mirror of https://github.com/acanas/swad-core.git
164 lines
6.6 KiB
C
164 lines
6.6 KiB
C
// swad_test_database.c: self-assessment tests, 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 Cañas 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 <limits.h> // For UINT_MAX
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// #include <linux/limits.h> // For PATH_MAX
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// #include <mysql/mysql.h> // To access MySQL databases
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// #include <stdbool.h> // For boolean type
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// #include <stddef.h> // For NULL
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// #include <stdio.h> // For asprintf
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// #include <stdlib.h> // For exit, system, malloc, free, etc
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// #include <string.h> // For string functions
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// #include <sys/stat.h> // For mkdir
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// #include <sys/types.h> // For mkdir
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// #include "swad_action.h"
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// #include "swad_box.h"
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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_hierarchy_level.h"
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// #include "swad_HTML.h"
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// #include "swad_ID.h"
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// #include "swad_language.h"
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// #include "swad_match.h"
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// #include "swad_media.h"
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// #include "swad_parameter.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_config.h"
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// #include "swad_test_print.h"
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// #include "swad_test_visibility.h"
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// #include "swad_theme.h"
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// #include "swad_user.h"
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// #include "swad_xml.h"
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/*****************************************************************************/
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/***************************** Public constants ******************************/
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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 my number of test prints in this course ***************/
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/*****************************************************************************/
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void Tst_DB_IncreaseNumMyPrints (void)
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{
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/***** Trivial check *****/
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if (!Gbl.Usrs.Me.IBelongToCurrentCrs)
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return;
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/***** Update my number of accesses to test in this course *****/
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DB_QueryUPDATE ("can not update the number of accesses to test",
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"UPDATE crs_user_settings"
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" SET NumAccTst=NumAccTst+1"
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" WHERE UsrCod=%ld"
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" AND CrsCod=%ld",
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Gbl.Usrs.Me.UsrDat.UsrCod,
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Gbl.Hierarchy.Crs.CrsCod);
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}
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/*****************************************************************************/
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/******** Update date-time and number of questions of this test print ********/
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/*****************************************************************************/
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void Tst_DB_UpdateLastAccTst (unsigned NumQsts)
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{
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DB_QueryUPDATE ("can not update time and number of questions of this test",
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"UPDATE crs_user_settings"
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" SET LastAccTst=NOW(),"
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"NumQstsLastTst=%u"
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" WHERE UsrCod=%ld"
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" AND CrsCod=%ld",
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NumQsts,
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Gbl.Usrs.Me.UsrDat.UsrCod,
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Gbl.Hierarchy.Crs.CrsCod);
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}
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/*****************************************************************************/
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/********** Get date of next allowed access to test from database ************/
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/*****************************************************************************/
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unsigned Tst_DB_GetDateNextTstAllowed (MYSQL_RES **mysql_res)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get date of last test print",
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"SELECT UNIX_TIMESTAMP(LastAccTst+INTERVAL (NumQstsLastTst*%lu) SECOND)-"
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"UNIX_TIMESTAMP()," // row[0]
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"UNIX_TIMESTAMP(LastAccTst+INTERVAL (NumQstsLastTst*%lu) SECOND)" // row[1]
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" FROM crs_user_settings"
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" WHERE UsrCod=%ld"
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" AND CrsCod=%ld",
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TstCfg_GetConfigMinTimeNxtTstPerQst (),
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TstCfg_GetConfigMinTimeNxtTstPerQst (),
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Gbl.Usrs.Me.UsrDat.UsrCod,
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Gbl.Hierarchy.Crs.CrsCod);
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}
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/*****************************************************************************/
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/**************** Get number of test prints generated by me ******************/
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/*****************************************************************************/
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unsigned Tst_DB_GetNumPrintsGeneratedByMe (MYSQL_RES **mysql_res)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get number of test prints generated",
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"SELECT NumAccTst" // row[0]
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" FROM crs_user_settings"
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" WHERE UsrCod=%ld"
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" AND CrsCod=%ld",
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Gbl.Usrs.Me.UsrDat.UsrCod,
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Gbl.Hierarchy.Crs.CrsCod);
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}
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