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https://github.com/acanas/swad-core.git
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698 lines
25 KiB
C
698 lines
25 KiB
C
// swad_program_database.c: course program, 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_error.h"
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#include "swad_global.h"
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#include "swad_program.h"
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#include "swad_program_database.h"
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#include "swad_program_resource.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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/***************** Create a new program item into database *******************/
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/*****************************************************************************/
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long Prg_DB_InsertItem (const struct Prg_Item *Item,const char *Txt)
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{
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return
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DB_QueryINSERTandReturnCode ("can not create new program item",
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"INSERT INTO prg_items"
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" (CrsCod,ItmInd,Level,UsrCod,"
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"StartTime,EndTime,"
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"Title,Txt)"
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" VALUES"
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" (%ld,%u,%u,%ld,"
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"FROM_UNIXTIME(%ld),FROM_UNIXTIME(%ld),"
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"'%s','%s')",
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Gbl.Hierarchy.Node[Hie_CRS].HieCod,
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Item->Hierarchy.ItmInd,
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Item->Hierarchy.Level,
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Gbl.Usrs.Me.UsrDat.UsrCod,
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Item->TimeUTC[Dat_STR_TIME],
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Item->TimeUTC[Dat_END_TIME],
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Item->Title,
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Txt);
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}
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/*****************************************************************************/
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/******************** Update an existing program item ************************/
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/*****************************************************************************/
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void Prg_DB_UpdateItem (const struct Prg_Item *Item,const char *Txt)
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{
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DB_QueryUPDATE ("can not update program item",
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"UPDATE prg_items"
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" SET StartTime=FROM_UNIXTIME(%ld),"
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"EndTime=FROM_UNIXTIME(%ld),"
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"Title='%s',"
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"Txt='%s'"
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" WHERE ItmCod=%ld"
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" AND CrsCod=%ld", // Extra check
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Item->TimeUTC[Dat_STR_TIME],
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Item->TimeUTC[Dat_END_TIME],
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Item->Title,
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Txt,
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Item->Hierarchy.ItmCod,
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Gbl.Hierarchy.Node[Hie_CRS].HieCod);
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}
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/*****************************************************************************/
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/************************* Hide/unhide a program item ************************/
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/*****************************************************************************/
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void Prg_DB_HideOrUnhideItem (long ItmCod,
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HidVis_HiddenOrVisible_t HiddenOrVisible)
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{
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extern const char HidVis_YN[HidVis_NUM_HIDDEN_VISIBLE];
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DB_QueryUPDATE ("can not hide/unhide program item",
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"UPDATE prg_items"
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" SET Hidden='%c'"
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" WHERE ItmCod=%ld"
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" AND CrsCod=%ld", // Extra check
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HidVis_YN[HiddenOrVisible],
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ItmCod,
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Gbl.Hierarchy.Node[Hie_CRS].HieCod);
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}
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/*****************************************************************************/
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/********************* Change index of a set in an exam **********************/
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/*****************************************************************************/
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void Prg_DB_UpdateIndexRange (long Diff,long Begin,long End)
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{
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DB_QueryUPDATE ("can not exchange indexes of items",
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"UPDATE prg_items"
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" SET ItmInd=-ItmInd+%ld"
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" WHERE CrsCod=%ld"
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" AND ItmInd>=%ld"
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" AND ItmInd<=%ld",
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Diff,
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Gbl.Hierarchy.Node[Hie_CRS].HieCod,
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Begin,
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End);
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}
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/*****************************************************************************/
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/************ Lock table to make the exchange of items atomic ****************/
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/*****************************************************************************/
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void Prg_DB_LockTableItems (void)
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{
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DB_Query ("can not lock table",
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"LOCK TABLES prg_items WRITE");
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DB_SetThereAreLockedTables ();
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}
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/*****************************************************************************/
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/************ Move down all indexes of after last child of parent ************/
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/*****************************************************************************/
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void Prg_DB_MoveDownItems (unsigned Index)
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{
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DB_QueryUPDATE ("can not move down items",
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"UPDATE prg_items"
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" SET ItmInd=ItmInd+1"
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" WHERE CrsCod=%ld"
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" AND ItmInd>=%u"
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" ORDER BY ItmInd DESC", // Necessary to not create duplicate key (CrsCod,ItmInd)
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Gbl.Hierarchy.Node[Hie_CRS].HieCod,
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Index);
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}
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/*****************************************************************************/
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/**************** Move item and its children to left or right ****************/
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/*****************************************************************************/
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void Prg_DB_MoveLeftRightItemRange (const struct Prg_ItemRange *ToMove,
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Prg_MoveLeftRight_t LeftRight)
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{
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static const char IncDec[Prg_NUM_MOVEMENTS_LEFT_RIGHT] =
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{
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[Prg_MOVE_LEFT ] = '-',
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[Prg_MOVE_RIGHT] = '+',
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};
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DB_QueryUPDATE ("can not move items",
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"UPDATE prg_items"
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" SET Level=Level%c1"
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" WHERE CrsCod=%ld"
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" AND ItmInd>=%u"
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" AND ItmInd<=%u",
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IncDec[LeftRight],
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Gbl.Hierarchy.Node[Hie_CRS].HieCod,
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ToMove->Begin,
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ToMove->End);
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}
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/*****************************************************************************/
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/******************* Get list of program items from database *****************/
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/*****************************************************************************/
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unsigned Prg_DB_GetListItems (MYSQL_RES **mysql_res)
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{
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static const char *HiddenSubQuery[Rol_NUM_ROLES] =
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{
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[Rol_UNK ] = " AND Hidden='N'",
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[Rol_GST ] = " AND Hidden='N'",
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[Rol_USR ] = " AND Hidden='N'",
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[Rol_STD ] = " AND Hidden='N'",
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[Rol_NET ] = " AND Hidden='N'",
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[Rol_TCH ] = "",
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[Rol_DEG_ADM] = " AND Hidden='N'",
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[Rol_CTR_ADM] = " AND Hidden='N'",
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[Rol_INS_ADM] = " AND Hidden='N'",
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[Rol_SYS_ADM] = "",
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};
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get program items",
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"SELECT ItmCod," // row[0]
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"ItmInd," // row[1]
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"Level," // row[2]
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"Hidden" // row[3]
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" FROM prg_items"
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" WHERE CrsCod=%ld"
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"%s"
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" ORDER BY ItmInd",
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Gbl.Hierarchy.Node[Hie_CRS].HieCod,
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HiddenSubQuery[Gbl.Usrs.Me.Role.Logged]);
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}
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/*****************************************************************************/
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/****************** Get program item data using its code *********************/
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/*****************************************************************************/
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unsigned Prg_DB_GetItemDataByCod (MYSQL_RES **mysql_res,long ItmCod)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get program item data",
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"SELECT ItmCod," // row[0]
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"ItmInd," // row[1]
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"Level," // row[2]
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"Hidden," // row[3]
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"UsrCod," // row[4]
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"UNIX_TIMESTAMP(StartTime)," // row[5]
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"UNIX_TIMESTAMP(EndTime)," // row[6]
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"NOW() BETWEEN StartTime AND EndTime," // row[7]
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"Title" // row[8]
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" FROM prg_items"
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" WHERE ItmCod=%ld"
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" AND CrsCod=%ld", // Extra check
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ItmCod,
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Gbl.Hierarchy.Node[Hie_CRS].HieCod);
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}
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/*****************************************************************************/
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/******************* Get program item text from database *********************/
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/*****************************************************************************/
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void Prg_DB_GetItemTxt (long ItmCod,char Txt[Cns_MAX_BYTES_TEXT + 1])
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{
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DB_QuerySELECTString (Txt,Cns_MAX_BYTES_TEXT,"can not get program item text",
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"SELECT Txt"
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" FROM prg_items"
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" WHERE ItmCod=%ld"
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" AND CrsCod=%ld", // Extra check
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ItmCod,
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Gbl.Hierarchy.Node[Hie_CRS].HieCod);
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}
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/*****************************************************************************/
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/****************** Get number of courses with program items *****************/
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/*****************************************************************************/
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// Returns the number of courses with program items
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// in this location (all the platform, current degree or current course)
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unsigned Prg_DB_GetNumCoursesWithItems (Hie_Level_t Level)
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{
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/***** Get number of courses with program items from database *****/
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switch (Level)
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{
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case Hie_SYS:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of courses with program items",
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"SELECT COUNT(DISTINCT CrsCod)"
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" FROM prg_items"
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" WHERE CrsCod>0");
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case Hie_CTY:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of courses with program items",
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"SELECT COUNT(DISTINCT prg_items.CrsCod)"
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" FROM ins_instits,"
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"ctr_centers,"
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"deg_degrees,"
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"crs_courses,"
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"prg_items"
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" WHERE ins_instits.CtyCod=%ld"
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" AND ins_instits.InsCod=ctr_centers.InsCod"
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" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=prg_items.CrsCod",
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Gbl.Hierarchy.Node[Hie_CTY].HieCod);
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case Hie_INS:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of courses with program items",
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"SELECT COUNT(DISTINCT prg_items.CrsCod)"
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" FROM ctr_centers,"
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"deg_degrees,"
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"crs_courses,"
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"prg_items"
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" WHERE ctr_centers.InsCod=%ld"
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" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=prg_items.CrsCod",
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Gbl.Hierarchy.Node[Hie_INS].HieCod);
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case Hie_CTR:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of courses with program items",
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"SELECT COUNT(DISTINCT prg_items.CrsCod)"
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" FROM deg_degrees,"
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"crs_courses,"
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"prg_items"
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" WHERE deg_degrees.CtrCod=%ld"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=prg_items.CrsCod",
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Gbl.Hierarchy.Node[Hie_CTR].HieCod);
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case Hie_DEG:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of courses with program items",
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"SELECT COUNT(DISTINCT prg_items.CrsCod)"
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" FROM crs_courses,"
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"prg_items"
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" WHERE crs_courses.DegCod=%ld"
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" AND crs_courses.CrsCod=prg_items.CrsCod",
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Gbl.Hierarchy.Node[Hie_DEG].HieCod);
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case Hie_CRS:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of courses with program items",
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"SELECT COUNT(DISTINCT CrsCod)"
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" FROM prg_items"
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" WHERE CrsCod=%ld",
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Gbl.Hierarchy.Node[Hie_CRS].HieCod);
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default:
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return 0;
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}
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}
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/*****************************************************************************/
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/************************ Get number of program items ************************/
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/*****************************************************************************/
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// Returns the number of program items in a hierarchy scope
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unsigned Prg_DB_GetNumItems (Hie_Level_t Level)
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{
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switch (Level)
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{
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case Hie_SYS:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of program items",
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"SELECT COUNT(*)"
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" FROM prg_items"
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" WHERE CrsCod>0");
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case Hie_CTY:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of program items",
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"SELECT COUNT(*)"
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" FROM ins_instits,"
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"ctr_centers,"
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"deg_degrees,"
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"crs_courses,"
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"prg_items"
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" WHERE ins_instits.CtyCod=%ld"
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" AND ins_instits.InsCod=ctr_centers.InsCod"
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" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=prg_items.CrsCod",
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Gbl.Hierarchy.Node[Hie_CTY].HieCod);
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case Hie_INS:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of program items",
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"SELECT COUNT(*)"
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" FROM ctr_centers,"
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"deg_degrees,"
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"crs_courses,"
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"prg_items"
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" WHERE ctr_centers.InsCod=%ld"
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" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=prg_items.CrsCod",
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Gbl.Hierarchy.Node[Hie_INS].HieCod);
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case Hie_CTR:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of program items",
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"SELECT COUNT(*)"
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" FROM deg_degrees,"
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"crs_courses,"
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"prg_items"
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" WHERE deg_degrees.CtrCod=%ld"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=prg_items.CrsCod",
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Gbl.Hierarchy.Node[Hie_CTR].HieCod);
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case Hie_DEG:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of program items",
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"SELECT COUNT(*)"
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" FROM crs_courses,"
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"prg_items"
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" WHERE crs_courses.DegCod=%ld"
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" AND crs_courses.CrsCod=prg_items.CrsCod",
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Gbl.Hierarchy.Node[Hie_DEG].HieCod);
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case Hie_CRS:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of program items",
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"SELECT COUNT(*)"
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" FROM prg_items"
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" WHERE CrsCod=%ld",
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Gbl.Hierarchy.Node[Hie_CRS].HieCod);
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default:
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Err_WrongHierarchyLevelExit ();
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return 0; // Not reached
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}
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}
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/*****************************************************************************/
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/******************* Remove a program item and its children ******************/
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/*****************************************************************************/
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void Prg_DB_RemoveItemRange (const struct Prg_ItemRange *ToRemove)
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{
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DB_QueryDELETE ("can not remove program item",
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"DELETE FROM prg_items"
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" WHERE CrsCod=%ld"
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" AND ItmInd>=%u"
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" AND ItmInd<=%u",
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Gbl.Hierarchy.Node[Hie_CRS].HieCod,
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ToRemove->Begin,
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ToRemove->End);
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}
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/*****************************************************************************/
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/******************* Remove all program items in a course ********************/
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/*****************************************************************************/
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void Prg_DB_RemoveCrsItems (long CrsCod)
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{
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DB_QueryDELETE ("can not remove all program items in a course",
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"DELETE FROM prg_items"
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" WHERE CrsCod=%ld",
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CrsCod);
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}
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/*****************************************************************************/
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/************************** Create a new resource ****************************/
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/*****************************************************************************/
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long Prg_DB_CreateResource (const struct Prg_Item *Item)
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{
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return
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DB_QueryINSERTandReturnCode ("can not create new resource",
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"INSERT INTO prg_resources"
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" (ItmCod,RscInd,Hidden,Title)"
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" SELECT %ld,COALESCE(MAX(t2.RscInd),0)+1,'N','%s'"
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" FROM prg_resources AS t2"
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" WHERE t2.ItmCod=%ld",
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Item->Hierarchy.ItmCod,
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Item->Resource.Title,
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Item->Hierarchy.ItmCod);
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}
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/*****************************************************************************/
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/**************************** Update resource title **************************/
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/*****************************************************************************/
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void Prg_DB_UpdateResourceTitle (long ItmCod,long RscCod,
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const char NewTitle[Rsc_MAX_BYTES_RESOURCE_TITLE + 1])
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{
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DB_QueryUPDATE ("can not update the title of a resource",
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"UPDATE prg_resources,"
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"prg_items"
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" SET prg_resources.Title='%s'"
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" WHERE prg_resources.RscCod=%ld"
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" AND prg_resources.ItmCod=%ld"
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" AND prg_resources.ItmCod=prg_items.ItmCod"
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" AND prg_items.CrsCod=%ld",
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NewTitle,
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RscCod,
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ItmCod,
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Gbl.Hierarchy.Node[Hie_CRS].HieCod);
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}
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/*****************************************************************************/
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/****************** Get list of item resources from database *****************/
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/*****************************************************************************/
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unsigned Prg_DB_GetListResources (MYSQL_RES **mysql_res,long ItmCod,
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bool ShowHiddenResources)
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{
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static const char *HiddenSubQuery[2] =
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{
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[false] = " AND prg_resources.Hidden='N'",
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[true ] = "",
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};
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get item resources",
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"SELECT prg_resources.ItmCod," // row[0]
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|
"prg_resources.RscCod," // row[1]
|
|
"prg_resources.RscInd," // row[2]
|
|
"prg_resources.Hidden," // row[3]
|
|
"prg_resources.Type," // row[4]
|
|
"prg_resources.Cod," // row[5]
|
|
"prg_resources.Title" // row[6]
|
|
" FROM prg_resources,"
|
|
"prg_items"
|
|
" WHERE prg_resources.ItmCod=%ld"
|
|
"%s"
|
|
" AND prg_resources.ItmCod=prg_items.ItmCod"
|
|
" AND prg_items.CrsCod=%ld" // Extra check
|
|
" ORDER BY prg_resources.RscInd",
|
|
ItmCod,
|
|
HiddenSubQuery[ShowHiddenResources],
|
|
Gbl.Hierarchy.Node[Hie_CRS].HieCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****************** Get item resource data using its code ********************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned Prg_DB_GetResourceDataByCod (MYSQL_RES **mysql_res,long RscCod)
|
|
{
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get item resource data",
|
|
"SELECT prg_resources.ItmCod," // row[0]
|
|
"prg_resources.RscCod," // row[1]
|
|
"prg_resources.RscInd," // row[2]
|
|
"prg_resources.Hidden," // row[3]
|
|
"prg_resources.Type," // row[4]
|
|
"prg_resources.Cod," // row[5]
|
|
"prg_resources.Title" // row[6]
|
|
" FROM prg_resources,"
|
|
"prg_items"
|
|
" WHERE prg_resources.RscCod=%ld"
|
|
" AND prg_resources.ItmCod=prg_items.ItmCod"
|
|
" AND prg_items.CrsCod=%ld", // Extra check
|
|
RscCod,
|
|
Gbl.Hierarchy.Node[Hie_CRS].HieCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************* Get the resource index before/after a given one ***************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned Prg_DB_GetRscIndBefore (long ItmCod,unsigned RscInd)
|
|
{
|
|
return
|
|
DB_QuerySELECTUnsigned ("can not get the resource before",
|
|
"SELECT COALESCE(MAX(RscInd),0)"
|
|
" FROM prg_resources"
|
|
" WHERE ItmCod=%ld"
|
|
" AND RscInd<%u",
|
|
ItmCod,RscInd);
|
|
}
|
|
|
|
unsigned Prg_DB_GetRscIndAfter (long ItmCod,unsigned RscInd)
|
|
{
|
|
return
|
|
DB_QuerySELECTUnsigned ("can not get the resource after",
|
|
"SELECT COALESCE(MIN(RscInd),0)"
|
|
" FROM prg_resources"
|
|
" WHERE ItmCod=%ld"
|
|
" AND RscInd>%u",
|
|
ItmCod,RscInd);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********** Get resource code given item code and resource index ************/
|
|
/*****************************************************************************/
|
|
|
|
long Prg_DB_GetRscCodFromRscInd (long ItmCod,unsigned RscInd)
|
|
{
|
|
/***** Trivial check: resource index should be > 0 *****/
|
|
if (RscInd == 0)
|
|
return -1L;
|
|
|
|
/***** Get resource code given item code and resource index *****/
|
|
return DB_QuerySELECTCode ("can not get resource code",
|
|
"SELECT RscCod"
|
|
" FROM prg_resources"
|
|
" WHERE ItmCod=%ld"
|
|
" AND RscInd=%u",
|
|
ItmCod,RscInd);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************** Remove an item resource **************************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_DB_RemoveResource (const struct Prg_Item *Item)
|
|
{
|
|
DB_QueryDELETE ("can not remove item resource",
|
|
"DELETE FROM prg_resources"
|
|
" USING prg_resources,"
|
|
"prg_items"
|
|
" WHERE prg_resources.RscCod=%ld"
|
|
" AND prg_resources.ItmCod=%ld"
|
|
" AND prg_resources.ItmCod=prg_items.ItmCod"
|
|
" AND prg_items.CrsCod=%ld", // Extra check
|
|
Item->Resource.Hierarchy.RscCod,
|
|
Item->Hierarchy.ItmCod,
|
|
Gbl.Hierarchy.Node[Hie_CRS].HieCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************ Hide/unhide an item resource ***********************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_DB_HideOrUnhideResource (long RscCod,
|
|
HidVis_HiddenOrVisible_t HiddenOrVisible)
|
|
{
|
|
extern const char HidVis_YN[HidVis_NUM_HIDDEN_VISIBLE];
|
|
|
|
DB_QueryUPDATE ("can not hide/unhide item resource",
|
|
"UPDATE prg_resources"
|
|
" SET Hidden='%c'"
|
|
" WHERE RscCod=%ld",
|
|
HidVis_YN[HiddenOrVisible],
|
|
RscCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********** Lock table to make the exchange of resources atomic **************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_DB_LockTableResources (void)
|
|
{
|
|
DB_Query ("can not lock table",
|
|
"LOCK TABLES prg_resources WRITE");
|
|
DB_SetThereAreLockedTables ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************* Update the index of a resource given its code *****************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_DB_UpdateRscInd (long RscCod,int RscInd)
|
|
{
|
|
DB_QueryUPDATE ("can not update index of resource",
|
|
"UPDATE prg_resources"
|
|
" SET RscInd=%d"
|
|
" WHERE RscCod=%ld",
|
|
RscInd,
|
|
RscCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************* Update the link of a resource given its code *****************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_DB_UpdateRscLink (const struct Prg_Item *Item)
|
|
{
|
|
extern const char *Rsc_ResourceTypesDB[Rsc_NUM_TYPES];
|
|
|
|
DB_QueryUPDATE ("can not update link of resource",
|
|
"UPDATE prg_resources"
|
|
" SET Type='%s',"
|
|
"Cod=%ld"
|
|
" WHERE RscCod=%ld",
|
|
Rsc_ResourceTypesDB[Item->Resource.Link.Type],
|
|
Item->Resource.Link.Cod,
|
|
Item->Resource.Hierarchy.RscCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************ Insert item in expanded items **********************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_DB_InsertItemInExpandedItems (long ItmCod)
|
|
{
|
|
DB_QueryREPLACE ("can not expand item",
|
|
"REPLACE INTO prg_expanded"
|
|
" (UsrCod,ItmCod,ClickTime)"
|
|
" VALUES"
|
|
" (%ld,%ld,NOW())",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
ItmCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************** Check if a program item is expanded ********************/
|
|
/*****************************************************************************/
|
|
|
|
ConExp_ContractedOrExpanded_t Prg_DB_GetIfContractedOrExpandedItem (long ItmCod)
|
|
{
|
|
return
|
|
DB_QueryEXISTS ("can not check if an item is expanded",
|
|
"SELECT EXISTS"
|
|
"(SELECT *"
|
|
" FROM prg_expanded"
|
|
" WHERE UsrCod=%ld"
|
|
" AND ItmCod=%ld)",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
ItmCod) ? ConExp_EXPANDED :
|
|
ConExp_CONTRACTED;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************** Remove item from expanded items **********************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_DB_RemoveItemFromExpandedItems (long ItmCod)
|
|
{
|
|
DB_QueryDELETE ("can not contract item",
|
|
"DELETE FROM prg_expanded"
|
|
" WHERE UsrCod=%ld"
|
|
" AND ItmCod=%ld",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
ItmCod);
|
|
}
|