);
FigCch_UpdateFigureIntoCache (FigCch_NUM_CRSS,Hie_Lvl_INS,Gbl.Cache.NumCrssInIns.InsCod,
FigCch_UNSIGNED,&Gbl.Cache.NumCrssInIns.NumCrss);
return Gbl.Cache.NumCrssInIns.NumCrss;
}
unsigned Crs_GetCachedNumCrssInIns (long InsCod)
{
unsigned NumCrss;
/***** Get number of courses from cache *****/
if (!FigCch_GetFigureFromCache (FigCch_NUM_CRSS,Hie_Lvl_INS,InsCod,
FigCch_UNSIGNED,&NumCrss))
/***** Get current number of courses from database and update cache *****/
NumCrss = Crs_GetNumCrssInIns (InsCod);
return NumCrss;
}
/*****************************************************************************/
/******************** Get number of courses in a center **********************/
/*****************************************************************************/
void Crs_FlushCacheNumCrssInCtr (void)
{
Gbl.Cache.NumCrssInCtr.CtrCod = -1L;
Gbl.Cache.NumCrssInCtr.NumCrss = 0;
}
unsigned Crs_GetNumCrssInCtr (long CtrCod)
{
/***** 1. Fast check: Trivial case *****/
if (CtrCod <= 0)
return 0;
/***** 2. Fast check: If cached... *****/
if (CtrCod == Gbl.Cache.NumCrssInCtr.CtrCod)
return Gbl.Cache.NumCrssInCtr.NumCrss;
/***** 3. Slow: number of courses in a center from database *****/
Gbl.Cache.NumCrssInCtr.CtrCod = CtrCod;
Gbl.Cache.NumCrssInCtr.NumCrss = (unsigned)
DB_QueryCOUNT ("can not get the number of courses in a center",
"SELECT COUNT(*)"
" FROM deg_degrees,"
"crs_courses"
" WHERE deg_degrees.CtrCod=%ld"
" AND deg_degrees.DegCod=crs_courses.DegCod",
CtrCod);
return Gbl.Cache.NumCrssInCtr.NumCrss;
}
unsigned Crs_GetCachedNumCrssInCtr (long CtrCod)
{
unsigned NumCrss;
/***** Get number of courses from cache *****/
if (!FigCch_GetFigureFromCache (FigCch_NUM_CRSS,Hie_Lvl_CTR,CtrCod,
FigCch_UNSIGNED,&NumCrss))
{
/***** Get current number of courses from database and update cache *****/
NumCrss = Crs_GetNumCrssInCtr (CtrCod);
FigCch_UpdateFigureIntoCache (FigCch_NUM_CRSS,Hie_Lvl_CTR,CtrCod,
FigCch_UNSIGNED,&NumCrss);
}
return NumCrss;
}
/*****************************************************************************/
/******************** Get number of courses in a degree **********************/
/*****************************************************************************/
void Crs_FlushCacheNumCrssInDeg (void)
{
Gbl.Cache.NumCrssInDeg.DegCod = -1L;
Gbl.Cache.NumCrssInDeg.NumCrss = 0;
}
unsigned Crs_GetNumCrssInDeg (long DegCod)
{
/***** 1. Fast check: Trivial case *****/
if (DegCod <= 0)
return 0;
/***** 2. Fast check: If cached... *****/
if (DegCod == Gbl.Cache.NumCrssInDeg.DegCod)
return Gbl.Cache.NumCrssInDeg.NumCrss;
/***** 3. Slow: number of courses in a degree from database *****/
Gbl.Cache.NumCrssInDeg.DegCod = DegCod;
Gbl.Cache.NumCrssInDeg.NumCrss = (unsigned)
DB_QueryCOUNT ("can not get the number of courses in a degree",
"SELECT COUNT(*) FROM crs_courses WHERE DegCod=%ld",
DegCod);
FigCch_UpdateFigureIntoCache (FigCch_NUM_CRSS,Hie_Lvl_DEG,Gbl.Cache.NumCrssInDeg.DegCod,
FigCch_UNSIGNED,&Gbl.Cache.NumCrssInDeg.NumCrss);
return Gbl.Cache.NumCrssInDeg.NumCrss;
}
unsigned Crs_GetCachedNumCrssInDeg (long DegCod)
{
unsigned NumCrss;
/***** Get number of courses from cache *****/
if (!FigCch_GetFigureFromCache (FigCch_NUM_CRSS,Hie_Lvl_DEG,DegCod,
FigCch_UNSIGNED,&NumCrss))
/***** Get current number of courses from database and update cache *****/
NumCrss = Crs_GetNumCrssInDeg (DegCod);
return NumCrss;
}
/*****************************************************************************/
/********************* Get number of courses with users **********************/
/*****************************************************************************/
unsigned Crs_GetCachedNumCrssWithUsrs (Rol_Role_t Role,const char *SubQuery,
Hie_Lvl_Level_t Scope,long Cod)
{
static const FigCch_FigureCached_t FigureCrss[Rol_NUM_ROLES] =
{
[Rol_STD] = FigCch_NUM_CRSS_WITH_STDS, // Students
[Rol_NET] = FigCch_NUM_CRSS_WITH_NETS, // Non-editing teachers
[Rol_TCH] = FigCch_NUM_CRSS_WITH_TCHS, // Teachers
};
unsigned NumCrssWithUsrs;
/***** Get number of courses with users from cache *****/
if (!FigCch_GetFigureFromCache (FigureCrss[Role],Scope,Cod,
FigCch_UNSIGNED,&NumCrssWithUsrs))
{
/***** Get current number of courses with users from database and update cache *****/
NumCrssWithUsrs = (unsigned)
DB_QueryCOUNT ("can not get number of courses with users",
"SELECT COUNT(DISTINCT crs_courses.CrsCod)"
" FROM ins_instits,"
"ctr_centers,"
"deg_degrees,"
"crs_courses,"
"crs_usr"
" WHERE %sinstitutions.InsCod=ctr_centers.InsCod"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=crs_usr.CrsCod"
" AND crs_usr.Role=%u",
SubQuery,(unsigned) Role);
FigCch_UpdateFigureIntoCache (FigureCrss[Role],Scope,Cod,
FigCch_UNSIGNED,&NumCrssWithUsrs);
}
return NumCrssWithUsrs;
}
/*****************************************************************************/
/*************************** Write selector of course ************************/
/*****************************************************************************/
void Crs_WriteSelectorOfCourse (void)
{
extern const char *Txt_Course;
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumCrss;
unsigned NumCrs;
long CrsCod;
/***** Begin form *****/
Frm_BeginFormGoTo (ActSeeCrsInf);
if (Gbl.Hierarchy.Deg.DegCod > 0)
HTM_SELECT_Begin (HTM_SUBMIT_ON_CHANGE,
"id=\"crs\" name=\"crs\" class=\"HIE_SEL\"");
else
HTM_SELECT_Begin (HTM_DONT_SUBMIT_ON_CHANGE,
"id=\"crs\" name=\"crs\" class=\"HIE_SEL\""
" disabled=\"disabled\"");
HTM_OPTION (HTM_Type_STRING,"",Gbl.Hierarchy.Crs.CrsCod < 0,true,
"[%s]",Txt_Course);
if (Gbl.Hierarchy.Deg.DegCod > 0)
{
/***** Get courses belonging to the current degree from database *****/
NumCrss = (unsigned)
DB_QuerySELECT (&mysql_res,"can not get courses of a degree",
"SELECT CrsCod,"
"ShortName"
" FROM crs_courses"
" WHERE DegCod=%ld"
" ORDER BY ShortName",
Gbl.Hierarchy.Deg.DegCod);
/***** 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 */
HTM_OPTION (HTM_Type_LONG,&CrsCod,
Gbl.Hierarchy.Level == Hie_Lvl_CRS && // Course selected
CrsCod == Gbl.Hierarchy.Crs.CrsCod,false,
"%s",row[1]);
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/***** End form *****/
HTM_SELECT_End ();
Frm_EndForm ();
}
/*****************************************************************************/
/************************** Show courses of a degree *************************/
/*****************************************************************************/
void Crs_ShowCrssOfCurrentDeg (void)
{
/***** Trivial check *****/
if (Gbl.Hierarchy.Deg.DegCod <= 0) // No degree selected
return;
/***** Get list of courses in this degree *****/
Crs_GetListCrssInCurrentDeg (Crs_ALL_COURSES_EXCEPT_REMOVED);
/***** Write menu to select country, institution, center and degree *****/
Hie_WriteMenuHierarchy ();
/***** Show list of courses *****/
Crs_ListCourses ();
/***** Free list of courses in this degree *****/
Crs_FreeListCoursesInCurrentDegree ();
}
/*****************************************************************************/
/*************** Create a list with courses in current degree ****************/
/*****************************************************************************/
static void Crs_GetListCrssInCurrentDeg (Crs_WhatCourses_t WhatCourses)
{
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumCrss;
unsigned NumCrs;
struct Crs_Course *Crs;
/***** Get courses of a degree from database *****/
switch (WhatCourses)
{
case Crs_ACTIVE_COURSES:
NumCrss = (unsigned)
DB_QuerySELECT (&mysql_res,"can not get courses of a degree",
"SELECT CrsCod,"
"DegCod,"
"Year,"
"InsCrsCod,"
"Status,"
"RequesterUsrCod,"
"ShortName,"
"FullName"
" FROM crs_courses"
" WHERE DegCod=%ld AND Status=0"
" ORDER BY Year,ShortName",
Gbl.Hierarchy.Deg.DegCod);
break;
case Crs_ALL_COURSES_EXCEPT_REMOVED:
NumCrss = (unsigned)
DB_QuerySELECT (&mysql_res,"can not get courses of a degree",
"SELECT CrsCod,"
"DegCod,"
"Year,"
"InsCrsCod,"
"Status,"
"RequesterUsrCod,"
"ShortName,"
"FullName"
" FROM crs_courses"
" WHERE DegCod=%ld AND (Status & %u)=0"
" ORDER BY Year,ShortName",
Gbl.Hierarchy.Deg.DegCod,
(unsigned) Crs_STATUS_BIT_REMOVED);
break;
default:
break;
}
if (NumCrss) // Courses found...
{
/***** Create list with courses in degree *****/
if ((Gbl.Hierarchy.Crss.Lst = calloc (NumCrss,
sizeof (*Gbl.Hierarchy.Ctys.Lst))) == NULL)
Lay_NotEnoughMemoryExit ();
/***** Get the courses in degree *****/
for (NumCrs = 0;
NumCrs < NumCrss;
NumCrs++)
{
Crs = &Gbl.Hierarchy.Crss.Lst[NumCrs];
/* Get next course */
row = mysql_fetch_row (mysql_res);
Crs_GetDataOfCourseFromRow (Crs,row);
}
}
Gbl.Hierarchy.Crss.Num = NumCrss;
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/********************* Free list of courses in this degree *******************/
/*****************************************************************************/
void Crs_FreeListCoursesInCurrentDegree (void)
{
if (Gbl.Hierarchy.Crss.Lst)
{
/***** Free memory used by the list of courses in degree *****/
free (Gbl.Hierarchy.Crss.Lst);
Gbl.Hierarchy.Crss.Lst = NULL;
}
}
/*****************************************************************************/
/********************** Write selector of my coursess ************************/
/*****************************************************************************/
void Crs_WriteSelectorMyCoursesInBreadcrumb (void)
{
extern const char *Txt_Course;
unsigned NumMyCrs;
long CrsCod;
long DegCod;
long LastDegCod;
char CrsShortName[Cns_HIERARCHY_MAX_BYTES_SHRT_NAME + 1];
char DegShortName[Cns_HIERARCHY_MAX_BYTES_SHRT_NAME + 1];
/***** Fill the list with the courses I belong to, if not filled *****/
if (Gbl.Usrs.Me.Logged)
Usr_GetMyCourses ();
/***** Begin form *****/
Frm_BeginFormGoTo (Gbl.Usrs.Me.MyCrss.Num ? ActSeeCrsInf :
ActReqSch);
/***** Start selector of courses *****/
HTM_SELECT_Begin (HTM_SUBMIT_ON_CHANGE,
"id=\"my_courses\" name=\"crs\"");
/***** Write an option when no course selected *****/
if (Gbl.Hierarchy.Crs.CrsCod <= 0) // No course selected
HTM_OPTION (HTM_Type_STRING,"-1",true,true,
"%s",Txt_Course);
if (Gbl.Usrs.Me.MyCrss.Num)
{
/***** Write an option for each of my courses *****/
for (NumMyCrs = 0, LastDegCod = -1L;
NumMyCrs < Gbl.Usrs.Me.MyCrss.Num;
NumMyCrs++)
{
CrsCod = Gbl.Usrs.Me.MyCrss.Crss[NumMyCrs].CrsCod;
DegCod = Gbl.Usrs.Me.MyCrss.Crss[NumMyCrs].DegCod;
Crs_GetShortNamesByCod (CrsCod,CrsShortName,DegShortName);
if (DegCod != LastDegCod)
{
if (LastDegCod > 0)
HTM_OPTGROUP_End ();
HTM_OPTGROUP_Begin (DegShortName);
LastDegCod = DegCod;
}
HTM_OPTION (HTM_Type_LONG,&Gbl.Usrs.Me.MyCrss.Crss[NumMyCrs].CrsCod,
CrsCod == Gbl.Hierarchy.Crs.CrsCod,false, // Course selected
"%s",CrsShortName);
}
if (LastDegCod > 0)
HTM_OPTGROUP_End ();
}
/***** Write an option with the current course
when I don't belong to it *****/
if (Gbl.Hierarchy.Level == Hie_Lvl_CRS && // Course selected
!Gbl.Usrs.Me.IBelongToCurrentCrs) // I do not belong to it
HTM_OPTION (HTM_Type_LONG,&Gbl.Hierarchy.Crs.CrsCod,true,true,
"%s",Gbl.Hierarchy.Crs.ShrtName);
/***** End form *****/
HTM_SELECT_End ();
Frm_EndForm ();
}
/*****************************************************************************/
/************************* List courses in this degree ***********************/
/*****************************************************************************/
static void Crs_ListCourses (void)
{
extern const char *Hlp_DEGREE_Courses;
extern const char *Txt_Courses_of_DEGREE_X;
extern const char *Txt_No_courses;
extern const char *Txt_Create_another_course;
extern const char *Txt_Create_course;
unsigned Year;
/***** Begin box *****/
Box_BoxBegin (NULL,Str_BuildStringStr (Txt_Courses_of_DEGREE_X,
Gbl.Hierarchy.Deg.ShrtName),
Crs_PutIconsListCourses,NULL,
Hlp_DEGREE_Courses,Box_NOT_CLOSABLE);
Str_FreeString ();
if (Gbl.Hierarchy.Crss.Num) // There are courses in the current degree
{
/***** Begin table *****/
HTM_TABLE_BeginWideMarginPadding (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
/***** End table *****/
HTM_TABLE_End ();
}
else // No courses created in the current degree
Ale_ShowAlert (Ale_INFO,Txt_No_courses);
/***** Button to create course *****/
if (Crs_CheckIfICanCreateCourses ())
{
Frm_BeginForm (ActEdiCrs);
Btn_PutConfirmButton (Gbl.Hierarchy.Crss.Num ? Txt_Create_another_course :
Txt_Create_course);
Frm_EndForm ();
}
/***** End box *****/
Box_BoxEnd ();
}
/*****************************************************************************/
/********************** Check if I can create courses ************************/
/*****************************************************************************/
static bool Crs_CheckIfICanCreateCourses (void)
{
return (bool) (Gbl.Usrs.Me.Role.Logged >= Rol_GST);
}
/*****************************************************************************/
/***************** Put contextual icons in list of courses *******************/
/*****************************************************************************/
static void Crs_PutIconsListCourses (__attribute__((unused)) void *Args)
{
/***** Put icon to edit courses *****/
if (Crs_CheckIfICanCreateCourses ())
Crs_PutIconToEditCourses ();
/***** Put icon to show a figure *****/
Fig_PutIconToShowFigure (Fig_HIERARCHY);
}
/*****************************************************************************/
/************************* Put icon to edit courses **************************/
/*****************************************************************************/
static void Crs_PutIconToEditCourses (void)
{
Ico_PutContextualIconToEdit (ActEdiCrs,NULL,
NULL,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_COURSE_STATUS[Crs_NUM_STATUS_TXT];
unsigned NumCrs;
struct Crs_Course *Crs;
const char *TxtClassNormal;
const char *TxtClassStrong;
const char *BgColor;
Crs_StatusTxt_t StatusTxt;
bool ThisYearHasCourses = false;
unsigned NumUsrs[Rol_NUM_ROLES];
/***** Write all the courses of this year *****/
for (NumCrs = 0;
NumCrs < Gbl.Hierarchy.Crss.Num;
NumCrs++)
{
Crs = &(Gbl.Hierarchy.Crss.Lst[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 = "BT_LINK LT DAT_LIGHT";
}
else
{
TxtClassNormal = "DAT";
TxtClassStrong = "BT_LINK LT DAT_N";
}
/* Check if this course is one of my courses */
BgColor = (Usr_CheckIfIBelongToCrs (Crs->CrsCod)) ? "LIGHT_BLUE" :
Gbl.ColorRows[Gbl.RowEvenOdd];
HTM_TR_Begin (NULL);
/* Get number of users */
NumUsrs[Rol_STD] = Usr_GetCachedNumUsrsInCrss (Hie_Lvl_CRS,Crs->CrsCod,1 << Rol_STD);
NumUsrs[Rol_NET] = Usr_GetCachedNumUsrsInCrss (Hie_Lvl_CRS,Crs->CrsCod,1 << Rol_NET);
NumUsrs[Rol_TCH] = Usr_GetCachedNumUsrsInCrss (Hie_Lvl_CRS,Crs->CrsCod,1 << Rol_TCH);
NumUsrs[Rol_UNK] = NumUsrs[Rol_STD] +
NumUsrs[Rol_NET] +
NumUsrs[Rol_TCH];
/* Put green tip if course has users */
HTM_TD_Begin ("class=\"%s CM %s\" title=\"%s\"",
TxtClassNormal,BgColor,
NumUsrs[Rol_UNK] ? Txt_COURSE_With_users :
Txt_COURSE_Without_users);
HTM_Txt (NumUsrs[Rol_UNK] ? "&check;" :
"&nbsp;");
HTM_TD_End ();
/* Institutional code of the course */
HTM_TD_Begin ("class=\"%s CM %s\"",TxtClassNormal,BgColor);
HTM_Txt (Crs->InstitutionalCrsCod);
HTM_TD_End ();
/* Course year */
HTM_TD_Begin ("class=\"%s CM %s\"",TxtClassNormal,BgColor);
HTM_Txt (Txt_YEAR_OF_DEGREE[Crs->Year]);
HTM_TD_End ();
/* Course full name */
HTM_TD_Begin ("class=\"%s LM %s\"",TxtClassStrong,BgColor);
Frm_BeginFormGoTo (ActSeeCrsInf);
Crs_PutParamCrsCod (Crs->CrsCod);
HTM_BUTTON_SUBMIT_Begin (Hie_BuildGoToMsg (Crs->FullName),
TxtClassStrong,NULL);
Hie_FreeGoToMsg ();
HTM_Txt (Crs->FullName);
HTM_BUTTON_End ();
Frm_EndForm ();
HTM_TD_End ();
/* Number of teachers in this course */
HTM_TD_Begin ("class=\"%s RM %s\"",TxtClassNormal,BgColor);
HTM_Unsigned (NumUsrs[Rol_TCH] +
NumUsrs[Rol_NET]);
HTM_TD_End ();
/* Number of students in this course */
HTM_TD_Begin ("class=\"%s RM %s\"",TxtClassNormal,BgColor);
HTM_Unsigned (NumUsrs[Rol_STD]);
HTM_TD_End ();
/* Course status */
StatusTxt = Crs_GetStatusTxtFromStatusBits (Crs->Status);
HTM_TD_Begin ("class=\"%s LM %s\"",TxtClassNormal,BgColor);
if (StatusTxt != Crs_STATUS_ACTIVE) // If active ==> do not show anything
HTM_Txt (Txt_COURSE_STATUS[StatusTxt]);
HTM_TD_End ();
HTM_TR_End ();
}
}
return ThisYearHasCourses;
}
/*****************************************************************************/
/****************** Put forms to edit courses in this degree *****************/
/*****************************************************************************/
void Crs_EditCourses (void)
{
/***** Course constructor *****/
Crs_EditingCourseConstructor ();
/***** Edit courses *****/
Crs_EditCoursesInternal ();
/***** Course destructor *****/
Crs_EditingCourseDestructor ();
}
static void Crs_EditCoursesInternal (void)
{
extern const char *Hlp_DEGREE_Courses;
extern const char *Txt_Courses_of_DEGREE_X;
/***** Get list of degrees in this center *****/
Deg_GetListDegsInCurrentCtr ();
/***** Get list of courses in this degree *****/
Crs_GetListCrssInCurrentDeg (Crs_ALL_COURSES_EXCEPT_REMOVED);
/***** Write menu to select country, institution, center and degree *****/
Hie_WriteMenuHierarchy ();
/***** Begin box *****/
Box_BoxBegin (NULL,Str_BuildStringStr (Txt_Courses_of_DEGREE_X,
Gbl.Hierarchy.Deg.ShrtName),
Crs_PutIconsEditingCourses,NULL,
Hlp_DEGREE_Courses,Box_NOT_CLOSABLE);
Str_FreeString ();
/***** Put a form to create or request a new course *****/
Crs_PutFormToCreateCourse ();
/***** Forms to edit current courses *****/
if (Gbl.Hierarchy.Crss.Num)
Crs_ListCoursesForEdition ();
/***** End box *****/
Box_BoxEnd ();
/***** Free list of courses in this degree *****/
Crs_FreeListCoursesInCurrentDegree ();
/***** Free list of degrees in this center *****/
Deg_FreeListDegs (&Gbl.Hierarchy.Degs);
}
/*****************************************************************************/
/**************** Put contextual icons in edition of courses *****************/
/*****************************************************************************/
static void Crs_PutIconsEditingCourses (__attribute__((unused)) void *Args)
{
/***** Put icon to view degrees *****/
Crs_PutIconToViewCourses ();
/***** Put icon to show a figure *****/
Fig_PutIconToShowFigure (Fig_HIERARCHY);
}
/*****************************************************************************/
/************************* Put icon to view courses **************************/
/*****************************************************************************/
static void Crs_PutIconToViewCourses (void)
{
extern const char *Txt_Courses;
Lay_PutContextualLinkOnlyIcon (ActSeeCrs,NULL,
NULL,NULL,
"chalkboard-teacher.svg",
Txt_Courses);
}
/*****************************************************************************/
/********************* List current courses for edition **********************/
/*****************************************************************************/
static void Crs_ListCoursesForEdition (void)
{
unsigned Year;
/***** Write heading *****/
HTM_TABLE_BeginWidePadding (2);
Crs_PutHeadCoursesForEdition ();
/***** List the courses *****/
for (Year = 1;
Year <= Deg_MAX_YEARS_PER_DEGREE;
Year++)
Crs_ListCoursesOfAYearForEdition (Year);
Crs_ListCoursesOfAYearForEdition (0);
/***** End table *****/
HTM_TABLE_End ();
}
/*****************************************************************************/
/******************** List courses of a year for edition *********************/
/*****************************************************************************/
static void Crs_ListCoursesOfAYearForEdition (unsigned Year)
{
extern const char *Txt_YEAR_OF_DEGREE[1 + Deg_MAX_YEARS_PER_DEGREE];
extern const char *Txt_COURSE_STATUS[Crs_NUM_STATUS_TXT];
struct Crs_Course *Crs;
unsigned YearAux;
unsigned NumCrs;
struct UsrData UsrDat;
bool ICanEdit;
unsigned NumUsrs[Rol_NUM_ROLES];
Crs_StatusTxt_t StatusTxt;
unsigned StatusUnsigned;
/***** Initialize structure with user's data *****/
Usr_UsrDataConstructor (&UsrDat);
/***** List courses of a given year *****/
for (NumCrs = 0;
NumCrs < Gbl.Hierarchy.Crss.Num;
NumCrs++)
{
Crs = &(Gbl.Hierarchy.Crss.Lst[NumCrs]);
if (Crs->Year == Year)
{
ICanEdit = Crs_CheckIfICanEdit (Crs);
/* Get number of users */
NumUsrs[Rol_STD] = Usr_GetNumUsrsInCrss (Hie_Lvl_CRS,Crs->CrsCod,1 << Rol_STD);
NumUsrs[Rol_NET] = Usr_GetNumUsrsInCrss (Hie_Lvl_CRS,Crs->CrsCod,1 << Rol_NET);
NumUsrs[Rol_TCH] = Usr_GetNumUsrsInCrss (Hie_Lvl_CRS,Crs->CrsCod,1 << Rol_TCH);
NumUsrs[Rol_UNK] = NumUsrs[Rol_STD] +
NumUsrs[Rol_NET] +
NumUsrs[Rol_TCH];
HTM_TR_Begin (NULL);
/* Put icon to remove course */
HTM_TD_Begin ("class=\"BM\"");
if (NumUsrs[Rol_UNK] || // Course has users ==> deletion forbidden
!ICanEdit)
Ico_PutIconRemovalNotAllowed ();
else // Crs->NumUsrs == 0 && ICanEdit
Ico_PutContextualIconToRemove (ActRemCrs,NULL,
Crs_PutParamOtherCrsCod,&Crs->CrsCod);
HTM_TD_End ();
/* Course code */
HTM_TD_Begin ("class=\"DAT CODE\"");
HTM_Long (Crs->CrsCod);
HTM_TD_End ();
/* Institutional code of the course */
HTM_TD_Begin ("class=\"DAT CM\"");
if (ICanEdit)
{
Frm_BeginForm (ActChgInsCrsCod);
Crs_PutParamOtherCrsCod (&Crs->CrsCod);
HTM_INPUT_TEXT ("InsCrsCod",Crs_MAX_CHARS_INSTITUTIONAL_CRS_COD,
Crs->InstitutionalCrsCod,HTM_SUBMIT_ON_CHANGE,
"class=\"INPUT_INS_CODE\"");
Frm_EndForm ();
}
else
HTM_Txt (Crs->InstitutionalCrsCod);
HTM_TD_End ();
/* Course year */
HTM_TD_Begin ("class=\"DAT CM\"");
if (ICanEdit)
{
Frm_BeginForm (ActChgCrsYea);
Crs_PutParamOtherCrsCod (&Crs->CrsCod);
HTM_SELECT_Begin (HTM_SUBMIT_ON_CHANGE,
"name=\"OthCrsYear\" class=\"HIE_SEL_NARROW\"");
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)
HTM_OPTION (HTM_Type_UNSIGNED,&YearAux,
YearAux == Crs->Year,false,
"%s",Txt_YEAR_OF_DEGREE[YearAux]);
HTM_SELECT_End ();
Frm_EndForm ();
}
else
HTM_Txt (Txt_YEAR_OF_DEGREE[Crs->Year]);
HTM_TD_End ();
/* Course short name */
HTM_TD_Begin ("class=\"DAT LM\"");
if (ICanEdit)
{
Frm_BeginForm (ActRenCrsSho);
Crs_PutParamOtherCrsCod (&Crs->CrsCod);
HTM_INPUT_TEXT ("ShortName",Cns_HIERARCHY_MAX_CHARS_SHRT_NAME,Crs->ShrtName,
HTM_SUBMIT_ON_CHANGE,
"class=\"INPUT_SHORT_NAME\"");
Frm_EndForm ();
}
else
HTM_Txt (Crs->ShrtName);
HTM_TD_End ();
/* Course full name */
HTM_TD_Begin ("class=\"DAT LM\"");
if (ICanEdit)
{
Frm_BeginForm (ActRenCrsFul);
Crs_PutParamOtherCrsCod (&Crs->CrsCod);
HTM_INPUT_TEXT ("FullName",Cns_HIERARCHY_MAX_CHARS_FULL_NAME,Crs->FullName,
HTM_SUBMIT_ON_CHANGE,
"class=\"INPUT_FULL_NAME\"");
Frm_EndForm ();
}
else
HTM_Txt (Crs->FullName);
HTM_TD_End ();
/* Current number of teachers in this course */
HTM_TD_Begin ("class=\"DAT RM\"");
HTM_Unsigned (NumUsrs[Rol_TCH] +
NumUsrs[Rol_NET]);
HTM_TD_End ();
/* Current number of students in this course */
HTM_TD_Begin ("class=\"DAT RM\"");
HTM_Unsigned (NumUsrs[Rol_STD]);
HTM_TD_End ();
/* Course requester */
UsrDat.UsrCod = Crs->RequesterUsrCod;
Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&UsrDat,Usr_DONT_GET_PREFS);
HTM_TD_Begin ("class=\"DAT INPUT_REQUESTER LT\"");
Msg_WriteMsgAuthor (&UsrDat,true,NULL);
HTM_TD_End ();
/* Course status */
StatusTxt = Crs_GetStatusTxtFromStatusBits (Crs->Status);
HTM_TD_Begin ("class=\"DAT LM\"");
if (Gbl.Usrs.Me.Role.Logged >= Rol_DEG_ADM &&
StatusTxt == Crs_STATUS_PENDING)
{
Frm_BeginForm (ActChgCrsSta);
Crs_PutParamOtherCrsCod (&Crs->CrsCod);
HTM_SELECT_Begin (HTM_SUBMIT_ON_CHANGE,
"name=\"Status\" class=\"INPUT_STATUS\"");
StatusUnsigned = (unsigned) Crs_GetStatusBitsFromStatusTxt (Crs_STATUS_PENDING);
HTM_OPTION (HTM_Type_UNSIGNED,&StatusUnsigned,true,false,
"%s",Txt_COURSE_STATUS[Crs_STATUS_PENDING]);
StatusUnsigned = (unsigned) Crs_GetStatusBitsFromStatusTxt (Crs_STATUS_ACTIVE);
HTM_OPTION (HTM_Type_UNSIGNED,&StatusUnsigned,false,false,
"%s",Txt_COURSE_STATUS[Crs_STATUS_ACTIVE]);
HTM_SELECT_End ();
Frm_EndForm ();
}
else if (StatusTxt != Crs_STATUS_ACTIVE) // If active ==> do not show anything
HTM_Txt (Txt_COURSE_STATUS[StatusTxt]);
HTM_TD_End ();
HTM_TR_End ();
}
}
/***** Free memory used for user's data *****/
Usr_UsrDataDestructor (&UsrDat);
}
/*****************************************************************************/
/************** Check if I can edit, remove, etc. a course *******************/
/*****************************************************************************/
static bool Crs_CheckIfICanEdit (struct Crs_Course *Crs)
{
return (bool) (Gbl.Usrs.Me.Role.Logged >= 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;
extern const char *Txt_YEAR_OF_DEGREE[1 + Deg_MAX_YEARS_PER_DEGREE];
extern const char *Txt_Create_course;
unsigned Year;
/***** Begin form *****/
if (Gbl.Usrs.Me.Role.Logged >= Rol_DEG_ADM)
Frm_BeginForm (ActNewCrs);
else if (Gbl.Usrs.Me.Role.Max >= Rol_GST)
Frm_BeginForm (ActReqCrs);
else
Lay_NoPermissionExit ();
/***** Begin box and table *****/
Box_BoxTableBegin (NULL,Txt_New_course,
NULL,NULL,
NULL,Box_NOT_CLOSABLE,2);
/***** Write heading *****/
Crs_PutHeadCoursesForEdition ();
HTM_TR_Begin (NULL);
/***** Column to remove course, disabled here *****/
HTM_TD_Begin ("class=\"BM\"");
HTM_TD_End ();
/***** Course code *****/
HTM_TD_Begin ("class=\"CODE\"");
HTM_TD_End ();
/***** Institutional code of the course *****/
HTM_TD_Begin ("class=\"CM\"");
HTM_INPUT_TEXT ("InsCrsCod",Crs_MAX_CHARS_INSTITUTIONAL_CRS_COD,
Crs_EditingCrs->InstitutionalCrsCod,
HTM_DONT_SUBMIT_ON_CHANGE,
"class=\"INPUT_INS_CODE\"");
HTM_TD_End ();
/***** Year *****/
HTM_TD_Begin ("class=\"CM\"");
HTM_SELECT_Begin (HTM_DONT_SUBMIT_ON_CHANGE,
"name=\"OthCrsYear\" class=\"HIE_SEL_NARROW\"");
for (Year = 0;
Year <= Deg_MAX_YEARS_PER_DEGREE;
Year++)
HTM_OPTION (HTM_Type_UNSIGNED,&Year,
Year == Crs_EditingCrs->Year,false,
"%s",Txt_YEAR_OF_DEGREE[Year]);
HTM_SELECT_End ();
HTM_TD_End ();
/***** Course short name *****/
HTM_TD_Begin ("class=\"LM\"");
HTM_INPUT_TEXT ("ShortName",Cns_HIERARCHY_MAX_CHARS_SHRT_NAME,Crs_EditingCrs->ShrtName,
HTM_DONT_SUBMIT_ON_CHANGE,
"class=\"INPUT_SHORT_NAME\" required=\"required\"");
HTM_TD_End ();
/***** Course full name *****/
HTM_TD_Begin ("class=\"LM\"");
HTM_INPUT_TEXT ("FullName",Cns_HIERARCHY_MAX_CHARS_FULL_NAME,Crs_EditingCrs->FullName,
HTM_DONT_SUBMIT_ON_CHANGE,
"class=\"INPUT_FULL_NAME\" required=\"required\"");
HTM_TD_End ();
/***** Current number of teachers in this course *****/
HTM_TD_Begin ("class=\"DAT RM\"");
HTM_Unsigned (0);
HTM_TD_End ();
/***** Current number of students in this course *****/
HTM_TD_Begin ("class=\"DAT RM\"");
HTM_Unsigned (0);
HTM_TD_End ();
/***** Course requester *****/
HTM_TD_Begin ("class=\"DAT INPUT_REQUESTER LT\"");
Msg_WriteMsgAuthor (&Gbl.Usrs.Me.UsrDat,true,NULL);
HTM_TD_End ();
/***** Course status *****/
HTM_TD_Begin ("class=\"DAT LM\"");
HTM_TD_End ();
HTM_TR_End ();
/***** End table, send button and end box *****/
Box_BoxTableWithButtonEnd (Btn_CREATE_BUTTON,Txt_Create_course);
/***** End form *****/
Frm_EndForm ();
}
/*****************************************************************************/
/******************** 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_ROLES_PLURAL_BRIEF_Abc[Rol_NUM_ROLES];
HTM_TR_Begin (NULL);
HTM_TH (1,1,"BM",NULL);
HTM_TH (1,1,"CM",Txt_Institutional_BR_code);
HTM_TH (1,1,"CM",Txt_Year_OF_A_DEGREE);
HTM_TH (1,1,"LM",Txt_Course);
HTM_TH (1,1,"RM",Txt_ROLES_PLURAL_BRIEF_Abc[Rol_TCH]);
HTM_TH (1,1,"RM",Txt_ROLES_PLURAL_BRIEF_Abc[Rol_STD]);
HTM_TH_Empty (1);
HTM_TR_End ();
}
/*****************************************************************************/
/******************** 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_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_ROLES_PLURAL_BRIEF_Abc[Rol_NUM_ROLES];
extern const char *Txt_Requester;
HTM_TR_Begin (NULL);
HTM_TH (1,1,"BM",NULL);
HTM_TH (1,1,"RM",Txt_Code);
HTM_TH_Begin (1,1,"CM");
HTM_TxtF ("%s&nbsp;(%s)",Txt_Institutional_code,Txt_optional);
HTM_TH_End ();
HTM_TH (1,1,"CM",Txt_Year_OF_A_DEGREE);
HTM_TH (1,1,"LM",Txt_Short_name_of_the_course);
HTM_TH (1,1,"LM",Txt_Full_name_of_the_course);
HTM_TH (1,1,"RM",Txt_ROLES_PLURAL_BRIEF_Abc[Rol_TCH]);
HTM_TH (1,1,"RM",Txt_ROLES_PLURAL_BRIEF_Abc[Rol_STD]);
HTM_TH (1,1,"LM",Txt_Requester);
HTM_TH_Empty (1);
HTM_TR_End ();
}
/*****************************************************************************/
/****************** Receive form to request a new course *********************/
/*****************************************************************************/
void Crs_ReceiveFormReqCrs (void)
{
/***** Course constructor *****/
Crs_EditingCourseConstructor ();
/***** Receive form to request a new course *****/
Crs_ReceiveFormRequestOrCreateCrs ((unsigned) Crs_STATUS_BIT_PENDING);
}
/*****************************************************************************/
/******************* Receive form to create a new course *********************/
/*****************************************************************************/
void Crs_ReceiveFormNewCrs (void)
{
/***** Course constructor *****/
Crs_EditingCourseConstructor ();
/***** Receive form to create a new course *****/
Crs_ReceiveFormRequestOrCreateCrs (0);
}
/*****************************************************************************/
/************* Receive form to request or create a new course ****************/
/*****************************************************************************/
static void Crs_ReceiveFormRequestOrCreateCrs (unsigned Status)
{
extern const char *Txt_The_course_X_already_exists;
extern const char *Txt_Created_new_course_X;
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];
/***** Get parameters from form *****/
/* Set course degree */
// Deg.DegCod =
Crs_EditingCrs->DegCod = Gbl.Hierarchy.Deg.DegCod;
/* Get parameters of the new course */
Crs_GetParamsNewCourse (Crs_EditingCrs);
/***** Check if year is correct *****/
if (Crs_EditingCrs->Year <= Deg_MAX_YEARS_PER_DEGREE) // If year is valid
{
if (Crs_EditingCrs->ShrtName[0] &&
Crs_EditingCrs->FullName[0]) // If there's a course name
{
/***** If name of course was in database... *****/
if (Crs_CheckIfCrsNameExistsInYearOfDeg ("ShortName",Crs_EditingCrs->ShrtName,
-1L,Crs_EditingCrs->DegCod,Crs_EditingCrs->Year))
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_The_course_X_already_exists,
Crs_EditingCrs->ShrtName);
else if (Crs_CheckIfCrsNameExistsInYearOfDeg ("FullName",Crs_EditingCrs->FullName,
-1L,Crs_EditingCrs->DegCod,Crs_EditingCrs->Year))
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_The_course_X_already_exists,
Crs_EditingCrs->FullName);
else // Add new requested course to database
{
Crs_CreateCourse (Status);
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_Created_new_course_X,
Crs_EditingCrs->FullName);
}
}
else // If there is not a course name
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_You_must_specify_the_short_name_and_the_full_name_of_the_new_course);
}
else // Year not valid
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_The_year_X_is_not_allowed,
Crs_EditingCrs->Year);
}
/*****************************************************************************/
/************** Get the parameters of a new course from form *****************/
/*****************************************************************************/
static void Crs_GetParamsNewCourse (struct Crs_Course *Crs)
{
char YearStr[2 + 1];
/***** Get parameters of the course from form *****/
/* Get institutional code */
Par_GetParToText ("InsCrsCod",Crs->InstitutionalCrsCod,Crs_MAX_BYTES_INSTITUTIONAL_CRS_COD);
/* Get year */
Par_GetParToText ("OthCrsYear",YearStr,2);
Crs->Year = Deg_ConvStrToYear (YearStr);
/* Get course short name */
Par_GetParToText ("ShortName",Crs->ShrtName,Cns_HIERARCHY_MAX_BYTES_SHRT_NAME);
/* Get course full name */
Par_GetParToText ("FullName",Crs->FullName,Cns_HIERARCHY_MAX_BYTES_FULL_NAME);
}
/*****************************************************************************/
/************* Add a new requested course to pending requests ****************/
/*****************************************************************************/
static void Crs_CreateCourse (unsigned Status)
{
/***** Insert new course into pending requests *****/
Crs_EditingCrs->CrsCod =
DB_QueryINSERTandReturnCode ("can not create a new course",
"INSERT INTO crs_courses"
" (DegCod,Year,InsCrsCod,Status,RequesterUsrCod,"
"ShortName,FullName)"
" VALUES"
" (%ld,%u,'%s',%u,%ld,"
"'%s','%s')",
Crs_EditingCrs->DegCod,Crs_EditingCrs->Year,
Crs_EditingCrs->InstitutionalCrsCod,
Status,
Gbl.Usrs.Me.UsrDat.UsrCod,
Crs_EditingCrs->ShrtName,
Crs_EditingCrs->FullName);
}
/*****************************************************************************/
/****************************** Remove 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;
/***** Course constructor *****/
Crs_EditingCourseConstructor ();
/***** Get course code *****/
Crs_EditingCrs->CrsCod = Crs_GetAndCheckParamOtherCrsCod (1);
/***** Get data of the course from database *****/
Crs_GetDataOfCourseByCod (Crs_EditingCrs);
if (Crs_CheckIfICanEdit (Crs_EditingCrs))
{
/***** Check if this course has users *****/
if (Usr_GetNumUsrsInCrss (Hie_Lvl_CRS,Crs_EditingCrs->CrsCod,
1 << Rol_STD |
1 << Rol_NET |
1 << Rol_TCH)) // Course has users ==> don't remove
Ale_ShowAlert (Ale_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_EditingCrs->CrsCod);
/***** Write message to show the change made *****/
Ale_ShowAlert (Ale_SUCCESS,Txt_Course_X_removed,
Crs_EditingCrs->FullName);
Crs_EditingCrs->CrsCod = -1L; // To not showing button to go to course
}
}
else
Lay_NoPermissionExit ();
}
/*****************************************************************************/
/********************* Get data of a course from its code ********************/
/*****************************************************************************/
bool Crs_GetDataOfCourseByCod (struct Crs_Course *Crs)
{
MYSQL_RES *mysql_res;
MYSQL_ROW row;
bool CrsFound = false;
/***** Clear data *****/
Crs->DegCod = -1L;
Crs->Year = 0;
Crs->Status = (Crs_Status_t) 0;
Crs->RequesterUsrCod = -1L;
Crs->ShrtName[0] = '\0';
Crs->FullName[0] = '\0';
/***** Check if course code is correct *****/
if (Crs->CrsCod > 0)
{
/***** Get data of a course from database *****/
if (DB_QuerySELECT (&mysql_res,"can not get data of a course",
"SELECT CrsCod," // row[0]
"DegCod," // row[1]
"Year," // row[2]
"InsCrsCod," // row[3]
"Status," // row[4]
"RequesterUsrCod," // row[5]
"ShortName," // row[6]
"FullName" // row[7]
" FROM crs_courses"
" WHERE CrsCod=%ld",
Crs->CrsCod)) // Course found...
{
/***** Get data of the course *****/
row = mysql_fetch_row (mysql_res);
Crs_GetDataOfCourseFromRow (Crs,row);
/* Set return value */
CrsFound = true;
}
/***** 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 Crs_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]) *****/
Str_Copy (Crs->InstitutionalCrsCod,row[3],sizeof (Crs->InstitutionalCrsCod) - 1);
/***** 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 short name (row[6]) and full name (row[7]) of the course *****/
Str_Copy (Crs->ShrtName,row[6],sizeof (Crs->ShrtName) - 1);
Str_Copy (Crs->FullName,row[7],sizeof (Crs->FullName) - 1);
}
/*****************************************************************************/
/******* Get the short names of degree and course from a course code *********/
/*****************************************************************************/
static void Crs_GetShortNamesByCod (long CrsCod,
char CrsShortName[Cns_HIERARCHY_MAX_BYTES_SHRT_NAME + 1],
char DegShortName[Cns_HIERARCHY_MAX_BYTES_SHRT_NAME + 1])
{
MYSQL_RES *mysql_res;
MYSQL_ROW row;
DegShortName[0] = CrsShortName[0] = '\0';
if (CrsCod > 0)
{
/***** Get the short name of a degree from database *****/
if (DB_QuerySELECT (&mysql_res,"can not get the short name of a course",
"SELECT crs_courses.ShortName,"
"deg_degrees.ShortName"
" FROM crs_courses,"
"deg_degrees"
" WHERE crs_courses.CrsCod=%ld"
" AND crs_courses.DegCod=deg_degrees.DegCod",
CrsCod) == 1)
{
/***** Get the course short name and degree short name *****/
row = mysql_fetch_row (mysql_res);
Str_Copy (CrsShortName,row[0],Cns_HIERARCHY_MAX_BYTES_SHRT_NAME);
Str_Copy (DegShortName,row[1],Cns_HIERARCHY_MAX_BYTES_SHRT_NAME);
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
}
/*****************************************************************************/
/****************************** Remove a course ******************************/
/*****************************************************************************/
void Crs_RemoveCourseCompletely (long CrsCod)
{
if (CrsCod > 0)
{
/***** Empty course *****/
Crs_EmptyCourseCompletely (CrsCod);
/***** Remove course from table of last accesses to courses in database *****/
DB_QueryDELETE ("can not remove a course",
"DELETE FROM crs_last WHERE CrsCod=%ld",
CrsCod);
/***** Remove course from table of courses in database *****/
DB_QueryDELETE ("can not remove a course",
"DELETE FROM crs_courses WHERE CrsCod=%ld",
CrsCod);
}
}
/*****************************************************************************/
/********** 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 Crs_Course Crs;
char PathRelCrs[PATH_MAX + 1];
if (CrsCod > 0)
{
/***** 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 (-1L,CrsCod);
/***** Remove information of the course ****/
/* Remove timetable of the course */
DB_QueryDELETE ("can not remove the timetable of a course",
"DELETE FROM tmt_courses"
" WHERE CrsCod=%ld",
CrsCod);
/* Remove other information of the course */
DB_QueryDELETE ("can not remove info sources of a course",
"DELETE FROM crs_info_src"
" WHERE CrsCod=%ld",
CrsCod);
DB_QueryDELETE ("can not remove info of a course",
"DELETE FROM crs_info_txt"
" WHERE CrsCod=%ld",
CrsCod);
/***** Remove exam announcements in the course *****/
/* Mark all exam announcements in the course as deleted */
DB_QueryUPDATE ("can not remove exam announcements of a course",
"UPDATE cfe_calls_for_exams"
" SET Status=%u"
" WHERE CrsCod=%ld",
(unsigned) Cfe_DELETED_CALL_FOR_EXAM,CrsCod);
/***** Remove course cards of the course *****/
/* Remove content of course cards */
DB_QueryDELETE ("can not remove content of cards in a course",
"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);
/* Remove definition of fields in course cards */
DB_QueryDELETE ("can not remove fields of cards in a course",
"DELETE FROM crs_record_fields"
" WHERE CrsCod=%ld",
CrsCod);
/***** Remove information related to files in course,
including groups and projects,
so this function must be called
before removing groups and projects *****/
Brw_RemoveCrsFilesFromDB (CrsCod);
/***** Remove assignments of the course *****/
Asg_RemoveCrsAssignments (CrsCod);
/***** Remove projects of the course *****/
Prj_RemoveCrsProjects (CrsCod);
/***** Remove attendance events of the course *****/
Att_RemoveCrsAttEvents (CrsCod);
/***** Remove notices in the course *****/
/* Copy all notices from the course to table of deleted notices */
DB_QueryINSERT ("can not remove notices in a course",
"INSERT INTO not_deleted"
" (NotCod,CrsCod,UsrCod,CreatTime,Content,NumNotif)"
" SELECT NotCod,"
"CrsCod,"
"UsrCod,"
"CreatTime,"
"Content,"
"NumNotif"
" FROM not_notices"
" WHERE CrsCod=%ld",
CrsCod);
/* Remove all notices from the course */
DB_QueryDELETE ("can not remove notices in a course",
"DELETE FROM not_notices"
" WHERE CrsCod=%ld",
CrsCod);
/***** Remove all the threads and posts in forums of the course *****/
For_RemoveForums (Hie_Lvl_CRS,CrsCod);
/***** Remove all surveys in the course *****/
Svy_RemoveSurveys (Hie_Lvl_CRS,CrsCod);
/***** Remove all games in the course *****/
Gam_RemoveCrsGames (CrsCod);
/***** Remove all exams in the course *****/
Exa_RemoveCrsExams (CrsCod);
/***** Remove all tests in the course *****/
Tst_RemoveCrsTests (CrsCod);
/***** Remove groups in the course *****/
/* Remove all the users in groups in the course */
DB_QueryDELETE ("can not remove users from groups of a course",
"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);
/* Remove all the groups in the course */
DB_QueryDELETE ("can not remove groups of a course",
"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);
/* Remove all the group types in the course */
DB_QueryDELETE ("can not remove types of group of a course",
"DELETE FROM crs_grp_types WHERE CrsCod=%ld",
CrsCod);
/***** Remove users' requests for inscription in the course *****/
DB_QueryDELETE ("can not remove requests for inscription to a course",
"DELETE FROM crs_usr_requests WHERE CrsCod=%ld",
CrsCod);
/***** Remove possible users remaining in the course (teachers) *****/
DB_QueryDELETE ("can not remove users from a course",
"DELETE FROM crs_usr_last WHERE CrsCod=%ld",
CrsCod);
DB_QueryDELETE ("can not remove users from a course",
"DELETE FROM crs_usr WHERE CrsCod=%ld",
CrsCod);
/***** Remove directories of the course *****/
snprintf (PathRelCrs,sizeof (PathRelCrs),"%s/%ld",
Cfg_PATH_CRS_PRIVATE,CrsCod);
Fil_RemoveTree (PathRelCrs);
snprintf (PathRelCrs,sizeof (PathRelCrs),"%s/%ld",
Cfg_PATH_CRS_PUBLIC,CrsCod);
Fil_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;
char NewInstitutionalCrsCod[Crs_MAX_BYTES_INSTITUTIONAL_CRS_COD + 1];
/***** Course constructor *****/
Crs_EditingCourseConstructor ();
/***** Get parameters from form *****/
/* Get course code */
Crs_EditingCrs->CrsCod = Crs_GetAndCheckParamOtherCrsCod (1);
/* Get institutional code */
Par_GetParToText ("InsCrsCod",NewInstitutionalCrsCod,Crs_MAX_BYTES_INSTITUTIONAL_CRS_COD);
/* Get data of the course */
Crs_GetDataOfCourseByCod (Crs_EditingCrs);
if (Crs_CheckIfICanEdit (Crs_EditingCrs))
{
/***** Change the institutional course code *****/
if (strcmp (NewInstitutionalCrsCod,Crs_EditingCrs->InstitutionalCrsCod))
{
Crs_UpdateInstitutionalCrsCod (Crs_EditingCrs,NewInstitutionalCrsCod);
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_The_institutional_code_of_the_course_X_has_changed_to_Y,
Crs_EditingCrs->ShrtName,
NewInstitutionalCrsCod);
}
else // The same institutional code
Ale_CreateAlert (Ale_INFO,NULL,
Txt_The_institutional_code_of_the_course_X_has_not_changed,
Crs_EditingCrs->ShrtName);
}
else
Lay_NoPermissionExit ();
}
/*****************************************************************************/
/************************ 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;
char YearStr[2 + 1];
unsigned NewYear;
/***** Course constructor *****/
Crs_EditingCourseConstructor ();
/***** Get parameters from form *****/
/* Get course code */
Crs_EditingCrs->CrsCod = Crs_GetAndCheckParamOtherCrsCod (1);
/* Get parameter with year */
Par_GetParToText ("OthCrsYear",YearStr,2);
NewYear = Deg_ConvStrToYear (YearStr);
Crs_GetDataOfCourseByCod (Crs_EditingCrs);
if (Crs_CheckIfICanEdit (Crs_EditingCrs))
{
if (NewYear <= Deg_MAX_YEARS_PER_DEGREE) // If year is valid
{
/***** If name of course was in database in the new year... *****/
if (Crs_CheckIfCrsNameExistsInYearOfDeg ("ShortName",Crs_EditingCrs->ShrtName,
-1L,Crs_EditingCrs->DegCod,NewYear))
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_The_course_X_already_exists_in_year_Y,
Crs_EditingCrs->ShrtName,
Txt_YEAR_OF_DEGREE[NewYear]);
else if (Crs_CheckIfCrsNameExistsInYearOfDeg ("FullName",Crs_EditingCrs->FullName,
-1L,Crs_EditingCrs->DegCod,NewYear))
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_The_course_X_already_exists_in_year_Y,
Crs_EditingCrs->FullName,
Txt_YEAR_OF_DEGREE[NewYear]);
else // Update year in database
{
/***** Update year in table of courses *****/
Crs_UpdateCrsYear (Crs_EditingCrs,NewYear);
/***** Create message to show the change made *****/
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_The_year_of_the_course_X_has_changed,
Crs_EditingCrs->ShrtName);
}
}
else // Year not valid
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_The_year_X_is_not_allowed,
NewYear);
}
else
Lay_NoPermissionExit ();
}
/*****************************************************************************/
/****************** Change the year/semester of a course *********************/
/*****************************************************************************/
void Crs_UpdateCrsYear (struct Crs_Course *Crs,unsigned NewYear)
{
/***** Update year/semester in table of courses *****/
DB_QueryUPDATE ("can not update the year of a course",
"UPDATE crs_courses SET Year=%u WHERE CrsCod=%ld",
NewYear,Crs->CrsCod);
/***** Copy course year/semester *****/
Crs->Year = NewYear;
}
/*****************************************************************************/
/************* Change the institutional course code of a course **************/
/*****************************************************************************/
void Crs_UpdateInstitutionalCrsCod (struct Crs_Course *Crs,const char *NewInstitutionalCrsCod)
{
/***** Update institutional course code in table of courses *****/
DB_QueryUPDATE ("can not update the institutional code"
" of the current course",
"UPDATE crs_courses SET InsCrsCod='%s' WHERE CrsCod=%ld",
NewInstitutionalCrsCod,Crs->CrsCod);
/***** Copy institutional course code *****/
Str_Copy (Crs->InstitutionalCrsCod,NewInstitutionalCrsCod,
sizeof (Crs->InstitutionalCrsCod) - 1);
}
/*****************************************************************************/
/************************ Change the name of a course ************************/
/*****************************************************************************/
void Crs_RenameCourseShort (void)
{
/***** Course constructor *****/
Crs_EditingCourseConstructor ();
/***** Rename course *****/
Crs_EditingCrs->CrsCod = Crs_GetAndCheckParamOtherCrsCod (1);
Crs_RenameCourse (Crs_EditingCrs,Cns_SHRT_NAME);
}
void Crs_RenameCourseFull (void)
{
/***** Course constructor *****/
Crs_EditingCourseConstructor ();
/***** Rename course *****/
Crs_EditingCrs->CrsCod = Crs_GetAndCheckParamOtherCrsCod (1);
Crs_RenameCourse (Crs_EditingCrs,Cns_FULL_NAME);
}
/*****************************************************************************/
/************************ Change the name of a course ************************/
/*****************************************************************************/
void Crs_RenameCourse (struct Crs_Course *Crs,Cns_ShrtOrFullName_t ShrtOrFullName)
{
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;
const char *ParamName = NULL; // Initialized to avoid warning
const char *FieldName = NULL; // Initialized to avoid warning
unsigned MaxBytes = 0; // Initialized to avoid warning
char *CurrentCrsName = NULL; // Initialized to avoid warning
char NewCrsName[Cns_HIERARCHY_MAX_BYTES_FULL_NAME + 1];
switch (ShrtOrFullName)
{
case Cns_SHRT_NAME:
ParamName = "ShortName";
FieldName = "ShortName";
MaxBytes = Cns_HIERARCHY_MAX_BYTES_SHRT_NAME;
CurrentCrsName = Crs->ShrtName;
break;
case Cns_FULL_NAME:
ParamName = "FullName";
FieldName = "FullName";
MaxBytes = Cns_HIERARCHY_MAX_BYTES_FULL_NAME;
CurrentCrsName = Crs->FullName;
break;
}
/***** Get parameters from form *****/
/* Get the new name for the course */
Par_GetParToText (ParamName,NewCrsName,MaxBytes);
/***** 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])
{
/***** Check if old and new names are the same
(this happens when return is pressed without changes) *****/
if (strcmp (CurrentCrsName,NewCrsName)) // Different names
{
/***** If course was in database... *****/
if (Crs_CheckIfCrsNameExistsInYearOfDeg (ParamName,NewCrsName,Crs->CrsCod,
Crs->DegCod,Crs->Year))
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_The_course_X_already_exists,
NewCrsName);
else
{
/* Update the table changing old name by new name */
Crs_UpdateCrsNameDB (Crs->CrsCod,FieldName,NewCrsName);
/* Create alert to show the change made */
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_The_name_of_the_course_X_has_changed_to_Y,
CurrentCrsName,NewCrsName);
/* Change current course name in order to display it properly */
Str_Copy (CurrentCrsName,NewCrsName,MaxBytes);
}
}
else // The same name
Ale_CreateAlert (Ale_INFO,NULL,
Txt_The_name_of_the_course_X_has_not_changed,
CurrentCrsName);
}
else
Ale_CreateAlertYouCanNotLeaveFieldEmpty ();
}
else
Lay_NoPermissionExit ();
}
/*****************************************************************************/
/********** Check if the name of course exists in existing courses ***********/
/*****************************************************************************/
bool Crs_CheckIfCrsNameExistsInYearOfDeg (const char *FieldName,const char *Name,long CrsCod,
long DegCod,unsigned Year)
{
/***** Get number of courses in a year of a degree and with a name from database *****/
return (DB_QueryCOUNT ("can not check if the name"
" of a course already existed",
"SELECT COUNT(*) FROM crs_courses"
" WHERE DegCod=%ld AND Year=%u"
" AND %s='%s' AND CrsCod<>%ld",
DegCod,Year,FieldName,Name,CrsCod) != 0);
}
/*****************************************************************************/
/***************** Update course name in table of courses ********************/
/*****************************************************************************/
static void Crs_UpdateCrsNameDB (long CrsCod,const char *FieldName,const char *NewCrsName)
{
/***** Update course changing old name by new name *****/
DB_QueryUPDATE ("can not update the name of a course",
"UPDATE crs_courses SET %s='%s' WHERE CrsCod=%ld",
FieldName,NewCrsName,CrsCod);
}
/*****************************************************************************/
/*********************** Change the status of a course ***********************/
/*****************************************************************************/
void Crs_ChangeCrsStatus (void)
{
extern const char *Txt_The_status_of_the_course_X_has_changed;
Crs_Status_t Status;
Crs_StatusTxt_t StatusTxt;
/***** Course constructor *****/
Crs_EditingCourseConstructor ();
/***** Get parameters from form *****/
/* Get course code */
Crs_EditingCrs->CrsCod = Crs_GetAndCheckParamOtherCrsCod (1);
/* Get parameter with status */
Status = (Crs_Status_t)
Par_GetParToUnsignedLong ("Status",
0,
(unsigned long) Crs_MAX_STATUS,
(unsigned long) Crs_WRONG_STATUS);
if (Status == Crs_WRONG_STATUS)
Lay_ShowErrorAndExit ("Wrong status.");
StatusTxt = Crs_GetStatusTxtFromStatusBits (Status);
Status = Crs_GetStatusBitsFromStatusTxt (StatusTxt); // New status
/***** Get data of course *****/
Crs_GetDataOfCourseByCod (Crs_EditingCrs);
/***** Update status in table of courses *****/
DB_QueryUPDATE ("can not update the status of a course",
"UPDATE crs_courses SET Status=%u WHERE CrsCod=%ld",
(unsigned) Status,Crs_EditingCrs->CrsCod);
Crs_EditingCrs->Status = Status;
/***** Create alert to show the change made *****/
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_The_status_of_the_course_X_has_changed,
Crs_EditingCrs->ShrtName);
}
/*****************************************************************************/
/********* Show alerts after changing a course and continue editing **********/
/*****************************************************************************/
void Crs_ContEditAfterChgCrs (void)
{
bool PutButtonToRequestRegistration;
if (Ale_GetTypeOfLastAlert () == Ale_SUCCESS)
{
/***** Begin alert *****/
Ale_ShowLastAlertAndButton1 ();
/***** Put button to go to course changed *****/
Crs_PutButtonToGoToCrs ();
/***** Put button to request my registration in course *****/
PutButtonToRequestRegistration = false;
switch (Gbl.Usrs.Me.Role.Logged)
{
case Rol_GST: // I do not belong to any course
PutButtonToRequestRegistration = true;
break;
case Rol_USR:
PutButtonToRequestRegistration = !Usr_CheckIfUsrBelongsToCrs (Gbl.Usrs.Me.UsrDat.UsrCod,
Crs_EditingCrs->CrsCod,
false);
break;
case Rol_STD:
case Rol_NET:
case Rol_TCH:
if (Crs_EditingCrs->CrsCod != Gbl.Hierarchy.Crs.CrsCod)
PutButtonToRequestRegistration = !Usr_CheckIfUsrBelongsToCrs (Gbl.Usrs.Me.UsrDat.UsrCod,
Crs_EditingCrs->CrsCod,
false);
break;
default:
break;
}
if (PutButtonToRequestRegistration)
Crs_PutButtonToRegisterInCrs ();
/***** End alert *****/
Ale_ShowAlertAndButton2 (ActUnk,NULL,NULL,
NULL,NULL,
Btn_NO_BUTTON,NULL);
}
/***** Show possible delayed alerts *****/
Ale_ShowAlerts (NULL);
/***** Show the form again *****/
Crs_EditCoursesInternal ();
/***** Course destructor *****/
Crs_EditingCourseDestructor ();
}
/*****************************************************************************/
/************************ Put button to go to course *************************/
/*****************************************************************************/
static void Crs_PutButtonToGoToCrs (void)
{
// If the course being edited is different to the current one...
if (Crs_EditingCrs->CrsCod != Gbl.Hierarchy.Crs.CrsCod)
{
Frm_BeginForm (ActSeeCrsInf);
Crs_PutParamCrsCod (Crs_EditingCrs->CrsCod);
Btn_PutConfirmButton (Hie_BuildGoToMsg (Crs_EditingCrs->ShrtName));
Hie_FreeGoToMsg ();
Frm_EndForm ();
}
}
/*****************************************************************************/
/************************ Put button to go to course *************************/
/*****************************************************************************/
static void Crs_PutButtonToRegisterInCrs (void)
{
extern const char *Txt_Register_me_in_X;
Frm_BeginForm (ActReqSignUp);
// If the course being edited is different to the current one...
if (Crs_EditingCrs->CrsCod != Gbl.Hierarchy.Crs.CrsCod)
Crs_PutParamCrsCod (Crs_EditingCrs->CrsCod);
Btn_PutCreateButton (Str_BuildStringStr (Txt_Register_me_in_X,
Crs_EditingCrs->ShrtName));
Str_FreeString ();
Frm_EndForm ();
}
/*****************************************************************************/
/************************* Select one of my courses **************************/
/*****************************************************************************/
void Crs_ReqSelectOneOfMyCourses (void)
{
/***** Fill the list with the courses I belong to, if not filled *****/
Usr_GetMyCourses ();
/***** Select one of my courses *****/
if (Gbl.Usrs.Me.MyCrss.Num)
/* Show my courses */
Crs_WriteListMyCoursesToSelectOne ();
else // I am not enroled in any course
/* Show help to enrol me */
Hlp_ShowHelpWhatWouldYouLikeToDo ();
}
/*****************************************************************************/
/******************* Put an icon (form) to search courses ********************/
/*****************************************************************************/
static void Crs_PutIconToSearchCourses (__attribute__((unused)) void *Args)
{
extern const char *Txt_Search_courses;
/***** Put form to search / select courses *****/
Lay_PutContextualLinkOnlyIcon (ActReqSch,NULL,
Sch_PutLinkToSearchCoursesParams,NULL,
"search.svg",
Txt_Search_courses);
}
/*****************************************************************************/
/********** Put an icon (form) to select my courses in breadcrumb ************/
/*****************************************************************************/
void Crs_PutIconToSelectMyCoursesInBreadcrumb (void)
{
extern const char *Txt_My_courses;
if (Gbl.Usrs.Me.Logged) // I am logged
{
/***** Begin form *****/
Frm_BeginForm (ActMyCrs);
/***** Put icon with link *****/
HTM_INPUT_IMAGE (Gbl.Prefs.URLTheme,"sitemap.svg",Txt_My_courses,
"BC_ICON ICO_HIGHLIGHT");
/*
HTM_BUTTON_Begin (Txt_My_courses,NULL,NULL);
HTM_IMG (Gbl.Prefs.URLTheme,"sitemap.svg",Txt_My_courses,
"class=\"BC_ICON ICO_HIGHLIGHT\"");
HTM_BUTTON_End ();
*/
/***** End form *****/
Frm_EndForm ();
}
}
/*****************************************************************************/
/****************** Put an icon (form) to select my courses ******************/
/*****************************************************************************/
void Crs_PutIconToSelectMyCourses (__attribute__((unused)) void *Args)
{
extern const char *Txt_My_courses;
if (Gbl.Usrs.Me.Logged) // I am logged
/***** Put icon with link *****/
Lay_PutContextualLinkOnlyIcon (ActMyCrs,NULL,
NULL,NULL,
"sitemap.svg",
Txt_My_courses);
}
/*****************************************************************************/
/******************** Write parameter with code of course ********************/
/*****************************************************************************/
void Crs_PutParamCrsCod (long CrsCod)
{
Par_PutHiddenParamLong (NULL,"crs",CrsCod);
}
/*****************************************************************************/
/******************** Write parameter with code of course ********************/
/*****************************************************************************/
static void Crs_PutParamOtherCrsCod (void *CrsCod)
{
if (CrsCod)
Par_PutHiddenParamLong (NULL,"OthCrsCod",*((long *) CrsCod));
}
/*****************************************************************************/
/********************* Get parameter with code of course *********************/
/*****************************************************************************/
static long Crs_GetAndCheckParamOtherCrsCod (long MinCodAllowed)
{
long CrsCod;
/***** Get and check parameter with code of course *****/
if ((CrsCod = Par_GetParToLong ("OthCrsCod")) < MinCodAllowed)
Lay_ShowErrorAndExit ("Code of course is missing or invalid.");
return CrsCod;
}
/*****************************************************************************/
/************************** Write courses of a user **************************/
/*****************************************************************************/
void Crs_GetAndWriteCrssOfAUsr (const struct UsrData *UsrDat,Rol_Role_t Role)
{
extern const char *Txt_USER_in_COURSE;
extern const char *Txt_User[Usr_NUM_SEXS];
extern const char *Txt_ROLES_SINGUL_Abc[Rol_NUM_ROLES][Usr_NUM_SEXS];
extern const char *Txt_Degree;
extern const char *Txt_Year_OF_A_DEGREE;
extern const char *Txt_Course;
extern const char *Txt_ROLES_PLURAL_BRIEF_Abc[Rol_NUM_ROLES];
char *SubQuery;
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumCrss;
unsigned NumCrs;
/***** Get courses of a user from database *****/
if (Role == Rol_UNK) // Role == Rol_UNK ==> any role
{
if (asprintf (&SubQuery,"%s","") < 0)
Lay_NotEnoughMemoryExit ();
}
else
{
if (asprintf (&SubQuery," AND crs_usr.Role=%u",(unsigned) Role) < 0)
Lay_NotEnoughMemoryExit ();
}
NumCrss = (unsigned)
DB_QuerySELECT (&mysql_res,"can not get courses of a user",
"SELECT deg_degrees.DegCod," // row[0]
"crs_courses.CrsCod," // row[1]
"deg_degrees.ShortName," // row[2]
"deg_degrees.FullName," // row[3]
"crs_courses.Year," // row[4]
"crs_courses.FullName," // row[5]
"ctr_centers.ShortName," // row[6]
"crs_usr.Accepted" // row[7]
" FROM crs_usr,"
"crs_courses,"
"deg_degrees,"
"ctr_centers"
" WHERE crs_usr.UsrCod=%ld%s"
" AND crs_usr.CrsCod=crs_courses.CrsCod"
" AND crs_courses.DegCod=deg_degrees.DegCod"
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
" ORDER BY deg_degrees.FullName,"
"crs_courses.Year,"
"crs_courses.FullName",
UsrDat->UsrCod,SubQuery);
/***** Free allocated memory for subquery *****/
free (SubQuery);
/***** List the courses (one row per course) *****/
if (NumCrss)
{
/* Begin box and table */
Box_BoxTableBegin ("100%",NULL,
NULL,NULL,
NULL,Box_NOT_CLOSABLE,2);
/* Heading row */
HTM_TR_Begin (NULL);
HTM_TH_Begin (1,7,"LM");
HTM_TxtColon (Str_BuildStringStr (Txt_USER_in_COURSE,
Role == Rol_UNK ? Txt_User[Usr_SEX_UNKNOWN] : // Role == Rol_UNK ==> any role
Txt_ROLES_SINGUL_Abc[Role][UsrDat->Sex]));
Str_FreeString ();
HTM_TH_End ();
HTM_TR_End ();
HTM_TR_Begin (NULL);
HTM_TH (1,1,"BM",NULL);
HTM_TH (1,1,"BM",NULL);
HTM_TH (1,1,"LM",Txt_Degree);
HTM_TH (1,1,"CM",Txt_Year_OF_A_DEGREE);
HTM_TH (1,1,"LM",Txt_Course);
HTM_TH (1,1,"RM",Txt_ROLES_PLURAL_BRIEF_Abc[Rol_TCH]);
HTM_TH (1,1,"RM",Txt_ROLES_PLURAL_BRIEF_Abc[Rol_NET]);
HTM_TH (1,1,"RM",Txt_ROLES_PLURAL_BRIEF_Abc[Rol_STD]);
HTM_TR_End ();
/* 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);
}
/* End table and box */
Box_BoxTableEnd ();
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/**************************** List courses found *****************************/
/*****************************************************************************/
void Crs_ListCrssFound (MYSQL_RES **mysql_res,unsigned NumCrss)
{
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_ROLES_PLURAL_BRIEF_Abc[Rol_NUM_ROLES];
MYSQL_ROW row;
unsigned NumCrs;
/***** List the courses (one row per course) *****/
if (NumCrss)
{
/***** Begin box and table *****/
/* Number of courses found */
Box_BoxTableBegin (NULL,Str_BuildStringLongStr ((long) NumCrss,
(NumCrss == 1) ? Txt_course :
Txt_courses),
NULL,NULL,
NULL,Box_NOT_CLOSABLE,2);
Str_FreeString ();
/***** Heading row *****/
HTM_TR_Begin (NULL);
HTM_TH (1,1,"BM",NULL);
HTM_TH (1,1,"LM",Txt_Degree);
HTM_TH (1,1,"CM",Txt_Year_OF_A_DEGREE);
HTM_TH (1,1,"LM",Txt_Course);
HTM_TH (1,1,"RM",Txt_ROLES_PLURAL_BRIEF_Abc[Rol_TCH]);
HTM_TH (1,1,"RM",Txt_ROLES_PLURAL_BRIEF_Abc[Rol_NET]);
HTM_TH (1,1,"RM",Txt_ROLES_PLURAL_BRIEF_Abc[Rol_STD]);
HTM_TR_End ();
/***** 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);
}
/***** End table and box *****/
Box_BoxTableEnd ();
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (mysql_res);
}
/*****************************************************************************/
/************** 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_Enrolment_confirmed;
extern const char *Txt_Enrolment_not_confirmed;
extern const char *Txt_YEAR_OF_DEGREE[1 + Deg_MAX_YEARS_PER_DEGREE];
struct Deg_Degree Deg;
long CrsCod;
unsigned NumStds;
unsigned NumNETs;
unsigned NumTchs;
unsigned NumUsrs;
const char *ClassTxt;
const char *ClassLink;
const char *BgColor;
bool Accepted;
static unsigned RowEvenOdd = 1;
/*
SELECT deg_degrees.DegCod row[0]
crs_courses.CrsCod row[1]
deg_degrees.ShortName row[2]
deg_degrees.FullName row[3]
crs_courses.Year row[4]
crs_courses.FullName row[5]
ctr_centers.ShortName row[6]
crs_usr.Accepted row[7] (only if WriteColumnAccepted == true)
*/
/***** 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 teachers and students in this course *****/
NumStds = Usr_GetNumUsrsInCrss (Hie_Lvl_CRS,CrsCod,1 << Rol_STD);
NumNETs = Usr_GetNumUsrsInCrss (Hie_Lvl_CRS,CrsCod,1 << Rol_NET);
NumTchs = Usr_GetNumUsrsInCrss (Hie_Lvl_CRS,CrsCod,1 << Rol_TCH);
NumUsrs = NumStds + NumNETs + NumTchs;
if (NumUsrs)
{
ClassTxt = "DAT_N";
ClassLink = "BT_LINK LT DAT_N";
}
else
{
ClassTxt = "DAT";
ClassLink = "BT_LINK LT DAT";
}
BgColor = (CrsCod == Gbl.Hierarchy.Crs.CrsCod) ? "LIGHT_BLUE" :
Gbl.ColorRows[RowEvenOdd];
/***** Start row *****/
HTM_TR_Begin (NULL);
/***** User has accepted joining to this course/to any course in degree/to any course? *****/
if (WriteColumnAccepted)
{
Accepted = (row[7][0] == 'Y');
HTM_TD_Begin ("class=\"BT %s\" title=\"%s\"",
BgColor,
Accepted ? Txt_Enrolment_confirmed :
Txt_Enrolment_not_confirmed);
HTM_Txt (Accepted ? "&check;" :
"&cross;");
HTM_TD_End ();
}
/***** Write number of course in this search *****/
HTM_TD_Begin ("class=\"%s RT %s\"",ClassTxt,BgColor);
HTM_Unsigned (NumCrs);
HTM_TD_End ();
/***** Write degree logo, degree short name (row[2])
and center short name (row[6]) *****/
HTM_TD_Begin ("class=\"LT %s\"",BgColor);
Frm_BeginFormGoTo (ActSeeDegInf);
Deg_PutParamDegCod (Deg.DegCod);
HTM_BUTTON_SUBMIT_Begin (Hie_BuildGoToMsg (row[2]),ClassLink,NULL);
Hie_FreeGoToMsg ();
Lgo_DrawLogo (Hie_Lvl_DEG,Deg.DegCod,Deg.ShrtName,20,"CT",true);
HTM_TxtF ("&nbsp;%s&nbsp;(%s)",row[2],row[6]);
HTM_BUTTON_End ();
Frm_EndForm ();
HTM_TD_End ();
/***** Write year (row[4]) *****/
HTM_TD_Begin ("class=\"%s CT %s\"",ClassTxt,BgColor);
HTM_Txt (Txt_YEAR_OF_DEGREE[Deg_ConvStrToYear (row[4])]);
HTM_TD_End ();
/***** Write course full name (row[5]) *****/
HTM_TD_Begin ("class=\"LT %s\"",BgColor);
Frm_BeginFormGoTo (ActSeeCrsInf);
Crs_PutParamCrsCod (CrsCod);
HTM_BUTTON_SUBMIT_Begin (Hie_BuildGoToMsg (row[5]),ClassLink,NULL);
Hie_FreeGoToMsg ();
HTM_Txt (row[5]);
HTM_BUTTON_End ();
Frm_EndForm ();
HTM_TD_End ();
/***** Write number of teachers in course *****/
HTM_TD_Begin ("class=\"%s RT %s\"",ClassTxt,BgColor);
HTM_Unsigned (NumTchs);
HTM_TD_End ();
/***** Write number of non-editing teachers in course *****/
HTM_TD_Begin ("class=\"%s RT %s\"",ClassTxt,BgColor);
HTM_Unsigned (NumNETs);
HTM_TD_End ();
/***** Write number of students in course *****/
HTM_TD_Begin ("class=\"%s RT %s\"",ClassTxt,BgColor);
HTM_Unsigned (NumStds);
HTM_TD_End ();
HTM_TR_End ();
RowEvenOdd = 1 - RowEvenOdd;
}
/*****************************************************************************/
/***************** Update my last click in current course ********************/
/*****************************************************************************/
void Crs_UpdateCrsLast (void)
{
if (Gbl.Hierarchy.Level == Hie_Lvl_CRS && // Course selected
Gbl.Usrs.Me.Role.Logged >= Rol_STD)
/***** Update my last access to current course *****/
DB_QueryUPDATE ("can not update last access to current course",
"REPLACE INTO crs_last (CrsCod,LastTime)"
" VALUES (%ld,NOW())",
Gbl.Hierarchy.Crs.CrsCod);
}
/*****************************************************************************/
/********************** Put link to remove old courses ***********************/
/*****************************************************************************/
void Crs_PutLinkToRemoveOldCrss (void)
{
extern const char *Txt_Eliminate_old_courses;
/***** Put form to remove old courses *****/
Lay_PutContextualLinkIconText (ActReqRemOldCrs,NULL,
NULL,NULL,
"trash.svg",
Txt_Eliminate_old_courses);
}
/*****************************************************************************/
/********************** Write form to remove old courses *********************/
/*****************************************************************************/
void Crs_AskRemoveOldCrss (void)
{
extern const char *Hlp_SYSTEM_Maintenance_eliminate_old_courses;
extern const char *The_ClassFormInBox[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;
/***** Begin form *****/
Frm_BeginForm (ActRemOldCrs);
/***** Begin box *****/
Box_BoxBegin (NULL,Txt_Eliminate_old_courses,
NULL,NULL,
Hlp_SYSTEM_Maintenance_eliminate_old_courses,Box_NOT_CLOSABLE);
/***** Form to request number of months without clicks *****/
HTM_LABEL_Begin ("class=\"%s\"",The_ClassFormInBox[Gbl.Prefs.Theme]);
HTM_TxtF ("%s&nbsp;",Txt_Eliminate_all_courses_whithout_users_PART_1_OF_2);
HTM_SELECT_Begin (HTM_DONT_SUBMIT_ON_CHANGE,
"name=\"Months\"");
for (i = Crs_MIN_MONTHS_WITHOUT_ACCESS_TO_REMOVE_OLD_CRSS;
i <= Crs_MAX_MONTHS_WITHOUT_ACCESS_TO_REMOVE_OLD_CRSS;
i++)
HTM_OPTION (HTM_Type_UNSIGNED,&i,
i == MonthsWithoutAccess,false,
"%u",i);
HTM_SELECT_End ();
HTM_NBSP ();
HTM_TxtF (Txt_Eliminate_all_courses_whithout_users_PART_2_OF_2,
Cfg_PLATFORM_SHORT_NAME);
HTM_LABEL_End ();
/***** Send button and end box *****/
Box_BoxWithButtonEnd (Btn_REMOVE_BUTTON,Txt_Eliminate);
/***** End form *****/
Frm_EndForm ();
}
/*****************************************************************************/
/**************************** 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;
unsigned MonthsWithoutAccess;
unsigned long SecondsWithoutAccess;
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 *****/
MonthsWithoutAccess = (unsigned)
Par_GetParToUnsignedLong ("Months",
Crs_MIN_MONTHS_WITHOUT_ACCESS_TO_REMOVE_OLD_CRSS,
Crs_MAX_MONTHS_WITHOUT_ACCESS_TO_REMOVE_OLD_CRSS,
UINT_MAX);
if (MonthsWithoutAccess == UINT_MAX)
Lay_ShowErrorAndExit ("Wrong number of months without clicks.");
SecondsWithoutAccess = (unsigned long) MonthsWithoutAccess * Dat_SECONDS_IN_ONE_MONTH;
/***** Get old courses from database *****/
NumCrss = DB_QuerySELECT (&mysql_res,"can not get old courses",
"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)
{
Ale_ShowAlert (Ale_INFO,Txt_Eliminating_X_courses_whithout_users_and_with_more_than_Y_months_without_access,
NumCrss,
MonthsWithoutAccess,
Cfg_PLATFORM_SHORT_NAME);
/***** 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 *****/
Ale_ShowAlert (Ale_SUCCESS,Txt_X_courses_have_been_eliminated,
NumCrssRemoved);
}
/*****************************************************************************/
/************************ Course constructor/destructor **********************/
/*****************************************************************************/
static void Crs_EditingCourseConstructor (void)
{
/***** Pointer must be NULL *****/
if (Crs_EditingCrs != NULL)
Lay_ShowErrorAndExit ("Error initializing course.");
/***** Allocate memory for course *****/
if ((Crs_EditingCrs = malloc (sizeof (*Crs_EditingCrs))) == NULL)
Lay_NotEnoughMemoryExit ();
/***** Reset course *****/
Crs_EditingCrs->CrsCod = -1L;
Crs_EditingCrs->InstitutionalCrsCod[0] = '\0';
Crs_EditingCrs->DegCod = -1L;
Crs_EditingCrs->Year = 0;
Crs_EditingCrs->Status = 0;
Crs_EditingCrs->ShrtName[0] = '\0';
Crs_EditingCrs->FullName[0] = '\0';
}
static void Crs_EditingCourseDestructor (void)
{
/***** Free memory used for course *****/
if (Crs_EditingCrs != NULL)
{
free (Crs_EditingCrs);
Crs_EditingCrs = NULL;
}
}
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