// swad_indicators.c: indicators 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) 1999-2017 Antonio Caņas 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 .
*/
/*****************************************************************************/
/********************************* Headers ***********************************/
/*****************************************************************************/
#include // For NULL
#include // For fprintf
#include // To access MySQL databases
#include "swad_action.h"
#include "swad_database.h"
#include "swad_global.h"
#include "swad_indicator.h"
#include "swad_parameter.h"
#include "swad_theme.h"
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/*************************** Internal constants ******************************/
/*****************************************************************************/
/*****************************************************************************/
/******************************* Internal types ******************************/
/*****************************************************************************/
typedef enum
{
Ind_INDICATORS_BRIEF,
Ind_INDICATORS_FULL,
} Ind_IndicatorsLayout_t;
/*****************************************************************************/
/***************************** Internal prototypes ***************************/
/*****************************************************************************/
static void Ind_GetParamsIndicators (void);
static void Ind_GetParamNumIndicators (void);
static unsigned Ind_GetTableOfCourses (MYSQL_RES **mysql_res);
static bool Ind_GetIfShowBigList (unsigned NumCrss);
static void Ind_PutButtonToConfirmIWantToSeeBigList (unsigned NumCrss);
static void Ind_GetNumCoursesWithIndicators (unsigned NumCrssWithIndicatorYes[1 + Ind_NUM_INDICATORS],
unsigned NumCrss,MYSQL_RES *mysql_res);
static void Ind_ShowNumCoursesWithIndicators (unsigned NumCrssWithIndicatorYes[1 + Ind_NUM_INDICATORS],
unsigned NumCrss,bool PutForm);
static void Ind_ShowTableOfCoursesWithIndicators (Ind_IndicatorsLayout_t IndicatorsLayout,
unsigned NumCrss,MYSQL_RES *mysql_res);
static unsigned Ind_GetAndUpdateNumIndicatorsCrs (long CrsCod);
static void Ind_StoreIndicatorsCrsIntoDB (long CrsCod,unsigned NumIndicators);
static unsigned long Ind_GetNumFilesInDocumZonesOfCrsFromDB (long CrsCod);
static unsigned long Ind_GetNumFilesInShareZonesOfCrsFromDB (long CrsCod);
static unsigned long Ind_GetNumFilesInAssigZonesOfCrsFromDB (long CrsCod);
static unsigned long Ind_GetNumFilesInWorksZonesOfCrsFromDB (long CrsCod);
/*****************************************************************************/
/******************* Request showing statistics of courses *******************/
/*****************************************************************************/
void Ind_ReqIndicatorsCourses (void)
{
extern const char *Hlp_STATS_Indicators;
extern const char *The_ClassForm[The_NUM_THEMES];
extern const char *Txt_Scope;
extern const char *Txt_Types_of_degree;
extern const char *Txt_only_if_the_scope_is_X;
extern const char *Txt_Department;
extern const char *Txt_No_of_indicators;
extern const char *Txt_Indicators_of_courses;
extern const char *Txt_Show_more_details;
MYSQL_RES *mysql_res;
unsigned NumCrss;
unsigned NumCrssWithIndicatorYes[1 + Ind_NUM_INDICATORS];
unsigned NumCrssToList;
unsigned Ind;
/***** Get parameters *****/
Ind_GetParamsIndicators ();
/***** Start frame *****/
Lay_StartRoundFrame (NULL,Txt_Indicators_of_courses,NULL,
Hlp_STATS_Indicators);
/***** Form to update indicators *****/
/* Start form and table */
Act_FormStart (ActReqStaCrs);
Lay_StartTableWide (2);
/* Scope */
fprintf (Gbl.F.Out,"
");
/***** Get courses from database *****/
/* The result will contain courses with any number of indicators
If Gbl.Stat.NumIndicators < 0 ==> all courses in result will be listed
If Gbl.Stat.NumIndicators >= 0 ==> only those courses in result
with Gbl.Stat.NumIndicators set to yes
will be listed */
NumCrss = Ind_GetTableOfCourses (&mysql_res);
/***** Get vector with numbers of courses with 0, 1, 2... indicators set to yes *****/
Ind_GetNumCoursesWithIndicators (NumCrssWithIndicatorYes,NumCrss,mysql_res);
/* Selection of the number of indicators */
fprintf (Gbl.F.Out,"
");
/* End table and form */
Lay_EndTable ();
Act_FormEnd ();
/***** Show the stats of courses *****/
for (Ind = 0, NumCrssToList = 0;
Ind <= Ind_NUM_INDICATORS;
Ind++)
if (Gbl.Stat.IndicatorsSelected[Ind])
NumCrssToList += NumCrssWithIndicatorYes[Ind];
if (Ind_GetIfShowBigList (NumCrssToList))
{
/* Show table */
Ind_ShowTableOfCoursesWithIndicators (Ind_INDICATORS_BRIEF,NumCrss,mysql_res);
/* Button to show more details */
Act_FormStart (ActSeeAllStaCrs);
Sco_PutParamScope ("ScopeInd",Gbl.Scope.Current);
Par_PutHiddenParamLong ("OthDegTypCod",Gbl.Stat.DegTypCod);
Par_PutHiddenParamLong ("DptCod",Gbl.Stat.DptCod);
if (Gbl.Stat.StrIndicatorsSelected[0])
Par_PutHiddenParamString ("Indicators",Gbl.Stat.StrIndicatorsSelected);
Lay_PutConfirmButton (Txt_Show_more_details);
Act_FormEnd ();
}
/***** End frame *****/
Lay_EndRoundFrame ();
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/************* Get parameters related to indicators of courses ***************/
/*****************************************************************************/
static void Ind_GetParamsIndicators (void)
{
/***** Get scope *****/
Gbl.Scope.Allowed = 1 << Sco_SCOPE_SYS |
1 << Sco_SCOPE_CTY |
1 << Sco_SCOPE_INS |
1 << Sco_SCOPE_CTR |
1 << Sco_SCOPE_DEG |
1 << Sco_SCOPE_CRS;
Gbl.Scope.Default = Sco_SCOPE_CRS;
Sco_GetScope ("ScopeInd");
/***** Get degree type code *****/
Gbl.Stat.DegTypCod = (Gbl.Scope.Current == Sco_SCOPE_SYS) ? DT_GetParamOtherDegTypCod () :
-1L;
/***** Get department code *****/
Gbl.Stat.DptCod = Dpt_GetParamDptCod ();
/***** Get number of indicators *****/
Ind_GetParamNumIndicators ();
}
/*****************************************************************************/
/*********************** Show statistics of courses **************************/
/*****************************************************************************/
void Ind_ShowIndicatorsCourses (void)
{
MYSQL_RES *mysql_res;
unsigned NumCrss;
unsigned NumCrssWithIndicatorYes[1 + Ind_NUM_INDICATORS];
/***** Get parameters *****/
Ind_GetParamsIndicators ();
/***** Get courses from database *****/
NumCrss = Ind_GetTableOfCourses (&mysql_res);
/***** Get vector with numbers of courses with 0, 1, 2... indicators set to yes *****/
Ind_GetNumCoursesWithIndicators (NumCrssWithIndicatorYes,NumCrss,mysql_res);
/***** Show table with numbers of courses with 0, 1, 2... indicators set to yes *****/
Ind_ShowNumCoursesWithIndicators (NumCrssWithIndicatorYes,NumCrss,false);
/***** Show the stats of courses *****/
Ind_ShowTableOfCoursesWithIndicators (Ind_INDICATORS_FULL,NumCrss,mysql_res);
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/*************** Get parameter with the number of indicators *****************/
/*****************************************************************************/
static void Ind_GetParamNumIndicators (void)
{
unsigned Ind;
const char *Ptr;
char LongStr[1 + 10 + 1];
long Indicator;
/***** Get parameter multiple with list of indicators selected *****/
Par_GetParMultiToText ("Indicators",Gbl.Stat.StrIndicatorsSelected,Ind_MAX_SIZE_INDICATORS_SELECTED);
/***** Set which indicators have been selected (checkboxes on) *****/
if (Gbl.Stat.StrIndicatorsSelected[0])
{
/* Reset all indicators */
for (Ind = 0;
Ind <= Ind_NUM_INDICATORS;
Ind++)
Gbl.Stat.IndicatorsSelected[Ind] = false;
/* Set indicators selected */
for (Ptr = Gbl.Stat.StrIndicatorsSelected;
*Ptr;
)
{
/* Get next indicator selected */
Par_GetNextStrUntilSeparParamMult (&Ptr,LongStr,1 + 10);
Indicator = Str_ConvertStrCodToLongCod (LongStr);
/* Set each indicator in list StrIndicatorsSelected as selected */
for (Ind = 0;
Ind <= Ind_NUM_INDICATORS;
Ind++)
if ((long) Ind == Indicator)
Gbl.Stat.IndicatorsSelected[Ind] = true;
}
}
else
/* Set all indicators */
for (Ind = 0;
Ind <= Ind_NUM_INDICATORS;
Ind++)
Gbl.Stat.IndicatorsSelected[Ind] = true;
}
/*****************************************************************************/
/******************* Build query to get table of courses *********************/
/*****************************************************************************/
// Return the number of courses found
static unsigned Ind_GetTableOfCourses (MYSQL_RES **mysql_res)
{
char Query[1024];
switch (Gbl.Scope.Current)
{
case Sco_SCOPE_SYS:
if (Gbl.Stat.DptCod > 0)
{
if (Gbl.Stat.DegTypCod > 0)
sprintf (Query,"SELECT DISTINCTROW degrees.FullName,courses.FullName,courses.CrsCod,courses.InsCrsCod"
" FROM degrees,courses,crs_usr,usr_data"
" WHERE degrees.DegTypCod=%ld"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=crs_usr.CrsCod"
" AND crs_usr.Role=%u"
" AND crs_usr.UsrCod=usr_data.UsrCod"
" AND usr_data.DptCod=%ld"
" ORDER BY degrees.FullName,courses.FullName",
Gbl.Stat.DegTypCod,
(unsigned) Rol_TEACHER,
Gbl.Stat.DptCod);
else
sprintf (Query,"SELECT DISTINCTROW degrees.FullName,courses.FullName,courses.CrsCod,courses.InsCrsCod"
" FROM degrees,courses,crs_usr,usr_data"
" WHERE degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=crs_usr.CrsCod"
" AND crs_usr.Role=%u"
" AND crs_usr.UsrCod=usr_data.UsrCod"
" AND usr_data.DptCod=%ld"
" ORDER BY degrees.FullName,courses.FullName",
(unsigned) Rol_TEACHER,
Gbl.Stat.DptCod);
}
else
{
if (Gbl.Stat.DegTypCod > 0)
sprintf (Query,"SELECT degrees.FullName,courses.FullName,courses.CrsCod,courses.InsCrsCod"
" FROM degrees,courses"
" WHERE degrees.DegTypCod=%ld"
" AND degrees.DegCod=courses.DegCod"
" ORDER BY degrees.FullName,courses.FullName",
Gbl.Stat.DegTypCod);
else
sprintf (Query,"SELECT degrees.FullName,courses.FullName,courses.CrsCod,courses.InsCrsCod"
" FROM degrees,courses"
" WHERE degrees.DegCod=courses.DegCod"
" ORDER BY degrees.FullName,courses.FullName");
}
break;
case Sco_SCOPE_CTY:
if (Gbl.Stat.DptCod > 0)
sprintf (Query,"SELECT DISTINCTROW degrees.FullName,courses.FullName,courses.CrsCod,courses.InsCrsCod"
" FROM institutions,centres,degrees,courses,crs_usr,usr_data"
" WHERE institutions.CtyCod=%ld"
" AND institutions.InsCod=centres.InsCod"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=crs_usr.CrsCod"
" AND crs_usr.Role=%u"
" AND crs_usr.UsrCod=usr_data.UsrCod"
" AND usr_data.DptCod=%ld"
" ORDER BY degrees.FullName,courses.FullName",
Gbl.CurrentCty.Cty.CtyCod,
(unsigned) Rol_TEACHER,
Gbl.Stat.DptCod);
else
sprintf (Query,"SELECT degrees.FullName,courses.FullName,courses.CrsCod,courses.InsCrsCod"
" FROM institutions,centres,degrees,courses"
" WHERE institutions.CtyCod=%ld"
" AND institutions.InsCod=centres.InsCod"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" ORDER BY degrees.FullName,courses.FullName",
Gbl.CurrentCty.Cty.CtyCod);
break;
case Sco_SCOPE_INS:
if (Gbl.Stat.DptCod > 0)
sprintf (Query,"SELECT DISTINCTROW degrees.FullName,courses.FullName,courses.CrsCod,courses.InsCrsCod"
" FROM centres,degrees,courses,crs_usr,usr_data"
" WHERE centres.InsCod=%ld"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=crs_usr.CrsCod"
" AND crs_usr.Role=%u"
" AND crs_usr.UsrCod=usr_data.UsrCod"
" AND usr_data.DptCod=%ld"
" ORDER BY degrees.FullName,courses.FullName",
Gbl.CurrentIns.Ins.InsCod,
(unsigned) Rol_TEACHER,
Gbl.Stat.DptCod);
else
sprintf (Query,"SELECT degrees.FullName,courses.FullName,courses.CrsCod,courses.InsCrsCod"
" FROM centres,degrees,courses"
" WHERE centres.InsCod=%ld"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" ORDER BY degrees.FullName,courses.FullName",
Gbl.CurrentIns.Ins.InsCod);
break;
case Sco_SCOPE_CTR:
if (Gbl.Stat.DptCod > 0)
sprintf (Query,"SELECT DISTINCTROW degrees.FullName,courses.FullName,courses.CrsCod,courses.InsCrsCod"
" FROM degrees,courses,crs_usr,usr_data"
" WHERE degrees.CtrCod=%ld"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=crs_usr.CrsCod"
" AND crs_usr.Role=%u"
" AND crs_usr.UsrCod=usr_data.UsrCod"
" AND usr_data.DptCod=%ld"
" ORDER BY degrees.FullName,courses.FullName",
Gbl.CurrentCtr.Ctr.CtrCod,
(unsigned) Rol_TEACHER,
Gbl.Stat.DptCod);
else
sprintf (Query,"SELECT degrees.FullName,courses.FullName,courses.CrsCod,courses.InsCrsCod"
" FROM degrees,courses"
" WHERE degrees.CtrCod=%ld"
" AND degrees.DegCod=courses.DegCod"
" ORDER BY degrees.FullName,courses.FullName",
Gbl.CurrentCtr.Ctr.CtrCod);
break;
case Sco_SCOPE_DEG:
if (Gbl.Stat.DptCod > 0)
sprintf (Query,"SELECT DISTINCTROW degrees.FullName,courses.FullName,courses.CrsCod,courses.InsCrsCod"
" FROM degrees,courses,crs_usr,usr_data"
" WHERE degrees.DegCod=%ld"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=crs_usr.CrsCod"
" AND crs_usr.Role=%u"
" AND crs_usr.UsrCod=usr_data.UsrCod"
" AND usr_data.DptCod=%ld"
" ORDER BY degrees.FullName,courses.FullName",
Gbl.CurrentDeg.Deg.DegCod,
(unsigned) Rol_TEACHER,
Gbl.Stat.DptCod);
else
sprintf (Query,"SELECT degrees.FullName,courses.FullName,courses.CrsCod,courses.InsCrsCod"
" FROM degrees,courses"
" WHERE degrees.DegCod=%ld"
" AND degrees.DegCod=courses.DegCod"
" ORDER BY degrees.FullName,courses.FullName",
Gbl.CurrentDeg.Deg.DegCod);
break;
case Sco_SCOPE_CRS:
if (Gbl.Stat.DptCod > 0)
sprintf (Query,"SELECT DISTINCTROW degrees.FullName,courses.FullName,courses.CrsCod,courses.InsCrsCod"
" FROM degrees,courses,crs_usr,usr_data"
" WHERE courses.CrsCod=%ld"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=crs_usr.CrsCod"
" AND crs_usr.CrsCod=%ld"
" AND crs_usr.Role=%u"
" AND crs_usr.UsrCod=usr_data.UsrCod"
" AND usr_data.DptCod=%ld"
" ORDER BY degrees.FullName,courses.FullName",
Gbl.CurrentCrs.Crs.CrsCod,
Gbl.CurrentCrs.Crs.CrsCod,
(unsigned) Rol_TEACHER,
Gbl.Stat.DptCod);
else
sprintf (Query,"SELECT degrees.FullName,courses.FullName,courses.CrsCod,courses.InsCrsCod"
" FROM degrees,courses"
" WHERE courses.CrsCod=%ld"
" AND degrees.DegCod=courses.DegCod"
" ORDER BY degrees.FullName,courses.FullName",
Gbl.CurrentCrs.Crs.CrsCod);
break;
default:
Lay_ShowErrorAndExit ("Wrong scope.");
break;
}
return (unsigned) DB_QuerySELECT (Query,mysql_res,"can not get courses");
}
/*****************************************************************************/
/******* Show form to confirm that I want to see a big list of courses *******/
/*****************************************************************************/
static bool Ind_GetIfShowBigList (unsigned NumCrss)
{
bool ShowBigList;
/***** If list of courses is too big... *****/
if (NumCrss <= Cfg_MIN_NUM_COURSES_TO_CONFIRM_SHOW_BIG_LIST)
return true; // List is not too big ==> show it
/***** Get parameter with user's confirmation to see a big list of courses *****/
if (!(ShowBigList = Par_GetParToBool ("ShowBigList")))
Ind_PutButtonToConfirmIWantToSeeBigList (NumCrss);
return ShowBigList;
}
/*****************************************************************************/
/****** Show form to confirm that I want to see a big list of courses ********/
/*****************************************************************************/
static void Ind_PutButtonToConfirmIWantToSeeBigList (unsigned NumCrss)
{
extern const char *Txt_The_list_of_X_courses_is_too_large_to_be_displayed;
extern const char *Txt_Show_anyway;
fprintf (Gbl.F.Out,"
");
/***** Show warning *****/
sprintf (Gbl.Alert.Txt,Txt_The_list_of_X_courses_is_too_large_to_be_displayed,
NumCrss);
Ale_ShowAlert (Ale_WARNING,Gbl.Alert.Txt);
/***** Put form to confirm that I want to see the big list *****/
Act_FormStart (Gbl.Action.Act);
Sco_PutParamScope ("ScopeInd",Gbl.Scope.Current);
Par_PutHiddenParamLong ("OthDegTypCod",Gbl.Stat.DegTypCod);
Par_PutHiddenParamLong ("DptCod",Gbl.Stat.DptCod);
if (Gbl.Stat.StrIndicatorsSelected[0])
Par_PutHiddenParamString ("Indicators",Gbl.Stat.StrIndicatorsSelected);
Par_PutHiddenParamChar ("ShowBigList",'Y');
/***** Send button *****/
Lay_PutConfirmButton (Txt_Show_anyway);
Act_FormEnd ();
fprintf (Gbl.F.Out,"
");
}
/*****************************************************************************/
/** Get vector with numbers of courses with 0, 1, 2... indicators set to yes */
/*****************************************************************************/
static void Ind_GetNumCoursesWithIndicators (unsigned NumCrssWithIndicatorYes[1 + Ind_NUM_INDICATORS],
unsigned NumCrss,MYSQL_RES *mysql_res)
{
MYSQL_ROW row;
unsigned NumCrs;
long CrsCod;
unsigned Ind;
unsigned NumIndicators;
/***** Reset counters of courses with each number of indicators *****/
for (Ind = 0;
Ind <= Ind_NUM_INDICATORS;
Ind++)
NumCrssWithIndicatorYes[Ind] = 0;
/***** List courses *****/
for (Gbl.RowEvenOdd = 1, NumCrs = 0;
NumCrs < NumCrss;
NumCrs++, Gbl.RowEvenOdd = 1 - Gbl.RowEvenOdd)
{
/* Get next course */
row = mysql_fetch_row (mysql_res);
/* Get course code (row[2]) */
if ((CrsCod = Str_ConvertStrCodToLongCod (row[2])) < 0)
Lay_ShowErrorAndExit ("Wrong code of course.");
/* Get stored number of indicators of this course */
NumIndicators = Ind_GetAndUpdateNumIndicatorsCrs (CrsCod);
NumCrssWithIndicatorYes[NumIndicators]++;
}
}
/*****************************************************************************/
/** Show table with numbers of courses with 0, 1, 2... indicators set to yes */
/*****************************************************************************/
static void Ind_ShowNumCoursesWithIndicators (unsigned NumCrssWithIndicatorYes[1 + Ind_NUM_INDICATORS],
unsigned NumCrss,bool PutForm)
{
extern const char *Txt_Indicators;
extern const char *Txt_Courses;
extern const char *Txt_Total;
unsigned Ind;
const char *Class;
const char *ClassNormal = "DAT_LIGHT RIGHT_MIDDLE";
const char *ClassHighlight = "DAT RIGHT_MIDDLE LIGHT_BLUE";
/***** Write number of courses with each number of indicators valid *****/
Lay_StartTable (2);
fprintf (Gbl.F.Out,"
");
if (PutForm)
fprintf (Gbl.F.Out,"
");
fprintf (Gbl.F.Out,"
"
"%s"
"
"
"
"
"%s"
"
"
"
",
Txt_Indicators,
Txt_Courses);
for (Ind = 0;
Ind <= Ind_NUM_INDICATORS;
Ind++)
{
Class = Gbl.Stat.IndicatorsSelected[Ind] ? ClassHighlight :
ClassNormal;
fprintf (Gbl.F.Out,"
");
}
/*****************************************************************************/
/************ Get number of indicators of a course from database *************/
/************ If not stored ==> compute and store it *************/
/*****************************************************************************/
static unsigned Ind_GetAndUpdateNumIndicatorsCrs (long CrsCod)
{
unsigned NumIndicators;
struct Ind_IndicatorsCrs Indicators;
int NumIndicatorsFromDB = Ind_GetNumIndicatorsCrsFromDB (CrsCod);
/***** If number of indicators is not already computed ==> compute it! *****/
if (NumIndicatorsFromDB >= 0)
NumIndicators = (unsigned) NumIndicatorsFromDB;
else // Number of indicators is not already computed
{
/***** Compute and store number of indicators *****/
Ind_ComputeAndStoreIndicatorsCrs (CrsCod,NumIndicatorsFromDB,&Indicators);
NumIndicators = Indicators.NumIndicators;
}
return NumIndicators;
}
/*****************************************************************************/
/************ Get number of indicators of a course from database *************/
/*****************************************************************************/
// This function returns -1 if number of indicators is not yet calculated
int Ind_GetNumIndicatorsCrsFromDB (long CrsCod)
{
char Query[128];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
int NumIndicatorsFromDB = -1; // -1 means not yet calculated
/***** Get number of indicators of a course from database *****/
sprintf (Query,"SELECT NumIndicators FROM courses WHERE CrsCod=%ld",
CrsCod);
if (DB_QuerySELECT (Query,&mysql_res,"can not get number of indicators"))
{
/***** Get row *****/
row = mysql_fetch_row (mysql_res);
/***** Get number of indicators (row[0]) *****/
if (sscanf (row[0],"%d",&NumIndicatorsFromDB) != 1)
Lay_ShowErrorAndExit ("Error when getting number of indicators.");
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return NumIndicatorsFromDB;
}
/*****************************************************************************/
/************ Store number of indicators of a course in database *************/
/*****************************************************************************/
static void Ind_StoreIndicatorsCrsIntoDB (long CrsCod,unsigned NumIndicators)
{
char Query[128];
/***** Store number of indicators of a course in database *****/
sprintf (Query,"UPDATE courses SET NumIndicators=%u WHERE CrsCod=%ld",
NumIndicators,CrsCod);
DB_QueryUPDATE (Query,"can not store number of indicators of a course");
}
/*****************************************************************************/
/********************* Compute indicators of a course ************************/
/*****************************************************************************/
/* NumIndicatorsFromDB (number of indicators stored in database)
must be retrieved before calling this function.
If NumIndicatorsFromDB is different from number of indicators just computed
==> update it into database */
void Ind_ComputeAndStoreIndicatorsCrs (long CrsCod,int NumIndicatorsFromDB,
struct Ind_IndicatorsCrs *Indicators)
{
/***** Initialize number of indicators *****/
Indicators->NumIndicators = 0;
/***** Get whether download zones are empty or not *****/
Indicators->NumFilesInDocumentZones = Ind_GetNumFilesInDocumZonesOfCrsFromDB (CrsCod);
Indicators->NumFilesInSharedZones = Ind_GetNumFilesInShareZonesOfCrsFromDB (CrsCod);
/***** Indicator #1: information about syllabus *****/
Indicators->SyllabusLecSrc = Inf_GetInfoSrcFromDB (CrsCod,Inf_LECTURES);
Indicators->SyllabusPraSrc = Inf_GetInfoSrcFromDB (CrsCod,Inf_PRACTICALS);
Indicators->TeachingGuideSrc = Inf_GetInfoSrcFromDB (CrsCod,Inf_TEACHING_GUIDE);
Indicators->ThereIsSyllabus = (Indicators->SyllabusLecSrc != Inf_INFO_SRC_NONE) ||
(Indicators->SyllabusPraSrc != Inf_INFO_SRC_NONE) ||
(Indicators->TeachingGuideSrc != Inf_INFO_SRC_NONE);
if (Indicators->ThereIsSyllabus)
Indicators->NumIndicators++;
/***** Indicator #2: information about assignments *****/
Indicators->NumAssignments = Asg_GetNumAssignmentsInCrs (CrsCod);
Indicators->NumFilesAssignments = Ind_GetNumFilesInAssigZonesOfCrsFromDB (CrsCod);
Indicators->NumFilesWorks = Ind_GetNumFilesInWorksZonesOfCrsFromDB (CrsCod);
Indicators->ThereAreAssignments = (Indicators->NumAssignments != 0) ||
(Indicators->NumFilesAssignments != 0) ||
(Indicators->NumFilesWorks != 0);
if (Indicators->ThereAreAssignments)
Indicators->NumIndicators++;
/***** Indicator #3: information about online tutoring *****/
Indicators->NumThreads = For_GetNumTotalThrsInForumsOfType (For_FORUM_COURSE_USRS,-1L,-1L,-1L,-1L,CrsCod);
Indicators->NumPosts = For_GetNumTotalPstsInForumsOfType (For_FORUM_COURSE_USRS,-1L,-1L,-1L,-1L,CrsCod,&(Indicators->NumUsrsToBeNotifiedByEMail));
Indicators->NumMsgsSentByTchs = Msg_GetNumMsgsSentByTchsCrs (CrsCod);
Indicators->ThereIsOnlineTutoring = (Indicators->NumThreads != 0) ||
(Indicators->NumPosts != 0) ||
(Indicators->NumMsgsSentByTchs != 0);
if (Indicators->ThereIsOnlineTutoring)
Indicators->NumIndicators++;
/***** Indicator #4: information about materials *****/
Indicators->ThereAreMaterials = (Indicators->NumFilesInDocumentZones != 0) ||
(Indicators->NumFilesInSharedZones != 0);
if (Indicators->ThereAreMaterials)
Indicators->NumIndicators++;
/***** Indicator #5: information about assessment *****/
Indicators->AssessmentSrc = Inf_GetInfoSrcFromDB (CrsCod,Inf_ASSESSMENT);
Indicators->ThereIsAssessment = (Indicators->AssessmentSrc != Inf_INFO_SRC_NONE) ||
(Indicators->TeachingGuideSrc != Inf_INFO_SRC_NONE);
if (Indicators->ThereIsAssessment)
Indicators->NumIndicators++;
/***** All the indicators are OK? *****/
Indicators->CoursePartiallyOK = Indicators->NumIndicators >= 1 &&
Indicators->NumIndicators < Ind_NUM_INDICATORS;
Indicators->CourseAllOK = Indicators->NumIndicators == Ind_NUM_INDICATORS;
/***** Update number of indicators into database
if different to the stored one *****/
if (NumIndicatorsFromDB != (int) Indicators->NumIndicators)
Ind_StoreIndicatorsCrsIntoDB (CrsCod,Indicators->NumIndicators);
}
/*****************************************************************************/
/*********** Get the number of files in document zones of a course ***********/
/*****************************************************************************/
static unsigned long Ind_GetNumFilesInDocumZonesOfCrsFromDB (long CrsCod)
{
extern const Brw_FileBrowser_t Brw_FileBrowserForDB_files[Brw_NUM_TYPES_FILE_BROWSER];
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumFiles;
/***** Get number of files in document zones of a course from database *****/
sprintf (Query,"SELECT"
" (SELECT COALESCE(SUM(NumFiles),0)"
" FROM file_browser_size"
" WHERE FileBrowser=%u AND Cod=%ld) +"
" (SELECT COALESCE(SUM(file_browser_size.NumFiles),0)"
" FROM crs_grp_types,crs_grp,file_browser_size"
" WHERE crs_grp_types.CrsCod=%ld"
" AND crs_grp_types.GrpTypCod=crs_grp.GrpTypCod"
" AND file_browser_size.FileBrowser=%u"
" AND file_browser_size.Cod=crs_grp.GrpCod)",
(unsigned) Brw_FileBrowserForDB_files[Brw_ADMI_DOCUM_CRS],
CrsCod,
CrsCod,
(unsigned) Brw_FileBrowserForDB_files[Brw_ADMI_DOCUM_GRP]);
DB_QuerySELECT (Query,&mysql_res,"can not get the number of files");
/***** Get row *****/
row = mysql_fetch_row (mysql_res);
/***** Get number of files (row[0]) *****/
if (sscanf (row[0],"%lu",&NumFiles) != 1)
Lay_ShowErrorAndExit ("Error when getting the number of files.");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return NumFiles;
}
/*****************************************************************************/
/*********** Get the number of files in shared zones of a course ***********/
/*****************************************************************************/
static unsigned long Ind_GetNumFilesInShareZonesOfCrsFromDB (long CrsCod)
{
extern const Brw_FileBrowser_t Brw_FileBrowserForDB_files[Brw_NUM_TYPES_FILE_BROWSER];
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumFiles;
/***** Get number of files in document zones of a course from database *****/
sprintf (Query,"SELECT"
" (SELECT COALESCE(SUM(NumFiles),0)"
" FROM file_browser_size"
" WHERE FileBrowser=%u AND Cod=%ld) +"
" (SELECT COALESCE(SUM(file_browser_size.NumFiles),0)"
" FROM crs_grp_types,crs_grp,file_browser_size"
" WHERE crs_grp_types.CrsCod=%ld"
" AND crs_grp_types.GrpTypCod=crs_grp.GrpTypCod"
" AND file_browser_size.FileBrowser=%u"
" AND file_browser_size.Cod=crs_grp.GrpCod)",
(unsigned) Brw_FileBrowserForDB_files[Brw_ADMI_SHARE_CRS],
CrsCod,
CrsCod,
(unsigned) Brw_FileBrowserForDB_files[Brw_ADMI_SHARE_GRP]);
DB_QuerySELECT (Query,&mysql_res,"can not get the number of files");
/***** Get row *****/
row = mysql_fetch_row (mysql_res);
/***** Get number of files (row[0]) *****/
if (sscanf (row[0],"%lu",&NumFiles) != 1)
Lay_ShowErrorAndExit ("Error when getting the number of files.");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return NumFiles;
}
/*****************************************************************************/
/********* Get the number of files in assignment zones of a course ***********/
/*****************************************************************************/
static unsigned long Ind_GetNumFilesInAssigZonesOfCrsFromDB (long CrsCod)
{
extern const Brw_FileBrowser_t Brw_FileBrowserForDB_files[Brw_NUM_TYPES_FILE_BROWSER];
char Query[256];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumFiles;
/***** Get number of files in document zones of a course from database *****/
sprintf (Query,"SELECT COALESCE(SUM(NumFiles),0)"
" FROM file_browser_size"
" WHERE FileBrowser=%u AND Cod=%ld",
(unsigned) Brw_FileBrowserForDB_files[Brw_ADMI_ASSIG_USR],
CrsCod);
DB_QuerySELECT (Query,&mysql_res,"can not get the number of files");
/***** Get row *****/
row = mysql_fetch_row (mysql_res);
/***** Get number of files (row[0]) *****/
if (sscanf (row[0],"%lu",&NumFiles) != 1)
Lay_ShowErrorAndExit ("Error when getting the number of files.");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return NumFiles;
}
/*****************************************************************************/
/************* Get the number of files in works zones of a course ************/
/*****************************************************************************/
static unsigned long Ind_GetNumFilesInWorksZonesOfCrsFromDB (long CrsCod)
{
extern const Brw_FileBrowser_t Brw_FileBrowserForDB_files[Brw_NUM_TYPES_FILE_BROWSER];
char Query[256];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumFiles;
/***** Get number of files in document zones of a course from database *****/
sprintf (Query,"SELECT COALESCE(SUM(NumFiles),0)"
" FROM file_browser_size"
" WHERE FileBrowser=%u AND Cod=%ld",
(unsigned) Brw_FileBrowserForDB_files[Brw_ADMI_WORKS_USR],
CrsCod);
DB_QuerySELECT (Query,&mysql_res,"can not get the number of files");
/***** Get row *****/
row = mysql_fetch_row (mysql_res);
/***** Get number of files (row[0]) *****/
if (sscanf (row[0],"%lu",&NumFiles) != 1)
Lay_ShowErrorAndExit ("Error when getting the number of files.");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return NumFiles;
}