mirror of
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758 lines
32 KiB
C
758 lines
32 KiB
C
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// swad_question_database.c: test/exam/game questions, operations with database
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/*
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SWAD (Shared Workspace At a Distance),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2021 Antonio Ca<EFBFBD>as Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/*********************************** Headers *********************************/
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/*****************************************************************************/
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// #define _GNU_SOURCE // For asprintf
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// #include <stdio.h> // For asprintf
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#include <string.h> // For string functions
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#include "swad_database.h"
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#include "swad_error.h"
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// #include "swad_exam_set.h"
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// #include "swad_figure.h"
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// #include "swad_form.h"
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#include "swad_global.h"
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#include "swad_question.h"
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// #include "swad_question_import.h"
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// #include "swad_tag_database.h"
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// #include "swad_test.h"
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#include "swad_test_print.h"
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/*****************************************************************************/
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/***************************** Public constants ******************************/
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/*****************************************************************************/
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const char *Qst_DB_StrAnswerTypes[Qst_NUM_ANS_TYPES] =
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{
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[Qst_ANS_INT ] = "int",
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[Qst_ANS_FLOAT ] = "float",
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[Qst_ANS_TRUE_FALSE ] = "true_false",
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[Qst_ANS_UNIQUE_CHOICE ] = "unique_choice",
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[Qst_ANS_MULTIPLE_CHOICE] = "multiple_choice",
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[Qst_ANS_TEXT ] = "text",
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};
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/*****************************************************************************/
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/**************************** Private constants ******************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/******************************* Private types *******************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/************** External global variables from others modules ****************/
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/*****************************************************************************/
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extern struct Globals Gbl;
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/*****************************************************************************/
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/************************* Private global variables **************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Private prototypes ****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/*********************** Update the score of a question **********************/
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/*****************************************************************************/
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void Qst_DB_UpdateQstScore (long QstCod,bool AnswerIsNotBlank,double Score)
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{
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/***** Update number of clicks and score of the question *****/
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Str_SetDecimalPointToUS (); // To print the floating point as a dot
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if (AnswerIsNotBlank) // User's answer is not blank
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DB_QueryUPDATE ("can not update the score of a question",
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"UPDATE tst_questions"
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" SET NumHits=NumHits+1,"
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"NumHitsNotBlank=NumHitsNotBlank+1,"
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"Score=Score+(%.15lg)"
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" WHERE QstCod=%ld",
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Score,
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QstCod);
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else // User's answer is blank
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DB_QueryUPDATE ("can not update the score of a question",
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"UPDATE tst_questions"
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" SET NumHits=NumHits+1"
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" WHERE QstCod=%ld",
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QstCod);
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Str_SetDecimalPointToLocal (); // Return to local system
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}
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/*****************************************************************************/
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/******************* Get questions for a new test print **********************/
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/*****************************************************************************/
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#define Tst_MAX_BYTES_QUERY_QUESTIONS (16 * 1024 - 1)
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unsigned Qst_DB_GetQuestionsForNewTestPrint (MYSQL_RES **mysql_res,
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const struct Qst_Questions *Questions)
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{
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extern const char *Qst_DB_StrAnswerTypes[Qst_NUM_ANS_TYPES];
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char *Query = NULL;
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long LengthQuery;
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unsigned NumItemInList;
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const char *Ptr;
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char TagText[Tag_MAX_BYTES_TAG + 1];
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char UnsignedStr[Cns_MAX_DECIMAL_DIGITS_UINT + 1];
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Qst_AnswerType_t AnswerType;
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char StrNumQsts[Cns_MAX_DECIMAL_DIGITS_UINT + 1];
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/***** Allocate space for query *****/
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if ((Query = malloc (Tst_MAX_BYTES_QUERY_QUESTIONS + 1)) == NULL)
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Err_NotEnoughMemoryExit ();
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/***** Select questions without hidden tags *****/
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/* Begin query */
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// Reject questions with any tag hidden
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// Select only questions with tags
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// DISTINCTROW is necessary to not repeat questions
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snprintf (Query,Tst_MAX_BYTES_QUERY_QUESTIONS + 1,
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"SELECT DISTINCTROW tst_questions.QstCod," // row[0]
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"tst_questions.AnsType," // row[1]
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"tst_questions.Shuffle" // row[2]
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" FROM tst_questions,tst_question_tags,tst_tags"
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" WHERE tst_questions.CrsCod=%ld"
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" AND tst_questions.QstCod NOT IN"
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" (SELECT tst_question_tags.QstCod"
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" FROM tst_tags,tst_question_tags"
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" WHERE tst_tags.CrsCod=%ld"
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" AND tst_tags.TagHidden='Y'"
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" AND tst_tags.TagCod=tst_question_tags.TagCod)"
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" AND tst_questions.QstCod=tst_question_tags.QstCod"
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" AND tst_question_tags.TagCod=tst_tags.TagCod"
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" AND tst_tags.CrsCod=%ld",
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Gbl.Hierarchy.Crs.CrsCod,
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Gbl.Hierarchy.Crs.CrsCod,
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Gbl.Hierarchy.Crs.CrsCod);
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if (!Questions->Tags.All) // User has not selected all the tags
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{
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/* Add selected tags */
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LengthQuery = strlen (Query);
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NumItemInList = 0;
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Ptr = Questions->Tags.List;
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while (*Ptr)
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{
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Par_GetNextStrUntilSeparParamMult (&Ptr,TagText,Tag_MAX_BYTES_TAG);
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LengthQuery = LengthQuery + 35 + strlen (TagText) + 1;
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if (LengthQuery > Tst_MAX_BYTES_QUERY_QUESTIONS - 128)
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Err_QuerySizeExceededExit ();
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Str_Concat (Query,
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NumItemInList ? " OR tst_tags.TagTxt='" :
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" AND (tst_tags.TagTxt='",
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Tst_MAX_BYTES_QUERY_QUESTIONS);
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Str_Concat (Query,TagText,Tst_MAX_BYTES_QUERY_QUESTIONS);
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Str_Concat (Query,"'",Tst_MAX_BYTES_QUERY_QUESTIONS);
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NumItemInList++;
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}
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Str_Concat (Query,")",Tst_MAX_BYTES_QUERY_QUESTIONS);
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}
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/* Add answer types selected */
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if (!Questions->AnswerTypes.All)
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{
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LengthQuery = strlen (Query);
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NumItemInList = 0;
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Ptr = Questions->AnswerTypes.List;
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while (*Ptr)
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{
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Par_GetNextStrUntilSeparParamMult (&Ptr,UnsignedStr,Tag_MAX_BYTES_TAG);
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AnswerType = Qst_ConvertFromUnsignedStrToAnsTyp (UnsignedStr);
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LengthQuery = LengthQuery + 35 + strlen (Qst_DB_StrAnswerTypes[AnswerType]) + 1;
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if (LengthQuery > Tst_MAX_BYTES_QUERY_QUESTIONS - 128)
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Err_QuerySizeExceededExit ();
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Str_Concat (Query,
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NumItemInList ? " OR tst_questions.AnsType='" :
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" AND (tst_questions.AnsType='",
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Tst_MAX_BYTES_QUERY_QUESTIONS);
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Str_Concat (Query,Qst_DB_StrAnswerTypes[AnswerType],Tst_MAX_BYTES_QUERY_QUESTIONS);
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Str_Concat (Query,"'",Tst_MAX_BYTES_QUERY_QUESTIONS);
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NumItemInList++;
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}
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Str_Concat (Query,")",Tst_MAX_BYTES_QUERY_QUESTIONS);
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}
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/* End query */
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Str_Concat (Query," ORDER BY RAND() LIMIT ",Tst_MAX_BYTES_QUERY_QUESTIONS);
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snprintf (StrNumQsts,sizeof (StrNumQsts),"%u",Questions->NumQsts);
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Str_Concat (Query,StrNumQsts,Tst_MAX_BYTES_QUERY_QUESTIONS);
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/*
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if (Gbl.Usrs.Me.Roles.LoggedRole == Rol_SYS_ADM)
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Lay_ShowAlert (Lay_INFO,Query);
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*/
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/* Make the query */
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get questions",
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"%s",
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Query);
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}
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/*****************************************************************************/
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/*********************** Get number of test questions ************************/
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/*****************************************************************************/
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// Returns the number of test questions
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// in this location (all the platform, current degree or current course)
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unsigned Qst_DB_GetNumQsts (MYSQL_RES **mysql_res,
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HieLvl_Level_t Scope,Qst_AnswerType_t AnsType)
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{
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switch (Scope)
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{
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case HieLvl_SYS:
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if (AnsType == Qst_ANS_UNKNOWN) // Any type
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get number of test questions",
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"SELECT COUNT(*)," // row[0]
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"SUM(NumHits)," // row[1]
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"SUM(Score)" // row[2]
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" FROM tst_questions");
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get number of test questions",
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"SELECT COUNT(*)," // row[0]
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"SUM(NumHits)," // row[1]
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"SUM(Score)" // row[2]
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" FROM tst_questions"
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" WHERE AnsType='%s'",
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Qst_DB_StrAnswerTypes[AnsType]);
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case HieLvl_CTY:
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if (AnsType == Qst_ANS_UNKNOWN) // Any type
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get number of test questions",
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"SELECT COUNT(*)," // row[0]
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"SUM(NumHits)," // row[1]
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"SUM(Score)" // row[2]
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" FROM ins_instits,"
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"ctr_centers,"
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"deg_degrees,"
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"crs_courses,"
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"tst_questions"
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" WHERE ins_instits.CtyCod=%ld"
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" AND ins_instits.InsCod=ctr_centers.InsCod"
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" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=tst_questions.CrsCod",
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Gbl.Hierarchy.Cty.CtyCod);
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get number of test questions",
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"SELECT COUNT(*)," // row[0]
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"SUM(NumHits)," // row[1]
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"SUM(Score)" // row[2]
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" FROM ins_instits,"
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"ctr_centers,"
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"deg_degrees,"
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"crs_courses,"
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"tst_questions"
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" WHERE ins_instits.CtyCod=%ld"
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" AND ins_instits.InsCod=ctr_centers.InsCod"
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" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=tst_questions.CrsCod"
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" AND tst_questions.AnsType='%s'",
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Gbl.Hierarchy.Cty.CtyCod,
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Qst_DB_StrAnswerTypes[AnsType]);
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case HieLvl_INS:
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if (AnsType == Qst_ANS_UNKNOWN) // Any type
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get number of test questions",
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"SELECT COUNT(*)," // row[0]
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"SUM(NumHits)," // row[1]
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"SUM(Score)" // row[2]
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" FROM ctr_centers,"
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"deg_degrees,"
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"crs_courses,"
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"tst_questions"
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" WHERE ctr_centers.InsCod=%ld"
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" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=tst_questions.CrsCod",
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Gbl.Hierarchy.Ins.InsCod);
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get number of test questions",
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"SELECT COUNT(*)," // row[0]
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"SUM(NumHits)," // row[1]
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"SUM(Score)" // row[2]
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" FROM ctr_centers,"
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"deg_degrees,"
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"crs_courses,"
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"tst_questions"
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" WHERE ctr_centers.InsCod=%ld"
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" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=tst_questions.CrsCod"
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" AND tst_questions.AnsType='%s'",
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Gbl.Hierarchy.Ins.InsCod,
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Qst_DB_StrAnswerTypes[AnsType]);
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case HieLvl_CTR:
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if (AnsType == Qst_ANS_UNKNOWN) // Any type
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get number of test questions",
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"SELECT COUNT(*)," // row[0]
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"SUM(NumHits)," // row[1]
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"SUM(Score)" // row[2]
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" FROM deg_degrees,"
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"crs_courses,"
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"tst_questions"
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" WHERE deg_degrees.CtrCod=%ld"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=tst_questions.CrsCod",
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Gbl.Hierarchy.Ctr.CtrCod);
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get number of test questions",
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"SELECT COUNT(*)," // row[0]
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"SUM(NumHits)," // row[1]
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"SUM(Score)" // row[2]
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" FROM deg_degrees,"
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"crs_courses,"
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"tst_questions"
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" WHERE deg_degrees.CtrCod=%ld"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=tst_questions.CrsCod"
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" AND tst_questions.AnsType='%s'",
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Gbl.Hierarchy.Ctr.CtrCod,
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Qst_DB_StrAnswerTypes[AnsType]);
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case HieLvl_DEG:
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if (AnsType == Qst_ANS_UNKNOWN) // Any type
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get number of test questions",
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"SELECT COUNT(*)," // row[0]
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"SUM(NumHits)," // row[1]
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"SUM(Score)" // row[2]
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" FROM crs_courses,"
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"tst_questions"
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" WHERE crs_courses.DegCod=%ld"
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" AND crs_courses.CrsCod=tst_questions.CrsCod",
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Gbl.Hierarchy.Deg.DegCod);
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get number of test questions",
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"SELECT COUNT(*)," // row[0]
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"SUM(NumHits)," // row[1]
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"SUM(Score)" // row[2]
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" FROM crs_courses,"
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"tst_questions"
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" WHERE crs_courses.DegCod=%ld"
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" AND crs_courses.CrsCod=tst_questions.CrsCod"
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|||
|
" AND tst_questions.AnsType='%s'",
|
|||
|
Gbl.Hierarchy.Deg.DegCod,
|
|||
|
Qst_DB_StrAnswerTypes[AnsType]);
|
|||
|
case HieLvl_CRS:
|
|||
|
if (AnsType == Qst_ANS_UNKNOWN) // Any type
|
|||
|
return (unsigned)
|
|||
|
DB_QuerySELECT (mysql_res,"can not get number of test questions",
|
|||
|
"SELECT COUNT(*)," // row[0]
|
|||
|
"SUM(NumHits)," // row[1]
|
|||
|
"SUM(Score)" // row[2]
|
|||
|
" FROM tst_questions"
|
|||
|
" WHERE CrsCod=%ld",
|
|||
|
Gbl.Hierarchy.Crs.CrsCod);
|
|||
|
|
|||
|
return (unsigned)
|
|||
|
DB_QuerySELECT (mysql_res,"can not get number of test questions",
|
|||
|
"SELECT COUNT(*)," // row[0]
|
|||
|
"SUM(NumHits)," // row[1]
|
|||
|
"SUM(Score)" // row[2]
|
|||
|
" FROM tst_questions"
|
|||
|
" WHERE CrsCod=%ld"
|
|||
|
" AND AnsType='%s'",
|
|||
|
Gbl.Hierarchy.Crs.CrsCod,
|
|||
|
Qst_DB_StrAnswerTypes[AnsType]);
|
|||
|
default:
|
|||
|
Err_WrongScopeExit ();
|
|||
|
return 0; // Not reached
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/*****************************************************************************/
|
|||
|
/**************** Get number of courses with test questions ******************/
|
|||
|
/*****************************************************************************/
|
|||
|
// Returns the number of courses with test questions
|
|||
|
// in this location (all the platform, current degree or current course)
|
|||
|
|
|||
|
unsigned Qst_DB_GetNumCrssWithQsts (HieLvl_Level_t Scope,
|
|||
|
Qst_AnswerType_t AnsType)
|
|||
|
{
|
|||
|
extern const char *Qst_DB_StrAnswerTypes[Qst_NUM_ANS_TYPES];
|
|||
|
|
|||
|
/***** Get number of courses with test questions from database *****/
|
|||
|
switch (Scope)
|
|||
|
{
|
|||
|
case HieLvl_SYS:
|
|||
|
if (AnsType == Qst_ANS_UNKNOWN) // Any type
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with test questions",
|
|||
|
"SELECT COUNT(DISTINCT CrsCod)"
|
|||
|
" FROM tst_questions");
|
|||
|
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with test questions",
|
|||
|
"SELECT COUNT(DISTINCT CrsCod)"
|
|||
|
" FROM tst_questions"
|
|||
|
" WHERE AnsType='%s'",
|
|||
|
Qst_DB_StrAnswerTypes[AnsType]);
|
|||
|
case HieLvl_CTY:
|
|||
|
if (AnsType == Qst_ANS_UNKNOWN) // Any type
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM ins_instits,"
|
|||
|
"ctr_centers,"
|
|||
|
"deg_degrees,"
|
|||
|
"crs_courses,"
|
|||
|
"tst_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=tst_questions.CrsCod",
|
|||
|
Gbl.Hierarchy.Cty.CtyCod);
|
|||
|
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM ins_instits,"
|
|||
|
"ctr_centers,"
|
|||
|
"deg_degrees,"
|
|||
|
"crs_courses,"
|
|||
|
"tst_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=tst_questions.CrsCod"
|
|||
|
" AND tst_questions.AnsType='%s'",
|
|||
|
Gbl.Hierarchy.Cty.CtyCod,
|
|||
|
Qst_DB_StrAnswerTypes[AnsType]);
|
|||
|
case HieLvl_INS:
|
|||
|
if (AnsType == Qst_ANS_UNKNOWN) // Any type
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM ctr_centers,"
|
|||
|
"deg_degrees,"
|
|||
|
"crs_courses,"
|
|||
|
"tst_questions"
|
|||
|
" WHERE ctr_centers.InsCod=%ld"
|
|||
|
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
|
|||
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|||
|
" AND crs_courses.CrsCod=tst_questions.CrsCod",
|
|||
|
Gbl.Hierarchy.Ins.InsCod);
|
|||
|
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM ctr_centers,"
|
|||
|
"deg_degrees,"
|
|||
|
"crs_courses,"
|
|||
|
"tst_questions"
|
|||
|
" WHERE ctr_centers.InsCod=%ld"
|
|||
|
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
|
|||
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|||
|
" AND crs_courses.CrsCod=tst_questions.CrsCod"
|
|||
|
" AND tst_questions.AnsType='%s'",
|
|||
|
Gbl.Hierarchy.Ins.InsCod,
|
|||
|
Qst_DB_StrAnswerTypes[AnsType]);
|
|||
|
case HieLvl_CTR:
|
|||
|
if (AnsType == Qst_ANS_UNKNOWN) // Any type
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM deg_degrees,"
|
|||
|
"crs_courses,"
|
|||
|
"tst_questions"
|
|||
|
" WHERE deg_degrees.CtrCod=%ld"
|
|||
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|||
|
" AND crs_courses.CrsCod=tst_questions.CrsCod",
|
|||
|
Gbl.Hierarchy.Ctr.CtrCod);
|
|||
|
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM deg_degrees,"
|
|||
|
"crs_courses,"
|
|||
|
"tst_questions"
|
|||
|
" WHERE deg_degrees.CtrCod=%ld"
|
|||
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|||
|
" AND crs_courses.CrsCod=tst_questions.CrsCod"
|
|||
|
" AND tst_questions.AnsType='%s'",
|
|||
|
Gbl.Hierarchy.Ctr.CtrCod,
|
|||
|
Qst_DB_StrAnswerTypes[AnsType]);
|
|||
|
case HieLvl_DEG:
|
|||
|
if (AnsType == Qst_ANS_UNKNOWN) // Any type
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with test questions",
|
|||
|
"SELECT COUNTDISTINCT (tst_questions.CrsCod)"
|
|||
|
" FROM crs_courses,"
|
|||
|
"tst_questions"
|
|||
|
" WHERE crs_courses.DegCod=%ld"
|
|||
|
" AND crs_courses.CrsCod=tst_questions.CrsCod",
|
|||
|
Gbl.Hierarchy.Deg.DegCod);
|
|||
|
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM crs_courses,"
|
|||
|
"tst_questions"
|
|||
|
" WHERE crs_courses.DegCod=%ld"
|
|||
|
" AND crs_courses.CrsCod=tst_questions.CrsCod"
|
|||
|
" AND tst_questions.AnsType='%s'",
|
|||
|
Gbl.Hierarchy.Deg.DegCod,
|
|||
|
Qst_DB_StrAnswerTypes[AnsType]);
|
|||
|
case HieLvl_CRS:
|
|||
|
if (AnsType == Qst_ANS_UNKNOWN) // Any type
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with test questions",
|
|||
|
"SELECT COUNT(DISTINCT CrsCod)"
|
|||
|
" FROM tst_questions"
|
|||
|
" WHERE CrsCod=%ld",
|
|||
|
Gbl.Hierarchy.Crs.CrsCod);
|
|||
|
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with test questions",
|
|||
|
"SELECT COUNT(DISTINCT CrsCod)"
|
|||
|
" FROM tst_questions"
|
|||
|
" WHERE CrsCod=%ld"
|
|||
|
" AND AnsType='%s'",
|
|||
|
Gbl.Hierarchy.Crs.CrsCod,
|
|||
|
Qst_DB_StrAnswerTypes[AnsType]);
|
|||
|
default:
|
|||
|
Err_WrongScopeExit ();
|
|||
|
return 0; // Not reached
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/*****************************************************************************/
|
|||
|
/*********** Get number of courses with pluggable test questions *************/
|
|||
|
/*****************************************************************************/
|
|||
|
// Returns the number of courses with pluggable test questions
|
|||
|
// in this location (all the platform, current degree or current course)
|
|||
|
|
|||
|
unsigned Qst_DB_GetNumCrssWithPluggableQsts (HieLvl_Level_t Scope,
|
|||
|
Qst_AnswerType_t AnsType)
|
|||
|
{
|
|||
|
extern const char *Qst_DB_StrAnswerTypes[Qst_NUM_ANS_TYPES];
|
|||
|
extern const char *Tst_DB_Pluggable[TstCfg_NUM_OPTIONS_PLUGGABLE];
|
|||
|
|
|||
|
/***** Get number of courses with test questions from database *****/
|
|||
|
switch (Scope)
|
|||
|
{
|
|||
|
case HieLvl_SYS:
|
|||
|
if (AnsType == Qst_ANS_UNKNOWN) // Any type
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with pluggable test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM tst_questions,"
|
|||
|
"tst_config"
|
|||
|
" WHERE tst_questions.CrsCod=tst_config.CrsCod"
|
|||
|
" AND tst_config.pluggable='%s'",
|
|||
|
Tst_DB_Pluggable[TstCfg_PLUGGABLE_YES]);
|
|||
|
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with pluggable test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM tst_questions,"
|
|||
|
"tst_config"
|
|||
|
" WHERE tst_questions.AnsType='%s'"
|
|||
|
" AND tst_questions.CrsCod=tst_config.CrsCod"
|
|||
|
" AND tst_config.pluggable='%s'",
|
|||
|
Qst_DB_StrAnswerTypes[AnsType],
|
|||
|
Tst_DB_Pluggable[TstCfg_PLUGGABLE_YES]);
|
|||
|
case HieLvl_CTY:
|
|||
|
if (AnsType == Qst_ANS_UNKNOWN) // Any type
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with pluggable test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM ins_instits,"
|
|||
|
"ctr_centers,"
|
|||
|
"deg_degrees,"
|
|||
|
"crs_courses,"
|
|||
|
"tst_questions,"
|
|||
|
"tst_config"
|
|||
|
" 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=tst_questions.CrsCod"
|
|||
|
" AND tst_questions.CrsCod=tst_config.CrsCod"
|
|||
|
" AND tst_config.pluggable='%s'",
|
|||
|
Gbl.Hierarchy.Cty.CtyCod,
|
|||
|
Tst_DB_Pluggable[TstCfg_PLUGGABLE_YES]);
|
|||
|
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with pluggable test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM ins_instits,"
|
|||
|
"ctr_centers,"
|
|||
|
"deg_degrees,"
|
|||
|
"crs_courses,"
|
|||
|
"tst_questions,"
|
|||
|
"tst_config"
|
|||
|
" 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=tst_questions.CrsCod"
|
|||
|
" AND tst_questions.AnsType='%s'"
|
|||
|
" AND tst_questions.CrsCod=tst_config.CrsCod"
|
|||
|
" AND tst_config.pluggable='%s'",
|
|||
|
Gbl.Hierarchy.Cty.CtyCod,
|
|||
|
Qst_DB_StrAnswerTypes[AnsType],
|
|||
|
Tst_DB_Pluggable[TstCfg_PLUGGABLE_YES]);
|
|||
|
case HieLvl_INS:
|
|||
|
if (AnsType == Qst_ANS_UNKNOWN) // Any type
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with pluggable test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM ctr_centers,"
|
|||
|
"deg_degrees,"
|
|||
|
"crs_courses,"
|
|||
|
"tst_questions,"
|
|||
|
"tst_config"
|
|||
|
" WHERE ctr_centers.InsCod=%ld"
|
|||
|
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
|
|||
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|||
|
" AND crs_courses.CrsCod=tst_questions.CrsCod"
|
|||
|
" AND tst_questions.CrsCod=tst_config.CrsCod"
|
|||
|
" AND tst_config.pluggable='%s'",
|
|||
|
Gbl.Hierarchy.Ins.InsCod,
|
|||
|
Tst_DB_Pluggable[TstCfg_PLUGGABLE_YES]);
|
|||
|
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with pluggable test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM ctr_centers,"
|
|||
|
"deg_degrees,"
|
|||
|
"crs_courses,"
|
|||
|
"tst_questions,"
|
|||
|
"tst_config"
|
|||
|
" WHERE ctr_centers.InsCod=%ld"
|
|||
|
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
|
|||
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|||
|
" AND crs_courses.CrsCod=tst_questions.CrsCod"
|
|||
|
" AND tst_questions.AnsType='%s'"
|
|||
|
" AND tst_questions.CrsCod=tst_config.CrsCod"
|
|||
|
" AND tst_config.pluggable='%s'",
|
|||
|
Gbl.Hierarchy.Ins.InsCod,
|
|||
|
Qst_DB_StrAnswerTypes[AnsType],
|
|||
|
Tst_DB_Pluggable[TstCfg_PLUGGABLE_YES]);
|
|||
|
case HieLvl_CTR:
|
|||
|
if (AnsType == Qst_ANS_UNKNOWN) // Any type
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with pluggable test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM deg_degrees,"
|
|||
|
"crs_courses,"
|
|||
|
"tst_questions,"
|
|||
|
"tst_config"
|
|||
|
" WHERE deg_degrees.CtrCod=%ld"
|
|||
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|||
|
" AND crs_courses.CrsCod=tst_questions.CrsCod"
|
|||
|
" AND tst_questions.CrsCod=tst_config.CrsCod"
|
|||
|
" AND tst_config.pluggable='%s'",
|
|||
|
Gbl.Hierarchy.Ctr.CtrCod,
|
|||
|
Tst_DB_Pluggable[TstCfg_PLUGGABLE_YES]);
|
|||
|
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with pluggable test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM deg_degrees,"
|
|||
|
"crs_courses,"
|
|||
|
"tst_questions,"
|
|||
|
"tst_config"
|
|||
|
" WHERE deg_degrees.CtrCod=%ld"
|
|||
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|||
|
" AND crs_courses.CrsCod=tst_questions.CrsCod"
|
|||
|
" AND tst_questions.AnsType='%s'"
|
|||
|
" AND tst_questions.CrsCod=tst_config.CrsCod"
|
|||
|
" AND tst_config.pluggable='%s'",
|
|||
|
Gbl.Hierarchy.Ctr.CtrCod,
|
|||
|
Qst_DB_StrAnswerTypes[AnsType],
|
|||
|
Tst_DB_Pluggable[TstCfg_PLUGGABLE_YES]);
|
|||
|
case HieLvl_DEG:
|
|||
|
if (AnsType == Qst_ANS_UNKNOWN) // Any type
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with pluggable test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM crs_courses,"
|
|||
|
"tst_questions,"
|
|||
|
"tst_config"
|
|||
|
" WHERE crs_courses.DegCod=%ld"
|
|||
|
" AND crs_courses.CrsCod=tst_questions.CrsCod"
|
|||
|
" AND tst_questions.CrsCod=tst_config.CrsCod"
|
|||
|
" AND tst_config.pluggable='%s'",
|
|||
|
Gbl.Hierarchy.Deg.DegCod,
|
|||
|
Tst_DB_Pluggable[TstCfg_PLUGGABLE_YES]);
|
|||
|
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with pluggable test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM crs_courses,"
|
|||
|
"tst_questions,"
|
|||
|
"tst_config"
|
|||
|
" WHERE crs_courses.DegCod=%ld"
|
|||
|
" AND crs_courses.CrsCod=tst_questions.CrsCod"
|
|||
|
" AND tst_questions.AnsType='%s'"
|
|||
|
" AND tst_questions.CrsCod=tst_config.CrsCod"
|
|||
|
" AND tst_config.pluggable='%s'",
|
|||
|
Gbl.Hierarchy.Deg.DegCod,
|
|||
|
Qst_DB_StrAnswerTypes[AnsType],
|
|||
|
Tst_DB_Pluggable[TstCfg_PLUGGABLE_YES]);
|
|||
|
case HieLvl_CRS:
|
|||
|
if (AnsType == Qst_ANS_UNKNOWN) // Any type
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with pluggable test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM tst_questions,"
|
|||
|
"tst_config"
|
|||
|
" WHERE tst_questions.CrsCod=%ld"
|
|||
|
" AND tst_questions.CrsCod=tst_config.CrsCod"
|
|||
|
" AND tst_config.pluggable='%s'",
|
|||
|
Gbl.Hierarchy.Crs.CrsCod,
|
|||
|
Tst_DB_Pluggable[TstCfg_PLUGGABLE_YES]);
|
|||
|
|
|||
|
return (unsigned)
|
|||
|
DB_QueryCOUNT ("can not get number of courses with pluggable test questions",
|
|||
|
"SELECT COUNT(DISTINCT tst_questions.CrsCod)"
|
|||
|
" FROM tst_questions,"
|
|||
|
"tst_config"
|
|||
|
" WHERE tst_questions.CrsCod=%ld"
|
|||
|
" AND tst_questions.AnsType='%s'"
|
|||
|
" AND tst_questions.CrsCod=tst_config.CrsCod"
|
|||
|
" AND tst_config.pluggable='%s'",
|
|||
|
Gbl.Hierarchy.Crs.CrsCod,
|
|||
|
Qst_DB_StrAnswerTypes[AnsType],
|
|||
|
Tst_DB_Pluggable[TstCfg_PLUGGABLE_YES]);
|
|||
|
default:
|
|||
|
Err_WrongScopeExit ();
|
|||
|
return 0; // Not reached
|
|||
|
}
|
|||
|
}
|