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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) 1999-2014 Antonio Cañas Vargas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*****************************************************************************/
/********************************* Headers ***********************************/
/*****************************************************************************/
#include <linux/limits.h> // For PATH_MAX
#include <linux/stddef.h> // For NULL
#include <limits.h> // For maximum values
#include <stdlib.h> // For getenv, etc.
#include <string.h> // For string functions
#include "swad_course.h"
#include "swad_constant.h"
#include "swad_database.h"
#include "swad_degree.h"
#include "swad_exam.h"
#include "swad_global.h"
#include "swad_indicator.h"
#include "swad_notification.h"
#include "swad_parameter.h"
#include "swad_QR.h"
#include "swad_RSS.h"
#include "swad_theme.h"
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
/*****************************************************************************/
/*************************** Public constants ********************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private types *********************************/
/*****************************************************************************/
/*****************************************************************************/
/**************************** Private constants ******************************/
/*****************************************************************************/
#define Crs_MAX_LENGTH_FULL_NAME_COURSE_ON_LIST_OF_MY_COURSES 60
/*****************************************************************************/
/**************************** Private prototypes *****************************/
/*****************************************************************************/
static void Crs_Configuration (bool PrintView);
static void Crs_PutFormToConfigLogIn (bool IsForm);
static void Crs_WriteListMyCoursesToSelectOne (void);
static void Crs_GetListCoursesInDegree (Crs_WhatCourses_t WhatCourses);
static void Crs_ListCourses (void);
static void Crs_EditCourses (void);
static void Crs_ListCoursesForSeeing (void);
static void Crs_ListCoursesForEdition (void);
static bool Crs_CheckIfICanEdit (struct Course *Crs);
static Crs_StatusTxt_t Crs_GetStatusTxtFromStatusBits (Crs_Status_t Status);
static Crs_Status_t Crs_GetStatusBitsFromStatusTxt (Crs_StatusTxt_t StatusTxt);
static void Crs_PutFormToCreateCourse (void);
static void Crs_PutHeadCoursesForSeeing (void);
static void Crs_PutHeadCoursesForEdition (void);
static void Crs_RecFormRequestOrCreateCrs (unsigned Status);
static void Crs_GetParamsNewCourse (struct Course *Crs);
static bool Crs_CheckIfCourseNameExistsInCourses (long DegCod,unsigned Year,const char *FieldName,const char *Name,long CrsCod);
static void Crs_CreateCourse (struct Course *Crs,unsigned Status);
static void Crs_GetDataOfCourseFromRow (struct Course *Crs,MYSQL_ROW row);
static void Crs_EmptyCourseCompletely (long CrsCod);
static bool Crs_RenameCourse (struct Course *Crs,Cns_ShortOrFullName_t ShortOrFullName);
static void Crs_PutLinkToGoToCrs (struct Course *Crs);
static void Usr_PutFormToSearchCourses (void);
static void Crs_PutParamOtherCrsCod (long CrsCod);
static long Crs_GetParamOtherCrsCod (void);
static void Crs_WriteRowCrsData (unsigned NumCrs,MYSQL_ROW row,bool WriteColumnAccepted);
/*****************************************************************************/
/***************** Show introduction to the current course *******************/
/*****************************************************************************/
void Crs_ShowIntroduction (void)
{
/***** Course configuration *****/
fprintf (Gbl.F.Out,"<div align=\"center\" style=\"margin-bottom:20px;\">");
Crs_Configuration (false);
fprintf (Gbl.F.Out,"</div>");
/***** Course introduction *****/
Inf_ShowInfo ();
}
/*****************************************************************************/
/***************** Print configuration of the current course *****************/
/*****************************************************************************/
void Crs_PrintConfiguration (void)
{
Crs_Configuration (true);
}
/*****************************************************************************/
/***************** Configuration of the current course ***********************/
/*****************************************************************************/
static void Crs_Configuration (bool PrintView)
{
extern const char *The_ClassFormul[The_NUM_THEMES];
extern const char *Txt_This_course_fulfills_X_out_of_Y_indicators_;
extern const char *Txt_TABS_FULL_TXT[Act_NUM_TABS];
extern const char *Txt_MENU_NO_BR[Act_NUM_TABS][Act_MAX_OPTIONS_IN_MENU_PER_TAB];
extern const char *Txt_Show_more_details;
extern const char *Txt_NO;
extern const char *Txt_Course;
extern const char *Txt_Short_Name;
extern const char *Txt_Year_OF_A_DEGREE;
extern const char *Txt_YEAR_OF_DEGREE[1+Deg_MAX_YEARS_PER_DEGREE];
extern const char *Txt_Semester;
extern const char *Txt_SEMESTER_OF_YEAR[1+2];
extern const char *Txt_Institutional_code;
extern const char *Txt_Internal_code;
extern const char *Txt_Shortcut_to_this_course;
extern const char *Txt_QR_code;
extern const char *Txt_ROLES_PLURAL_Abc[Rol_NUM_ROLES][Usr_NUM_SEXS];
extern const char *Txt_Indicators;
extern const char *Txt_of_PART_OF_A_TOTAL;
extern const char *Txt_Save;
Act_Action_t Superaction;
unsigned Year;
unsigned Semester;
struct Ind_IndicatorsCrs Indicators;
bool IsForm = (!PrintView && Gbl.Usrs.Me.LoggedRole >= Rol_ROLE_TEACHER);
bool PutLink = !PrintView && Gbl.CurrentDeg.Deg.WWW[0];
/***** Messages and links above the frame *****/
if (!PrintView)
{
/* Get indicators and show warning */
Ind_GetIndicatorsCrs (Gbl.CurrentCrs.Crs.CrsCod,&Indicators);
if (Gbl.Usrs.Me.LoggedRole == Rol_ROLE_TEACHER &&
Indicators.CountIndicators < Ind_NUM_INDICATORS)
{
/* Warning alert */
Superaction = Act_Actions[ActSeeAllStaCrs].SuperAction;
sprintf (Gbl.Message,Txt_This_course_fulfills_X_out_of_Y_indicators_,
Indicators.CountIndicators,Ind_NUM_INDICATORS,
Ind_NUM_INDICATORS,
Cfg_HTTPS_URL_SWAD_CGI,Gbl.CurrentCrs.Crs.CrsCod,Act_Actions[ActSeeAllStaCrs].ActCod,
Txt_TABS_FULL_TXT[Act_Actions[Superaction].Tab],
Txt_MENU_NO_BR[Act_Actions[Superaction].Tab][Act_Actions[Superaction].IndexInMenu],
Txt_Show_more_details,
Txt_NO);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
/* Link to print view */
fprintf (Gbl.F.Out,"<div align=\"center\">");
Lay_PutLinkToPrintView1 (ActPrnCrsInf);
Lay_PutLinkToPrintView2 ();
fprintf (Gbl.F.Out,"</div>");
/* Start form */
if (IsForm)
Act_FormStart (ActChgCrsLog);
}
/***** Start frame *****/
Lay_StartRoundFrameTable10 (NULL,2,NULL);
/***** Title *****/
fprintf (Gbl.F.Out,"<tr>"
"<td colspan=\"2\" align=\"center\" class=\"TITLE_LOCATION\">");
if (PutLink)
fprintf (Gbl.F.Out,"<a href=\"%s\" target=\"_blank\""
" class=\"TITLE_LOCATION\" title=\"%s\">",
Gbl.CurrentDeg.Deg.WWW,
Gbl.CurrentDeg.Deg.FullName);
fprintf (Gbl.F.Out,"<img src=\"%s/%s/%s64x64.gif\""
" alt=\"%s\" class=\"ICON64x64\" />",
Gbl.Prefs.IconsURL,Cfg_ICON_FOLDER_DEGREES,
Gbl.CurrentDeg.Deg.Logo,
Gbl.CurrentDeg.Deg.ShortName);
if (PutLink)
fprintf (Gbl.F.Out,"</a>");
fprintf (Gbl.F.Out,"<br />%s"
"</td>"
"</tr>",
Gbl.CurrentCrs.Crs.FullName);
/***** Course full name *****/
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"right\" valign=\"middle\" class=\"%s\">%s:</td>"
"<td align=\"left\" valign=\"middle\" class=\"DAT_N\">%s</td>"
"</tr>",
The_ClassFormul[Gbl.Prefs.Theme],
Txt_Course,
Gbl.CurrentCrs.Crs.FullName);
/***** Course short name *****/
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"right\" valign=\"middle\" class=\"%s\">%s:</td>"
"<td align=\"left\" valign=\"middle\" class=\"DAT\">%s</td>"
"</tr>",
The_ClassFormul[Gbl.Prefs.Theme],
Txt_Short_Name,
Gbl.CurrentCrs.Crs.ShortName);
/***** Course year *****/
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"right\" valign=\"middle\" class=\"%s\">%s:</td>"
"<td align=\"left\" valign=\"middle\" class=\"DAT\">",
The_ClassFormul[Gbl.Prefs.Theme],
Txt_Year_OF_A_DEGREE);
if (IsForm)
{
fprintf (Gbl.F.Out,"<select name=\"OthCrsYear\">");
for (Year = 0;
Year <= Gbl.CurrentDeg.Deg.LastYear;
Year++)
if (Deg_CheckIfYearIsValidInDeg (Year,&Gbl.CurrentDeg.Deg))
fprintf (Gbl.F.Out,"<option value=\"%u\"%s>%s</option>",
Year,
Year == Gbl.CurrentCrs.Crs.Year ? " selected=\"selected\"" :
"",
Txt_YEAR_OF_DEGREE[Year]);
fprintf (Gbl.F.Out,"</select>");
}
else
fprintf (Gbl.F.Out,"%s",Txt_YEAR_OF_DEGREE[Gbl.CurrentCrs.Crs.Year]);
fprintf (Gbl.F.Out,"</td>"
"</tr>");
/***** Course semester *****/
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"right\" valign=\"middle\" class=\"%s\">%s:</td>"
"<td align=\"left\" valign=\"middle\" class=\"DAT\">",
The_ClassFormul[Gbl.Prefs.Theme],
Txt_Semester);
if (IsForm)
{
fprintf (Gbl.F.Out,"<select name=\"OthCrsSem\">");
for (Semester = 0;
Semester <= 2;
Semester++)
fprintf (Gbl.F.Out,"<option value=\"%u\"%s>%s</option>",
Semester,
Semester == Gbl.CurrentCrs.Crs.Semester ? " selected=\"selected\"" :
"",
Txt_SEMESTER_OF_YEAR[Semester]);
fprintf (Gbl.F.Out,"</select>");
}
else
fprintf (Gbl.F.Out,"%s",Txt_SEMESTER_OF_YEAR[Gbl.CurrentCrs.Crs.Semester]);
fprintf (Gbl.F.Out,"</td>"
"</tr>");
if (!PrintView)
{
/***** Institutional code of the course *****/
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"right\" valign=\"middle\" class=\"%s\">%s:</td>"
"<td align=\"left\" valign=\"middle\" class=\"DAT\">",
The_ClassFormul[Gbl.Prefs.Theme],
Txt_Institutional_code);
if (IsForm)
fprintf (Gbl.F.Out,"<input type=\"text\" name=\"InsCrsCod\" size=\"%u\" maxlength=\"%u\" value=\"%s\" />",
Crs_LENGTH_INSTITUTIONAL_CRS_COD,
Crs_LENGTH_INSTITUTIONAL_CRS_COD,
Gbl.CurrentCrs.Crs.InstitutionalCrsCod);
else
fprintf (Gbl.F.Out,"%s",Gbl.CurrentCrs.Crs.InstitutionalCrsCod);
fprintf (Gbl.F.Out,"</td>"
"</tr>");
/***** Internal code of the course *****/
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"right\" valign=\"middle\" class=\"%s\">%s:</td>"
"<td align=\"left\" valign=\"middle\" class=\"DAT\">%ld</td>"
"</tr>",
The_ClassFormul[Gbl.Prefs.Theme],Txt_Internal_code,
Gbl.CurrentCrs.Crs.CrsCod);
}
/***** Link to the course *****/
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"right\" valign=\"middle\" class=\"%s\">%s:</td>"
"<td align=\"left\" valign=\"middle\" class=\"DAT\">"
"<a href=\"%s/?CrsCod=%ld\" class=\"DAT\" target=\"_blank\">%s/?CrsCod=%ld</a>"
"</td>"
"</tr>",
The_ClassFormul[Gbl.Prefs.Theme],
Txt_Shortcut_to_this_course,
Cfg_HTTPS_URL_SWAD_CGI,Gbl.CurrentCrs.Crs.CrsCod,
Cfg_HTTPS_URL_SWAD_CGI,Gbl.CurrentCrs.Crs.CrsCod);
if (PrintView)
{
/***** QR code with link to the course *****/
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"right\" valign=\"middle\" class=\"%s\">%s:</td>"
"<td align=\"left\" valign=\"middle\" class=\"DAT\">",
The_ClassFormul[Gbl.Prefs.Theme],
Txt_QR_code);
QR_LinkToCourse (200);
fprintf (Gbl.F.Out,"</td>"
"</tr>");
}
else
{
/***** Choice whether a course allows direct log in *****/
if (Cfg_EXTERNAL_LOGIN_SERVICE_SHORT_NAME[0]) // If external login service exists
Crs_PutFormToConfigLogIn (IsForm);
/***** Number of teachers *****/
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"right\" valign=\"middle\" class=\"%s\">%s:</td>"
"<td align=\"left\" valign=\"middle\" class=\"DAT\">%u</td>"
"</tr>",
The_ClassFormul[Gbl.Prefs.Theme],
Txt_ROLES_PLURAL_Abc[Rol_ROLE_TEACHER][Usr_SEX_UNKNOWN],Gbl.CurrentCrs.Crs.NumTchs);
/***** Number of students *****/
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"right\" valign=\"middle\" class=\"%s\">%s:</td>"
"<td align=\"left\" valign=\"middle\" class=\"DAT\">%u</td>"
"</tr>",
The_ClassFormul[Gbl.Prefs.Theme],
Txt_ROLES_PLURAL_Abc[Rol_ROLE_STUDENT][Usr_SEX_UNKNOWN],Gbl.CurrentCrs.Crs.NumStds);
/***** Indicators *****/
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"right\" valign=\"middle\" class=\"%s\">%s:</td>"
"<td align=\"left\" valign=\"middle\" class=\"DAT\">"
"<a href=\"%s/?CrsCod=%ld&amp;ActCod=%ld\" target=\"_blank\" class=\"DAT\">%u %s %u "
"<img src=\"%s/%s16x16.gif\" alt=\"\""
" class=\"ICON16x16\" style=\"vertical-align:top;\"/>"
"</a>"
"</td>"
"</tr>",
The_ClassFormul[Gbl.Prefs.Theme],Txt_Indicators,
Cfg_HTTPS_URL_SWAD_CGI,Gbl.CurrentCrs.Crs.CrsCod,Act_Actions[ActReqStaCrs].ActCod,
Indicators.CountIndicators,Txt_of_PART_OF_A_TOTAL,Ind_NUM_INDICATORS,
Gbl.Prefs.IconsURL,
(Indicators.CountIndicators == Ind_NUM_INDICATORS) ? "ok_green" :
"warning");
}
/***** End of the frame *****/
Lay_EndRoundFrameTable10 ();
/***** End form *****/
if (IsForm)
{
Lay_PutSendButton (Txt_Save);
fprintf (Gbl.F.Out,"</form>");
}
}
/*****************************************************************************/
/********* Put form to choice whether a course allows direct log in **********/
/*****************************************************************************/
static void Crs_PutFormToConfigLogIn (bool IsForm)
{
extern const char *The_ClassFormul[The_NUM_THEMES];
extern const char *Txt_Students_authentication;
extern const char *Txt_STUDENTS_must_enter_through_X;
extern const char *Txt_STUDENTS_may_enter_directly;
/***** Can students enter directly? *****/
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"right\" valign=\"middle\" class=\"%s\">%s:</td>"
"<td align=\"left\" valign=\"middle\">",
The_ClassFormul[Gbl.Prefs.Theme],Txt_Students_authentication);
fprintf (Gbl.F.Out,"<input type=\"radio\" name=\"AllowDirectLogIn\" value=\"N\"");
if (!Gbl.CurrentDegTyp.DegTyp.AllowDirectLogIn &&
!Gbl.CurrentCrs.Crs.AllowDirectLogIn)
fprintf (Gbl.F.Out," checked=\"checked\"");
if (!IsForm || Gbl.CurrentDegTyp.DegTyp.AllowDirectLogIn)
fprintf (Gbl.F.Out," disabled=\"disabled\"");
fprintf (Gbl.F.Out," /><span class=\"DAT\">");
fprintf (Gbl.F.Out,Txt_STUDENTS_must_enter_through_X,
Cfg_EXTERNAL_LOGIN_SERVICE_SHORT_NAME);
fprintf (Gbl.F.Out,"<br /></span>");
fprintf (Gbl.F.Out,"<input type=\"radio\" name=\"AllowDirectLogIn\" value=\"Y\"");
if (Gbl.CurrentDegTyp.DegTyp.AllowDirectLogIn ||
Gbl.CurrentCrs.Crs.AllowDirectLogIn)
fprintf (Gbl.F.Out," checked=\"checked\"");
if (!IsForm || Gbl.CurrentDegTyp.DegTyp.AllowDirectLogIn)
fprintf (Gbl.F.Out," disabled=\"disabled\"");
fprintf (Gbl.F.Out," /><span class=\"DAT\">%s</span>",
Txt_STUDENTS_may_enter_directly);
fprintf (Gbl.F.Out,"</td>"
"</tr>");
}
/*****************************************************************************/
/******************** Change the configuration of a course *******************/
/*****************************************************************************/
void Crs_ChangeCourseConfig (void)
{
extern const char *Txt_The_configuration_of_the_course_X_has_been_updated;
char Query[512];
char YearStr[2+1];
char YN[1+1];
char SemesterStr[1+1];
/***** Get parameters from form *****/
/* Get institutional code */
Par_GetParToText ("InsCrsCod",Gbl.CurrentCrs.Crs.InstitutionalCrsCod,Crs_LENGTH_INSTITUTIONAL_CRS_COD);
/* Get year */
Par_GetParToText ("OthCrsYear",YearStr,2);
Gbl.CurrentCrs.Crs.Year = Deg_ConvStrToYear (YearStr);
/* Get semester */
Par_GetParToText ("OthCrsSem",SemesterStr,1);
Gbl.CurrentCrs.Crs.Semester = Deg_ConvStrToSemester (SemesterStr);
/* Get whether this course allows direct log in or not */
Par_GetParToText ("AllowDirectLogIn",YN,1);
Gbl.CurrentCrs.Crs.AllowDirectLogIn = (Str_ConvertToUpperLetter (YN[0]) == 'Y');
/***** Update table of degree types *****/
sprintf (Query,"UPDATE courses SET InsCrsCod='%s',Year='%u',Semester='%u',AllowDirectLogIn='%c'"
" WHERE CrsCod='%ld'",
Gbl.CurrentCrs.Crs.InstitutionalCrsCod,
Gbl.CurrentCrs.Crs.Year,
Gbl.CurrentCrs.Crs.Semester,
Gbl.CurrentCrs.Crs.AllowDirectLogIn ? 'Y' :
'N',
Gbl.CurrentCrs.Crs.CrsCod);
DB_QueryUPDATE (Query,"can not update the type of log in for a course");
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_The_configuration_of_the_course_X_has_been_updated,
Gbl.CurrentCrs.Crs.ShortName);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Show the form again *****/
Crs_ShowIntroduction ();
}
/*****************************************************************************/
/************************ Write menu with my courses *************************/
/*****************************************************************************/
static void Crs_WriteListMyCoursesToSelectOne (void)
{
extern const char *The_ClassFormul[The_NUM_THEMES];
extern const char *Txt_My_courses;
extern const char *Txt_Go_to_X;
unsigned NumMyCrs;
struct Degree Deg;
struct Course Crs;
char CourseFullName[Crs_MAX_LENGTH_COURSE_FULL_NAME+1]; // Full name of course
char PathRelRSSFile[PATH_MAX+1];
/***** Start form *****/
Lay_StartRoundFrameTable10 (NULL,0,Txt_My_courses);
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"left\">"
"<ul style=\"list-style-type:none; padding:0; margin:0;\">");
/***** Write an option for each of my courses *****/
for (NumMyCrs = 0;
NumMyCrs < Gbl.Usrs.Me.MyCourses.Num;
NumMyCrs++)
{
/* Get data of this course */
Crs.CrsCod = Gbl.Usrs.Me.MyCourses.Crss[NumMyCrs].CrsCod;
Crs_GetDataOfCourseByCod (&Crs);
Deg.DegCod = Crs.DegCod;
Deg_GetDataOfDegreeByCod (&Deg);
strcpy (CourseFullName,Crs.FullName);
Str_LimitLengthHTMLStr (CourseFullName,Crs_MAX_LENGTH_FULL_NAME_COURSE_ON_LIST_OF_MY_COURSES);
/* Start list entry */
fprintf (Gbl.F.Out,"<li");
if (Gbl.Usrs.Me.MyCourses.Crss[NumMyCrs].CrsCod == Gbl.CurrentCrs.Crs.CrsCod)
fprintf (Gbl.F.Out," style=\"background-color:%s;\"",VERY_LIGHT_BLUE);
fprintf (Gbl.F.Out," class=\"%s\">",The_ClassFormul[Gbl.Prefs.Theme]);
/* Put form to go to one of my courses */
Act_FormGoToStart (ActSeeCrsInf);
Crs_PutParamCrsCod (Crs.CrsCod);
sprintf (Gbl.Title,Txt_Go_to_X,Crs.FullName);
Act_LinkFormSubmit (Gbl.Title,The_ClassFormul[Gbl.Prefs.Theme]);
fprintf (Gbl.F.Out,"<img src=\"%s/%s/%s16x16.gif\" alt=\"%s\""
" class=\"ICON16x16\""
" style=\"vertical-align:middle;\" />"
" %s &gt; %s</a>"
"</form>",
Gbl.Prefs.IconsURL,Cfg_ICON_FOLDER_DEGREES,Deg.Logo,Deg.ShortName,
Deg.ShortName,CourseFullName);
/* Write link to RSS file */
sprintf (PathRelRSSFile,"%s/%s/%ld/%s/%s",
Cfg_PATH_SWAD_PUBLIC,Cfg_FOLDER_CRS,Crs.CrsCod,Cfg_RSS_FOLDER,Cfg_RSS_FILE);
if (!Fil_CheckIfPathExists (PathRelRSSFile))
RSS_UpdateRSSFileForACrs (&Crs);
fprintf (Gbl.F.Out," <a href=\"");
RSS_WriteRSSLink (Gbl.F.Out,Crs.CrsCod);
fprintf (Gbl.F.Out,"\" target=\"_blank\">"
"<img src=\"%s/rss16x16.gif\" alt=\"RSS\""
" class=\"ICON16x16\""
" style=\"vertical-align:middle;\" />"
"</a>",
Gbl.Prefs.IconsURL);
/* End list entry */
fprintf (Gbl.F.Out,"</li>");
}
fprintf (Gbl.F.Out,"</ul>"
"</td>"
"</tr>");
Lay_EndRoundFrameTable10 ();
}
/*****************************************************************************/
/*********************** Get total number of courses *************************/
/*****************************************************************************/
unsigned Crs_GetNumCrssTotal (void)
{
char Query[256];
/***** Get total number of courses from database *****/
sprintf (Query,"SELECT COUNT(*) FROM courses");
return (unsigned) DB_QueryCOUNT (Query,"can not get the total number of courses");
}
/*****************************************************************************/
/****************** Get number of courses in a country ***********************/
/*****************************************************************************/
unsigned Crs_GetNumCrssInCty (long CtyCod)
{
char Query[512];
/***** Get number of courses in a country from database *****/
sprintf (Query,"SELECT COUNT(*) FROM institutions,centres,degrees,courses"
" WHERE institutions.CtyCod='%ld'"
" AND institutions.InsCod=centres.InsCod"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod",
CtyCod);
return (unsigned) DB_QueryCOUNT (Query,"can not get the number of courses in a country");
}
/*****************************************************************************/
/**************** Get number of courses in an institution ********************/
/*****************************************************************************/
unsigned Crs_GetNumCrssInIns (long InsCod)
{
char Query[512];
/***** Get number of courses in a degree from database *****/
sprintf (Query,"SELECT COUNT(*) FROM centres,degrees,courses"
" WHERE centres.InsCod='%ld'"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod",
InsCod);
return (unsigned) DB_QueryCOUNT (Query,"can not get the number of courses in an institution");
}
/*****************************************************************************/
/******************** Get number of courses in a centre **********************/
/*****************************************************************************/
unsigned Crs_GetNumCrssInCtr (long CtrCod)
{
char Query[512];
/***** Get number of courses in a degree from database *****/
sprintf (Query,"SELECT COUNT(*) FROM degrees,courses"
" WHERE degrees.CtrCod='%ld' AND degrees.DegCod=courses.DegCod",
CtrCod);
return (unsigned) DB_QueryCOUNT (Query,"can not get the number of courses in a centre");
}
/*****************************************************************************/
/******************** Get number of courses in a degree **********************/
/*****************************************************************************/
unsigned Crs_GetNumCrssInDeg (long DegCod)
{
char Query[256];
/***** Get number of courses in a degree from database *****/
sprintf (Query,"SELECT COUNT(*) FROM courses"
" WHERE DegCod='%ld'",
DegCod);
return (unsigned) DB_QueryCOUNT (Query,"can not get the number of courses in a degree");
}
/*****************************************************************************/
/********************* Get number of courses with users **********************/
/*****************************************************************************/
unsigned Crs_GetNumCrssWithUsrs (Rol_Role_t Role,const char *SubQuery)
{
char Query[512];
/***** Get number of degrees with users from database *****/
sprintf (Query,"SELECT COUNT(DISTINCT courses.CrsCod)"
" FROM institutions,centres,degrees,courses,crs_usr"
" WHERE %sinstitutions.InsCod=centres.InsCod"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=crs_usr.CrsCod"
" AND crs_usr.Role='%u'",
SubQuery,(unsigned) Role);
return (unsigned) DB_QueryCOUNT (Query,"can not get number of courses with users");
}
/*****************************************************************************/
/************************** Show courses of a degree *************************/
/*****************************************************************************/
void Crs_ShowCrssOfCurrentDeg (void)
{
if (Gbl.CurrentDeg.Deg.DegCod > 0)
{
/***** Get list of courses in this degree *****/
Crs_GetListCoursesInDegree (Crs_ALL_COURSES_EXCEPT_REMOVED);
/***** Write menu to select country, institution, centre and degree *****/
Deg_WriteMenuAllCourses (ActSeeIns,ActSeeCtr,ActSeeDeg,ActSeeCrs);
/***** Put link (form) to edit courses in current degree *****/
if (Gbl.Usrs.Me.LoggedRole >= Rol_ROLE_GUEST)
Lay_PutFormToEdit (ActEdiCrs);
/***** Show list of courses *****/
Crs_ListCourses ();
/***** Free list of courses in this degree *****/
Crs_FreeListCoursesInDegree (&Gbl.CurrentDeg.Deg);
}
}
/*****************************************************************************/
/************************ Request edition of courses *************************/
/*****************************************************************************/
void Crs_ReqEditCourses (void)
{
if (Gbl.CurrentDeg.Deg.DegCod > 0)
{
/***** Get list of courses in this degree *****/
Crs_GetListCoursesInDegree (Crs_ALL_COURSES_EXCEPT_REMOVED);
/***** Get list of degrees administrated by me *****/
Deg_GetListDegsAdminByMe ();
/***** Put form to edit courses *****/
Crs_EditCourses ();
/***** Free list of courses in this degree *****/
Crs_FreeListCoursesInDegree (&Gbl.CurrentDeg.Deg);
/***** Free list of degrees administrated by me *****/
Deg_FreeListMyAdminDegs ();
}
}
/*****************************************************************************/
/**************** Create a list with courses in this degree ******************/
/*****************************************************************************/
static void Crs_GetListCoursesInDegree (Crs_WhatCourses_t WhatCourses)
{
char Query[512];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRows;
unsigned NumCrs;
struct Course *Crs;
/***** Get courses of a degree from database *****/
switch (WhatCourses)
{
case Crs_ACTIVE_COURSES:
sprintf (Query,"SELECT CrsCod,DegCod,Year,Semester,InsCrsCod,AllowDirectLogIn,Status,RequesterUsrCod,ShortName,FullName"
" FROM courses WHERE DegCod='%ld' AND Status=0"
" ORDER BY Year,ShortName",
Gbl.CurrentDeg.Deg.DegCod);
break;
case Crs_ALL_COURSES_EXCEPT_REMOVED:
sprintf (Query,"SELECT CrsCod,DegCod,Year,Semester,InsCrsCod,AllowDirectLogIn,Status,RequesterUsrCod,ShortName,FullName"
" FROM courses WHERE DegCod='%ld' AND (Status & %u)=0"
" ORDER BY Year,ShortName",
Gbl.CurrentDeg.Deg.DegCod,
(unsigned) Crs_STATUS_BIT_REMOVED);
break;
default:
break;
}
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get the courses of a degree");
if (NumRows) // Courses found...
{
// NumRows should be equal to Deg->NumCourses
Gbl.CurrentDeg.Deg.NumCourses = (unsigned) NumRows;
/***** Create list with courses in degree *****/
if ((Gbl.CurrentDeg.Deg.LstCrss = (struct Course *) calloc (NumRows,sizeof (struct Course))) == NULL)
Lay_ShowErrorAndExit ("Not enough memory to store the courses of a degree.");
/***** Get the courses in degree *****/
for (NumCrs = 0;
NumCrs < Gbl.CurrentDeg.Deg.NumCourses;
NumCrs++)
{
Crs = &(Gbl.CurrentDeg.Deg.LstCrss[NumCrs]);
/* Get next course */
row = mysql_fetch_row (mysql_res);
Crs_GetDataOfCourseFromRow (Crs,row);
}
}
else
Gbl.CurrentDeg.Deg.NumCourses = 0;
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/********************* Free list of courses in this degree *******************/
/*****************************************************************************/
void Crs_FreeListCoursesInDegree (struct Degree *Deg)
{
if (Deg->LstCrss)
{
/***** Free memory used by the list of courses in degree *****/
free ((void *) Deg->LstCrss);
Deg->LstCrss = NULL;
Deg->NumCourses = 0;
}
}
/*****************************************************************************/
/********************** Write selector of my coursess ************************/
/*****************************************************************************/
void Crs_WriteSelectorMyCourses (void)
{
extern const char *Txt_No_COURSE_SELECTED;
static const unsigned SelectorWidth[Lay_NUM_LAYOUTS] =
{
140, // Lay_LAYOUT_DESKTOP
240, // Lay_LAYOUT_MOBILE
};
unsigned NumMyCrs;
bool IBelongToCurrentCrs = false;
long CrsCod;
long DegCod;
long LastDegCod;
char CrsShortName[Crs_MAX_LENGTH_COURSE_SHORT_NAME+1];
char DegShortName[Deg_MAX_LENGTH_DEGREE_SHORT_NAME+1];
/***** Fill the list with the courses I belong to, if not filled *****/
if (Gbl.Usrs.Me.Logged)
Usr_GetMyCourses ();
/***** Start form *****/
Act_FormGoToStart (Gbl.Usrs.Me.MyCourses.Num ? ActSeeCrsInf :
ActSysReqSch);
/***** Start of selector of courses *****/
fprintf (Gbl.F.Out,"<select name=\"CrsCod\" style=\"width:%upx;margin:1px;\""
" onchange=\"javascript:document.getElementById('%s').submit();\">",
SelectorWidth[Gbl.Prefs.Layout],Gbl.FormId);
if (Gbl.Usrs.Me.MyCourses.Num)
{
/***** Write an option for each of my courses *****/
for (NumMyCrs = 0, LastDegCod = -1L;
NumMyCrs < Gbl.Usrs.Me.MyCourses.Num;
NumMyCrs++)
{
CrsCod = Gbl.Usrs.Me.MyCourses.Crss[NumMyCrs].CrsCod;
DegCod = Gbl.Usrs.Me.MyCourses.Crss[NumMyCrs].DegCod;
Crs_GetShortNamesByCod (CrsCod,CrsShortName,DegShortName);
if (DegCod != LastDegCod)
{
fprintf (Gbl.F.Out,"<option value=\"-1\" disabled=\"disabled\">--- %s ---</option>",
DegShortName);
LastDegCod = DegCod;
}
fprintf (Gbl.F.Out,"<option value=\"%ld\"",
Gbl.Usrs.Me.MyCourses.Crss[NumMyCrs].CrsCod);
if (Gbl.CurrentCrs.Crs.CrsCod > 0 &&
CrsCod == Gbl.CurrentCrs.Crs.CrsCod)
{
fprintf (Gbl.F.Out," selected=\"selected\"");
IBelongToCurrentCrs = true;
}
fprintf (Gbl.F.Out,">%s</option>",CrsShortName);
}
}
if (Gbl.CurrentCrs.Crs.CrsCod > 0)
{
if (!IBelongToCurrentCrs)
{
/***** Blank option to separate *****/
if (Gbl.Usrs.Me.MyCourses.Num)
fprintf (Gbl.F.Out,"<option value=\"-1\" disabled=\"disabled\">------------</option>");
/***** Write an option with the current course *****/
fprintf (Gbl.F.Out,"<option value=\"%ld\" selected=\"selected\">%s</option>",
Gbl.CurrentCrs.Crs.CrsCod,
Gbl.CurrentCrs.Crs.ShortName);
}
}
else
/***** Write an option with no course selected *****/
fprintf (Gbl.F.Out,"<option value=\"-1\" disabled=\"disabled\" selected=\"selected\">%s</option>",
Txt_No_COURSE_SELECTED);
/***** End form *****/
fprintf (Gbl.F.Out,"</select>"
"</form>");
}
/*****************************************************************************/
/************************* List courses in this degree ***********************/
/*****************************************************************************/
static void Crs_ListCourses (void)
{
extern const char *Txt_No_courses_have_been_created_in_this_degree;
if (Gbl.CurrentDeg.Deg.NumCourses)
Crs_ListCoursesForSeeing ();
else
Lay_ShowAlert (Lay_INFO,Txt_No_courses_have_been_created_in_this_degree);
}
/*****************************************************************************/
/****************** Put forms to edit courses in this degree *****************/
/*****************************************************************************/
static void Crs_EditCourses (void)
{
extern const char *Txt_No_courses_have_been_created_in_this_degree;
/***** Help message *****/
if (!Gbl.CurrentDeg.Deg.NumCourses) // There aren't courses
Lay_ShowAlert (Lay_INFO,Txt_No_courses_have_been_created_in_this_degree);
/***** Put a form to create or request a new course *****/
Crs_PutFormToCreateCourse ();
/***** Forms to edit current courses *****/
if (Gbl.CurrentDeg.Deg.NumCourses)
Crs_ListCoursesForEdition ();
}
/*****************************************************************************/
/********************* List current courses for edition **********************/
/*****************************************************************************/
static void Crs_ListCoursesForSeeing (void)
{
extern const char *The_ClassFormul[The_NUM_THEMES];
extern const char *Txt_Courses;
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_SEMESTER_OF_YEAR[1+2];
extern const char *Txt_Go_to_X;
extern const char *Txt_COURSE_STATUS[Crs_NUM_STATUS_TXT];
struct Course *Crs;
unsigned Year;
unsigned NumCrs;
const char *TxtClass;
const char *BgColor;
Crs_StatusTxt_t StatusTxt;
/***** Write heading *****/
Lay_StartRoundFrameTable10 (NULL,2,Txt_Courses);
Crs_PutHeadCoursesForSeeing ();
/***** List the courses *****/
for (Year = 0;
Year <= Deg_MAX_YEARS_PER_DEGREE;
Year++)
{
for (NumCrs = 0;
NumCrs < Gbl.CurrentDeg.Deg.NumCourses;
NumCrs++)
{
Crs = &(Gbl.CurrentDeg.Deg.LstCrss[NumCrs]);
if (Crs->Year == Year)
{
TxtClass = (Crs->Status & Crs_STATUS_BIT_PENDING) ? "DAT_LIGHT" :
"DAT";
BgColor = (Crs->CrsCod == Gbl.CurrentCrs.Crs.CrsCod) ? VERY_LIGHT_BLUE :
Gbl.ColorRows[Gbl.RowEvenOdd];
/* Put green tip if course has users */
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"center\" bgcolor=\"%s\">"
"<img src=\"%s/%s16x16.gif\""
" alt=\"\" title=\"%s\" class=\"ICON16x16\" />"
"</td>",
BgColor,
Gbl.Prefs.IconsURL,
Crs->NumUsrs ? "ok_green" :
"tr",
Crs->NumUsrs ? Txt_COURSE_With_users :
Txt_COURSE_Without_users);
/* Institutional code of the course */
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"middle\" class=\"%s\" bgcolor=\"%s\">%s</td>",
TxtClass,BgColor,Crs->InstitutionalCrsCod);
/* Course year */
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"middle\" class=\"%s\" bgcolor=\"%s\">%s</td>",
TxtClass,BgColor,Txt_YEAR_OF_DEGREE[Crs->Year]);
/* Course semester */
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"middle\" class=\"%s\" bgcolor=\"%s\">%s</td>",
TxtClass,BgColor,Txt_SEMESTER_OF_YEAR[Crs->Semester]);
/* Course full name */
fprintf (Gbl.F.Out,"<td align=\"left\" valign=\"middle\" class=\"%s\" bgcolor=\"%s\">",
TxtClass,BgColor);
Act_FormGoToStart (ActSeeCrsInf);
Crs_PutParamCrsCod (Crs->CrsCod);
sprintf (Gbl.Title,Txt_Go_to_X,Crs->FullName);
Act_LinkFormSubmit (Gbl.Title,TxtClass);
fprintf (Gbl.F.Out,"%s</a>"
"</form>"
"</td>",
Crs->FullName);
/* Current number of students in this course */
fprintf (Gbl.F.Out,"<td align=\"right\" valign=\"middle\" class=\"%s\" bgcolor=\"%s\">%u</td>",
TxtClass,BgColor,Crs->NumStds);
/* Current number of teachers in this course */
fprintf (Gbl.F.Out,"<td align=\"right\" valign=\"middle\" class=\"%s\" bgcolor=\"%s\">%u</td>",
TxtClass,BgColor,Crs->NumTchs);
/* Course status */
StatusTxt = Crs_GetStatusTxtFromStatusBits (Crs->Status);
fprintf (Gbl.F.Out,"<td align=\"left\" valign=\"middle\" class=\"%s\" bgcolor=\"%s\">%s</td>"
"</tr>",
TxtClass,BgColor,Txt_COURSE_STATUS[StatusTxt]);
}
}
Gbl.RowEvenOdd = 1 - Gbl.RowEvenOdd;
}
/***** Table end *****/
Lay_EndRoundFrameTable10 ();
}
/*****************************************************************************/
/********************* List current courses for edition **********************/
/*****************************************************************************/
static void Crs_ListCoursesForEdition (void)
{
extern const char *Txt_Courses;
extern const char *Txt_Remove_course;
extern const char *Txt_YEAR_OF_DEGREE[1+Deg_MAX_YEARS_PER_DEGREE];
extern const char *Txt_SEMESTER_OF_YEAR[1+2];
extern const char *Txt_COURSE_STATUS[Crs_NUM_STATUS_TXT];
struct Course *Crs;
unsigned Year;
unsigned YearAux;
unsigned Semester;
unsigned NumDeg;
unsigned NumCrs;
struct UsrData UsrDat;
bool ICanEdit;
Crs_StatusTxt_t StatusTxt;
/***** Initialize structure with user's data *****/
Usr_UsrDataConstructor (&UsrDat);
/***** Write heading *****/
Lay_StartRoundFrameTable10 (NULL,2,Txt_Courses);
Crs_PutHeadCoursesForEdition ();
/***** List the courses *****/
for (Year = 0;
Year <= Deg_MAX_YEARS_PER_DEGREE;
Year++)
for (NumCrs = 0;
NumCrs < Gbl.CurrentDeg.Deg.NumCourses;
NumCrs++)
{
Crs = &(Gbl.CurrentDeg.Deg.LstCrss[NumCrs]);
if (Crs->Year == Year)
{
ICanEdit = Crs_CheckIfICanEdit (Crs);
/* Put icon to remove course */
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"BM\">");
if (Crs->NumUsrs || // Course has users ==> deletion forbidden
!ICanEdit)
fprintf (Gbl.F.Out,"<img src=\"%s/deloff16x16.gif\""
" alt=\"\" class=\"ICON16x16\" />",
Gbl.Prefs.IconsURL);
else // Crs->NumUsrs == 0 && ICanEdit
{
Act_FormStart (ActRemCrs);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
fprintf (Gbl.F.Out,"<input type=\"image\" src=\"%s/delon16x16.gif\""
" alt=\"%s\" title=\"%s\" class=\"ICON16x16\" />"
"</form>",
Gbl.Prefs.IconsURL,
Txt_Remove_course,
Txt_Remove_course);
}
fprintf (Gbl.F.Out,"</td>");
/* Course code */
fprintf (Gbl.F.Out,"<td align=\"right\" valign=\"middle\" class=\"DAT\">%ld</td>",
Crs->CrsCod);
/* Institutional code of the course */
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"middle\" class=\"DAT\">");
if (ICanEdit)
{
Act_FormStart (ActChgInsCrsCod);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
fprintf (Gbl.F.Out,"<input type=\"text\" name=\"InsCrsCod\" size=\"%u\" maxlength=\"%u\" value=\"%s\""
" onchange=\"javascript:document.getElementById('%s').submit();\" />"
"</form>",
Crs_LENGTH_INSTITUTIONAL_CRS_COD,
Crs_LENGTH_INSTITUTIONAL_CRS_COD,
Crs->InstitutionalCrsCod,
Gbl.FormId);
}
else
fprintf (Gbl.F.Out,"%s",Crs->InstitutionalCrsCod);
fprintf (Gbl.F.Out,"</td>");
/* Degree */
fprintf (Gbl.F.Out,"<td align=\"left\" valign=\"middle\" class=\"DAT\">");
if (Gbl.Usrs.Me.LoggedRole >= Rol_ROLE_DEG_ADMIN)
{
Act_FormStart (ActChgCrsDeg);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
fprintf (Gbl.F.Out,"<select name=\"OthDegCod\" style=\"width:80px;\""
" onchange=\"javascript:document.getElementById('%s').submit();\">",
Gbl.FormId);
for (NumDeg = 0;
NumDeg < Gbl.Usrs.Me.MyAdminDegs.Num;
NumDeg++)
fprintf (Gbl.F.Out,"<option value=\"%ld\"%s>%s</option>",
Gbl.Usrs.Me.MyAdminDegs.Lst[NumDeg].DegCod,
Gbl.Usrs.Me.MyAdminDegs.Lst[NumDeg].DegCod == Gbl.CurrentDeg.Deg.DegCod ? " selected=\"selected\"" :
"",
Gbl.Usrs.Me.MyAdminDegs.Lst[NumDeg].ShortName);
fprintf (Gbl.F.Out,"</select>"
"</form>");
}
else
fprintf (Gbl.F.Out,"%s",Gbl.CurrentDeg.Deg.ShortName);
fprintf (Gbl.F.Out,"</td>");
/* Course year */
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"middle\" class=\"DAT\">");
if (ICanEdit)
{
Act_FormStart (ActChgCrsYea);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
fprintf (Gbl.F.Out,"<select name=\"OthCrsYear\" style=\"width:40px;\""
" onchange=\"javascript:document.getElementById('%s').submit();\">",
Gbl.FormId);
for (YearAux = 0;
YearAux <= Deg_MAX_YEARS_PER_DEGREE;
YearAux++) // All the years are permitted because it's possible to move this course to another degree (with other active years)
fprintf (Gbl.F.Out,"<option value=\"%u\"%s>%s</option>",
YearAux,
YearAux == Crs->Year ? " selected=\"selected\"" :
"",
Txt_YEAR_OF_DEGREE[YearAux]);
fprintf (Gbl.F.Out,"</select></form>");
}
else
fprintf (Gbl.F.Out,"%s",Txt_YEAR_OF_DEGREE[Crs->Year]);
fprintf (Gbl.F.Out,"</td>");
/* Course semester */
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"middle\" class=\"DAT\">");
if (ICanEdit)
{
Act_FormStart (ActChgCrsSem);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
fprintf (Gbl.F.Out,"<select name=\"OthCrsSem\""
" onchange=\"javascript:document.getElementById('%s').submit();\">",
Gbl.FormId);
for (Semester = 0;
Semester <= 2;
Semester++)
{
fprintf (Gbl.F.Out,"<option value=\"%u\"",Semester);
if (Semester == Crs->Semester)
fprintf (Gbl.F.Out," selected=\"selected\"");
fprintf (Gbl.F.Out,">%s</option>",
Txt_SEMESTER_OF_YEAR[Semester]);
}
fprintf (Gbl.F.Out,"</select></form>");
}
else
fprintf (Gbl.F.Out,"%s",Txt_SEMESTER_OF_YEAR[Crs->Semester]);
fprintf (Gbl.F.Out,"</td>");
/* Course short name */
fprintf (Gbl.F.Out,"<td align=\"left\" valign=\"middle\" class=\"DAT\">");
if (ICanEdit)
{
Act_FormStart (ActRenCrsSho);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
fprintf (Gbl.F.Out,"<input type=\"text\" name=\"ShortName\" size=\"10\" maxlength=\"%u\" value=\"%s\""
" onchange=\"javascript:document.getElementById('%s').submit();\" />"
"</form>",
Crs_MAX_LENGTH_COURSE_SHORT_NAME,Crs->ShortName,
Gbl.FormId);
}
else
fprintf (Gbl.F.Out,"%s",Crs->ShortName);
fprintf (Gbl.F.Out,"</td>");
/* Course full name */
fprintf (Gbl.F.Out,"<td align=\"left\" valign=\"middle\" class=\"DAT\">");
if (ICanEdit)
{
Act_FormStart (ActRenCrsFul);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
fprintf (Gbl.F.Out,"<input type=\"text\" name=\"FullName\" size=\"20\" maxlength=\"%u\" value=\"%s\""
" onchange=\"javascript:document.getElementById('%s').submit();\" />"
"</form>",
Crs_MAX_LENGTH_COURSE_FULL_NAME,Crs->FullName,
Gbl.FormId);
}
else
fprintf (Gbl.F.Out,"%s",Crs->FullName);
fprintf (Gbl.F.Out,"</td>");
/* Current number of students in this course */
fprintf (Gbl.F.Out,"<td align=\"right\" valign=\"middle\" class=\"DAT\">%u</td>",
Crs->NumStds);
/* Current number of teachers in this course */
fprintf (Gbl.F.Out,"<td align=\"right\" valign=\"middle\" class=\"DAT\">%u</td>",
Crs->NumTchs);
/* Course status */
StatusTxt = Crs_GetStatusTxtFromStatusBits (Crs->Status);
fprintf (Gbl.F.Out,"<td align=\"left\" valign=\"middle\" class=\"DAT\">");
if (Gbl.Usrs.Me.LoggedRole >= Rol_ROLE_DEG_ADMIN &&
StatusTxt == Crs_STATUS_PENDING)
{
Act_FormStart (ActChgCrsSta);
Crs_PutParamOtherCrsCod (Crs->CrsCod);
fprintf (Gbl.F.Out,"<select name=\"Status\" style=\"width:80px;\""
" onchange=\"javascript:document.getElementById('%s').submit();\">"
"<option value=\"%u\" selected=\"selected\">%s</option>"
"<option value=\"%u\">%s</option>"
"</select>"
"</form>",
Gbl.FormId,
(unsigned) Crs_GetStatusBitsFromStatusTxt (Crs_STATUS_PENDING),
Txt_COURSE_STATUS[Crs_STATUS_PENDING],
(unsigned) Crs_GetStatusBitsFromStatusTxt (Crs_STATUS_ACTIVE),
Txt_COURSE_STATUS[Crs_STATUS_ACTIVE]);
}
else
fprintf (Gbl.F.Out,"%s",Txt_COURSE_STATUS[StatusTxt]);
fprintf (Gbl.F.Out,"</td>");
/* Course requester */
UsrDat.UsrCod = Crs->RequesterUsrCod;
Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&UsrDat);
fprintf (Gbl.F.Out,"<td align=\"left\" width=\"100\" valign=\"top\">"
"<table width=\"100\" cellspacing=\"0\" cellpadding=\"2\">"
"<tr>");
Msg_WriteMsgAuthor (&UsrDat,80,10,"DAT",true,NULL);
fprintf (Gbl.F.Out,"</tr>"
"</table>"
"</td>"
"</tr>");
}
}
/***** End table *****/
Lay_EndRoundFrameTable10 ();
/***** Free memory used for user's data *****/
Usr_UsrDataDestructor (&UsrDat);
}
/*****************************************************************************/
/************** Check if I can edit, remove, etc. a course *******************/
/*****************************************************************************/
static bool Crs_CheckIfICanEdit (struct Course *Crs)
{
return (bool) (Gbl.Usrs.Me.LoggedRole >= Rol_ROLE_DEG_ADMIN || // 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_SEMESTER_OF_YEAR[1+2];
extern const char *Txt_COURSE_STATUS[Crs_NUM_STATUS_TXT];
extern const char *Txt_Create_course;
struct Course *Crs;
unsigned Year;
unsigned Semester;
/***** Start form *****/
if (Gbl.Usrs.Me.LoggedRole >= Rol_ROLE_DEG_ADMIN)
Act_FormStart (ActNewCrs);
else if (Gbl.Usrs.Me.MaxRole >= Rol_ROLE_GUEST)
Act_FormStart (ActReqCrs);
else
Lay_ShowErrorAndExit ("You can not edit courses.");
/***** Course data *****/
Crs = &Gbl.Degs.EditingCrs;
/***** Write heading *****/
Lay_StartRoundFrameTable10 (NULL,2,Txt_New_course);
Crs_PutHeadCoursesForEdition ();
/***** Disabled icon to remove course *****/
fprintf (Gbl.F.Out,"<tr>"
"<td class=\"BM\">"
"<img src=\"%s/deloff16x16.gif\""
" alt=\"\" class=\"ICON16x16\" />"
"</td>",
Gbl.Prefs.IconsURL);
/***** Course code *****/
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"middle\" class=\"DAT\"></td>");
/***** Institutional code of the course *****/
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"middle\">"
"<input type=\"text\" name=\"InsCrsCod\" size=\%u\" maxlength=\"%u\" value=\"%s\" />"
"</td>",
Crs_LENGTH_INSTITUTIONAL_CRS_COD,
Crs_LENGTH_INSTITUTIONAL_CRS_COD,
Crs->InstitutionalCrsCod);
/***** Degree *****/
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"middle\">"
"<select name=\"OthDegCod\" style=\"width:80px;\" disabled=\"disabled\">"
"<option value=\"%ld\">%s</option>"
"</select>"
"</td>",
Gbl.CurrentDeg.Deg.DegCod,
Gbl.CurrentDeg.Deg.ShortName);
/***** Year *****/
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"middle\">"
"<select name=\"OthCrsYear\" style=\"width:40px;\">");
for (Year = 0;
Year <= Gbl.CurrentDeg.Deg.LastYear;
Year++)
if (Deg_CheckIfYearIsValidInDeg (Year,&Gbl.CurrentDeg.Deg))
fprintf (Gbl.F.Out,"<option value=\"%u\"%s>%s</option>",
Year,
Year == Crs->Year ? " selected=\"selected\"" :
"",
Txt_YEAR_OF_DEGREE[Year]);
fprintf (Gbl.F.Out,"</select>"
"</td>");
/***** Semester *****/
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"middle\">"
"<select name=\"OthCrsSem\">");
for (Semester = 0;
Semester <= 2;
Semester++)
fprintf (Gbl.F.Out,"<option value=\"%u\"%s>%s</option>",
Semester,
Semester == Crs->Semester ? " selected=\"selected\"" :
"",
Txt_SEMESTER_OF_YEAR[Semester]);
fprintf (Gbl.F.Out,"</select>"
"</td>");
/***** Course short name *****/
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"middle\">"
"<input type=\"text\" name=\"ShortName\" size=\"10\" maxlength=\"%u\" value=\"%s\" />"
"</td>",
Crs_MAX_LENGTH_COURSE_SHORT_NAME,Crs->ShortName);
/***** Course full name *****/
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"middle\">"
"<input type=\"text\" name=\"FullName\" size=\"20\" maxlength=\"%u\" value=\"%s\" />"
"</td>",
Crs_MAX_LENGTH_COURSE_FULL_NAME,Crs->FullName);
/***** Current number of students in this course *****/
fprintf (Gbl.F.Out,"<td align=\"right\" valign=\"middle\" class=\"DAT\">0</td>");
/***** Current number of teachers in this course *****/
fprintf (Gbl.F.Out,"<td align=\"right\" valign=\"middle\" class=\"DAT\">0</td>");
/***** Course status *****/
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"middle\" class=\"DAT\">%s</td>",
Txt_COURSE_STATUS[Crs_STATUS_PENDING]);
/***** Course requester *****/
fprintf (Gbl.F.Out,"<td align=\"left\" width=\"100\" valign=\"top\">"
"<table width=\"100\" cellspacing=\"0\" cellpadding=\"2\">"
"<tr>");
Msg_WriteMsgAuthor (&Gbl.Usrs.Me.UsrDat,80,10,"DAT",true,NULL);
fprintf (Gbl.F.Out,"</tr>"
"</table>"
"</td>"
"</tr>");
/***** Send button *****/
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"center\" colspan=\"12\">"
"<input type=\"submit\" value=\"%s\" />"
"</td>"
"</tr>",
Txt_Create_course);
/***** End of frame *****/
Lay_EndRoundFrameTable10 ();
/***** End of form *****/
fprintf (Gbl.F.Out,"</form>");
}
/*****************************************************************************/
/******************** 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_Semester_ABBREVIATION;
extern const char *Txt_Course;
extern const char *Txt_Students_ABBREVIATION;
extern const char *Txt_Teachers_ABBREVIATION;
extern const char *Txt_Status;
fprintf (Gbl.F.Out,"<tr>"
"<th class=\"BM\"></th>"
"<th align=\"center\" class=\"TIT_TBL\">%s</th>"
"<th align=\"center\" class=\"TIT_TBL\">%s</th>"
"<th align=\"center\" class=\"TIT_TBL\">%s</th>"
"<th align=\"left\" class=\"TIT_TBL\">%s</th>"
"<th align=\"right\" class=\"TIT_TBL\">%s</th>"
"<th align=\"right\" class=\"TIT_TBL\">%s</th>"
"<th align=\"left\" class=\"TIT_TBL\">%s</th>"
"</tr>",
Txt_Institutional_BR_code,
Txt_Year_OF_A_DEGREE,
Txt_Semester_ABBREVIATION,
Txt_Course,
Txt_Students_ABBREVIATION,
Txt_Teachers_ABBREVIATION,
Txt_Status);
}
/*****************************************************************************/
/******************** Write header with fields of a course *******************/
/*****************************************************************************/
static void Crs_PutHeadCoursesForEdition (void)
{
extern const char *Txt_Code;
extern const char *Txt_Institutional_BR_code;
extern const char *Txt_Degree;
extern const char *Txt_Year_OF_A_DEGREE;
extern const char *Txt_Semester_ABBREVIATION;
extern const char *Txt_Short_Name;
extern const char *Txt_Full_Name;
extern const char *Txt_Students_ABBREVIATION;
extern const char *Txt_Teachers_ABBREVIATION;
extern const char *Txt_Status;
extern const char *Txt_Requester;
fprintf (Gbl.F.Out,"<tr>"
"<th class=\"BM\"></th>"
"<th align=\"right\" class=\"TIT_TBL\">%s</th>"
"<th align=\"center\" class=\"TIT_TBL\">%s</th>"
"<th align=\"left\" class=\"TIT_TBL\">%s</th>"
"<th align=\"center\" class=\"TIT_TBL\">%s</th>"
"<th align=\"center\" class=\"TIT_TBL\">%s</th>"
"<th align=\"left\" class=\"TIT_TBL\">%s</th>"
"<th align=\"left\" class=\"TIT_TBL\">%s</th>"
"<th align=\"right\" class=\"TIT_TBL\">%s</th>"
"<th align=\"right\" class=\"TIT_TBL\">%s</th>"
"<th align=\"left\" class=\"TIT_TBL\">%s</th>"
"<th align=\"left\" class=\"TIT_TBL\">%s</th>"
"</tr>",
Txt_Code,
Txt_Institutional_BR_code,
Txt_Degree,
Txt_Year_OF_A_DEGREE,
Txt_Semester_ABBREVIATION,
Txt_Short_Name,
Txt_Full_Name,
Txt_Students_ABBREVIATION,
Txt_Teachers_ABBREVIATION,
Txt_Status,
Txt_Requester);
}
/*****************************************************************************/
/****************** Receive form to request a new course *********************/
/*****************************************************************************/
void Crs_RecFormReqCrs (void)
{
Crs_RecFormRequestOrCreateCrs ((unsigned) Crs_STATUS_BIT_PENDING);
}
/*****************************************************************************/
/******************* Receive form to create a new course *********************/
/*****************************************************************************/
void Crs_RecFormNewCrs (void)
{
Crs_RecFormRequestOrCreateCrs (0);
}
/*****************************************************************************/
/************* Receive form to request or create a new course ****************/
/*****************************************************************************/
static void Crs_RecFormRequestOrCreateCrs (unsigned Status)
{
extern const char *Txt_The_course_X_already_exists;
extern const char *Txt_You_must_specify_the_short_name_and_the_full_name_of_the_new_course;
extern const char *Txt_The_year_X_is_not_enabled_on_the_degree_Y;
extern const char *Txt_YEAR_OF_DEGREE[1+Deg_MAX_YEARS_PER_DEGREE];
struct Course *Crs;
struct Degree Deg;
Crs = &Gbl.Degs.EditingCrs;
/***** Get parameters from form *****/
/* Set course degree */
Deg.DegCod = Crs->DegCod = Gbl.CurrentDeg.Deg.DegCod;
/* Get parameters of the new course */
Crs_GetParamsNewCourse (Crs);
/***** Check if year is correct *****/
Deg_GetDataOfDegreeByCod (&Deg);
if (Deg_CheckIfYearIsValidInDeg (Crs->Year,&Deg)) // If year is valid
{
if (Crs->ShortName[0] &&
Crs->FullName[0]) // If there's a course name
{
/***** If name of course was in database... *****/
if (Crs_CheckIfCourseNameExistsInCourses (Crs->DegCod,Crs->Year,"ShortName",Crs->ShortName,-1L))
{
sprintf (Gbl.Message,Txt_The_course_X_already_exists,
Crs->ShortName);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
else if (Crs_CheckIfCourseNameExistsInCourses (Crs->DegCod,Crs->Year,"FullName",Crs->FullName,-1L))
{
sprintf (Gbl.Message,Txt_The_course_X_already_exists,
Crs->FullName);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
else // Add new requested course to database
Crs_CreateCourse (Crs,Status);
}
else // If there is not a course name
{
sprintf (Gbl.Message,"%s",Txt_You_must_specify_the_short_name_and_the_full_name_of_the_new_course);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
}
else // Year not valid
{
sprintf (Gbl.Message,Txt_The_year_X_is_not_enabled_on_the_degree_Y,
Txt_YEAR_OF_DEGREE[Crs->Year],Deg.FullName);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/************** Get the parameters of a new course from form *****************/
/*****************************************************************************/
static void Crs_GetParamsNewCourse (struct Course *Crs)
{
char YearStr[2+1];
char SemesterStr[1+1];
/***** Get parameters of the course from form *****/
/* Get institutional code */
Par_GetParToText ("InsCrsCod",Crs->InstitutionalCrsCod,Crs_LENGTH_INSTITUTIONAL_CRS_COD);
/* Get year */
Par_GetParToText ("OthCrsYear",YearStr,2);
Crs->Year = Deg_ConvStrToYear (YearStr);
/* Get semester */
Par_GetParToText ("OthCrsSem",SemesterStr,1);
Crs->Semester = Deg_ConvStrToSemester (SemesterStr);
/* Get course short name */
Par_GetParToText ("ShortName",Crs->ShortName,Crs_MAX_LENGTH_COURSE_SHORT_NAME);
/* Get course full name */
Par_GetParToText ("FullName",Crs->FullName,Crs_MAX_LENGTH_COURSE_FULL_NAME);
}
/*****************************************************************************/
/********** Check if the name of course exists in existing courses ***********/
/*****************************************************************************/
static bool Crs_CheckIfCourseNameExistsInCourses (long DegCod,unsigned Year,const char *FieldName,const char *Name,long CrsCod)
{
char Query[512];
/***** Get number of courses in a year of a degree and with a name from database *****/
sprintf (Query,"SELECT COUNT(*) FROM courses"
" WHERE DegCod='%ld' AND Year='%u'"
" AND %s='%s' AND CrsCod<>'%ld'",
DegCod,Year,FieldName,Name,CrsCod);
return (DB_QueryCOUNT (Query,"can not check if the name of a course already existed") != 0);
}
/*****************************************************************************/
/************* Add a new requested course to pending requests ****************/
/*****************************************************************************/
static void Crs_CreateCourse (struct Course *Crs,unsigned Status)
{
extern const char *Txt_Created_new_course_X;
char Query[2048];
/***** Insert new course into pending requests *****/
sprintf (Query,"INSERT INTO courses (DegCod,Year,Semester,InsCrsCod,"
"AllowDirectLogIn,Status,RequesterUsrCod,ShortName,FullName)"
" VALUES ('%ld','%u','%u','%s','N','%u','%ld','%s','%s')",
Crs->DegCod,Crs->Year,Crs->Semester,
Crs->InstitutionalCrsCod,
Status,
Gbl.Usrs.Me.UsrDat.UsrCod,
Crs->ShortName,Crs->FullName);
Crs->CrsCod = DB_QueryINSERTandReturnCode (Query,"can not create a new course");
/***** Write success message *****/
sprintf (Gbl.Message,Txt_Created_new_course_X,
Crs->FullName);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Put link to go to course created *****/
Crs_PutLinkToGoToCrs (Crs);
}
/*****************************************************************************/
/************************ Request removing of a course ***********************/
/*****************************************************************************/
void Crs_RemoveCourse (void)
{
extern const char *Txt_To_remove_a_course_you_must_first_remove_all_users_in_the_course;
extern const char *Txt_Course_X_removed;
extern const char *Txt_You_dont_have_permission_to_edit_this_course;
struct Course Crs;
/***** Get course code *****/
if ((Crs.CrsCod = Crs_GetParamOtherCrsCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of course is missing.");
/***** Get data of the course from database *****/
Crs_GetDataOfCourseByCod (&Crs);
if (Crs_CheckIfICanEdit (&Crs))
{
/***** Check if this course has users *****/
if (Crs.NumUsrs) // Course has users ==> don't remove
Lay_ShowAlert (Lay_WARNING,Txt_To_remove_a_course_you_must_first_remove_all_users_in_the_course);
else // Course has no users ==> remove it
{
/***** Remove course *****/
Crs_RemoveCourseCompletely (Crs.CrsCod);
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_Course_X_removed,
Crs.FullName);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
}
}
else
Lay_ShowAlert (Lay_WARNING, Txt_You_dont_have_permission_to_edit_this_course);
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/********************* Get data of a course from its code ********************/
/*****************************************************************************/
bool Crs_GetDataOfCourseByCod (struct Course *Crs)
{
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRows;
bool CrsFound = false;
if (Crs->CrsCod < 0)
{
Crs->CrsCod = -1L;
Crs->DegCod = -1L;
Crs->Year = 0;
Crs->Semester = 0;
Crs->AllowDirectLogIn = false;
Crs->Status = (Crs_Status_t) 0;
Crs->RequesterUsrCod = -1L;
Crs->ShortName[0] = '\0';
Crs->FullName[0] = '\0';
Crs->NumStds = 0;
Crs->NumTchs = 0;
Crs->NumUsrs = 0;
return false;
}
/***** Get data of a course from database *****/
sprintf (Query,"SELECT CrsCod,DegCod,Year,Semester,InsCrsCod,AllowDirectLogIn,Status,RequesterUsrCod,ShortName,FullName"
" FROM courses WHERE CrsCod='%ld'",
Crs->CrsCod);
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get data of a course");
if (NumRows == 1) // Course found
{
/***** Get data of the course *****/
row = mysql_fetch_row (mysql_res);
Crs_GetDataOfCourseFromRow (Crs,row);
CrsFound = true;
}
else if (NumRows == 0) // Course not found
{
Crs->CrsCod = -1L;
Crs->DegCod = -1L;
Crs->Year = 0;
Crs->Semester = 0;
Crs->AllowDirectLogIn = false;
Crs->Status = (Crs_Status_t) 0;
Crs->RequesterUsrCod = -1L;
Crs->ShortName[0] = '\0';
Crs->FullName[0] = '\0';
Crs->NumStds = 0;
Crs->NumTchs = 0;
Crs->NumUsrs = 0;
}
else if (NumRows > 1) // Course duplicated
Lay_ShowErrorAndExit ("Course is repeated in database.");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return CrsFound;
}
/*****************************************************************************/
/********** Get data of a course from a row resulting of a query *************/
/*****************************************************************************/
static void Crs_GetDataOfCourseFromRow (struct Course *Crs,MYSQL_ROW row)
{
/***** Get course code (row[0]) *****/
if ((Crs->CrsCod = Str_ConvertStrCodToLongCod (row[0])) < 0)
Lay_ShowErrorAndExit ("Wrong code of course.");
/***** Get code of degree (row[1]) *****/
Crs->DegCod = Str_ConvertStrCodToLongCod (row[1]);
/***** Get year (row[2]) *****/
Crs->Year = Deg_ConvStrToYear (row[2]);
/***** Get semester (row[3]) *****/
Crs->Semester = Deg_ConvStrToSemester (row[3]);
/***** Get institutional course code (row[4]) *****/
strncpy (Crs->InstitutionalCrsCod,row[4],Crs_LENGTH_INSTITUTIONAL_CRS_COD);
Crs->InstitutionalCrsCod[Crs_LENGTH_INSTITUTIONAL_CRS_COD] = '\0';
/***** Get whether this course allows direct log in or not (row[5]) *****/
Crs->AllowDirectLogIn = (Str_ConvertToUpperLetter (row[5][0]) == 'Y');
/***** Get course status (row[6]) *****/
if (sscanf (row[6],"%u",&(Crs->Status)) != 1)
Lay_ShowErrorAndExit ("Wrong course status.");
/***** Get requester user'code (row[7]) *****/
Crs->RequesterUsrCod = Str_ConvertStrCodToLongCod (row[7]);
/***** Get the short name of the course (row[8]) *****/
strncpy (Crs->ShortName,row[8],Crs_MAX_LENGTH_COURSE_SHORT_NAME);
Crs->ShortName[Crs_MAX_LENGTH_COURSE_SHORT_NAME] = '\0';
/***** Get the full name of the course (row[9]) *****/
strncpy (Crs->FullName,row[9],Crs_MAX_LENGTH_COURSE_FULL_NAME);
Crs->FullName[Crs_MAX_LENGTH_COURSE_FULL_NAME] = '\0';
/***** Get number of students *****/
Crs->NumStds = Usr_GetNumUsrsInCrs (Rol_ROLE_STUDENT,Crs->CrsCod);
/***** Get number of teachers *****/
Crs->NumTchs = Usr_GetNumUsrsInCrs (Rol_ROLE_TEACHER,Crs->CrsCod);
Crs->NumUsrs = Crs->NumStds + Crs->NumTchs;
}
/*****************************************************************************/
/******* Get the short names of degree and course from a course code *********/
/*****************************************************************************/
void Crs_GetShortNamesByCod (long CrsCod,char *CrsShortName,char *DegShortName)
{
char Query[512];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
DegShortName[0] = CrsShortName[0] = '\0';
if (CrsCod > 0)
{
/***** Get the short name of a degree from database *****/
sprintf (Query,"SELECT courses.ShortName,degrees.ShortName"
" FROM courses,degrees"
" WHERE courses.CrsCod='%ld'"
" AND courses.DegCod=degrees.DegCod",
CrsCod);
if (DB_QuerySELECT (Query,&mysql_res,"can not get the short name of a course") == 1)
{
/***** Get the short name of this course *****/
row = mysql_fetch_row (mysql_res);
strcpy (CrsShortName,row[0]);
strcpy (DegShortName,row[1]);
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
}
/*****************************************************************************/
/****************************** Remove a course ******************************/
/*****************************************************************************/
void Crs_RemoveCourseCompletely (long CrsCod)
{
char Query[128];
/***** Empty course *****/
Crs_EmptyCourseCompletely (CrsCod);
/***** Remove course from table of last accesses to courses in database *****/
sprintf (Query,"DELETE FROM crs_last WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove a course");
/***** Remove course from table of courses in database *****/
sprintf (Query,"DELETE FROM courses WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove a course");
}
/*****************************************************************************/
/********** Empty a course (remove all its information and users) ************/
/*****************************************************************************/
// Start removing less important things to more important things;
// so, in case of failure, important things can been removed in the future
static void Crs_EmptyCourseCompletely (long CrsCod)
{
struct Course Crs;
char PathRelCrs[PATH_MAX+1];
char Query[512];
/***** Get course data *****/
Crs.CrsCod = CrsCod;
Crs_GetDataOfCourseByCod (&Crs);
/***** Remove all the students in the course *****/
Usr_RemAllStdsInCrs (&Crs);
/***** Set all the notifications from the course as removed,
except notifications about new messages *****/
Ntf_SetNotifInCrsAsRemoved (CrsCod,-1L);
/***** Remove information of the course ****/
/* Remove timetable of the course */
sprintf (Query,"DELETE FROM timetable_crs WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove the timetable of a course");
/* Remove other information of the course */
sprintf (Query,"DELETE FROM crs_info_src WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove info sources of a course");
sprintf (Query,"DELETE FROM crs_info_txt WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove info of a course");
/***** Remove all test exams made in course *****/
Tst_RemoveAllExamsMadeInCrs (CrsCod);
/***** Remove exam announcements in the course *****/
/* Mark all exam announcements in the course as deleted */
sprintf (Query,"UPDATE exam_announcements SET Status='%u' WHERE CrsCod='%ld'",
(unsigned) Exa_DELETED_EXAM_ANNOUNCEMENT,CrsCod);
DB_QueryUPDATE (Query,"can not remove exam announcements of a course");
/***** Remove course cards of the course *****/
/* Remove content of course cards */
sprintf (Query,"DELETE FROM crs_records USING crs_record_fields,crs_records"
" WHERE crs_record_fields.CrsCod='%ld' AND crs_record_fields.FieldCod=crs_records.FieldCod",CrsCod);
DB_QueryDELETE (Query,"can not remove content of cards in a course");
/* Remove definition of fields in course cards */
sprintf (Query,"DELETE FROM crs_record_fields WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove fields of cards in a course");
/***** Remove assignments of the course *****/
Asg_RemoveCrsAssignments (CrsCod);
/***** Remove attendance events of the course *****/
Att_RemoveCrsAttEvents (CrsCod);
/***** Remove surveys of the course *****/
Svy_RemoveCrsSurveys (CrsCod);
/***** Remove notices in the course *****/
/* Copy all notices from the course to table of deleted notices */
sprintf (Query,"INSERT INTO notices_deleted (NotCod,CrsCod,UsrCod,CreatTime,Content,NumNotif)"
" SELECT NotCod,CrsCod,UsrCod,CreatTime,Content,NumNotif FROM notices"
" WHERE CrsCod='%ld'",CrsCod);
DB_QueryINSERT (Query,"can not remove notices in a course");
/* Remove all notices from the course */
sprintf (Query,"DELETE FROM notices WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove notices in a course");
/***** Remove all the threads and posts in course forums *****/
/* Remove disabled posts */
sprintf (Query,"DELETE FROM forum_disabled_post USING forum_thread,forum_post,forum_disabled_post"
" WHERE (forum_thread.ForumType='%u' OR forum_thread.ForumType='%u') AND forum_thread.Location='%ld' AND forum_thread.ThrCod=forum_post.ThrCod AND forum_post.PstCod=forum_disabled_post.PstCod",
For_FORUM_COURSE_USRS,For_FORUM_COURSE_TCHS,CrsCod);
DB_QueryDELETE (Query,"can not remove disabled posts in forums of a course");
/* Remove posts */
sprintf (Query,"DELETE FROM forum_post USING forum_thread,forum_post"
" WHERE (forum_thread.ForumType='%u' OR forum_thread.ForumType='%u') AND forum_thread.Location='%ld' AND forum_thread.ThrCod=forum_post.ThrCod",
For_FORUM_COURSE_USRS,For_FORUM_COURSE_TCHS,CrsCod);
DB_QueryDELETE (Query,"can not remove posts in forums of a course");
/* Remove threads read */
sprintf (Query,"DELETE FROM forum_thr_read USING forum_thread,forum_thr_read"
" WHERE (forum_thread.ForumType='%u' OR forum_thread.ForumType='%u') AND forum_thread.Location='%ld' AND forum_thread.ThrCod=forum_thr_read.ThrCod",
For_FORUM_COURSE_USRS,For_FORUM_COURSE_TCHS,CrsCod);
DB_QueryDELETE (Query,"can not remove read threads in forums of a course");
/* Remove threads */
sprintf (Query,"DELETE FROM forum_thread"
" WHERE (forum_thread.ForumType='%u' OR forum_thread.ForumType='%u') AND Location='%ld'",
For_FORUM_COURSE_USRS,For_FORUM_COURSE_TCHS,CrsCod);
DB_QueryDELETE (Query,"can not remove threads in forums of a course");
/***** Remove tests in the course *****/
/* Remove tests status in the course */
sprintf (Query,"DELETE FROM tst_status WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove status of tests of a course");
/* Remove test configuration of the course */
sprintf (Query,"DELETE FROM tst_config WHERE CrsCod='%ld'",
CrsCod);
DB_QueryDELETE (Query,"can not remove configuration of tests of a course");
/* Remove associations between test questions and test tags in the course */
sprintf (Query,"DELETE FROM tst_question_tags USING tst_questions,tst_question_tags"
" WHERE tst_questions.CrsCod='%ld'"
" AND tst_questions.QstCod=tst_question_tags.QstCod",
CrsCod);
DB_QueryDELETE (Query,"can not remove tags associated to questions of tests of a course");
/* Remove test tags in the course */
sprintf (Query,"DELETE FROM tst_tags WHERE CrsCod='%ld'",
CrsCod);
DB_QueryDELETE (Query,"can not remove tags of test of a course");
/* Remove test answers in the course */
sprintf (Query,"DELETE FROM tst_answers USING tst_questions,tst_answers"
" WHERE tst_questions.CrsCod='%ld'"
" AND tst_questions.QstCod=tst_answers.QstCod",
CrsCod);
DB_QueryDELETE (Query,"can not remove answers of tests of a course");
/* Remove test questions in the course */
sprintf (Query,"DELETE FROM tst_questions WHERE CrsCod='%ld'",
CrsCod);
DB_QueryDELETE (Query,"can not remove test questions of a course");
/***** Remove groups in the course *****/
/* Remove all the users in groups in the course */
sprintf (Query,"DELETE FROM crs_grp_usr"
" USING crs_grp_types,crs_grp,crs_grp_usr"
" WHERE crs_grp_types.CrsCod='%ld'"
" AND crs_grp_types.GrpTypCod=crs_grp.GrpTypCod"
" AND crs_grp.GrpCod=crs_grp_usr.GrpCod",
CrsCod);
DB_QueryDELETE (Query,"can not remove users from groups of a course");
/* Remove all the groups in the course */
sprintf (Query,"DELETE FROM crs_grp"
" USING crs_grp_types,crs_grp"
" WHERE crs_grp_types.CrsCod='%ld'"
" AND crs_grp_types.GrpTypCod=crs_grp.GrpTypCod",
CrsCod);
DB_QueryDELETE (Query,"can not remove groups of a course");
/* Remove all the group types in the course */
sprintf (Query,"DELETE FROM crs_grp_types"
" WHERE CrsCod='%ld'",
CrsCod);
DB_QueryDELETE (Query,"can not remove types of group of a course");
/***** Remove users' requests for inscription in the course *****/
sprintf (Query,"DELETE FROM crs_usr_requests WHERE CrsCod='%ld'",
CrsCod);
DB_QueryDELETE (Query,"can not remove requests for inscription to a course");
/***** Remove possible users remaining in the course (teachers) *****/
sprintf (Query,"DELETE FROM crs_usr WHERE CrsCod='%ld'",
CrsCod);
DB_QueryDELETE (Query,"can not remove users from a course");
/***** Remove information related to files in course *****/
/* Remove clipboards related to the course */
sprintf (Query,"DELETE FROM clipboard WHERE CrsCod='%ld'",
CrsCod);
DB_QueryDELETE (Query,"can not remove clipboards in a course");
/* Remove expanded folders in the course */
sprintf (Query,"DELETE FROM expanded_folders WHERE CrsCod='%ld'",
CrsCod);
DB_QueryDELETE (Query,"can not remove expanded folders in a course");
/* Remove format of files of marks of the course */
sprintf (Query,"DELETE FROM marks_properties"
" USING files,marks_properties"
" WHERE files.CrsCod='%ld'"
" AND files.FilCod=marks_properties.FilCod",
CrsCod);
DB_QueryDELETE (Query,"can not remove the properties of marks associated to a course");
/* Remove files in the course from database */
Brw_RemoveFilesFromDB (CrsCod,-1L,-1L);
/* Remove size of file zones in the course from database */
Brw_RemoveSizeOfFileTreeFromDB (CrsCod,-1L,-1L);
/***** Remove directories of the course *****/
sprintf (PathRelCrs,"%s/%s/%ld",
Cfg_PATH_SWAD_PRIVATE,Cfg_FOLDER_CRS,CrsCod);
Brw_RemoveTree (PathRelCrs);
sprintf (PathRelCrs,"%s/%s/%ld",
Cfg_PATH_SWAD_PUBLIC,Cfg_FOLDER_CRS,CrsCod);
Brw_RemoveTree (PathRelCrs);
}
/*****************************************************************************/
/************** Change the institutional code of a course ********************/
/*****************************************************************************/
void Crs_ChangeInsCrsCod (void)
{
extern const char *Txt_The_institutional_code_of_the_course_X_has_changed_to_Y;
extern const char *Txt_The_institutional_code_of_the_course_X_has_not_changed;
extern const char *Txt_You_dont_have_permission_to_edit_this_course;
char NewInstitutionalCrsCod[Crs_LENGTH_INSTITUTIONAL_CRS_COD+1];
struct Course *Crs;
Crs = &Gbl.Degs.EditingCrs;
/***** Get parameters from form *****/
/* Get course code */
if ((Crs->CrsCod = Crs_GetParamOtherCrsCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of course is missing.");
/* Get institutional code */
Par_GetParToText ("InsCrsCod",NewInstitutionalCrsCod,Crs_LENGTH_INSTITUTIONAL_CRS_COD);
/* Get data of the course */
Crs_GetDataOfCourseByCod (Crs);
if (Crs_CheckIfICanEdit (Crs))
{
/***** Change the institutional course code *****/
if (strcmp (NewInstitutionalCrsCod,Crs->InstitutionalCrsCod))
{
Crs_UpdateCurrentInstitutionalCrsCod (Crs,NewInstitutionalCrsCod);
sprintf (Gbl.Message,Txt_The_institutional_code_of_the_course_X_has_changed_to_Y,
Crs->ShortName,NewInstitutionalCrsCod);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
}
else // The same institutional code
{
sprintf (Gbl.Message,Txt_The_institutional_code_of_the_course_X_has_not_changed,
Crs->ShortName);
Lay_ShowAlert (Lay_INFO,Gbl.Message);
}
/***** Put link to go to course changed *****/
if (Crs->CrsCod != Gbl.CurrentCrs.Crs.CrsCod) // If changing other course different than the current one...
Crs_PutLinkToGoToCrs (Crs);
}
else
Lay_ShowAlert (Lay_WARNING,Txt_You_dont_have_permission_to_edit_this_course);
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/****** Change the degree of a course (move course to another degree) ********/
/*****************************************************************************/
void Crs_ChangeCrsDegree (void)
{
extern const char *Txt_In_the_year_X_of_the_degree_Y_already_existed_a_course_with_the_name_Z;
extern const char *Txt_YEAR_OF_DEGREE[1+Deg_MAX_YEARS_PER_DEGREE];
extern const char *Txt_The_course_X_has_been_moved_to_the_degree_Y;
extern const char *Txt_The_year_X_is_not_enabled_on_the_degree_Y;
extern const char *Txt_You_dont_have_permission_to_move_courses_to_the_degree_X;
struct Course *Crs;
bool ICanChangeCrsToNewDeg;
char Query[512];
struct Degree NewDeg;
Crs = &Gbl.Degs.EditingCrs;
/***** Get parameters from form *****/
/* Get course code */
if ((Crs->CrsCod = Crs_GetParamOtherCrsCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of course is missing.");
/* Get new degree code */
if ((NewDeg.DegCod = Deg_GetParamOtherDegCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of degree is missing.");
/* Check if I have permission to change course to this degree */
if (Gbl.Usrs.Me.LoggedRole == Rol_ROLE_SUPERUSER)
ICanChangeCrsToNewDeg = true;
else if (Gbl.Usrs.Me.LoggedRole == Rol_ROLE_DEG_ADMIN)
ICanChangeCrsToNewDeg = Usr_CheckIfUsrIsAdmOfDeg (Gbl.Usrs.Me.UsrDat.UsrCod,NewDeg.DegCod);
else
ICanChangeCrsToNewDeg = false;
/***** Get data of course and new degree *****/
Crs_GetDataOfCourseByCod (Crs);
Deg_GetDataOfDegreeByCod (&NewDeg);
/***** If I have permission to change course to this new degree... *****/
if (ICanChangeCrsToNewDeg)
{
/***** If new degree has current course year... *****/
if (Deg_CheckIfYearIsValidInDeg (Crs->Year,&NewDeg))
{
/***** If name of course was in database in the new degree... *****/
if (Crs_CheckIfCourseNameExistsInCourses (NewDeg.DegCod,Crs->Year,"ShortName",Crs->ShortName,-1L))
{
sprintf (Gbl.Message,Txt_In_the_year_X_of_the_degree_Y_already_existed_a_course_with_the_name_Z,
Txt_YEAR_OF_DEGREE[Crs->Year],NewDeg.FullName,Crs->ShortName);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
else if (Crs_CheckIfCourseNameExistsInCourses (NewDeg.DegCod,Crs->Year,"FullName",Crs->FullName,-1L))
{
sprintf (Gbl.Message,Txt_In_the_year_X_of_the_degree_Y_already_existed_a_course_with_the_name_Z,
Txt_YEAR_OF_DEGREE[Crs->Year],NewDeg.FullName,Crs->FullName);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
else // Update degree in database
{
/***** Update degree in table of courses *****/
sprintf (Query,"UPDATE courses SET DegCod='%ld' WHERE CrsCod='%ld'",
NewDeg.DegCod,Crs->CrsCod);
DB_QueryUPDATE (Query,"can not move course to another degree");
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_The_course_X_has_been_moved_to_the_degree_Y,
Crs->FullName,NewDeg.FullName);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Put link to go to course changed *****/
if (Crs->CrsCod != Gbl.CurrentCrs.Crs.CrsCod) // If changing other course different than the current one...
Crs_PutLinkToGoToCrs (Crs);
}
}
else // New degree has no current course year
{
sprintf (Gbl.Message,Txt_The_year_X_is_not_enabled_on_the_degree_Y,
Txt_YEAR_OF_DEGREE[Crs->Year],NewDeg.FullName);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
}
else // I have no permission to change course to this new degree
{
sprintf (Gbl.Message,Txt_You_dont_have_permission_to_move_courses_to_the_degree_X,
NewDeg.FullName);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/************************ Change the year of a course ************************/
/*****************************************************************************/
void Crs_ChangeCrsYear (void)
{
extern const char *Txt_The_course_X_already_exists_in_year_Y;
extern const char *Txt_YEAR_OF_DEGREE[1+Deg_MAX_YEARS_PER_DEGREE];
extern const char *Txt_The_year_of_the_course_X_has_changed;
extern const char *Txt_The_year_X_is_not_enabled_on_the_degree_Y;
extern const char *Txt_You_dont_have_permission_to_edit_this_course;
struct Course *Crs;
struct Degree Deg;
char Query[512];
char YearStr[2+1];
unsigned NewYear;
Crs = &Gbl.Degs.EditingCrs;
/***** Get parameters from form *****/
/* Get course code */
if ((Crs->CrsCod = Crs_GetParamOtherCrsCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of course is missing.");
/* Get parameter with year */
Par_GetParToText ("OthCrsYear",YearStr,2);
NewYear = Deg_ConvStrToYear (YearStr);
Crs_GetDataOfCourseByCod (Crs);
if (Crs_CheckIfICanEdit (Crs))
{
Deg.DegCod = Crs->DegCod;
Deg_GetDataOfDegreeByCod (&Deg);
if (Deg_CheckIfYearIsValidInDeg (NewYear,&Deg)) // If year is valid
{
/***** If name of course was in database in the new year... *****/
if (Crs_CheckIfCourseNameExistsInCourses (Crs->DegCod,NewYear,"ShortName",Crs->ShortName,-1L))
{
sprintf (Gbl.Message,Txt_The_course_X_already_exists_in_year_Y,
Crs->ShortName,Txt_YEAR_OF_DEGREE[NewYear]);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
else if (Crs_CheckIfCourseNameExistsInCourses (Crs->DegCod,NewYear,"FullName",Crs->FullName,-1L))
{
sprintf (Gbl.Message,Txt_The_course_X_already_exists_in_year_Y,
Crs->FullName,Txt_YEAR_OF_DEGREE[NewYear]);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
else // Update year in database
{
/***** Update year in table of courses *****/
sprintf (Query,"UPDATE courses SET Year='%u' WHERE CrsCod='%ld'",
NewYear,Crs->CrsCod);
DB_QueryUPDATE (Query,"can not update the year of a course");
Crs->Year = NewYear;
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_The_year_of_the_course_X_has_changed,
Crs->ShortName);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Put link to go to course changed *****/
if (Crs->CrsCod != Gbl.CurrentCrs.Crs.CrsCod) // If changing other course different than the current one...
Crs_PutLinkToGoToCrs (Crs);
}
}
else // Year not valid
{
sprintf (Gbl.Message,Txt_The_year_X_is_not_enabled_on_the_degree_Y,
Txt_YEAR_OF_DEGREE[NewYear],Deg.FullName);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
}
else
Lay_ShowAlert (Lay_WARNING,Txt_You_dont_have_permission_to_edit_this_course);
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/********************** Change the semester of a course **********************/
/*****************************************************************************/
void Crs_ChangeCrsSemester (void)
{
extern const char *Txt_The_semester_of_the_course_X_has_changed;
extern const char *Txt_You_dont_have_permission_to_edit_this_course;
struct Course *Crs;
char Query[512];
char SemesterStr[1+1];
unsigned NewSemester;
Crs = &Gbl.Degs.EditingCrs;
/***** Get parameters from form *****/
/* Get course code */
if ((Crs->CrsCod = Crs_GetParamOtherCrsCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of course is missing.");
/* Get parameter with semester */
Par_GetParToText ("OthCrsSem",SemesterStr,1);
NewSemester = Deg_ConvStrToSemester (SemesterStr);
/***** Get data of course *****/
Crs_GetDataOfCourseByCod (Crs);
if (Crs_CheckIfICanEdit (Crs))
{
/***** Update semester in table of courses *****/
sprintf (Query,"UPDATE courses SET Semester='%u' WHERE CrsCod='%ld'",
NewSemester,Crs->CrsCod);
DB_QueryUPDATE (Query,"can not update the semester of a course");
Crs->Semester = NewSemester;
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_The_semester_of_the_course_X_has_changed,
Crs->ShortName);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Put link to go to course changed *****/
if (Crs->CrsCod != Gbl.CurrentCrs.Crs.CrsCod) // If changing other course different than the current one...
Crs_PutLinkToGoToCrs (Crs);
}
else
Lay_ShowAlert (Lay_WARNING,Txt_You_dont_have_permission_to_edit_this_course);
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/******** Change the institutional course code of the current course *********/
/*****************************************************************************/
void Crs_UpdateCurrentInstitutionalCrsCod (struct Course *Crs,const char *NewInstitutionalCrsCod)
{
char Query[512];
strncpy (Gbl.CurrentCrs.Crs.InstitutionalCrsCod,NewInstitutionalCrsCod,Crs_LENGTH_INSTITUTIONAL_CRS_COD);
Gbl.CurrentCrs.Crs.InstitutionalCrsCod[Crs_LENGTH_INSTITUTIONAL_CRS_COD] = '\0';
/***** Update institutional course code in table of courses *****/
sprintf (Query,"UPDATE courses SET InsCrsCod='%s' WHERE CrsCod='%ld'",
NewInstitutionalCrsCod,Crs->CrsCod);
DB_QueryUPDATE (Query,"can not update the institutional code of the current course");
/***** Copy institutional course code *****/
strncpy (Crs->InstitutionalCrsCod,NewInstitutionalCrsCod,Crs_LENGTH_INSTITUTIONAL_CRS_COD);
Crs->InstitutionalCrsCod[Crs_LENGTH_INSTITUTIONAL_CRS_COD] = '\0';
}
/*****************************************************************************/
/********************* Change the short name of a course *********************/
/*****************************************************************************/
void Crs_RenameCourseShort (void)
{
struct Course *Crs;
Crs = &Gbl.Degs.EditingCrs;
if (Crs_RenameCourse (Crs,Cns_SHORT_NAME))
if (Crs->CrsCod == Gbl.CurrentCrs.Crs.CrsCod) // If renaming current course...
strcpy (Gbl.CurrentCrs.Crs.ShortName,Crs->ShortName); // Overwrite current course name in order to show correctly in page title and heading
}
/*****************************************************************************/
/********************* Change the full name of a course **********************/
/*****************************************************************************/
void Crs_RenameCourseFull (void)
{
struct Course *Crs;
Crs = &Gbl.Degs.EditingCrs;
if (Crs_RenameCourse (Crs,Cns_FULL_NAME))
if (Crs->CrsCod == Gbl.CurrentCrs.Crs.CrsCod) // If renaming current course...
strcpy (Gbl.CurrentCrs.Crs.FullName,Crs->FullName); // Overwrite current course name in order to show correctly in page title and heading
}
/*****************************************************************************/
/************************ Change the name of a course ************************/
/*****************************************************************************/
// Returns true if the course is renamed
// Returns false if the course is not renamed
static bool Crs_RenameCourse (struct Course *Crs,Cns_ShortOrFullName_t ShortOrFullName)
{
extern const char *Txt_You_can_not_leave_the_name_of_the_course_X_empty;
extern const char *Txt_The_course_X_already_exists;
extern const char *Txt_The_name_of_the_course_X_has_changed_to_Y;
extern const char *Txt_The_name_of_the_course_X_has_not_changed;
extern const char *Txt_You_dont_have_permission_to_edit_this_course;
char Query[512];
const char *ParamName = NULL; // Initialized to avoid warning
const char *FieldName = NULL; // Initialized to avoid warning
unsigned MaxLength = 0; // Initialized to avoid warning
char *CurrentCrsName = NULL; // Initialized to avoid warning
char NewCrsName[Crs_MAX_LENGTH_COURSE_FULL_NAME+1];
bool CourseHasBeenRenamed = false;
switch (ShortOrFullName)
{
case Cns_SHORT_NAME:
ParamName = "ShortName";
FieldName = "ShortName";
MaxLength = Crs_MAX_LENGTH_COURSE_SHORT_NAME;
CurrentCrsName = Crs->ShortName;
break;
case Cns_FULL_NAME:
ParamName = "FullName";
FieldName = "FullName";
MaxLength = Crs_MAX_LENGTH_COURSE_FULL_NAME;
CurrentCrsName = Crs->FullName;
break;
}
/***** Get parameters from form *****/
/* Get the code of the course */
if ((Crs->CrsCod = Crs_GetParamOtherCrsCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of course is missing.");
/* Get the new name for the course */
Par_GetParToText (ParamName,NewCrsName,MaxLength);
/***** Get from the database the data of the degree *****/
Crs_GetDataOfCourseByCod (Crs);
if (Crs_CheckIfICanEdit (Crs))
{
/***** Check if new name is empty *****/
if (!NewCrsName[0])
{
sprintf (Gbl.Message,Txt_You_can_not_leave_the_name_of_the_course_X_empty,
CurrentCrsName);
Gbl.Error = true;
}
else
{
/***** Check if old and new names are the same (this happens when user press enter with no changes in the form) *****/
if (strcmp (CurrentCrsName,NewCrsName)) // Different names
{
/***** If course was in database... *****/
if (Crs_CheckIfCourseNameExistsInCourses (Crs->DegCod,Crs->Year,ParamName,NewCrsName,Crs->CrsCod))
{
sprintf (Gbl.Message,Txt_The_course_X_already_exists,
NewCrsName);
Gbl.Error = true;
}
else
{
/* Update the table changing old name by new name */
sprintf (Query,"UPDATE courses SET %s='%s' WHERE CrsCod='%ld'",
FieldName,NewCrsName,Crs->CrsCod);
DB_QueryUPDATE (Query,"can not update the name of a course");
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_The_name_of_the_course_X_has_changed_to_Y,
CurrentCrsName,NewCrsName);
CourseHasBeenRenamed = true;
}
}
else // The same name
sprintf (Gbl.Message,Txt_The_name_of_the_course_X_has_not_changed,
CurrentCrsName);
}
}
else
Lay_ShowAlert (Lay_WARNING,Txt_You_dont_have_permission_to_edit_this_course);
return CourseHasBeenRenamed;
}
/*****************************************************************************/
/*********************** Change the status of a course ***********************/
/*****************************************************************************/
void Crs_ChangeCrsStatus (void)
{
extern const char *Txt_The_status_of_the_course_X_has_changed;
struct Course *Crs;
char Query[256];
char UnsignedNum[10+1];
Crs_Status_t Status;
Crs_StatusTxt_t StatusTxt;
Crs = &Gbl.Degs.EditingCrs;
/***** Get parameters from form *****/
/* Get course code */
if ((Crs->CrsCod = Crs_GetParamOtherCrsCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of course is missing.");
/* Get parameter with status */
Par_GetParToText ("Status",UnsignedNum,1);
if (sscanf (UnsignedNum,"%u",&Status) != 1)
Lay_ShowErrorAndExit ("Wrong status.");
StatusTxt = Crs_GetStatusTxtFromStatusBits (Status);
Status = Crs_GetStatusBitsFromStatusTxt (StatusTxt); // New status
/***** Get data of course *****/
Crs_GetDataOfCourseByCod (Crs);
/***** Update status in table of courses *****/
sprintf (Query,"UPDATE courses SET Status='%u' WHERE CrsCod='%ld'",
(unsigned) Status,Crs->CrsCod);
DB_QueryUPDATE (Query,"can not update the status of a course");
Crs->Status = Status;
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_The_status_of_the_course_X_has_changed,
Crs->ShortName);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Put link to go to course changed *****/
if (Crs->CrsCod != Gbl.CurrentCrs.Crs.CrsCod) // If changing other course different than the current one...
Crs_PutLinkToGoToCrs (Crs);
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/************* Show message of success after changing a course ***************/
/*****************************************************************************/
void Crs_ContEditAfterChgCrs (void)
{
/***** Write error/success message showing the change made *****/
Lay_ShowAlert (Gbl.Error ? Lay_WARNING :
Lay_INFO,
Gbl.Message);
/***** Put link to go to course changed *****/
if (Gbl.Degs.EditingCrs.CrsCod != Gbl.CurrentCrs.Crs.CrsCod) // If changing other course different than the current one...
Crs_PutLinkToGoToCrs (&Gbl.Degs.EditingCrs);
/***** Show the form again *****/
Crs_ReqEditCourses ();
}
/*****************************************************************************/
/******************** Put centered link to go to course **********************/
/*****************************************************************************/
static void Crs_PutLinkToGoToCrs (struct Course *Crs)
{
extern const char *The_ClassFormul[The_NUM_THEMES];
extern const char *Txt_Go_to_X;
fprintf (Gbl.F.Out,"<div align=\"center\" class=\"%s\">",
The_ClassFormul[Gbl.Prefs.Theme]);
Act_FormGoToStart (ActSeeCrsInf);
Crs_PutParamCrsCod (Crs->CrsCod);
sprintf (Gbl.Title,Txt_Go_to_X,Crs->ShortName);
Act_LinkFormSubmit (Gbl.Title,The_ClassFormul[Gbl.Prefs.Theme]);
fprintf (Gbl.F.Out,"%s</a>"
"</form>"
"</div>",
Gbl.Title);
}
/*****************************************************************************/
/************************* Select one of my courses **************************/
/*****************************************************************************/
void Crs_ReqSelectOneOfMyCourses (void)
{
extern const char *Txt_You_are_not_enrolled_in_any_course[Usr_NUM_SEXS];
/***** Search / select more courses *****/
fprintf (Gbl.F.Out,"<div align=\"center\">");
Usr_PutFormToSearchCourses ();
fprintf (Gbl.F.Out,"</div>");
/***** Select one of my courses *****/
/* Fill the list with the courses I belong to, if not filled */
Usr_GetMyCourses ();
if (Gbl.Usrs.Me.MyCourses.Num)
Crs_WriteListMyCoursesToSelectOne ();
else
Lay_ShowAlert (Lay_INFO,Txt_You_are_not_enrolled_in_any_course[Gbl.Usrs.Me.UsrDat.Sex]);
}
/*****************************************************************************/
/******************* Put a link (form) to search courses *********************/
/*****************************************************************************/
static void Usr_PutFormToSearchCourses (void)
{
extern const char *The_ClassFormul[The_NUM_THEMES];
extern const char *Txt_Search_courses;
/***** Put form to search / select courses *****/
Act_FormStart (ActSysReqSch);
Act_LinkFormSubmit (Txt_Search_courses,The_ClassFormul[Gbl.Prefs.Theme]);
Lay_PutSendIcon ("search",Txt_Search_courses,Txt_Search_courses);
fprintf (Gbl.F.Out,"</form>");
}
/*****************************************************************************/
/**** Put a link (form) to remove all the students in the current course *****/
/*****************************************************************************/
void Usr_PutFormToSelectMyCourses (void)
{
extern const char *The_ClassFormul[The_NUM_THEMES];
extern const char *Txt_My_courses;
/***** Put form to search / select courses *****/
Act_FormStart (ActMyCrs);
Act_LinkFormSubmit (Txt_My_courses,The_ClassFormul[Gbl.Prefs.Theme]);
Lay_PutSendIcon ("hierarchy",Txt_My_courses,Txt_My_courses);
fprintf (Gbl.F.Out,"</form>");
}
/*****************************************************************************/
/******************** Write parameter with code of course ********************/
/*****************************************************************************/
void Crs_PutParamCrsCod (long CrsCod)
{
Par_PutHiddenParamLong ("CrsCod",CrsCod);
}
/*****************************************************************************/
/******************** Write parameter with code of course ********************/
/*****************************************************************************/
static void Crs_PutParamOtherCrsCod (long CrsCod)
{
Par_PutHiddenParamLong ("OthCrsCod",CrsCod);
}
/*****************************************************************************/
/********************* Get parameter with code of course *********************/
/*****************************************************************************/
static long Crs_GetParamOtherCrsCod (void)
{
char LongStr[1+10+1];
/***** Get parameter with code of course *****/
Par_GetParToText ("OthCrsCod",LongStr,1+10);
return Str_ConvertStrCodToLongCod (LongStr);
}
/*****************************************************************************/
/************************** Write courses of a user **************************/
/*****************************************************************************/
void Crs_GetAndWriteCrssOfAUsr (long UsrCod,Rol_Role_t Role)
{
extern const char *Txt_Degree;
extern const char *Txt_Year_OF_A_DEGREE;
extern const char *Txt_Semester_ABBREVIATION;
extern const char *Txt_Course;
extern const char *Txt_Students_ABBREVIATION;
extern const char *Txt_Teachers_ABBREVIATION;
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumCrss;
unsigned NumCrs;
/***** Get courses of a user from database *****/
sprintf (Query,"SELECT degrees.DegCod,courses.CrsCod,degrees.Logo,degrees.ShortName,degrees.FullName,"
"courses.Year,courses.Semester,courses.FullName,centres.ShortName,crs_usr.Accepted"
" FROM crs_usr,courses,degrees,centres"
" WHERE crs_usr.UsrCod='%ld'"
" AND crs_usr.Role='%u'"
" AND crs_usr.CrsCod=courses.CrsCod"
" AND courses.DegCod=degrees.DegCod"
" AND degrees.CtrCod=centres.CtrCod"
" ORDER BY degrees.FullName,courses.Year,courses.Semester,courses.FullName",
UsrCod,(unsigned) Role);
/***** List the courses (one row per course) *****/
if ((NumCrss = (unsigned) DB_QuerySELECT (Query,&mysql_res,"can not get courses of a user")))
{
/* Heading row */
fprintf (Gbl.F.Out,"<tr>"
"<th class=\"BM\"></th>"
"<th class=\"BM\"></th>"
"<th align=\"left\" class=\"TIT_TBL\">%s</th>"
"<th align=\"center\" class=\"TIT_TBL\">%s</th>"
"<th align=\"center\" class=\"TIT_TBL\">%s</th>"
"<th align=\"left\" class=\"TIT_TBL\">%s</th>"
"<th align=\"right\" class=\"TIT_TBL\">%s</th>"
"<th align=\"right\" class=\"TIT_TBL\">%s</th>"
"</tr>",
Txt_Degree,
Txt_Year_OF_A_DEGREE,
Txt_Semester_ABBREVIATION,
Txt_Course,
Txt_Students_ABBREVIATION,
Txt_Teachers_ABBREVIATION);
/* Write courses */
for (NumCrs = 1;
NumCrs <= NumCrss;
NumCrs++)
{
/* Get next course */
row = mysql_fetch_row (mysql_res);
/* Write data of this course */
Crs_WriteRowCrsData (NumCrs,row,true);
}
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/****************************** List courses found ***************************/
/*****************************************************************************/
// Returns number of courses found
unsigned Crs_ListCrssFound (const char *Query)
{
extern const char *Txt_Courses;
extern const char *Txt_course;
extern const char *Txt_courses;
extern const char *Txt_Degree;
extern const char *Txt_Year_OF_A_DEGREE;
extern const char *Txt_Semester_ABBREVIATION;
extern const char *Txt_Course;
extern const char *Txt_Students_ABBREVIATION;
extern const char *Txt_Teachers_ABBREVIATION;
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumCrss;
unsigned NumCrs;
/***** Query database *****/
NumCrss = (unsigned) DB_QuerySELECT (Query,&mysql_res,"can not get courses");
/***** List the courses (one row per course) *****/
if (NumCrss)
{
/***** Write heading *****/
Lay_StartRoundFrameTable10 (NULL,2,Txt_Courses);
/* Number of courses found */
fprintf (Gbl.F.Out,"<tr>"
"<td align=\"center\" class=\"TIT_TBL\" colspan=\"7\">");
if (NumCrss == 1)
fprintf (Gbl.F.Out,"1 %s",Txt_course);
else
fprintf (Gbl.F.Out,"%u %s",NumCrss,Txt_courses);
fprintf (Gbl.F.Out,"</td>"
"</tr>");
/* Heading row */
fprintf (Gbl.F.Out,"<tr>"
"<th class=\"BM\"></th>"
"<th align=\"left\" class=\"TIT_TBL\">%s</th>"
"<th align=\"center\" class=\"TIT_TBL\">%s</th>"
"<th align=\"center\" class=\"TIT_TBL\">%s</th>"
"<th align=\"left\" class=\"TIT_TBL\">%s</th>"
"<th align=\"right\" class=\"TIT_TBL\">%s</th>"
"<th align=\"right\" class=\"TIT_TBL\">%s</th>"
"</tr>",
Txt_Degree,
Txt_Year_OF_A_DEGREE,
Txt_Semester_ABBREVIATION,
Txt_Course,
Txt_Students_ABBREVIATION,
Txt_Teachers_ABBREVIATION);
/* Write courses */
for (NumCrs = 1;
NumCrs <= NumCrss;
NumCrs++)
{
/* Get next course */
row = mysql_fetch_row (mysql_res);
/* Write data of this course */
Crs_WriteRowCrsData (NumCrs,row,false);
}
/***** Table end *****/
Lay_EndRoundFrameTable10 ();
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return NumCrss;
}
/*****************************************************************************/
/************** Write the data of a course (result of a query) ***************/
/*****************************************************************************/
static void Crs_WriteRowCrsData (unsigned NumCrs,MYSQL_ROW row,bool WriteColumnAccepted)
{
extern const char *Txt_Enrollment_confirmed;
extern const char *Txt_Enrollment_not_confirmed;
extern const char *Txt_Go_to_X;
extern const char *Txt_YEAR_OF_DEGREE[1+Deg_MAX_YEARS_PER_DEGREE];
extern const char *Txt_SEMESTER_OF_YEAR[1+2];
long DegCod;
long CrsCod;
unsigned NumStds;
unsigned NumTchs;
const char *Style;
const char *StyleNoBR;
const char *BgColor;
bool Accepted;
/***** Get degree code (row[0]) *****/
if ((DegCod = Str_ConvertStrCodToLongCod (row[0])) < 0)
Lay_ShowErrorAndExit ("Wrong code of degree.");
/***** Get course code (row[1]) *****/
if ((CrsCod = Str_ConvertStrCodToLongCod (row[1])) < 0)
Lay_ShowErrorAndExit ("Wrong code of course.");
/***** Get number of students and teachers in this course *****/
NumStds = Usr_GetNumUsrsInCrs (Rol_ROLE_STUDENT,CrsCod);
NumTchs = Usr_GetNumUsrsInCrs (Rol_ROLE_TEACHER,CrsCod);
if (NumStds + NumTchs)
{
Style = "DAT_N";
StyleNoBR = "DAT_NOBR_N";
}
else
{
Style = "DAT";
StyleNoBR = "DAT_NOBR";
}
BgColor = (CrsCod == Gbl.CurrentCrs.Crs.CrsCod) ? VERY_LIGHT_BLUE :
Gbl.ColorRows[Gbl.RowEvenOdd];
/***** Start row *****/
fprintf (Gbl.F.Out,"<tr>");
/***** Teacher has accepted joining to this course/to any course in degree/to any course? *****/
if (WriteColumnAccepted)
{
Accepted = (Str_ConvertToUpperLetter (row[9][0]) == 'Y');
fprintf (Gbl.F.Out,"<td class=\"BT\" bgcolor=\"%s\">"
"<img src=\"%s/%s16x16.gif\""
" alt=\"\" title=\"%s\" class=\"ICON16x16\" />"
"</td>",
BgColor,
Gbl.Prefs.IconsURL,
Accepted ? "ok_on" :
"tr",
Accepted ? Txt_Enrollment_confirmed :
Txt_Enrollment_not_confirmed);
}
/***** Write number of course in this search *****/
fprintf (Gbl.F.Out,"<td align=\"right\" valign=\"top\" class=\"%s\" bgcolor=\"%s\">%u</td>",
StyleNoBR,BgColor,NumCrs);
/***** Write degree logo (row[2]), degree short name (row[3]) and centre short name (row[8]) *****/
fprintf (Gbl.F.Out,"<td align=\"left\" valign=\"top\" class=\"%s\" bgcolor=\"%s\">",
StyleNoBR,BgColor);
Act_FormGoToStart (ActSeeDegInf);
Deg_PutParamDegCod (DegCod);
sprintf (Gbl.Title,Txt_Go_to_X,row[4]);
Act_LinkFormSubmit (Gbl.Title,StyleNoBR);
fprintf (Gbl.F.Out,"<img src=\"%s/%s/%s16x16.gif\" alt=\"%s\""
" class=\"ICON16x16\" style=\"vertical-align:top;\" />"
"&nbsp;%s (%s)</a>"
"</form>"
"</td>",
Gbl.Prefs.IconsURL,Cfg_ICON_FOLDER_DEGREES,row[2],
row[3],row[3],row[8]);
/***** Write year (row[5]) *****/
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"top\" class=\"%s\" bgcolor=\"%s\">%s</td>",
Style,BgColor,Txt_YEAR_OF_DEGREE[Deg_ConvStrToYear (row[5])]);
/***** Write semester (row[6]) *****/
fprintf (Gbl.F.Out,"<td align=\"center\" valign=\"top\" class=\"%s\" bgcolor=\"%s\">%s</td>",
Style,BgColor,Txt_SEMESTER_OF_YEAR[Deg_ConvStrToSemester (row[6])]);
/***** Write course full name (row[7]) *****/
fprintf (Gbl.F.Out,"<td align=\"left\" valign=\"top\" class=\"%s\" bgcolor=\"%s\">",
Style,BgColor);
Act_FormGoToStart (ActSeeCrsInf);
Crs_PutParamCrsCod (CrsCod);
sprintf (Gbl.Title,Txt_Go_to_X,row[7]);
Act_LinkFormSubmit (Gbl.Title,Style);
fprintf (Gbl.F.Out,"%s</a>"
"</form>"
"</td>",
row[7]);
/***** Write number of students in course *****/
fprintf (Gbl.F.Out,"<td align=\"right\" valign=\"top\" class=\"%s\" bgcolor=\"%s\">%u</td>",
Style,BgColor,NumStds);
/***** Write number of teachers in course *****/
fprintf (Gbl.F.Out,"<td align=\"right\" valign=\"top\" class=\"%s\" bgcolor=\"%s\">%u</td>"
"</tr>",
Style,BgColor,NumTchs);
Gbl.RowEvenOdd = 1 - Gbl.RowEvenOdd;
}
/*****************************************************************************/
/***************** Update my last click in current course ********************/
/*****************************************************************************/
void Crs_UpdateCrsLast (void)
{
char Query[256];
if (Gbl.CurrentCrs.Crs.CrsCod > 0 &&
Gbl.Usrs.Me.LoggedRole >= Rol_ROLE_STUDENT)
{
/***** Update my last access to current course *****/
sprintf (Query,"REPLACE INTO crs_last (CrsCod,LastTime)"
" VALUES ('%ld',NOW())",
Gbl.CurrentCrs.Crs.CrsCod);
DB_QueryUPDATE (Query,"can not update last access to current course");
}
}
/*****************************************************************************/
/********************** Write form to remove old courses *********************/
/*****************************************************************************/
void Crs_AskRemoveOldCrss (void)
{
extern const char *The_ClassFormul[The_NUM_THEMES];
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;
/***** Form to request number of months without clicks *****/
fprintf (Gbl.F.Out,"<div align=\"center\">");
Act_FormStart (ActRemOldCrs);
fprintf (Gbl.F.Out,"<span class=\"%s\">%s </span>",
The_ClassFormul[Gbl.Prefs.Theme],
Txt_Eliminate_all_courses_whithout_users_PART_1_OF_2);
fprintf (Gbl.F.Out,"<select name=\"Months\">");
for (i = Crs_MIN_MONTHS_WITHOUT_ACCESS_TO_REMOVE_OLD_CRSS;
i <= Crs_MAX_MONTHS_WITHOUT_ACCESS_TO_REMOVE_OLD_CRSS;
i++)
{
fprintf (Gbl.F.Out,"<option");
if (i == MonthsWithoutAccess)
fprintf (Gbl.F.Out," selected=\"selected\"");
fprintf (Gbl.F.Out,">%u</option>",i);
}
fprintf (Gbl.F.Out,"</select>"
"<span class=\"%s\"> ",
The_ClassFormul[Gbl.Prefs.Theme]);
fprintf (Gbl.F.Out,Txt_Eliminate_all_courses_whithout_users_PART_2_OF_2,
Cfg_PLATFORM_SHORT_NAME);
fprintf (Gbl.F.Out,"</span>");
/***** Send button*****/
Lay_PutSendButton (Txt_Eliminate);
fprintf (Gbl.F.Out,"</form>"
"</div>");
}
/*****************************************************************************/
/**************************** Remove old courses *****************************/
/*****************************************************************************/
void Crs_RemoveOldCrss (void)
{
extern const char *Txt_Eliminating_X_courses_whithout_users_and_with_more_than_Y_months_without_access;
extern const char *Txt_X_courses_have_been_eliminated;
char UnsignedStr[10+1];
unsigned MonthsWithoutAccess;
unsigned long SecondsWithoutAccess;
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumCrs;
unsigned long NumCrss;
unsigned NumCrssRemoved = 0;
long CrsCod;
/***** Get parameter with number of months without access *****/
Par_GetParToText ("Months",UnsignedStr,10);
if (sscanf (UnsignedStr,"%u",&MonthsWithoutAccess) != 1)
Lay_ShowErrorAndExit ("Number of months without clicks is missing.");
if (MonthsWithoutAccess < Crs_MIN_MONTHS_WITHOUT_ACCESS_TO_REMOVE_OLD_CRSS ||
MonthsWithoutAccess > Crs_MAX_MONTHS_WITHOUT_ACCESS_TO_REMOVE_OLD_CRSS)
Lay_ShowErrorAndExit ("Wrong number of months without clicks.");
SecondsWithoutAccess = (unsigned long) MonthsWithoutAccess * Dat_SECONDS_IN_ONE_MONTH;
/***** Get old courses from database *****/
sprintf (Query,"SELECT CrsCod FROM crs_last WHERE"
" UNIX_TIMESTAMP(LastTime) < UNIX_TIMESTAMP()-%lu"
" AND CrsCod NOT IN (SELECT DISTINCT CrsCod FROM crs_usr)",
SecondsWithoutAccess);
if ((NumCrss = DB_QuerySELECT (Query,&mysql_res,"can not get old users")))
{
sprintf (Gbl.Message,Txt_Eliminating_X_courses_whithout_users_and_with_more_than_Y_months_without_access,
NumCrss,
MonthsWithoutAccess,
Cfg_PLATFORM_SHORT_NAME);
Lay_ShowAlert (Lay_INFO,Gbl.Message);
/***** Remove courses *****/
for (NumCrs = 0;
NumCrs < NumCrss;
NumCrs++)
{
row = mysql_fetch_row (mysql_res);
CrsCod = Str_ConvertStrCodToLongCod (row[0]);
Crs_RemoveCourseCompletely (CrsCod);
NumCrssRemoved++;
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/***** Write end message *****/
sprintf (Gbl.Message,Txt_X_courses_have_been_eliminated,
NumCrssRemoved);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
}
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