mirror of
https://github.com/acanas/swad-core.git
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1677 lines
61 KiB
C
1677 lines
61 KiB
C
// swad_enrolment_database.h: enrolment (registration) or removing of users, 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) 1999-2024 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 3 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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#include "swad_database.h"
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#include "swad_enrolment.h"
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#include "swad_enrolment_database.h"
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#include "swad_error.h"
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#include "swad_global.h"
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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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/*************** Register user in current course in database *****************/
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/*****************************************************************************/
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void Enr_DB_InsertUsrInCurrentCrs (long UsrCod,long CrsCod,Rol_Role_t NewRole,
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Enr_KeepOrSetAccepted_t KeepOrSetAccepted)
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{
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DB_QueryINSERT ("can not register user in course",
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"INSERT INTO crs_users"
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" (CrsCod,UsrCod,Role,Accepted)"
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" VALUES"
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" (%ld,%ld,%u,'%c')",
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CrsCod,
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UsrCod,
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(unsigned) NewRole,
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KeepOrSetAccepted == Enr_SET_ACCEPTED_TO_TRUE ? 'Y' :
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'N');
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}
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/*****************************************************************************/
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/********* Set a user's acceptation to true in the current course ************/
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/*****************************************************************************/
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void Enr_DB_AcceptUsrInCrs (long UsrCod,long CrsCod)
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{
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/***** Set enrolment of a user to "accepted" in the current course *****/
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DB_QueryUPDATE ("can not confirm user's enrolment",
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"UPDATE crs_users"
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" SET Accepted='Y'"
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" WHERE CrsCod=%ld"
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" AND UsrCod=%ld",
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CrsCod,
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UsrCod);
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}
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/*****************************************************************************/
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/******************** Create temporary table with my courses *****************/
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/*****************************************************************************/
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void Enr_DB_CreateTmpTableMyCourses (void)
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{
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DB_CreateTmpTable ("CREATE TEMPORARY TABLE IF NOT EXISTS my_courses_tmp"
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"(CrsInd INT NOT NULL AUTO_INCREMENT,"
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"CrsCod INT NOT NULL,"
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"Role TINYINT NOT NULL,"
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"DegCod INT NOT NULL,"
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"UNIQUE INDEX(CrsInd),"
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"UNIQUE INDEX(CrsCod,Role,DegCod)) ENGINE=MEMORY"
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" SELECT crs_users.CrsCod,"
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"crs_users.Role,"
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"crs_courses.DegCod"
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" FROM crs_users,"
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"crs_courses,"
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"deg_degrees"
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" WHERE crs_users.UsrCod=%ld"
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" AND crs_users.CrsCod=crs_courses.CrsCod"
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" AND crs_courses.DegCod=deg_degrees.DegCod"
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" ORDER BY deg_degrees.ShortName,"
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"crs_courses.ShortName",
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Gbl.Usrs.Me.UsrDat.UsrCod);
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}
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/*****************************************************************************/
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/************************* Get my courses from database **********************/
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/*****************************************************************************/
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unsigned Enr_DB_GetMyCrss (MYSQL_RES **mysql_res,long PrtCod)
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{
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if (PrtCod > 0)
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get which courses you belong to",
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"SELECT CrsCod," // row[0]
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"Role," // row[1]
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"DegCod" // row[2]
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" FROM my_courses_tmp"
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" WHERE DegCod=%ld"
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" ORDER BY CrsInd",
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PrtCod);
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else
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get which courses you belong to",
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"SELECT CrsCod," // row[0]
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"Role," // row[1]
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"DegCod" // row[2]
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" FROM my_courses_tmp"
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" ORDER BY CrsInd");
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}
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/*****************************************************************************/
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/********************* Drop temporary table with my courses ******************/
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/*****************************************************************************/
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void Enr_DB_DropTmpTableMyCourses (void)
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{
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DB_DropTmpTable ("my_courses_tmp");
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}
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/*****************************************************************************/
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/************************* Get my courses from database **********************/
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/*****************************************************************************/
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unsigned Enr_DB_GetMyCoursesNames (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 user's courses",
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"SELECT crs_courses.CrsCod," // row[0]
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"crs_courses.ShortName," // row[1]
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"crs_courses.FullName," // row[2]
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"crs_users.Role" // row[3]
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" FROM crs_users,"
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"crs_courses"
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" WHERE crs_users.UsrCod=%ld"
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" AND crs_users.CrsCod=crs_courses.CrsCod"
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" ORDER BY crs_courses.FullName",
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Gbl.Usrs.Me.UsrDat.UsrCod);
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}
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/*****************************************************************************/
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/******************** Check if a user belongs to a course ********************/
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/*****************************************************************************/
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Usr_Belong_t Enr_DB_CheckIfUsrBelongsToCrs (long UsrCod,long HieCod,
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bool CountOnlyAcceptedCourses)
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{
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const char *SubQuery = (CountOnlyAcceptedCourses ? " AND crs_users.Accepted='Y'" : // Only if user accepted
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"");
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return
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DB_QueryEXISTS ("can not check if a user belongs to a course",
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"SELECT EXISTS"
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"(SELECT *"
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" FROM crs_users"
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" WHERE CrsCod=%ld"
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" AND UsrCod=%ld"
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"%s)",
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HieCod,
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UsrCod,
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SubQuery) ? Usr_BELONG :
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Usr_DONT_BELONG;
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}
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/*****************************************************************************/
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/*************** Check if a user belongs to any of my courses ****************/
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/*****************************************************************************/
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bool Enr_DB_CheckIfUsrSharesAnyOfMyCrs (long UsrCod)
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{
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/***** Fill the list with the courses I belong to (if not already filled) *****/
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Hie_GetMyHierarchy (Hie_CRS);
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/***** Check if user shares any course with me *****/
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return
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DB_QueryEXISTS ("can not check if a user shares any course with you",
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"SELECT EXISTS"
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"(SELECT *"
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" FROM crs_users"
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" WHERE UsrCod=%ld"
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" AND CrsCod IN"
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" (SELECT CrsCod"
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" FROM my_courses_tmp))",
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UsrCod);
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}
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/*****************************************************************************/
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/*** Check if a user belongs to any of my courses but has a different role ***/
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/*****************************************************************************/
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bool Enr_DB_CheckIfUsrSharesAnyOfMyCrsWithDifferentRole (long UsrCod)
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{
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bool UsrSharesAnyOfMyCrsWithDifferentRole;
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/***** 1. Fast check: Am I logged? *****/
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if (!Gbl.Usrs.Me.Logged)
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return false;
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/***** 2. Slow check: Get if user shares any course with me
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with a different role, from database *****/
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/* Fill the list with the courses I belong to (if not already filled) */
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Hie_GetMyHierarchy (Hie_CRS);
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/* Remove temporary table if exists */
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DB_DropTmpTable ("usr_courses_tmp");
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/* Create temporary table with all user's courses for a role */
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DB_CreateTmpTable ("CREATE TEMPORARY TABLE IF NOT EXISTS usr_courses_tmp "
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"(CrsCod INT NOT NULL,Role TINYINT NOT NULL,"
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"UNIQUE INDEX(CrsCod,Role)) ENGINE=MEMORY"
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" SELECT CrsCod,"
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"Role"
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" FROM crs_users"
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" WHERE UsrCod=%ld",
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UsrCod);
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/* Get if a user shares any course with me from database */
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UsrSharesAnyOfMyCrsWithDifferentRole =
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DB_QueryEXISTS ("can not check if a user shares any course with you",
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"SELECT EXISTS"
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"(SELECT *"
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" FROM my_courses_tmp,"
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"usr_courses_tmp"
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" WHERE my_courses_tmp.CrsCod=usr_courses_tmp.CrsCod"
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" AND my_courses_tmp.Role<>usr_courses_tmp.Role)");
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/* Remove temporary table if exists */
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DB_DropTmpTable ("usr_courses_tmp");
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return UsrSharesAnyOfMyCrsWithDifferentRole;
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}
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/*****************************************************************************/
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/******** Get the user's code of a random student from current course ********/
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/*****************************************************************************/
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// Returns user's code or -1 if no user found
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long Enr_DB_GetRamdomStdFromCrs (long HieCod)
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{
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return DB_QuerySELECTCode ("can not get a random student from a course",
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"SELECT UsrCod"
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" FROM crs_users"
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" WHERE CrsCod=%ld"
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" AND Role=%u"
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" ORDER BY RAND()"
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" LIMIT 1",
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HieCod,
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(unsigned) Rol_STD);
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}
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/*****************************************************************************/
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/*********** Get all user codes belonging to the current course **************/
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/*****************************************************************************/
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unsigned Enr_DB_GetUsrsFromCurrentCrs (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 users from current course",
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"SELECT UsrCod"
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" FROM crs_users"
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" WHERE CrsCod=%ld",
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Gbl.Hierarchy.Node[Hie_CRS].HieCod);
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}
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/*****************************************************************************/
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/******* Get all user codes belonging to the current course, except me *******/
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/*****************************************************************************/
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unsigned Enr_DB_GetUsrsFromCurrentCrsExceptMe (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 users from current course",
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"SELECT UsrCod"
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" FROM crs_users"
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" WHERE CrsCod=%ld"
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" AND UsrCod<>%ld",
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Gbl.Hierarchy.Node[Hie_CRS].HieCod,
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Gbl.Usrs.Me.UsrDat.UsrCod);
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}
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/*****************************************************************************/
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/***** Get all teachers codes belonging to the current course, except me *****/
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/*****************************************************************************/
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unsigned Enr_DB_GetTchsFromCurrentCrsExceptMe (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 teachers from current course",
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"SELECT UsrCod"
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" FROM crs_users"
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" WHERE CrsCod=%ld"
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" AND UsrCod<>%ld"
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" AND Role=%u", // Teachers only
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Gbl.Hierarchy.Node[Hie_CRS].HieCod,
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Gbl.Usrs.Me.UsrDat.UsrCod,
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(unsigned) Rol_TCH);
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}
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/*****************************************************************************/
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/********************* Get number of courses of a user ***********************/
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/*****************************************************************************/
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unsigned Enr_DB_GetNumCrssOfUsr (long UsrCod)
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{
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return (unsigned)
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DB_QueryCOUNT ("can not get the number of courses of a user",
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"SELECT COUNT(*)"
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" FROM crs_users"
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" WHERE UsrCod=%ld",
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UsrCod);
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}
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/*****************************************************************************/
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/*************** Get number of courses of a user not accepted ****************/
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/*****************************************************************************/
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unsigned Enr_DB_GetNumCrssOfUsrNotAccepted (long UsrCod)
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{
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return (unsigned)
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DB_QueryCOUNT ("can not get the number of courses of a user",
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"SELECT COUNT(*)"
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" FROM crs_users"
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" WHERE UsrCod=%ld"
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" AND Accepted='N'",
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UsrCod);
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}
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/*****************************************************************************/
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/********* Get number of courses in with a user have a given role ************/
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/*****************************************************************************/
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unsigned Enr_DB_GetNumCrssOfUsrWithARole (long UsrCod,Rol_Role_t Role)
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{
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return (unsigned)
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DB_QueryCOUNT ("can not get the number of courses of a user with a role",
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"SELECT COUNT(*)"
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" FROM crs_users"
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" WHERE UsrCod=%ld"
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" AND Role=%u",
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UsrCod,
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(unsigned) Role);
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}
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/*****************************************************************************/
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/********* Get number of courses in with a user have a given role ************/
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/*****************************************************************************/
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unsigned Enr_DB_GetNumCrssOfUsrWithARoleNotAccepted (long UsrCod,Rol_Role_t Role)
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{
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return (unsigned)
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DB_QueryCOUNT ("can not get the number of courses of a user with a role",
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"SELECT COUNT(*)"
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" FROM crs_users"
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" WHERE UsrCod=%ld"
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" AND Role=%u"
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" AND Accepted='N'",
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UsrCod,
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(unsigned) Role);
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}
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/*****************************************************************************/
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/****** Get number of users with some given roles in courses of a user *******/
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/*****************************************************************************/
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#define Enr_DB_MAX_BYTES_ROLES_STR (Rol_NUM_ROLES * (Cns_MAX_DIGITS_UINT + 1))
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unsigned Enr_DB_GetNumUsrsInCrssOfAUsr (long UsrCod,Rol_Role_t UsrRole,
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unsigned OthersRoles)
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{
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Rol_Role_t Role;
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char UnsignedStr[Cns_MAX_DIGITS_UINT + 1];
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char OthersRolesStr[Enr_DB_MAX_BYTES_ROLES_STR + 1];
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char SubQueryRole[64];
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unsigned NumUsrs;
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// This query can be made in a unique, but slower, query
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// The temporary table achieves speedup from ~2s to few ms
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/***** Remove temporary table if exists *****/
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DB_DropTmpTable ("usr_courses_tmp");
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/***** Create temporary table with all user's courses
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as student/non-editing teacher/teacher *****/
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switch (UsrRole)
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{
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case Rol_STD: // Student
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case Rol_NET: // Non-editing teacher
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case Rol_TCH: // Teacher
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sprintf (SubQueryRole," AND Role=%u",
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(unsigned) UsrRole);
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break;
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default:
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SubQueryRole[0] = '\0';
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Err_WrongRoleExit ();
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break;
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}
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DB_CreateTmpTable ("CREATE TEMPORARY TABLE IF NOT EXISTS usr_courses_tmp"
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" (CrsCod INT NOT NULL,UNIQUE INDEX (CrsCod))"
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" ENGINE=MEMORY"
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" SELECT CrsCod"
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" FROM crs_users"
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" WHERE UsrCod=%ld"
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"%s",
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UsrCod,
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SubQueryRole);
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/***** Get the number of students/teachers in a course from database ******/
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OthersRolesStr[0] = '\0';
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for (Role = Rol_STD; // First possible role in a course
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Role <= Rol_TCH; // Last possible role in a course
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Role++)
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if ((OthersRoles & (1 << Role)))
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{
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sprintf (UnsignedStr,"%u",(unsigned) Role);
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if (OthersRolesStr[0]) // Not empty
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Str_Concat (OthersRolesStr,",",sizeof (OthersRolesStr) - 1);
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Str_Concat (OthersRolesStr,UnsignedStr,sizeof (OthersRolesStr) - 1);
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}
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NumUsrs = (unsigned)
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DB_QueryCOUNT ("can not get number of users",
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"SELECT COUNT(DISTINCT crs_users.UsrCod)"
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" FROM crs_users,"
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"usr_courses_tmp"
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" WHERE crs_users.CrsCod=usr_courses_tmp.CrsCod"
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" AND crs_users.Role IN (%s)",
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OthersRolesStr);
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/***** Remove temporary table *****/
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DB_DropTmpTable ("usr_courses_tmp");
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return NumUsrs;
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}
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/*****************************************************************************/
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/******* Get total number of users of one or several roles in courses ********/
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/*****************************************************************************/
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#define Enr_DB_MAX_BYTES_SUBQUERY_ROLES (Rol_NUM_ROLES * (10 + 1) - 1)
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unsigned Enr_DB_GetNumUsrsInCrss (Hie_Level_t Level,long Cod,unsigned Roles,
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bool AnyUserInCourses)
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{
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char UnsignedStr[Cns_MAX_DIGITS_UINT + 1];
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char SubQueryRoles[Enr_DB_MAX_BYTES_SUBQUERY_ROLES + 1];
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bool FirstRole;
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bool MoreThanOneRole;
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Rol_Role_t Role;
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Rol_Role_t FirstRoleRequested;
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/***** Get first role requested *****/
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FirstRoleRequested = Rol_UNK;
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for (Role = Rol_STD;
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Role <= Rol_TCH;
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Role++)
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if (Roles & (1 << Role))
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{
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FirstRoleRequested = Role;
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break;
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}
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/***** Check if more than one role is requested *****/
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MoreThanOneRole = false;
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if (FirstRoleRequested != Rol_UNK)
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for (Role = FirstRoleRequested + 1;
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Role <= Rol_TCH;
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Role++)
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if (Roles & (1 << Role))
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{
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MoreThanOneRole = true;
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break;
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}
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/***** Build subquery for roles *****/
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if (MoreThanOneRole)
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{
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Str_Copy (SubQueryRoles," IN (",sizeof (SubQueryRoles) - 1);
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for (Role = Rol_STD, FirstRole = true;
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Role <= Rol_TCH;
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Role++)
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if (Roles & (1 << Role))
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{
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snprintf (UnsignedStr,sizeof (UnsignedStr),"%u",(unsigned) Role);
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if (FirstRole) // Not the first role
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FirstRole = false;
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else
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Str_Concat (SubQueryRoles,",",sizeof (SubQueryRoles) - 1);
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Str_Concat (SubQueryRoles,UnsignedStr,sizeof (SubQueryRoles) - 1);
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}
|
|
Str_Concat (SubQueryRoles,")",sizeof (SubQueryRoles) - 1);
|
|
}
|
|
else // Only one role
|
|
sprintf (SubQueryRoles,"=%u",FirstRoleRequested);
|
|
|
|
/***** Get number of users from database *****/
|
|
switch (Level)
|
|
{
|
|
case Hie_SYS:
|
|
if (AnyUserInCourses) // Any user
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of users",
|
|
"SELECT COUNT(DISTINCT UsrCod)"
|
|
" FROM crs_users");
|
|
else
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of users",
|
|
"SELECT COUNT(DISTINCT UsrCod)"
|
|
" FROM crs_users"
|
|
" WHERE Role"
|
|
"%s",
|
|
SubQueryRoles);
|
|
case Hie_CTY:
|
|
if (AnyUserInCourses) // Any user
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of users",
|
|
"SELECT COUNT(DISTINCT crs_users.UsrCod)"
|
|
" FROM ins_instits,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" 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=crs_users.CrsCod",
|
|
Cod);
|
|
else
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of users",
|
|
"SELECT COUNT(DISTINCT crs_users.UsrCod)"
|
|
" FROM ins_instits,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" 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=crs_users.CrsCod"
|
|
" AND crs_users.Role"
|
|
"%s",
|
|
Cod,
|
|
SubQueryRoles);
|
|
case Hie_INS:
|
|
if (AnyUserInCourses) // Any user
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of users",
|
|
"SELECT COUNT(DISTINCT crs_users.UsrCod)"
|
|
" FROM ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" WHERE ctr_centers.InsCod=%ld"
|
|
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod",
|
|
Cod);
|
|
else
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of users",
|
|
"SELECT COUNT(DISTINCT crs_users.UsrCod)"
|
|
" FROM ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" WHERE ctr_centers.InsCod=%ld"
|
|
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" AND crs_users.Role"
|
|
"%s",
|
|
Cod,
|
|
SubQueryRoles);
|
|
case Hie_CTR:
|
|
if (AnyUserInCourses) // Any user
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of users",
|
|
"SELECT COUNT(DISTINCT crs_users.UsrCod)"
|
|
" FROM deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" WHERE deg_degrees.CtrCod=%ld"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod",
|
|
Cod);
|
|
else
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of users",
|
|
"SELECT COUNT(DISTINCT crs_users.UsrCod)"
|
|
" FROM deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" WHERE deg_degrees.CtrCod=%ld"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" AND crs_users.Role"
|
|
"%s",
|
|
Cod,
|
|
SubQueryRoles);
|
|
case Hie_DEG:
|
|
if (AnyUserInCourses) // Any user
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of users",
|
|
"SELECT COUNT(DISTINCT crs_users.UsrCod)"
|
|
" FROM crs_courses,"
|
|
"crs_users"
|
|
" WHERE crs_courses.DegCod=%ld"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod",
|
|
Cod);
|
|
else
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of users",
|
|
"SELECT COUNT(DISTINCT crs_users.UsrCod)"
|
|
" FROM crs_courses,"
|
|
"crs_users"
|
|
" WHERE crs_courses.DegCod=%ld"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" AND crs_users.Role"
|
|
"%s",
|
|
Cod,
|
|
SubQueryRoles);
|
|
case Hie_CRS:
|
|
if (AnyUserInCourses) // Any user
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of users",
|
|
"SELECT COUNT(DISTINCT UsrCod)"
|
|
" FROM crs_users"
|
|
" WHERE CrsCod=%ld",
|
|
Cod);
|
|
else
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of users",
|
|
"SELECT COUNT(DISTINCT UsrCod)"
|
|
" FROM crs_users"
|
|
" WHERE CrsCod=%ld"
|
|
" AND Role"
|
|
"%s",
|
|
Cod,
|
|
SubQueryRoles);
|
|
default:
|
|
Err_WrongHierarchyLevelExit ();
|
|
return 0; // Not reached
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******** Get total number of users who do not belong to any course **********/
|
|
/*****************************************************************************/
|
|
|
|
unsigned Enr_DB_GetNumUsrsNotBelongingToAnyCrs (void)
|
|
{
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of users"
|
|
" who do not belong to any course",
|
|
"SELECT COUNT(*)"
|
|
" FROM usr_data"
|
|
" WHERE UsrCod NOT IN"
|
|
" (SELECT DISTINCT "
|
|
"UsrCod"
|
|
" FROM crs_users)");
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************ Get average number of courses with users of a type *************/
|
|
/*****************************************************************************/
|
|
|
|
double Enr_DB_GetAverageNumUsrsPerCrs (Hie_Level_t Level,long Cod,Rol_Role_t Role)
|
|
{
|
|
switch (Level)
|
|
{
|
|
case Hie_SYS:
|
|
if (Role == Rol_UNK) // Any user
|
|
return DB_QuerySELECTDouble ("can not get number of users per course",
|
|
"SELECT AVG(NumUsrs)"
|
|
" FROM (SELECT COUNT(UsrCod) AS NumUsrs"
|
|
" FROM crs_users"
|
|
" GROUP BY CrsCod) AS NumUsrsTable");
|
|
else
|
|
return DB_QuerySELECTDouble ("can not get number of users per course",
|
|
"SELECT AVG(NumUsrs)"
|
|
" FROM (SELECT COUNT(UsrCod) AS NumUsrs"
|
|
" FROM crs_users"
|
|
" WHERE Role=%u"
|
|
" GROUP BY CrsCod) AS NumUsrsTable",
|
|
(unsigned) Role);
|
|
case Hie_CTY:
|
|
if (Role == Rol_UNK) // Any user
|
|
return DB_QuerySELECTDouble ("can not get number of users per course",
|
|
"SELECT AVG(NumUsrs)"
|
|
" FROM (SELECT COUNT(crs_users.UsrCod) AS NumUsrs"
|
|
" FROM ins_instits,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" 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=crs_users.CrsCod"
|
|
" GROUP BY crs_users.CrsCod) AS NumUsrsTable",
|
|
Cod);
|
|
else
|
|
return DB_QuerySELECTDouble ("can not get number of users per course",
|
|
"SELECT AVG(NumUsrs)"
|
|
" FROM (SELECT COUNT(crs_users.UsrCod) AS NumUsrs"
|
|
" FROM ins_instits,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" 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=crs_users.CrsCod"
|
|
" AND crs_users.Role=%u"
|
|
" GROUP BY crs_users.CrsCod) AS NumUsrsTable",
|
|
Cod,
|
|
(unsigned) Role);
|
|
case Hie_INS:
|
|
if (Role == Rol_UNK) // Any user
|
|
return DB_QuerySELECTDouble ("can not get number of users per course",
|
|
"SELECT AVG(NumUsrs)"
|
|
" FROM (SELECT COUNT(crs_users.UsrCod) AS NumUsrs"
|
|
" FROM ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" WHERE ctr_centers.InsCod=%ld"
|
|
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" GROUP BY crs_users.CrsCod) AS NumUsrsTable",
|
|
Cod);
|
|
else
|
|
return DB_QuerySELECTDouble ("can not get number of users per course",
|
|
"SELECT AVG(NumUsrs)"
|
|
" FROM (SELECT COUNT(crs_users.UsrCod) AS NumUsrs"
|
|
" FROM ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" WHERE ctr_centers.InsCod=%ld"
|
|
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" AND crs_users.Role=%u"
|
|
" GROUP BY crs_users.CrsCod) AS NumUsrsTable",
|
|
Cod,
|
|
(unsigned) Role);
|
|
case Hie_CTR:
|
|
if (Role == Rol_UNK) // Any user
|
|
return DB_QuerySELECTDouble ("can not get number of users per course",
|
|
"SELECT AVG(NumUsrs)"
|
|
" FROM (SELECT COUNT(crs_users.UsrCod) AS NumUsrs"
|
|
" FROM deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" WHERE deg_degrees.CtrCod=%ld"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" GROUP BY crs_users.CrsCod) AS NumUsrsTable",
|
|
Cod);
|
|
else
|
|
return DB_QuerySELECTDouble ("can not get number of users per course",
|
|
"SELECT AVG(NumUsrs)"
|
|
" FROM (SELECT COUNT(crs_users.UsrCod) AS NumUsrs"
|
|
" FROM deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" WHERE deg_degrees.CtrCod=%ld"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" AND crs_users.Role=%u"
|
|
" GROUP BY crs_users.CrsCod) AS NumUsrsTable",
|
|
Cod,
|
|
(unsigned) Role);
|
|
case Hie_DEG:
|
|
if (Role == Rol_UNK) // Any user
|
|
return DB_QuerySELECTDouble ("can not get number of users per course",
|
|
"SELECT AVG(NumUsrs)"
|
|
" FROM (SELECT COUNT(crs_users.UsrCod) AS NumUsrs"
|
|
" FROM crs_courses,"
|
|
"crs_users"
|
|
" WHERE crs_courses.DegCod=%ld"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" GROUP BY crs_users.CrsCod) AS NumUsrsTable",
|
|
Cod);
|
|
else
|
|
return DB_QuerySELECTDouble ("can not get number of users per course",
|
|
"SELECT AVG(NumUsrs)"
|
|
" FROM (SELECT COUNT(crs_users.UsrCod) AS NumUsrs"
|
|
" FROM crs_courses,"
|
|
"crs_users"
|
|
" WHERE crs_courses.DegCod=%ld"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" AND crs_users.Role=%u"
|
|
" GROUP BY crs_users.CrsCod) AS NumUsrsTable",
|
|
Cod,
|
|
(unsigned) Role);
|
|
case Hie_CRS:
|
|
return (double) Enr_GetNumUsrsInCrss (Hie_CRS,Cod,
|
|
Role == Rol_UNK ? 1 << Rol_STD |
|
|
1 << Rol_NET |
|
|
1 << Rol_TCH : // Any user
|
|
1 << Role);
|
|
|
|
default:
|
|
Err_WrongHierarchyLevelExit ();
|
|
return 0.0; // Not reached
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************ Get average number of courses with users of a role *************/
|
|
/*****************************************************************************/
|
|
|
|
double Enr_DB_GetAverageNumCrssPerUsr (Hie_Level_t Level,long Cod,Rol_Role_t Role)
|
|
{
|
|
switch (Level)
|
|
{
|
|
case Hie_SYS:
|
|
if (Role == Rol_UNK) // Any user
|
|
return DB_QuerySELECTDouble ("can not get number of courses per user",
|
|
"SELECT AVG(NumCrss)"
|
|
" FROM (SELECT COUNT(CrsCod) AS NumCrss"
|
|
" FROM crs_users"
|
|
" GROUP BY UsrCod) AS NumCrssTable");
|
|
else
|
|
return DB_QuerySELECTDouble ("can not get number of courses per user",
|
|
"SELECT AVG(NumCrss)"
|
|
" FROM (SELECT COUNT(CrsCod) AS NumCrss"
|
|
" FROM crs_users"
|
|
" WHERE Role=%u"
|
|
" GROUP BY UsrCod) AS NumCrssTable",
|
|
(unsigned) Role);
|
|
case Hie_CTY:
|
|
if (Role == Rol_UNK) // Any user
|
|
return DB_QuerySELECTDouble ("can not get number of courses per user",
|
|
"SELECT AVG(NumCrss)"
|
|
" FROM (SELECT COUNT(crs_users.CrsCod) AS NumCrss"
|
|
" FROM ins_instits,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" 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=crs_users.CrsCod"
|
|
" GROUP BY crs_users.UsrCod) AS NumCrssTable",
|
|
Cod);
|
|
else
|
|
return DB_QuerySELECTDouble ("can not get number of courses per user",
|
|
"SELECT AVG(NumCrss)"
|
|
" FROM (SELECT COUNT(crs_users.CrsCod) AS NumCrss"
|
|
" FROM ins_instits,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" 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=crs_users.CrsCod"
|
|
" AND crs_users.Role=%u"
|
|
" GROUP BY crs_users.UsrCod) AS NumCrssTable",
|
|
Cod,
|
|
(unsigned) Role);
|
|
case Hie_INS:
|
|
if (Role == Rol_UNK) // Any user
|
|
return DB_QuerySELECTDouble ("can not get number of courses per user",
|
|
"SELECT AVG(NumCrss)"
|
|
" FROM (SELECT COUNT(crs_users.CrsCod) AS NumCrss"
|
|
" FROM ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" WHERE ctr_centers.InsCod=%ld"
|
|
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" GROUP BY crs_users.UsrCod) AS NumCrssTable",
|
|
Cod);
|
|
else
|
|
return DB_QuerySELECTDouble ("can not get number of courses per user",
|
|
"SELECT AVG(NumCrss)"
|
|
" FROM (SELECT COUNT(crs_users.CrsCod) AS NumCrss"
|
|
" FROM ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" WHERE ctr_centers.InsCod=%ld"
|
|
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" AND crs_users.Role=%u"
|
|
" GROUP BY crs_users.UsrCod) AS NumCrssTable",
|
|
Cod,
|
|
(unsigned) Role);
|
|
case Hie_CTR:
|
|
if (Role == Rol_UNK) // Any user
|
|
return DB_QuerySELECTDouble ("can not get number of courses per user",
|
|
"SELECT AVG(NumCrss)"
|
|
" FROM (SELECT COUNT(crs_users.CrsCod) AS NumCrss"
|
|
" FROM deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" WHERE deg_degrees.CtrCod=%ld"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" GROUP BY crs_users.UsrCod) AS NumCrssTable",
|
|
Cod);
|
|
else
|
|
return DB_QuerySELECTDouble ("can not get number of courses per user",
|
|
"SELECT AVG(NumCrss)"
|
|
" FROM (SELECT COUNT(crs_users.CrsCod) AS NumCrss"
|
|
" FROM deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" WHERE deg_degrees.CtrCod=%ld"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" AND crs_users.Role=%u"
|
|
" GROUP BY crs_users.UsrCod) AS NumCrssTable",
|
|
Cod,
|
|
(unsigned) Role);
|
|
case Hie_DEG:
|
|
if (Role == Rol_UNK) // Any user
|
|
return DB_QuerySELECTDouble ("can not get number of courses per user",
|
|
"SELECT AVG(NumCrss)"
|
|
" FROM (SELECT COUNT(crs_users.CrsCod) AS NumCrss"
|
|
" FROM crs_courses,"
|
|
"crs_users"
|
|
" WHERE crs_courses.DegCod=%ld"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" GROUP BY crs_users.UsrCod) AS NumCrssTable",
|
|
Cod);
|
|
else
|
|
return DB_QuerySELECTDouble ("can not get number of courses per user",
|
|
"SELECT AVG(NumCrss)"
|
|
" FROM (SELECT COUNT(crs_users.CrsCod) AS NumCrss"
|
|
" FROM crs_courses,"
|
|
"crs_users"
|
|
" WHERE crs_courses.DegCod=%ld"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod"
|
|
" AND crs_users.Role=%u"
|
|
" GROUP BY crs_users.UsrCod) AS NumCrssTable",
|
|
Cod,
|
|
(unsigned) Role);
|
|
case Hie_CRS:
|
|
return 1.0;
|
|
default:
|
|
Err_WrongHierarchyLevelExit ();
|
|
return 0.0; // Not reached
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************** Remove user from course **************************/
|
|
/*****************************************************************************/
|
|
|
|
void Enr_DB_RemUsrFromCrs (long UsrCod,long HieCod)
|
|
{
|
|
DB_QueryDELETE ("can not remove a user from a course",
|
|
"DELETE FROM crs_users"
|
|
" WHERE CrsCod=%ld"
|
|
" AND UsrCod=%ld",
|
|
HieCod,
|
|
UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************ Remove a user from a course ************************/
|
|
/*****************************************************************************/
|
|
|
|
void Enr_DB_RemUsrFromAllCrss (long UsrCod)
|
|
{
|
|
DB_QueryDELETE ("can not remove a user from all courses",
|
|
"DELETE FROM crs_users"
|
|
" WHERE UsrCod=%ld",
|
|
UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*************** Remove all users from settings in a course ******************/
|
|
/*****************************************************************************/
|
|
|
|
void Enr_DB_RemAllUsrsFromCrs (long HieCod)
|
|
{
|
|
DB_QueryDELETE ("can not remove users from a course",
|
|
"DELETE FROM crs_users"
|
|
" WHERE CrsCod=%ld",
|
|
HieCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************ Create my enrolment request in the current course **************/
|
|
/*****************************************************************************/
|
|
|
|
long Enr_DB_CreateMyEnrolmentRequestInCurrentCrs (Rol_Role_t NewRole)
|
|
{
|
|
return
|
|
DB_QueryINSERTandReturnCode ("can not save enrolment request",
|
|
"INSERT INTO crs_requests"
|
|
" (CrsCod,UsrCod,Role,RequestTime)"
|
|
" VALUES"
|
|
" (%ld,%ld,%u,NOW())",
|
|
Gbl.Hierarchy.Node[Hie_CRS].HieCod,
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
(unsigned) NewRole);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************* Update my enrolment request in the current course *************/
|
|
/*****************************************************************************/
|
|
|
|
void Enr_DB_UpdateMyEnrolmentRequestInCurrentCrs (long ReqCod,Rol_Role_t NewRole)
|
|
{
|
|
DB_QueryUPDATE ("can not update enrolment request",
|
|
"UPDATE crs_requests"
|
|
" SET Role=%u,"
|
|
"RequestTime=NOW()"
|
|
" WHERE ReqCod=%ld"
|
|
" AND CrsCod=%ld"
|
|
" AND UsrCod=%ld",
|
|
(unsigned) NewRole,
|
|
ReqCod,
|
|
Gbl.Hierarchy.Node[Hie_CRS].HieCod,
|
|
Gbl.Usrs.Me.UsrDat.UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********* Set a user's acceptation to true in the current course ************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned Enr_DB_GetEnrolmentRequests (MYSQL_RES **mysql_res,unsigned RolesSelected)
|
|
{
|
|
switch (Gbl.Scope.Current)
|
|
{
|
|
case Hie_SYS: // Show requesters for the whole platform
|
|
switch (Gbl.Usrs.Me.Role.Logged)
|
|
{
|
|
case Rol_TCH:
|
|
// Requests in all courses in which I am teacher
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM crs_users,"
|
|
"crs_requests"
|
|
" WHERE crs_users.UsrCod=%ld"
|
|
" AND crs_users.Role=%u"
|
|
" AND crs_users.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
(unsigned) Rol_TCH,
|
|
RolesSelected);
|
|
case Rol_DEG_ADM:
|
|
// Requests in all degrees administrated by me
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM usr_admins,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE usr_admins.UsrCod=%ld"
|
|
" AND usr_admins.Scope='%s'"
|
|
" AND usr_admins.Cod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,Hie_GetDBStrFromLevel (Hie_DEG),
|
|
RolesSelected);
|
|
case Rol_CTR_ADM:
|
|
// Requests in all centers administrated by me
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM usr_admins,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE usr_admins.UsrCod=%ld"
|
|
" AND usr_admins.Scope='%s'"
|
|
" AND usr_admins.Cod=deg_degrees.CtrCod"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,Hie_GetDBStrFromLevel (Hie_CTR),
|
|
RolesSelected);
|
|
case Rol_INS_ADM:
|
|
// Requests in all institutions administrated by me
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM usr_admins,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE usr_admins.UsrCod=%ld"
|
|
" AND usr_admins.Scope='%s'"
|
|
" AND usr_admins.Cod=ctr_centers.InsCod"
|
|
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,Hie_GetDBStrFromLevel (Hie_INS),
|
|
RolesSelected);
|
|
case Rol_SYS_ADM:
|
|
// All requests
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT ReqCod," // row[0]
|
|
"CrsCod," // row[1]
|
|
"UsrCod," // row[2]
|
|
"Role," // row[3]
|
|
"UNIX_TIMESTAMP(RequestTime)" // row[4]
|
|
" FROM crs_requests"
|
|
" WHERE ((1<<Role)&%u)<>0"
|
|
" ORDER BY RequestTime DESC",
|
|
RolesSelected);
|
|
default:
|
|
Err_NoPermissionExit ();
|
|
return 0; // Not reached
|
|
}
|
|
break;
|
|
case Hie_CTY: // Show requesters for the current country
|
|
switch (Gbl.Usrs.Me.Role.Logged)
|
|
{
|
|
case Rol_TCH:
|
|
// Requests in courses of this country in which I am teacher
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // roe[4]
|
|
" FROM crs_users,"
|
|
"ins_instits,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE crs_users.UsrCod=%ld"
|
|
" AND crs_users.Role=%u"
|
|
" AND crs_users.CrsCod=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=ins_instits.InsCod"
|
|
" AND ins_instits.CtyCod=%ld"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
(unsigned) Rol_TCH,
|
|
Gbl.Hierarchy.Node[Hie_CTY].HieCod,
|
|
RolesSelected);
|
|
case Rol_DEG_ADM:
|
|
// Requests in degrees of this country administrated by me
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM usr_admins,"
|
|
"ins_instits,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE usr_admins.UsrCod=%ld"
|
|
" AND usr_admins.Scope='%s'"
|
|
" AND usr_admins.Cod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=ins_instits.InsCod"
|
|
" AND ins_instits.CtyCod=%ld"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
Hie_GetDBStrFromLevel (Hie_DEG),
|
|
Gbl.Hierarchy.Node[Hie_CTY].HieCod,
|
|
RolesSelected);
|
|
case Rol_CTR_ADM:
|
|
// Requests in centers of this country administrated by me
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM usr_admins,"
|
|
"ins_instits,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE usr_admins.UsrCod=%ld"
|
|
" AND usr_admins.Scope='%s'"
|
|
" AND usr_admins.Cod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=ins_instits.InsCod"
|
|
" AND ins_instits.CtyCod=%ld"
|
|
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
Hie_GetDBStrFromLevel (Hie_CTR),
|
|
Gbl.Hierarchy.Node[Hie_CTY].HieCod,
|
|
RolesSelected);
|
|
case Rol_INS_ADM:
|
|
// Requests in institutions of this country administrated by me
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM usr_admins,"
|
|
"ins_instits,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE usr_admins.UsrCod=%ld"
|
|
" AND usr_admins.Scope='%s'"
|
|
" AND usr_admins.Cod=ins_instits.InsCod"
|
|
" AND 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=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
Hie_GetDBStrFromLevel (Hie_INS),
|
|
Gbl.Hierarchy.Node[Hie_CTY].HieCod,
|
|
RolesSelected);
|
|
case Rol_SYS_ADM:
|
|
// Requests in any course of this country
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM ins_instits,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" 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=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Hierarchy.Node[Hie_CTY].HieCod,
|
|
RolesSelected);
|
|
default:
|
|
Err_NoPermissionExit ();
|
|
return 0; // Not reached
|
|
}
|
|
return 0; // Not reached
|
|
case Hie_INS: // Show requesters for the current institution
|
|
switch (Gbl.Usrs.Me.Role.Logged)
|
|
{
|
|
case Rol_TCH:
|
|
// Requests in courses of this institution in which I am teacher
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM crs_users,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE crs_users.UsrCod=%ld"
|
|
" AND crs_users.Role=%u"
|
|
" AND crs_users.CrsCod=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=%ld"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
(unsigned) Rol_TCH,
|
|
Gbl.Hierarchy.Node[Hie_INS].HieCod,
|
|
RolesSelected);
|
|
case Rol_DEG_ADM:
|
|
// Requests in degrees of this institution administrated by me
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM usr_admins,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE usr_admins.UsrCod=%ld"
|
|
" AND usr_admins.Scope='%s'"
|
|
" AND usr_admins.Cod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=%ld"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
Hie_GetDBStrFromLevel (Hie_DEG),
|
|
Gbl.Hierarchy.Node[Hie_INS].HieCod,
|
|
RolesSelected);
|
|
case Rol_CTR_ADM:
|
|
// Requests in centers of this institution administrated by me
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM usr_admins,"
|
|
"ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE usr_admins.UsrCod=%ld"
|
|
" AND usr_admins.Scope='%s'"
|
|
" AND usr_admins.Cod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=%ld"
|
|
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,Hie_GetDBStrFromLevel (Hie_CTR),
|
|
Gbl.Hierarchy.Node[Hie_INS].HieCod,
|
|
RolesSelected);
|
|
case Rol_INS_ADM: // If I am logged as admin of this institution, I can view all requesters from this institution
|
|
case Rol_SYS_ADM:
|
|
// Requests in any course of this institution
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM ctr_centers,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE ctr_centers.InsCod=%ld"
|
|
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Hierarchy.Node[Hie_INS].HieCod,
|
|
RolesSelected);
|
|
default:
|
|
Err_NoPermissionExit ();
|
|
return 0; // Not reached
|
|
}
|
|
return 0; // Not reached
|
|
case Hie_CTR: // Show requesters for the current center
|
|
switch (Gbl.Usrs.Me.Role.Logged)
|
|
{
|
|
case Rol_TCH:
|
|
// Requests in courses of this center in which I am teacher
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM crs_users,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE crs_users.UsrCod=%ld"
|
|
" AND crs_users.Role=%u"
|
|
" AND crs_users.CrsCod=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=%ld"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
(unsigned) Rol_TCH,
|
|
Gbl.Hierarchy.Node[Hie_CTR].HieCod,
|
|
RolesSelected);
|
|
case Rol_DEG_ADM:
|
|
// Requests in degrees of this center administrated by me
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM usr_admins,"
|
|
"deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE usr_admins.UsrCod=%ld"
|
|
" AND usr_admins.Scope='%s'"
|
|
" AND usr_admins.Cod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=%ld"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
Hie_GetDBStrFromLevel (Hie_DEG),
|
|
Gbl.Hierarchy.Node[Hie_CTR].HieCod,
|
|
RolesSelected);
|
|
case Rol_CTR_ADM: // If I am logged as admin of this center , I can view all requesters from this center
|
|
case Rol_INS_ADM: // If I am logged as admin of this institution, I can view all requesters from this center
|
|
case Rol_SYS_ADM:
|
|
// Request in any course of this center
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE deg_degrees.CtrCod=%ld"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Hierarchy.Node[Hie_CTR].HieCod,
|
|
RolesSelected);
|
|
default:
|
|
Err_NoPermissionExit ();
|
|
return 0; // Not reached
|
|
}
|
|
return 0; // Not reached
|
|
case Hie_DEG: // Show requesters for the current degree
|
|
switch (Gbl.Usrs.Me.Role.Logged)
|
|
{
|
|
case Rol_TCH:
|
|
// Requests in courses of this degree in which I am teacher
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM crs_users,"
|
|
"crs_courses,"
|
|
"crs_requests"
|
|
" WHERE crs_users.UsrCod=%ld"
|
|
" AND crs_users.Role=%u"
|
|
" AND crs_users.CrsCod=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=%ld"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
(unsigned) Rol_TCH,
|
|
Gbl.Hierarchy.Node[Hie_DEG].HieCod,
|
|
RolesSelected);
|
|
case Rol_DEG_ADM: // If I am logged as admin of this degree , I can view all requesters from this degree
|
|
case Rol_CTR_ADM: // If I am logged as admin of this center , I can view all requesters from this degree
|
|
case Rol_INS_ADM: // If I am logged as admin of this institution, I can view all requesters from this degree
|
|
case Rol_SYS_ADM:
|
|
// Requests in any course of this degree
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT crs_requests.ReqCod," // row[0]
|
|
"crs_requests.CrsCod," // row[1]
|
|
"crs_requests.UsrCod," // row[2]
|
|
"crs_requests.Role," // row[3]
|
|
"UNIX_TIMESTAMP(crs_requests.RequestTime)" // row[4]
|
|
" FROM crs_courses,"
|
|
"crs_requests"
|
|
" WHERE crs_courses.DegCod=%ld"
|
|
" AND crs_courses.CrsCod=crs_requests.CrsCod"
|
|
" AND ((1<<crs_requests.Role)&%u)<>0"
|
|
" ORDER BY crs_requests.RequestTime DESC",
|
|
Gbl.Hierarchy.Node[Hie_DEG].HieCod,
|
|
RolesSelected);
|
|
default:
|
|
Err_NoPermissionExit ();
|
|
return 0; // Not reached
|
|
}
|
|
return 0; // Not reached
|
|
case Hie_CRS: // Show requesters for the current course
|
|
switch (Gbl.Usrs.Me.Role.Logged)
|
|
{
|
|
case Rol_TCH: // If I am logged as teacher of this course , I can view all requesters from this course
|
|
case Rol_DEG_ADM: // If I am logged as admin of this degree , I can view all requesters from this course
|
|
case Rol_CTR_ADM: // If I am logged as admin of this center , I can view all requesters from this course
|
|
case Rol_INS_ADM: // If I am logged as admin of this institution, I can view all requesters from this course
|
|
case Rol_SYS_ADM:
|
|
// Requests in this course
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get requests for enrolment",
|
|
"SELECT ReqCod," // row[0]
|
|
"CrsCod," // row[1]
|
|
"UsrCod," // row[2]
|
|
"Role," // row[3]
|
|
"UNIX_TIMESTAMP(RequestTime)" // row[4]
|
|
" FROM crs_requests"
|
|
" WHERE CrsCod=%ld"
|
|
" AND ((1<<Role)&%u)<>0"
|
|
" ORDER BY RequestTime DESC",
|
|
Gbl.Hierarchy.Node[Hie_CRS].HieCod,
|
|
RolesSelected);
|
|
default:
|
|
Err_NoPermissionExit ();
|
|
return 0; // Not reached
|
|
}
|
|
return 0; // Not reached
|
|
default:
|
|
Err_WrongHierarchyLevelExit ();
|
|
return 0; // Not reached
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****** Get enrolment request (user and requested role) given its code *******/
|
|
/*****************************************************************************/
|
|
|
|
unsigned Enr_DB_GetEnrolmentRequestByCod (MYSQL_RES **mysql_res,long ReqCod)
|
|
{
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get enrolment request",
|
|
"SELECT UsrCod," // row[0]
|
|
"Role" // row[1]
|
|
" FROM crs_requests"
|
|
" WHERE ReqCod=%ld",
|
|
ReqCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********** Try to get an enrolment request from a user in a course **********/
|
|
/*****************************************************************************/
|
|
|
|
long Enr_DB_GetUsrEnrolmentRequestInCrs (long UsrCod,long HieCod)
|
|
{
|
|
return
|
|
DB_QuerySELECTCode ("can not get enrolment request",
|
|
"SELECT ReqCod"
|
|
" FROM crs_requests"
|
|
" WHERE CrsCod=%ld"
|
|
" AND UsrCod=%ld",
|
|
HieCod,
|
|
UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************** Remove enrolment request *************************/
|
|
/*****************************************************************************/
|
|
|
|
void Enr_DB_RemRequest (long ReqCod)
|
|
{
|
|
DB_QueryDELETE ("can not remove a request for enrolment",
|
|
"DELETE FROM crs_requests"
|
|
" WHERE ReqCod=%ld",
|
|
ReqCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********** Remove all users' requests for inscription in a course **********/
|
|
/*****************************************************************************/
|
|
|
|
void Enr_DB_RemCrsRequests (long HieCod)
|
|
{
|
|
DB_QueryDELETE ("can not remove requests for inscription to a course",
|
|
"DELETE FROM crs_requests"
|
|
" WHERE CrsCod=%ld",
|
|
HieCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************ Remove user's requests for inscription from a course ***********/
|
|
/*****************************************************************************/
|
|
|
|
void Enr_DB_RemUsrRequests (long UsrCod)
|
|
{
|
|
DB_QueryDELETE ("can not remove user's requests for inscription",
|
|
"DELETE FROM crs_requests"
|
|
" WHERE UsrCod=%ld",
|
|
UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************* Remove expired requests for enrolment ******************/
|
|
/*****************************************************************************/
|
|
|
|
void Enr_DB_RemoveExpiredEnrolmentRequests (void)
|
|
{
|
|
/***** Mark possible notifications as removed
|
|
Important: do this before removing the request *****/
|
|
DB_QueryUPDATE ("can not set notification(s) as removed",
|
|
"UPDATE ntf_notifications,"
|
|
"crs_requests"
|
|
" SET ntf_notifications.Status=(ntf_notifications.Status | %u)"
|
|
" WHERE ntf_notifications.NotifyEvent=%u"
|
|
" AND ntf_notifications.Cod=crs_requests.ReqCod"
|
|
" AND crs_requests.RequestTime<FROM_UNIXTIME(UNIX_TIMESTAMP()-%lu)",
|
|
(unsigned) Ntf_STATUS_BIT_REMOVED,
|
|
(unsigned) Ntf_EVENT_ENROLMENT_REQUEST,
|
|
Cfg_TIME_TO_DELETE_ENROLMENT_REQUESTS);
|
|
|
|
/***** Remove expired requests for enrolment *****/
|
|
DB_QueryDELETE ("can not remove expired requests for enrolment",
|
|
"DELETE LOW_PRIORITY FROM crs_requests"
|
|
" WHERE RequestTime<FROM_UNIXTIME(UNIX_TIMESTAMP()-%lu)",
|
|
Cfg_TIME_TO_DELETE_ENROLMENT_REQUESTS);
|
|
}
|