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Version 20.96.7: Sep 09, 2021 Queries moved to module swad_exam_database.

This commit is contained in:
acanas 2021-09-09 18:11:46 +02:00
parent 3a4dd6c7ce
commit 1f178d96cb
5 changed files with 434 additions and 366 deletions
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3
swad_changelog.h
View File

@ -602,13 +602,14 @@ TODO: FIX BUG, URGENT! En las fechas como par
TODO: En las encuestas, que los estudiantes no puedan ver los resultados hasta que no finalice el plazo.
*/
#define Log_PLATFORM_VERSION "SWAD 20.96.6 (2021-09-09)"
#define Log_PLATFORM_VERSION "SWAD 20.96.7 (2021-09-09)"
#define CSS_FILE "swad20.45.css"
#define JS_FILE "swad20.69.1.js"
/*
TODO: Rename CENTRE to CENTER in help wiki.
TODO: Rename ASSESSMENT.Announcements to ASSESSMENT.Calls_for_exams
Version 20.96.7: Sep 09, 2021 Queries moved to module swad_exam_database. (314527 lines)
Version 20.96.6: Sep 09, 2021 Queries moved to module swad_exam_database. (314471 lines)
Version 20.96.5: Sep 09, 2021 Queries moved to module swad_exam_database. (314448 lines)
Version 20.96.4: Sep 08, 2021 Queries moved to module swad_exam_database. (314414 lines)

382
swad_exam.c
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@ -142,7 +142,7 @@ static void Exa_RemoveAllMedFilesFromStemOfAllQstsFromCrs (long CrsCod);
static void Exa_RemoveAllMedFilesFromAnsOfAllQstsFromExam (long ExaCod);
static void Exa_RemoveAllMedFilesFromAnsOfAllQstsFromCrs (long CrsCod);
static bool Exa_DB_CheckIfSimilarExamExists (const struct Exa_Exam *Exam);
static void Exa_HideUnhideExam (bool Hide);
static void Exa_ReceiveExamFieldsFromForm (struct Exa_Exam *Exam,
char Txt[Cns_MAX_BYTES_TEXT + 1]);
@ -1142,15 +1142,8 @@ static void Exa_RemoveAllMedFilesFromStemOfAllQstsFromExam (long ExaCod)
MYSQL_RES *mysql_res;
unsigned NumMedia;
/***** Get media codes associated to stems of an exam questions from database *****/
NumMedia = (unsigned)
DB_QuerySELECT (&mysql_res,"can not get media",
"SELECT exa_set_questions.MedCod"
" FROM exa_sets,"
"exa_set_questions"
" WHERE exa_sets.ExaCod=%ld"
" AND exa_sets.SetCod=exa_set_questions.SetCod",
ExaCod);
/***** Get media codes associated to stems of an exam questions *****/
NumMedia = Exa_DB_GetAllMediaFomStemOfAllQstsFromExam (&mysql_res,ExaCod);
/***** Go over result removing media files *****/
Med_RemoveMediaFromAllRows (NumMedia,mysql_res);
@ -1169,16 +1162,7 @@ static void Exa_RemoveAllMedFilesFromStemOfAllQstsFromCrs (long CrsCod)
unsigned NumMedia;
/***** Get media codes associated to stems of exam questions from database *****/
NumMedia = (unsigned)
DB_QuerySELECT (&mysql_res,"can not get media",
"SELECT exa_set_questions.MedCod"
" FROM exa_exams,"
"exa_sets,"
"exa_set_questions"
" WHERE exa_exams.CrsCod=%ld"
" AND exa_exams.ExaCod=exa_sets.ExaCod"
" AND exa_sets.SetCod=exa_set_questions.SetCod",
CrsCod);
NumMedia = Exa_DB_GetAllMediaFomStemOfAllQstsFromCrs (&mysql_res,CrsCod);
/***** Go over result removing media files *****/
Med_RemoveMediaFromAllRows (NumMedia,mysql_res);
@ -1197,16 +1181,7 @@ static void Exa_RemoveAllMedFilesFromAnsOfAllQstsFromExam (long ExaCod)
unsigned NumMedia;
/***** Get names of media files associated to answers of exam questions from database *****/
NumMedia = (unsigned)
DB_QuerySELECT (&mysql_res,"can not get media",
"SELECT exa_set_answers.MedCod"
" FROM exa_sets,"
"exa_set_questions,"
"exa_set_answers"
" WHERE exa_sets.ExaCod=%ld"
" AND exa_sets.SetCod=exa_set_questions.SetCod"
" AND exa_set_questions.QstCod=exa_set_answers.QstCod",
ExaCod);
NumMedia = Exa_DB_GetAllMediaFromAnsOfAllQstsFromExam (&mysql_res,ExaCod);
/***** Go over result removing media files *****/
Med_RemoveMediaFromAllRows (NumMedia,mysql_res);
@ -1225,18 +1200,7 @@ static void Exa_RemoveAllMedFilesFromAnsOfAllQstsFromCrs (long CrsCod)
unsigned NumMedia;
/***** Get names of media files associated to answers of exam questions from database *****/
NumMedia = (unsigned)
DB_QuerySELECT (&mysql_res,"can not get media",
"SELECT exa_set_answers.MedCod"
" FROM exa_exams,"
"exa_sets,"
"exa_set_questions,"
"exa_set_answers"
" WHERE exa_exams.CrsCod=%ld"
" AND exa_exams.ExaCod=exa_sets.ExaCod"
" AND exa_sets.SetCod=exa_set_questions.SetCod"
" AND exa_set_questions.QstCod=exa_set_answers.QstCod",
CrsCod);
NumMedia = Exa_DB_GetAllMediaFromAnsOfAllQstsFromCrs (&mysql_res,CrsCod);
/***** Go over result removing media files *****/
Med_RemoveMediaFromAllRows (NumMedia,mysql_res);
@ -1251,36 +1215,7 @@ static void Exa_RemoveAllMedFilesFromAnsOfAllQstsFromCrs (long CrsCod)
void Exa_HideExam (void)
{
struct Exa_Exams Exams;
struct Exa_Exam Exam;
/***** Check if I can edit exams *****/
if (!Exa_CheckIfICanEditExams ())
Err_NoPermissionExit ();
/***** Reset exams context *****/
Exa_ResetExams (&Exams);
Exa_ResetExam (&Exam);
/***** Get parameters *****/
Exa_GetParams (&Exams);
if (Exams.ExaCod <= 0)
Err_WrongExamExit ();
Exam.ExaCod = Exams.ExaCod;
/***** Get data of the exam from database *****/
Exa_GetDataOfExamByCod (&Exam);
Exams.ExaCod = Exam.ExaCod;
/***** Hide exam *****/
DB_QueryUPDATE ("can not hide exam",
"UPDATE exa_exams"
" SET Hidden='Y'"
" WHERE ExaCod=%ld",
Exam.ExaCod);
/***** Show exams again *****/
Exa_ListAllExams (&Exams);
Exa_HideUnhideExam (true);
}
/*****************************************************************************/
@ -1288,6 +1223,15 @@ void Exa_HideExam (void)
/*****************************************************************************/
void Exa_UnhideExam (void)
{
Exa_HideUnhideExam (false);
}
/*****************************************************************************/
/******************************* Unhide an exam ******************************/
/*****************************************************************************/
static void Exa_HideUnhideExam (bool Hide)
{
struct Exa_Exams Exams;
struct Exa_Exam Exam;
@ -1311,34 +1255,12 @@ void Exa_UnhideExam (void)
Exams.ExaCod = Exam.ExaCod;
/***** Unhide exam *****/
DB_QueryUPDATE ("can not unhide exam",
"UPDATE exa_exams"
" SET Hidden='N'"
" WHERE ExaCod=%ld",
Exam.ExaCod);
Exa_DB_HideUnhideExam (Exam.ExaCod,Hide);
/***** Show exams again *****/
Exa_ListAllExams (&Exams);
}
/*****************************************************************************/
/******************* Check if the title of an exam exists *******************/
/*****************************************************************************/
static bool Exa_DB_CheckIfSimilarExamExists (const struct Exa_Exam *Exam)
{
/***** Get number of exams with a field value from database *****/
return (DB_QueryCOUNT ("can not get similar exams",
"SELECT COUNT(*)"
" FROM exa_exams"
" WHERE CrsCod=%ld"
" AND Title='%s'"
" AND ExaCod<>%ld",
Gbl.Hierarchy.Crs.CrsCod,
Exam->Title,
Exam->ExaCod) != 0);
}
/*****************************************************************************/
/**************** Request the creation or edition of an exam ******************/
/*****************************************************************************/
@ -1603,7 +1525,8 @@ static bool Exa_CheckExamFieldsReceivedFromForm (const struct Exa_Exam *Exam)
if (Exam->Title[0]) // If there's an exam title
{
/* If title of exam was in database... */
if (Exa_DB_CheckIfSimilarExamExists (Exam))
if (Exa_DB_CheckIfSimilarExamExists (Gbl.Hierarchy.Crs.CrsCod,
Exam->ExaCod,Exam->Title))
{
NewExamIsCorrect = false;
Ale_ShowAlert (Ale_WARNING,Txt_Already_existed_an_exam_with_the_title_X,
@ -1628,22 +1551,7 @@ static void Exa_CreateExam (struct Exa_Exam *Exam,const char *Txt)
extern const char *Txt_Created_new_exam_X;
/***** Create a new exam *****/
Str_SetDecimalPointToUS (); // To write the decimal point as a dot
Exam->ExaCod =
DB_QueryINSERTandReturnCode ("can not create new exam",
"INSERT INTO exa_exams"
" (CrsCod,Hidden,UsrCod,MaxGrade,Visibility,"
"Title,Txt)"
" VALUES"
" (%ld,'N',%ld,%.15lg,%u,"
"'%s','%s')",
Gbl.Hierarchy.Crs.CrsCod,
Gbl.Usrs.Me.UsrDat.UsrCod,
Exam->MaxGrade,
Exam->Visibility,
Exam->Title,
Txt);
Str_SetDecimalPointToLocal (); // Return to local system
Exam->ExaCod = Exa_DB_CreateExam (Exam,Txt);
/***** Write success message *****/
Ale_ShowAlert (Ale_SUCCESS,Txt_Created_new_exam_X,
@ -1659,22 +1567,7 @@ static void Exa_UpdateExam (struct Exa_Exam *Exam,const char *Txt)
extern const char *Txt_The_exam_has_been_modified;
/***** Update the data of the exam *****/
Str_SetDecimalPointToUS (); // To write the decimal point as a dot
DB_QueryUPDATE ("can not update exam",
"UPDATE exa_exams"
" SET CrsCod=%ld,"
"MaxGrade=%.15lg,"
"Visibility=%u,"
"Title='%s',"
"Txt='%s'"
" WHERE ExaCod=%ld",
Gbl.Hierarchy.Crs.CrsCod,
Exam->MaxGrade,
Exam->Visibility,
Exam->Title,
Txt,
Exam->ExaCod);
Str_SetDecimalPointToLocal (); // Return to local system
Exa_DB_UpdateExam (Exam,Txt);
/***** Write success message *****/
Ale_ShowAlert (Ale_SUCCESS,Txt_The_exam_has_been_modified);
@ -1693,236 +1586,3 @@ bool Exa_CheckIfEditable (const struct Exa_Exam *Exam)
else
return false; // Questions are not editable
}
/*****************************************************************************/
/********************* Get number of courses with exams **********************/
/*****************************************************************************/
// Returns the number of courses with exams in this location
unsigned Exa_DB_GetNumCoursesWithExams (HieLvl_Level_t Scope)
{
/***** Get number of courses with exams from database *****/
switch (Scope)
{
case HieLvl_SYS:
return DB_QueryCOUNT ("can not get number of courses with exams",
"SELECT COUNT(DISTINCT CrsCod)"
" FROM exa_exams");
case HieLvl_CTY:
return DB_QueryCOUNT ("can not get number of courses with exams",
"SELECT COUNT(DISTINCT exa_exams.CrsCod)"
" FROM ins_instits,"
"ctr_centers,"
"deg_degrees,"
"crs_courses,"
"exa_exams"
" WHERE ins_instits.CtyCod=%ld"
" AND ins_instits.InsCod=ctr_centers.InsCod"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Ins.InsCod);
case HieLvl_INS:
return DB_QueryCOUNT ("can not get number of courses with exams",
"SELECT COUNT(DISTINCT exa_exams.CrsCod)"
" FROM ctr_centers,"
"deg_degrees,"
"crs_courses,"
"exa_exams"
" WHERE ctr_centers.InsCod=%ld"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Ins.InsCod);
case HieLvl_CTR:
return DB_QueryCOUNT ("can not get number of courses with exams",
"SELECT COUNT(DISTINCT exa_exams.CrsCod)"
" FROM deg_degrees,"
"crs_courses,"
"exa_exams"
" WHERE deg_degrees.CtrCod=%ld"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Ctr.CtrCod);
case HieLvl_DEG:
return DB_QueryCOUNT ("can not get number of courses with exams",
"SELECT COUNT(DISTINCT exa_exams.CrsCod)"
" FROM crs_courses,"
"exa_exams"
" WHERE crs_courses.DegCod=%ld"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Deg.DegCod);
case HieLvl_CRS:
return DB_QueryCOUNT ("can not get number of courses with exams",
"SELECT COUNT(DISTINCT CrsCod)"
" FROM exa_exams"
" WHERE CrsCod=%ld",
Gbl.Hierarchy.Crs.CrsCod);
default:
Err_WrongScopeExit ();
return 0; // Not reached
}
}
/*****************************************************************************/
/**************************** Get number of exams ****************************/
/*****************************************************************************/
// Returns the number of exams in this location
unsigned Exa_DB_GetNumExams (HieLvl_Level_t Scope)
{
/***** Get number of exams from database *****/
switch (Scope)
{
case HieLvl_SYS:
return DB_QueryCOUNT ("can not get number of exams",
"SELECT COUNT(*)"
" FROM exa_exams");
case HieLvl_CTY:
return DB_QueryCOUNT ("can not get number of exams",
"SELECT COUNT(*)"
" FROM ins_instits,"
"ctr_centers,"
"deg_degrees,"
"crs_courses,"
"exa_exams"
" WHERE ins_instits.CtyCod=%ld"
" AND ins_instits.InsCod=ctr_centers.InsCod"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Cty.CtyCod);
case HieLvl_INS:
return DB_QueryCOUNT ("can not get number of exams",
"SELECT COUNT(*)"
" FROM ctr_centers,"
"deg_degrees,"
"crs_courses,"
"exa_exams"
" WHERE ctr_centers.InsCod=%ld"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Ins.InsCod);
case HieLvl_CTR:
return DB_QueryCOUNT ("can not get number of exams",
"SELECT COUNT(*)"
" FROM deg_degrees,"
"crs_courses,"
"exa_exams"
" WHERE deg_degrees.CtrCod=%ld"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Ctr.CtrCod);
case HieLvl_DEG:
return DB_QueryCOUNT ("can not get number of exams",
"SELECT COUNT(*)"
" FROM crs_courses,"
"exa_exams"
" WHERE crs_courses.DegCod=%ld"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Deg.DegCod);
case HieLvl_CRS:
return DB_QueryCOUNT ("can not get number of exams",
"SELECT COUNT(*)"
" FROM exa_exams"
" WHERE CrsCod=%ld",
Gbl.Hierarchy.Crs.CrsCod);
default:
Err_WrongScopeExit ();
return 0; // Not reached
}
}
/*****************************************************************************/
/************* Get average number of questions per course exam ***************/
/*****************************************************************************/
double Exa_DB_GetNumQstsPerCrsExam (HieLvl_Level_t Scope)
{
/***** Get number of questions per exam from database *****/
switch (Scope)
{
case HieLvl_SYS:
return DB_QuerySELECTDouble ("can not get number of questions per exam",
"SELECT AVG(NumQsts)"
" FROM (SELECT COUNT(exa_set_questions.QstCod) AS NumQsts"
" FROM exa_exams,"
"exa_set_questions"
" WHERE exa_exams.ExaCod=exa_set_questions.ExaCod"
" GROUP BY exa_set_questions.ExaCod) AS NumQstsTable");
case HieLvl_CTY:
return DB_QuerySELECTDouble ("can not get number of questions per exam",
"SELECT AVG(NumQsts)"
" FROM (SELECT COUNT(exa_set_questions.QstCod) AS NumQsts"
" FROM ins_instits,"
"ctr_centers,"
"deg_degrees,"
"crs_courses,"
"exa_exams,"
"exa_set_questions"
" WHERE ins_instits.CtyCod=%ld"
" AND ins_instits.InsCod=ctr_centers.InsCod"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod"
" AND exa_exams.ExaCod=exa_set_questions.ExaCod"
" GROUP BY exa_set_questions.ExaCod) AS NumQstsTable",
Gbl.Hierarchy.Cty.CtyCod);
case HieLvl_INS:
return DB_QuerySELECTDouble ("can not get number of questions per exam",
"SELECT AVG(NumQsts)"
" FROM (SELECT COUNT(exa_set_questions.QstCod) AS NumQsts"
" FROM ctr_centers,"
"deg_degrees,"
"crs_courses,"
"exa_exams,"
"exa_set_questions"
" WHERE ctr_centers.InsCod=%ld"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod"
" AND exa_exams.ExaCod=exa_set_questions.ExaCod"
" GROUP BY exa_set_questions.ExaCod) AS NumQstsTable",
Gbl.Hierarchy.Ins.InsCod);
case HieLvl_CTR:
return DB_QuerySELECTDouble ("can not get number of questions per exam",
"SELECT AVG(NumQsts)"
" FROM (SELECT COUNT(exa_set_questions.QstCod) AS NumQsts"
" FROM deg_degrees,"
"crs_courses,"
"exa_exams,"
"exa_set_questions"
" WHERE deg_degrees.CtrCod=%ld"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod"
" AND exa_exams.ExaCod=exa_set_questions.ExaCod"
" GROUP BY exa_set_questions.ExaCod) AS NumQstsTable",
Gbl.Hierarchy.Ctr.CtrCod);
case HieLvl_DEG:
return DB_QuerySELECTDouble ("can not get number of questions per exam",
"SELECT AVG(NumQsts)"
" FROM (SELECT COUNT(exa_set_questions.QstCod) AS NumQsts"
" FROM crs_courses,"
"exa_exams,"
"exa_set_questions"
" WHERE crs_courses.DegCod=%ld"
" AND crs_courses.CrsCod=exa_exams.CrsCod"
" AND exa_exams.ExaCod=exa_set_questions.ExaCod"
" GROUP BY exa_set_questions.ExaCod) AS NumQstsTable",
Gbl.Hierarchy.Deg.DegCod);
case HieLvl_CRS:
return DB_QuerySELECTDouble ("can not get number of questions per exam",
"SELECT AVG(NumQsts)"
" FROM (SELECT COUNT(exa_set_questions.QstCod) AS NumQsts"
" FROM exa_exams,"
"exa_set_questions"
" WHERE exa_exams.Cod=%ld"
" AND exa_exams.ExaCod=exa_set_questions.ExaCod"
" GROUP BY exa_set_questions.ExaCod) AS NumQstsTable",
Gbl.Hierarchy.Crs.CrsCod);
default:
Err_WrongScopeExit ();
return 0.0; // Not reached
}
}

4
swad_exam.h
View File

@ -89,8 +89,4 @@ void Exa_ReceiveFormExam (void);
bool Exa_CheckIfEditable (const struct Exa_Exam *Exam);
unsigned Exa_DB_GetNumCoursesWithExams (HieLvl_Level_t Scope);
unsigned Exa_DB_GetNumExams (HieLvl_Level_t Scope);
double Exa_DB_GetNumQstsPerCrsExam (HieLvl_Level_t Scope);
#endif

390
swad_exam_database.c
View File

@ -60,6 +60,74 @@ extern struct Globals Gbl;
static void Exa_DB_RemoveUsrSesResultsInCrs (long UsrCod,long CrsCod,const char *TableName);
/*****************************************************************************/
/**************************** Create a new exam ******************************/
/*****************************************************************************/
long Exa_DB_CreateExam (const struct Exa_Exam *Exam,const char *Txt)
{
long ExaCod;
Str_SetDecimalPointToUS (); // To write the decimal point as a dot
ExaCod =
DB_QueryINSERTandReturnCode ("can not create new exam",
"INSERT INTO exa_exams"
" (CrsCod,Hidden,UsrCod,MaxGrade,Visibility,"
"Title,Txt)"
" VALUES"
" (%ld,'N',%ld,%.15lg,%u,"
"'%s','%s')",
Gbl.Hierarchy.Crs.CrsCod,
Gbl.Usrs.Me.UsrDat.UsrCod,
Exam->MaxGrade,
Exam->Visibility,
Exam->Title,
Txt);
Str_SetDecimalPointToLocal (); // Return to local system
return ExaCod;
}
/*****************************************************************************/
/************************* Update an existing exam *************************/
/*****************************************************************************/
void Exa_DB_UpdateExam (const struct Exa_Exam *Exam,const char *Txt)
{
Str_SetDecimalPointToUS (); // To write the decimal point as a dot
DB_QueryUPDATE ("can not update exam",
"UPDATE exa_exams"
" SET CrsCod=%ld,"
"MaxGrade=%.15lg,"
"Visibility=%u,"
"Title='%s',"
"Txt='%s'"
" WHERE ExaCod=%ld",
Gbl.Hierarchy.Crs.CrsCod,
Exam->MaxGrade,
Exam->Visibility,
Exam->Title,
Txt,
Exam->ExaCod);
Str_SetDecimalPointToLocal (); // Return to local system
}
/*****************************************************************************/
/***************************** Hide/unhide exam ******************************/
/*****************************************************************************/
void Exa_DB_HideUnhideExam (long ExaCod,bool Hide)
{
DB_QueryUPDATE ("can not hide exam",
"UPDATE exa_exams"
" SET Hidden='%c'"
" WHERE ExaCod=%ld",
Hide ? 'Y' :
'N',
ExaCod);
}
/*****************************************************************************/
/*********************** Get list of all the exams *************************/
/*****************************************************************************/
@ -168,6 +236,256 @@ void Exa_DB_GetExamTxt (long ExaCod,char Txt[Cns_MAX_BYTES_TEXT + 1])
ExaCod);
}
/*****************************************************************************/
/******************* Check if the title of an exam exists ********************/
/*****************************************************************************/
bool Exa_DB_CheckIfSimilarExamExists (long CrsCod,long ExaCod,const char *Title)
{
return (DB_QueryCOUNT ("can not get similar exams",
"SELECT COUNT(*)"
" FROM exa_exams"
" WHERE CrsCod=%ld"
" AND Title='%s'"
" AND ExaCod<>%ld",
CrsCod,
Title,
ExaCod) != 0);
}
/*****************************************************************************/
/********************* Get number of courses with exams **********************/
/*****************************************************************************/
// Returns the number of courses with exams in this location
unsigned Exa_DB_GetNumCoursesWithExams (HieLvl_Level_t Scope)
{
/***** Get number of courses with exams from database *****/
switch (Scope)
{
case HieLvl_SYS:
return DB_QueryCOUNT ("can not get number of courses with exams",
"SELECT COUNT(DISTINCT CrsCod)"
" FROM exa_exams");
case HieLvl_CTY:
return DB_QueryCOUNT ("can not get number of courses with exams",
"SELECT COUNT(DISTINCT exa_exams.CrsCod)"
" FROM ins_instits,"
"ctr_centers,"
"deg_degrees,"
"crs_courses,"
"exa_exams"
" WHERE ins_instits.CtyCod=%ld"
" AND ins_instits.InsCod=ctr_centers.InsCod"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Ins.InsCod);
case HieLvl_INS:
return DB_QueryCOUNT ("can not get number of courses with exams",
"SELECT COUNT(DISTINCT exa_exams.CrsCod)"
" FROM ctr_centers,"
"deg_degrees,"
"crs_courses,"
"exa_exams"
" WHERE ctr_centers.InsCod=%ld"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Ins.InsCod);
case HieLvl_CTR:
return DB_QueryCOUNT ("can not get number of courses with exams",
"SELECT COUNT(DISTINCT exa_exams.CrsCod)"
" FROM deg_degrees,"
"crs_courses,"
"exa_exams"
" WHERE deg_degrees.CtrCod=%ld"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Ctr.CtrCod);
case HieLvl_DEG:
return DB_QueryCOUNT ("can not get number of courses with exams",
"SELECT COUNT(DISTINCT exa_exams.CrsCod)"
" FROM crs_courses,"
"exa_exams"
" WHERE crs_courses.DegCod=%ld"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Deg.DegCod);
case HieLvl_CRS:
return DB_QueryCOUNT ("can not get number of courses with exams",
"SELECT COUNT(DISTINCT CrsCod)"
" FROM exa_exams"
" WHERE CrsCod=%ld",
Gbl.Hierarchy.Crs.CrsCod);
default:
Err_WrongScopeExit ();
return 0; // Not reached
}
}
/*****************************************************************************/
/**************************** Get number of exams ****************************/
/*****************************************************************************/
// Returns the number of exams in this location
unsigned Exa_DB_GetNumExams (HieLvl_Level_t Scope)
{
/***** Get number of exams from database *****/
switch (Scope)
{
case HieLvl_SYS:
return DB_QueryCOUNT ("can not get number of exams",
"SELECT COUNT(*)"
" FROM exa_exams");
case HieLvl_CTY:
return DB_QueryCOUNT ("can not get number of exams",
"SELECT COUNT(*)"
" FROM ins_instits,"
"ctr_centers,"
"deg_degrees,"
"crs_courses,"
"exa_exams"
" WHERE ins_instits.CtyCod=%ld"
" AND ins_instits.InsCod=ctr_centers.InsCod"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Cty.CtyCod);
case HieLvl_INS:
return DB_QueryCOUNT ("can not get number of exams",
"SELECT COUNT(*)"
" FROM ctr_centers,"
"deg_degrees,"
"crs_courses,"
"exa_exams"
" WHERE ctr_centers.InsCod=%ld"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Ins.InsCod);
case HieLvl_CTR:
return DB_QueryCOUNT ("can not get number of exams",
"SELECT COUNT(*)"
" FROM deg_degrees,"
"crs_courses,"
"exa_exams"
" WHERE deg_degrees.CtrCod=%ld"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Ctr.CtrCod);
case HieLvl_DEG:
return DB_QueryCOUNT ("can not get number of exams",
"SELECT COUNT(*)"
" FROM crs_courses,"
"exa_exams"
" WHERE crs_courses.DegCod=%ld"
" AND crs_courses.CrsCod=exa_exams.CrsCod",
Gbl.Hierarchy.Deg.DegCod);
case HieLvl_CRS:
return DB_QueryCOUNT ("can not get number of exams",
"SELECT COUNT(*)"
" FROM exa_exams"
" WHERE CrsCod=%ld",
Gbl.Hierarchy.Crs.CrsCod);
default:
Err_WrongScopeExit ();
return 0; // Not reached
}
}
/*****************************************************************************/
/************* Get average number of questions per course exam ***************/
/*****************************************************************************/
double Exa_DB_GetNumQstsPerCrsExam (HieLvl_Level_t Scope)
{
/***** Get number of questions per exam from database *****/
switch (Scope)
{
case HieLvl_SYS:
return DB_QuerySELECTDouble ("can not get number of questions per exam",
"SELECT AVG(NumQsts)"
" FROM (SELECT COUNT(exa_set_questions.QstCod) AS NumQsts"
" FROM exa_exams,"
"exa_set_questions"
" WHERE exa_exams.ExaCod=exa_set_questions.ExaCod"
" GROUP BY exa_set_questions.ExaCod) AS NumQstsTable");
case HieLvl_CTY:
return DB_QuerySELECTDouble ("can not get number of questions per exam",
"SELECT AVG(NumQsts)"
" FROM (SELECT COUNT(exa_set_questions.QstCod) AS NumQsts"
" FROM ins_instits,"
"ctr_centers,"
"deg_degrees,"
"crs_courses,"
"exa_exams,"
"exa_set_questions"
" WHERE ins_instits.CtyCod=%ld"
" AND ins_instits.InsCod=ctr_centers.InsCod"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod"
" AND exa_exams.ExaCod=exa_set_questions.ExaCod"
" GROUP BY exa_set_questions.ExaCod) AS NumQstsTable",
Gbl.Hierarchy.Cty.CtyCod);
case HieLvl_INS:
return DB_QuerySELECTDouble ("can not get number of questions per exam",
"SELECT AVG(NumQsts)"
" FROM (SELECT COUNT(exa_set_questions.QstCod) AS NumQsts"
" FROM ctr_centers,"
"deg_degrees,"
"crs_courses,"
"exa_exams,"
"exa_set_questions"
" WHERE ctr_centers.InsCod=%ld"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod"
" AND exa_exams.ExaCod=exa_set_questions.ExaCod"
" GROUP BY exa_set_questions.ExaCod) AS NumQstsTable",
Gbl.Hierarchy.Ins.InsCod);
case HieLvl_CTR:
return DB_QuerySELECTDouble ("can not get number of questions per exam",
"SELECT AVG(NumQsts)"
" FROM (SELECT COUNT(exa_set_questions.QstCod) AS NumQsts"
" FROM deg_degrees,"
"crs_courses,"
"exa_exams,"
"exa_set_questions"
" WHERE deg_degrees.CtrCod=%ld"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=exa_exams.CrsCod"
" AND exa_exams.ExaCod=exa_set_questions.ExaCod"
" GROUP BY exa_set_questions.ExaCod) AS NumQstsTable",
Gbl.Hierarchy.Ctr.CtrCod);
case HieLvl_DEG:
return DB_QuerySELECTDouble ("can not get number of questions per exam",
"SELECT AVG(NumQsts)"
" FROM (SELECT COUNT(exa_set_questions.QstCod) AS NumQsts"
" FROM crs_courses,"
"exa_exams,"
"exa_set_questions"
" WHERE crs_courses.DegCod=%ld"
" AND crs_courses.CrsCod=exa_exams.CrsCod"
" AND exa_exams.ExaCod=exa_set_questions.ExaCod"
" GROUP BY exa_set_questions.ExaCod) AS NumQstsTable",
Gbl.Hierarchy.Deg.DegCod);
case HieLvl_CRS:
return DB_QuerySELECTDouble ("can not get number of questions per exam",
"SELECT AVG(NumQsts)"
" FROM (SELECT COUNT(exa_set_questions.QstCod) AS NumQsts"
" FROM exa_exams,"
"exa_set_questions"
" WHERE exa_exams.Cod=%ld"
" AND exa_exams.ExaCod=exa_set_questions.ExaCod"
" GROUP BY exa_set_questions.ExaCod) AS NumQstsTable",
Gbl.Hierarchy.Crs.CrsCod);
default:
Err_WrongScopeExit ();
return 0.0; // Not reached
}
}
/*****************************************************************************/
/********************************* Remove exam *******************************/
/*****************************************************************************/
@ -713,6 +1031,40 @@ unsigned Exa_DB_GetMediaFromStemOfQst (MYSQL_RES **mysql_res,long QstCod,long Se
SetCod);
}
/*****************************************************************************/
/********* Get media codes associated to stems of an exam questions **********/
/*****************************************************************************/
unsigned Exa_DB_GetAllMediaFomStemOfAllQstsFromExam (MYSQL_RES **mysql_res,long ExaCod)
{
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get media",
"SELECT exa_set_questions.MedCod"
" FROM exa_sets,"
"exa_set_questions"
" WHERE exa_sets.ExaCod=%ld"
" AND exa_sets.SetCod=exa_set_questions.SetCod",
ExaCod);
}
/*****************************************************************************/
/*** Get media codes associated to stems of all exam questions in a course ***/
/*****************************************************************************/
unsigned Exa_DB_GetAllMediaFomStemOfAllQstsFromCrs (MYSQL_RES **mysql_res,long CrsCod)
{
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get media",
"SELECT exa_set_questions.MedCod"
" FROM exa_exams,"
"exa_sets,"
"exa_set_questions"
" WHERE exa_exams.CrsCod=%ld"
" AND exa_exams.ExaCod=exa_sets.ExaCod"
" AND exa_sets.SetCod=exa_set_questions.SetCod",
CrsCod);
}
/*****************************************************************************/
/**************** Remove a question from a set of questions ******************/
/*****************************************************************************/
@ -874,6 +1226,44 @@ unsigned Exa_DB_GetMediaFromAllAnsOfQst (MYSQL_RES **mysql_res,long QstCod,long
SetCod);
}
/*****************************************************************************/
/********** Get media codes associated to answers of exam questions **********/
/*****************************************************************************/
unsigned Exa_DB_GetAllMediaFromAnsOfAllQstsFromExam (MYSQL_RES **mysql_res,long ExaCod)
{
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get media",
"SELECT exa_set_answers.MedCod"
" FROM exa_sets,"
"exa_set_questions,"
"exa_set_answers"
" WHERE exa_sets.ExaCod=%ld"
" AND exa_sets.SetCod=exa_set_questions.SetCod"
" AND exa_set_questions.QstCod=exa_set_answers.QstCod",
ExaCod);
}
/*****************************************************************************/
/***** Get media codes associated to answers of exam questions ********/
/*****************************************************************************/
unsigned Exa_DB_GetAllMediaFromAnsOfAllQstsFromCrs (MYSQL_RES **mysql_res,long CrsCod)
{
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get media",
"SELECT exa_set_answers.MedCod"
" FROM exa_exams,"
"exa_sets,"
"exa_set_questions,"
"exa_set_answers"
" WHERE exa_exams.CrsCod=%ld"
" AND exa_exams.ExaCod=exa_sets.ExaCod"
" AND exa_sets.SetCod=exa_set_questions.SetCod"
" AND exa_set_questions.QstCod=exa_set_answers.QstCod",
CrsCod);
}
/*****************************************************************************/
/********** Remove the answers in sets of questions from an exam *************/
/*****************************************************************************/

21
swad_exam_database.h
View File

@ -41,13 +41,22 @@
/***************************** Public prototypes *****************************/
/*****************************************************************************/
//---------------------------- Exams ------------------------------------------
long Exa_DB_CreateExam (const struct Exa_Exam *Exam,const char *Txt);
void Exa_DB_UpdateExam (const struct Exa_Exam *Exam,const char *Txt);
void Exa_DB_HideUnhideExam (long ExaCod,bool Hide);
unsigned Exa_DB_GetListExams (MYSQL_RES **mysql_res,Exa_Order_t SelectedOrder);
unsigned Exa_DB_GetDataOfExamByCod (MYSQL_RES **mysql_res,long ExaCod);
unsigned Exa_DB_GetExamStartEnd (MYSQL_RES **mysql_res,long ExaCod);
void Exa_DB_GetExamTxt (long ExaCod,char Txt[Cns_MAX_BYTES_TEXT + 1]);
bool Exa_DB_CheckIfSimilarExamExists (long CrsCod,long ExaCod,const char *Title);
unsigned Exa_DB_GetNumCoursesWithExams (HieLvl_Level_t Scope);
unsigned Exa_DB_GetNumExams (HieLvl_Level_t Scope);
double Exa_DB_GetNumQstsPerCrsExam (HieLvl_Level_t Scope);
void Exa_DB_RemoveExam (long ExaCod);
void Exa_DB_RemoveAllExamsFromCrs (long CrsCod);
//--------------------------------- Sets --------------------------------------
long Exa_DB_CreateSet (const struct ExaSet_Set *Set,unsigned SetInd);
void Exa_DB_UpdateSet (const struct ExaSet_Set *Set);
void Exa_DB_UpdateSetTitle (long SetCod,long ExaCod,
@ -72,6 +81,7 @@ void Exa_DB_RemoveSetFromExam (long SetCod,long ExaCod);
void Exa_DB_RemoveAllSetsFromExam (long ExaCod);
void Exa_DB_RemoveAllSetsFromCrs (long CrsCod);
//------------------------------ Set questions --------------------------------
long Exa_DB_AddQuestionToSet (long SetCod,const struct Tst_Question *Question,long MedCod);
void Exa_DB_ChangeValidityQst (long QstCod,long SetCod,long ExaCod,long CrsCod,
Tst_Validity_t Validity);
@ -83,11 +93,14 @@ unsigned Exa_DB_GetQstDataByCod (MYSQL_RES **mysql_res,long QstCod);
unsigned Exa_DB_GetValidityAndAnswerType (MYSQL_RES **mysql_res,long QstCod);
unsigned Exa_DB_GetAnswerType (MYSQL_RES **mysql_res,long QstCod);
unsigned Exa_DB_GetMediaFromStemOfQst (MYSQL_RES **mysql_res,long QstCod,long SetCod);
unsigned Exa_DB_GetAllMediaFomStemOfAllQstsFromExam (MYSQL_RES **mysql_res,long ExaCod);
unsigned Exa_DB_GetAllMediaFomStemOfAllQstsFromCrs (MYSQL_RES **mysql_res,long CrsCod);
void Exa_DB_RemoveSetQuestion (long QstCod,long SetCod);
void Exa_DB_RemoveAllSetQuestionsFromSet (long SetCod,long ExaCod);
void Exa_DB_RemoveAllSetQuestionsFromExam (long ExaCod);
void Exa_DB_RemoveAllSetQuestionsFromCrs (long CrsCod);
//--------------------------- Set question answers ----------------------------
void Exa_DB_AddAnsToQstInSet (long QstCod,unsigned AnsInd,
const char *Answer,const char *Feedback,
long MedCod,bool Correct);
@ -95,9 +108,12 @@ unsigned Exa_DB_GetQstAnswersFromSet (MYSQL_RES **mysql_res,long QstCod,bool Shu
unsigned Exa_DB_GetQstAnswersTextFromSet (MYSQL_RES **mysql_res,long QstCod);
unsigned Exa_DB_GetQstAnswersCorrFromSet (MYSQL_RES **mysql_res,long QstCod);
unsigned Exa_DB_GetMediaFromAllAnsOfQst (MYSQL_RES **mysql_res,long QstCod,long SetCod);
unsigned Exa_DB_GetAllMediaFromAnsOfAllQstsFromExam (MYSQL_RES **mysql_res,long ExaCod);
unsigned Exa_DB_GetAllMediaFromAnsOfAllQstsFromCrs (MYSQL_RES **mysql_res,long CrsCod);
void Exa_DB_RemoveAllSetAnswersFromExam (long ExaCod);
void Exa_DB_RemoveAllSetAnswersFromCrs (long CrsCod);
//-------------------------------- Sessions -----------------------------------
long Exa_DB_CreateSession (const struct ExaSes_Session *Session);
void Exa_DB_UpdateSession (const struct ExaSes_Session *Session);
unsigned Exa_DB_GetNumSessionsInExam (long ExaCod);
@ -111,6 +127,7 @@ void Exa_DB_RemoveAllSessionsFromExam (long ExaCod);
void Exa_DB_RemoveAllSessionsFromCrs (long CrsCod);
void Exa_DB_RemoveUsrFromSessionTablesInCrs (long UsrCod,long CrsCod);
//--------------------------------- Groups ------------------------------------
void Exa_DB_CreateGrpAssociatedToSes (long SesCod,long GrpCod);
unsigned Exa_DB_GetGrpsAssociatedToSes (MYSQL_RES **mysql_res,long SesCod);
bool Exa_DB_CheckIfICanListThisSessionBasedOnGrps (long SesCod);
@ -120,6 +137,7 @@ void Exa_DB_RemoveAllGrpsFromSes (long SesCod);
void Exa_DB_RemoveAllGrpsOfType (long GrpTypCod);
void Exa_DB_RemoveGrpAssociatedToExamSess (long GrpCod);
//---------------------------------- Prints -----------------------------------
long Exa_DB_CreatePrint (const struct ExaPrn_Print *Print);
void Exa_DB_UpdatePrint (const struct ExaPrn_Print *Print);
unsigned Exa_DB_GetDataOfPrintByPrnCod (MYSQL_RES **mysql_res,long PrnCod);
@ -131,6 +149,7 @@ void Exa_DB_RemoveAllPrintsFromSes (long SesCod);
void Exa_DB_RemoveAllPrintsFromExa (long ExaCod);
void Exa_DB_RemoveAllPrintsFromCrs (long CrsCod);
//------------------------------- Print questions -----------------------------
void Exa_DB_StoreOneQstOfPrint (const struct ExaPrn_Print *Print,
unsigned QstInd);
unsigned Exa_DB_GetPrintQuestions (MYSQL_RES **mysql_res,long PrnCod);
@ -144,6 +163,7 @@ void Exa_DB_RemovePrintQstsFromSes (long SesCod);
void Exa_DB_RemovePrintQstsFromExa (long ExaCod);
void Exa_DB_RemovePrintQstsFromCrs (long CrsCod);
//---------------------------------- Logs -------------------------------------
bool Exa_DB_CheckIfSessionIsTheSameAsTheLast (long PrnCod);
bool Exa_DB_CheckIfUserAgentIsTheSameAsTheLast (long PrnCod,const char *UserAgentDB);
void Exa_DB_LogAccess (long LogCod,long PrnCod,ExaLog_Action_t Action);
@ -151,6 +171,7 @@ void Exa_DB_LogSession (long LogCod,long PrnCod);
void Exa_DB_LogUserAgent (long LogCod,long PrnCod,const char *UserAgentDB);
unsigned Exa_DB_GetExamLog (MYSQL_RES **mysql_res,long PrnCod);
//--------------------------------- Results -----------------------------------
unsigned Exa_DB_GetAllUsrsWhoHaveMadeExam (MYSQL_RES **mysql_res,long ExaCod);
unsigned Exa_DB_GetAllUsrsWhoHaveMadeSession (MYSQL_RES **mysql_res,long SesCod);
unsigned Exa_DB_GetResults (MYSQL_RES **mysql_res,