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316 lines
12 KiB
C
316 lines
12 KiB
C
// swad_timetable_database.c: timetables, 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 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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#include "swad_action_list.h"
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#include "swad_database.h"
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#include "swad_global.h"
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#include "swad_timetable_database.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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/************************** Public constants and types ***********************/
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/*****************************************************************************/
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const char *Tmt_DB_ClassType[Tmt_NUM_CLASS_TYPES] =
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{
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[Tmt_FREE ] = "free",
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[Tmt_LECTURE ] = "lecture",
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[Tmt_PRACTICAL] = "practical",
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[Tmt_TUTORING ] = "tutoring",
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};
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/*****************************************************************************/
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/********************* Insert class in course timetable **********************/
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/*****************************************************************************/
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void Tmt_DB_InsertHourInCrsTimeTable (long CrsCod,
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const struct Tmt_Column *Column,
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unsigned Weekday,unsigned Hour,unsigned Min,
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unsigned SecondsPerInterval)
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{
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DB_QueryINSERT ("can not insert hour in course timetable",
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"INSERT INTO tmt_courses"
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" (CrsCod,GrpCod,Weekday,StartTime,Duration,"
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"ClassType,Info)"
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" VALUES"
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" (%ld,%ld,%u,'%02u:%02u:00',SEC_TO_TIME(%u),"
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"'%s','%s')",
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CrsCod,
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Column->GrpCod,
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Weekday,Hour,Min,
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Column->DurationIntervals * SecondsPerInterval,
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Tmt_DB_ClassType[Column->ClassType],
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Column->Info);
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}
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/*****************************************************************************/
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/********************* Insert class in course timetable **********************/
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/*****************************************************************************/
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void Tmt_DB_InsertHourInUsrTimeTable (long UsrCod,
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const struct Tmt_Column *Column,
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unsigned Weekday,unsigned Hour,unsigned Min,
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unsigned SecondsPerInterval)
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{
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DB_QueryINSERT ("can not insert hour in user timetable",
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"INSERT INTO tmt_tutoring"
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" (UsrCod,Weekday,StartTime,Duration,Info)"
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" VALUES"
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" (%ld,%u,'%02u:%02u:00',SEC_TO_TIME(%u),'%s')",
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UsrCod,
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Weekday,Hour,Min,
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Column->DurationIntervals * SecondsPerInterval,
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Column->Info);
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}
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/*****************************************************************************/
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/************************ Get timetable from database ************************/
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/*****************************************************************************/
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unsigned Tmt_DB_GetTimeTable (MYSQL_RES **mysql_res,
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Tmt_TimeTableType_t Type,long UsrCod)
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{
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switch (Type)
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{
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case Tmt_MY_TIMETABLE:
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switch (Gbl.Crs.Grps.WhichGrps)
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{
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case Grp_MY_GROUPS:
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get timetable",
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"SELECT tmt_courses.Weekday," // row[0]
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"TIME_TO_SEC(tmt_courses.StartTime) AS S," // row[1]
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"TIME_TO_SEC(tmt_courses.Duration) AS D," // row[2]
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"tmt_courses.Info," // row[3]
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"tmt_courses.ClassType," // row[4]
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"tmt_courses.GrpCod," // row[5]
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"tmt_courses.CrsCod" // row[6]
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" FROM crs_users,"
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"tmt_courses"
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" WHERE crs_users.UsrCod=%ld"
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" AND tmt_courses.GrpCod=-1"
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" AND tmt_courses.CrsCod=crs_users.CrsCod"
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" UNION DISTINCT "
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"SELECT tmt_courses.Weekday," // row[0]
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"TIME_TO_SEC(tmt_courses.StartTime) AS S," // row[1]
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"TIME_TO_SEC(tmt_courses.Duration) AS D," // row[2]
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"tmt_courses.Info," // row[3]
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"tmt_courses.ClassType," // row[4]
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"tmt_courses.GrpCod," // row[5]
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"tmt_courses.CrsCod" // row[6]
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" FROM grp_users,"
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"tmt_courses"
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" WHERE grp_users.UsrCod=%ld"
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" AND grp_users.GrpCod=tmt_courses.GrpCod"
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" UNION "
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"SELECT Weekday," // row[0]
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"TIME_TO_SEC(StartTime) AS S," // row[1]
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"TIME_TO_SEC(Duration) AS D," // row[2]
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"Info," // row[3]
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"'tutoring' AS ClassType," // row[4]
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"-1 AS GrpCod," // row[5]
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"-1 AS CrsCod" // row[6]
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" FROM tmt_tutoring"
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" WHERE UsrCod=%ld"
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" ORDER BY Weekday,"
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"S,"
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"ClassType,"
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"GrpCod,"
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"Info,"
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"D DESC,"
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"CrsCod",
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UsrCod,
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UsrCod,
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UsrCod);
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case Grp_ALL_GROUPS:
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get timetable",
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"SELECT tmt_courses.Weekday," // row[0]
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"TIME_TO_SEC(tmt_courses.StartTime) AS S," // row[1]
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"TIME_TO_SEC(tmt_courses.Duration) AS D," // row[2]
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"tmt_courses.Info," // row[3]
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"tmt_courses.ClassType," // row[4]
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"tmt_courses.GrpCod," // row[5]
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"tmt_courses.CrsCod" // row[6]
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" FROM crs_users,"
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"tmt_courses"
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" WHERE crs_users.UsrCod=%ld"
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" AND tmt_courses.CrsCod=crs_users.CrsCod"
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" UNION "
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"SELECT Weekday," // row[0]
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"TIME_TO_SEC(StartTime) AS S," // row[1]
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"TIME_TO_SEC(Duration) AS D," // row[2]
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"Info," // row[3]
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"'tutoring' AS ClassType," // row[4]
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"-1 AS GrpCod," // row[5]
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"-1 AS CrsCod" // row[6]
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" FROM tmt_tutoring"
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" WHERE UsrCod=%ld"
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" ORDER BY Weekday,"
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"S,"
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"ClassType,"
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"GrpCod,"
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"Info,"
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"D DESC,"
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"CrsCod",
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UsrCod,
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UsrCod);
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}
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return 0; // Not reached
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case Tmt_COURSE_TIMETABLE:
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if (Gbl.Crs.Grps.WhichGrps == Grp_ALL_GROUPS ||
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Gbl.Action.Act == ActEdiCrsTT ||
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Gbl.Action.Act == ActChgCrsTT) // If we are editing, all groups are shown
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get timetable",
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"SELECT Weekday," // row[0]
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"TIME_TO_SEC(StartTime) AS S," // row[1]
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"TIME_TO_SEC(Duration) AS D," // row[2]
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"Info," // row[3]
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"ClassType," // row[4]
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"GrpCod" // row[5]
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" FROM tmt_courses"
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" WHERE CrsCod=%ld"
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" ORDER BY Weekday,"
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"S,"
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"ClassType,"
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"GrpCod,"
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"Info,"
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"D DESC",
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Gbl.Hierarchy.Node[Hie_CRS].HieCod);
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else
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get timetable",
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"SELECT tmt_courses.Weekday," // row[0]
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"TIME_TO_SEC(tmt_courses.StartTime) AS S," // row[1]
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"TIME_TO_SEC(tmt_courses.Duration) AS D," // row[2]
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"tmt_courses.Info," // row[3]
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"tmt_courses.ClassType," // row[4]
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"tmt_courses.GrpCod" // row[5]
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" FROM tmt_courses,"
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"crs_users"
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" WHERE tmt_courses.CrsCod=%ld"
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" AND tmt_courses.GrpCod=-1"
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" AND crs_users.UsrCod=%ld"
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" AND tmt_courses.CrsCod=crs_users.CrsCod"
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" UNION DISTINCT "
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"SELECT tmt_courses.Weekday," // row[0]
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"TIME_TO_SEC(tmt_courses.StartTime) AS S," // row[1]
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"TIME_TO_SEC(tmt_courses.Duration) AS D," // row[2]
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"tmt_courses.Info," // row[3]
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"tmt_courses.ClassType," // row[4]
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"tmt_courses.GrpCod" // row[5]
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" FROM tmt_courses,"
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"grp_users"
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" WHERE tmt_courses.CrsCod=%ld"
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" AND grp_users.UsrCod=%ld"
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" AND tmt_courses.GrpCod=grp_users.GrpCod"
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" ORDER BY Weekday,"
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"S,"
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"ClassType,"
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"GrpCod,"
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"Info,"
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"D DESC",
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Gbl.Hierarchy.Node[Hie_CRS].HieCod,UsrCod,
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Gbl.Hierarchy.Node[Hie_CRS].HieCod,UsrCod);
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case Tmt_TUTORING_TIMETABLE:
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get timetable",
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"SELECT Weekday," // row[0]
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"TIME_TO_SEC(StartTime) AS S," // row[1]
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"TIME_TO_SEC(Duration) AS D," // row[2]
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"Info" // row[3]
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" FROM tmt_tutoring"
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" WHERE UsrCod=%ld"
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" ORDER BY Weekday,"
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"S,"
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"Info,"
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"D DESC",
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UsrCod);
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default:
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return 0; // Not reached
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}
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}
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/*****************************************************************************/
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/********** Orphan all groups of a given type in course timetable ************/
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/*****************************************************************************/
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void Tmt_DB_OrphanAllGrpsOfATypeInCrsTimeTable (long GrpTypCod)
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{
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DB_QueryUPDATE ("can not update all groups of a type in course timetable",
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"UPDATE tmt_courses"
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" SET GrpCod=-1"
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" WHERE GrpCod IN"
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" (SELECT GrpCod"
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" FROM grp_groups"
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" WHERE GrpTypCod=%ld)",
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GrpTypCod);
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}
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/*****************************************************************************/
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/********************* Orphan a group in course timetable ********************/
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/*****************************************************************************/
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void Tmt_DB_OrphanGrpInCrsTimeTable (long GrpCod)
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{
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DB_QueryUPDATE ("can not update a group in course timetable",
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"UPDATE tmt_courses"
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" SET GrpCod=-1"
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" WHERE GrpCod=%ld",
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GrpCod);
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}
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/*****************************************************************************/
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/*************************** Remove course timetable *************************/
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/*****************************************************************************/
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void Tmt_DB_RemoveCrsTimeTable (long CrsCod)
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{
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DB_QueryDELETE ("can not remove timetable",
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"DELETE FROM tmt_courses"
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" WHERE CrsCod=%ld",
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CrsCod);
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}
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/*****************************************************************************/
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/**************************** Remove user timetable **************************/
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/*****************************************************************************/
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void Tmt_DB_RemoveUsrTimeTable (long UsrCod)
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{
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DB_QueryDELETE ("can not remove former timetable",
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"DELETE FROM tmt_tutoring"
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" WHERE UsrCod=%ld",
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UsrCod);
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}
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