mirror of
https://github.com/acanas/swad-core.git
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2224 lines
75 KiB
C
2224 lines
75 KiB
C
// swad_program.c: course program
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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) 1999-2020 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************* Headers ***********************************/
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/*****************************************************************************/
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#define _GNU_SOURCE // For asprintf
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#include <linux/limits.h> // For PATH_MAX
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#include <stddef.h> // For NULL
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#include <stdio.h> // For asprintf
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#include <stdlib.h> // For calloc
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#include <string.h> // For string functions
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#include "swad_box.h"
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#include "swad_database.h"
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#include "swad_figure.h"
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#include "swad_form.h"
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#include "swad_global.h"
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#include "swad_group.h"
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#include "swad_HTML.h"
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#include "swad_pagination.h"
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#include "swad_parameter.h"
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#include "swad_photo.h"
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#include "swad_program.h"
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#include "swad_role.h"
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#include "swad_setting.h"
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#include "swad_string.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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/***************************** Private constants *****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/******************************* Private types *******************************/
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/*****************************************************************************/
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#define Prg_NUM_LEFT_RIGHT 2
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typedef enum
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{
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Prg_TO_LEFT = 0,
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Prg_TO_RIGHT = 1
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} Prg_LeftRight;
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/*****************************************************************************/
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/***************************** Private variables *****************************/
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/*****************************************************************************/
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static long Prg_CurrentItmCod; // Used as parameter in contextual links
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static unsigned Prg_CurrentIndex; // Used as parameter in contextual links
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static unsigned Prg_MaxLevel; // Maximum level of items
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static unsigned *Prg_NumItem = NULL; // Numbers for each level from 1 to maximum level
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/*****************************************************************************/
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/***************************** Private prototypes ****************************/
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/*****************************************************************************/
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static void Prg_ShowAllItems (void);
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static bool Prg_CheckIfICanCreateItems (void);
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static void Prg_PutIconsListItems (void);
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static void Prg_PutIconToCreateNewItem (void);
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static void Prg_PutButtonToCreateNewItem (void);
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static void Prg_ShowOneItem (long ItmCod,unsigned MaxIndex,bool PrintView);
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static void Prg_CreateNumbers (unsigned MaxLevel);
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static void Prg_FreeNumbers (void);
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static void Prg_WriteNumItem (unsigned Level);
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static void Prg_PutFormsToRemEditOnePrgItem (const struct ProgramItem *Item,
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unsigned MaxIndex,
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const char *Anchor);
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static void Prg_SetCurrentItmCod (long ItmCod);
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static long Prg_GetCurrentItmCod (void);
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static void Prg_SetCurrentIndex (unsigned Index);
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static unsigned Prg_GetCurrentItmInd (void);
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static void Prg_PutParams (void);
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static void Prg_PutParamItmInd (unsigned Index);
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static unsigned Prg_GetParamItmInd (void);
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static void Prg_GetDataOfItem (struct ProgramItem *Item,
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MYSQL_RES **mysql_res,
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unsigned long NumRows);
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static void Prg_ResetItem (struct ProgramItem *Item);
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static void Prg_GetPrgItemTxtFromDB (long ItmCod,char Txt[Cns_MAX_BYTES_TEXT + 1]);
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static void Prg_PutParamItmCod (long ItmCod);
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static unsigned Prg_GetMaxItemLevel (void);
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static unsigned Prg_GetMaxItemIndex (void);
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static unsigned Prg_GetPrevItemIndex (unsigned Index);
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static unsigned Prg_GetNextItemIndex (unsigned Index);
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static unsigned Prg_GetItemLevelFromIndex (unsigned Index);
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static unsigned Prg_GetNextIndexNotChild (const struct ProgramItem *Item);
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static void Prg_ExchangeItems (unsigned TopIndex,unsigned BottomIndex);
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static void Prg_MoveItemAndChildrenLeftRight (Prg_LeftRight LeftRight,
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unsigned Index,unsigned NextIndex);
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static bool Prg_CheckIfSimilarPrgItemExists (const char *Field,const char *Value,long ItmCod);
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static void Prg_ShowLstGrpsToEditPrgItem (long ItmCod);
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static void Prg_CreatePrgItem (struct ProgramItem *Item,const char *Txt);
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static void Prg_UpdatePrgItem (struct ProgramItem *Item,const char *Txt);
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static bool Prg_CheckIfItemIsAssociatedToGrps (long ItmCod);
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static void Prg_RemoveAllTheGrpsAssociatedToAnItem (long ItmCod);
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static void Prg_CreateGrps (long ItmCod);
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static void Prg_GetAndWriteNamesOfGrpsAssociatedToItem (struct ProgramItem *Item);
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static bool Prg_CheckIfIBelongToCrsOrGrpsThisItem (long ItmCod);
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/*****************************************************************************/
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/************************ List all the program items *************************/
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/*****************************************************************************/
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void Prg_SeeCourseProgram (void)
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{
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/***** Get parameters *****/
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Grp_GetParamWhichGrps ();
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/***** Show all the program items *****/
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Prg_ShowAllItems ();
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}
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/*****************************************************************************/
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/*********************** Show all the program items **************************/
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/*****************************************************************************/
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static void Prg_ShowAllItems (void)
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{
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extern const char *Hlp_COURSE_Program;
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extern const char *Txt_Course_program;
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extern const char *Txt_No_items;
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unsigned NumItem;
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/***** Get list of program items *****/
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Prg_GetListPrgItems ();
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if (Gbl.Prg.Num)
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{
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Prg_MaxLevel = Prg_GetMaxItemLevel ();
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Prg_CreateNumbers (Prg_MaxLevel);
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}
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else
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Prg_MaxLevel = 0;
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/***** Begin box *****/
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Box_BoxBegin ("100%",Txt_Course_program,Prg_PutIconsListItems,
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Hlp_COURSE_Program,Box_NOT_CLOSABLE);
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/***** Select whether show only my groups or all groups *****/
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if (Gbl.Crs.Grps.NumGrps)
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{
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Set_StartSettingsHead ();
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Grp_ShowFormToSelWhichGrps (ActSeePrg,NULL);
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Set_EndSettingsHead ();
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}
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if (Gbl.Prg.Num)
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{
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/***** Table head *****/
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HTM_TABLE_BeginWideMarginPadding (2);
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/***** Write all the program items *****/
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for (NumItem = 1;
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NumItem <= Gbl.Prg.Num;
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NumItem++)
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Prg_ShowOneItem (Gbl.Prg.LstItmCods[NumItem - 1],
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Gbl.Prg.Num,
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false); // Not print view
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/***** End table *****/
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HTM_TABLE_End ();
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}
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else // No program items created
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Ale_ShowAlert (Ale_INFO,Txt_No_items);
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/***** Button to create a new program item *****/
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if (Prg_CheckIfICanCreateItems ())
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Prg_PutButtonToCreateNewItem ();
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/***** End box *****/
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Box_BoxEnd ();
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/***** Free list of program items *****/
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if (Gbl.Prg.Num)
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Prg_FreeNumbers ();
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Prg_FreeListItems ();
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}
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/*****************************************************************************/
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/******************* Check if I can create program items *********************/
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/*****************************************************************************/
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static bool Prg_CheckIfICanCreateItems (void)
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{
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return (bool) (Gbl.Usrs.Me.Role.Logged == Rol_TCH ||
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Gbl.Usrs.Me.Role.Logged == Rol_SYS_ADM);
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}
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/*****************************************************************************/
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/************** Put contextual icons in list of program items ****************/
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/*****************************************************************************/
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static void Prg_PutIconsListItems (void)
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{
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/***** Put icon to create a new program item *****/
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if (Prg_CheckIfICanCreateItems ())
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Prg_PutIconToCreateNewItem ();
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/***** Put icon to show a figure *****/
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Gbl.Figures.FigureType = Fig_COURSE_PROGRAMS;
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Fig_PutIconToShowFigure ();
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}
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/*****************************************************************************/
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/****************** Put icon to create a new program item ********************/
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/*****************************************************************************/
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static void Prg_PutIconToCreateNewItem (void)
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{
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extern const char *Txt_New_item;
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/***** Put form to create a new program item *****/
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Prg_SetCurrentItmCod (-1L);
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Prg_SetCurrentIndex (0);
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Ico_PutContextualIconToAdd (ActFrmNewPrgItm,NULL,Prg_PutParams,
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Txt_New_item);
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}
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/*****************************************************************************/
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/***************** Put button to create a new program item *******************/
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/*****************************************************************************/
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static void Prg_PutButtonToCreateNewItem (void)
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{
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extern const char *Txt_New_item;
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Prg_SetCurrentItmCod (-1L);
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Prg_SetCurrentIndex (0);
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Frm_StartForm (ActFrmNewPrgItm);
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Prg_PutParams ();
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Btn_PutConfirmButton (Txt_New_item);
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Frm_EndForm ();
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}
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/*****************************************************************************/
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/************************** Show one program item ****************************/
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/*****************************************************************************/
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#define Prg_WIDTH_NUM_ITEM 20
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static void Prg_ShowOneItem (long ItmCod,unsigned MaxIndex,bool PrintView)
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{
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char *Anchor = NULL;
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static unsigned UniqueId = 0;
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char *Id;
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struct ProgramItem Item;
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unsigned ColSpan;
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Dat_StartEndTime_t StartEndTime;
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char Txt[Cns_MAX_BYTES_TEXT + 1];
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/***** Get data of this program item *****/
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Item.ItmCod = ItmCod;
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Prg_GetDataOfItemByCod (&Item);
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/***** Set anchor string *****/
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Frm_SetAnchorStr (Item.ItmCod,&Anchor);
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/***** Start row *****/
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HTM_TR_Begin (NULL);
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/***** Forms to remove/edit this program item *****/
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if (!PrintView)
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{
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HTM_TD_Begin ("class=\"PRG_COL1 LT COLOR%u\"",Gbl.RowEvenOdd);
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Prg_PutFormsToRemEditOnePrgItem (&Item,MaxIndex,Anchor);
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HTM_TD_End ();
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}
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/***** Indent depending on the level *****/
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if (Item.Level > 1)
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{
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HTM_TD_Begin ("colspan=\"%u\" class=\"COLOR%u\"",
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Item.Level - 1,Gbl.RowEvenOdd);
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HTM_TD_End ();
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}
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/***** Item number *****/
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HTM_TD_Begin ("class=\"%s RT COLOR%u\" style=\"width:%dpx;\"",
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Item.Hidden ? "ASG_TITLE_LIGHT" :
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"ASG_TITLE",
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Gbl.RowEvenOdd,
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Item.Level * Prg_WIDTH_NUM_ITEM);
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Prg_WriteNumItem (Item.Level);
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HTM_TD_End ();
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/***** Title, groups and text *****/
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/* Begin title, groups and text */
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ColSpan = Prg_MaxLevel - Item.Level + 1;
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if (PrintView)
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HTM_TD_Begin ("colspan=\"%u\" class=\"LT\"",
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ColSpan);
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else
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HTM_TD_Begin ("colspan=\"%u\" class=\"LT COLOR%u\"",
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ColSpan,Gbl.RowEvenOdd);
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HTM_ARTICLE_Begin (Anchor);
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/* Title */
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HTM_DIV_Begin ("class=\"%s\"",
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Item.Hidden ? "ASG_TITLE_LIGHT" :
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"ASG_TITLE");
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HTM_Txt (Item.Title);
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HTM_DIV_End ();
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/* Groups */
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if (Gbl.Crs.Grps.NumGrps)
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Prg_GetAndWriteNamesOfGrpsAssociatedToItem (&Item);
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/* Text */
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Prg_GetPrgItemTxtFromDB (Item.ItmCod,Txt);
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Str_ChangeFormat (Str_FROM_HTML,Str_TO_RIGOROUS_HTML,
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Txt,Cns_MAX_BYTES_TEXT,false); // Convert from HTML to recpectful HTML
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Str_InsertLinks (Txt,Cns_MAX_BYTES_TEXT,60); // Insert links
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HTM_DIV_Begin ("class=\"PAR %s\"",Item.Hidden ? "DAT_LIGHT" :
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"DAT");
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HTM_Txt (Txt);
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HTM_DIV_End ();
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/* End title, groups and text */
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HTM_ARTICLE_End ();
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HTM_TD_End ();
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/***** Start/end date/time *****/
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UniqueId++;
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for (StartEndTime = (Dat_StartEndTime_t) 0;
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StartEndTime <= (Dat_StartEndTime_t) (Dat_NUM_START_END_TIME - 1);
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StartEndTime++)
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{
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if (asprintf (&Id,"scd_date_%u_%u",(unsigned) StartEndTime,UniqueId) < 0)
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Lay_NotEnoughMemoryExit ();
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if (PrintView)
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HTM_TD_Begin ("id=\"%s\" class=\"%s LT\"",
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Id,
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Item.Hidden ? (Item.Open ? "DATE_GREEN_LIGHT" :
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"DATE_RED_LIGHT") :
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(Item.Open ? "DATE_GREEN" :
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"DATE_RED"));
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else
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HTM_TD_Begin ("id=\"%s\" class=\"%s LT COLOR%u\"",
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Id,
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Item.Hidden ? (Item.Open ? "DATE_GREEN_LIGHT" :
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"DATE_RED_LIGHT") :
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(Item.Open ? "DATE_GREEN" :
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"DATE_RED"),
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Gbl.RowEvenOdd);
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Dat_WriteLocalDateHMSFromUTC (Id,Item.TimeUTC[StartEndTime],
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Gbl.Prefs.DateFormat,Dat_SEPARATOR_BREAK,
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true,true,true,0x7);
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HTM_TD_End ();
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free (Id);
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}
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HTM_TR_End ();
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/***** Free anchor string *****/
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Frm_FreeAnchorStr (Anchor);
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Gbl.RowEvenOdd = 1 - Gbl.RowEvenOdd;
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}
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/*****************************************************************************/
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/********************* Allocate memory for item numbers **********************/
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/*****************************************************************************/
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static void Prg_CreateNumbers (unsigned MaxLevel)
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{
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/***** Allocate memory for item numbers and initialize to 0 *****/
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if ((Prg_NumItem = (unsigned *) calloc (1 + MaxLevel,sizeof (unsigned))) == NULL)
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Lay_NotEnoughMemoryExit ();
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}
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/*****************************************************************************/
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/*********************** Free memory for item numbers ************************/
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/*****************************************************************************/
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static void Prg_FreeNumbers (void)
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{
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/***** Free allocated memory for item numbers *****/
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if (Prg_NumItem)
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{
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free (Prg_NumItem);
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Prg_NumItem = NULL;
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}
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}
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/*****************************************************************************/
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/******************** Write number of item in legal style ********************/
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/*****************************************************************************/
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static void Prg_WriteNumItem (unsigned Level)
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{
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unsigned i;
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/***** Increase number for this level *****/
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Prg_NumItem[Level]++;
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/***** Write number *****/
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HTM_Unsigned (Prg_NumItem[1]);
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for (i = 2;
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i <= Level;
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i++)
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{
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HTM_Txt (".");
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HTM_Unsigned (Prg_NumItem[i]);
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}
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/***** Reset number for next level (children) *****/
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Prg_NumItem[Level + 1] = 0;
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}
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/*****************************************************************************/
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/**************** Put a link (form) to edit one program item *****************/
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/*****************************************************************************/
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static void Prg_PutFormsToRemEditOnePrgItem (const struct ProgramItem *Item,
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unsigned MaxIndex,
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const char *Anchor)
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{
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extern const char *Txt_Move_up_X;
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extern const char *Txt_Move_down_X;
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extern const char *Txt_Increase_level_of_X;
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extern const char *Txt_Decrease_level_of_X;
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extern const char *Txt_Movement_not_allowed;
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static unsigned PrevLevel = 0;
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char StrItemIndex[Cns_MAX_DECIMAL_DIGITS_UINT + 1];
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Prg_SetCurrentItmCod (Item->ItmCod); // Used as parameter in contextual links
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Prg_SetCurrentIndex (Item->Index); // Used as parameter in contextual links
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/***** Initialize item index string *****/
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snprintf (StrItemIndex,sizeof (StrItemIndex),
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"%u",
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Item->Index);
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switch (Gbl.Usrs.Me.Role.Logged)
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{
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case Rol_TCH:
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case Rol_SYS_ADM:
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/***** Put form to remove program item *****/
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Ico_PutContextualIconToRemove (ActReqRemPrgItm,Prg_PutParams);
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/***** Put form to hide/show program item *****/
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if (Item->Hidden)
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Ico_PutContextualIconToUnhide (ActShoPrgItm,Anchor,Prg_PutParams);
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else
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Ico_PutContextualIconToHide (ActHidPrgItm,Anchor,Prg_PutParams);
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/***** Put form to edit program item *****/
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Ico_PutContextualIconToEdit (ActEdiOnePrgItm,Prg_PutParams);
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HTM_BR ();
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/***** Put icon to move up the item *****/
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if (Item->Index > 1)
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{
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Lay_PutContextualLinkOnlyIcon (ActUp_PrgItm,NULL,Prg_PutParams,
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"arrow-up.svg",
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Str_BuildStringStr (Txt_Move_up_X,
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StrItemIndex));
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Str_FreeString ();
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}
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else
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Ico_PutIconOff ("arrow-up.svg",Txt_Movement_not_allowed);
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/***** Put icon to move down the item *****/
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if (Item->Index < MaxIndex)
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{
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Lay_PutContextualLinkOnlyIcon (ActDwnPrgItm,NULL,Prg_PutParams,
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"arrow-down.svg",
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Str_BuildStringStr (Txt_Move_down_X,
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StrItemIndex));
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Str_FreeString ();
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}
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else
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Ico_PutIconOff ("arrow-down.svg",Txt_Movement_not_allowed);
|
|
|
|
HTM_BR ();
|
|
|
|
/***** Icon to move left item (increase level) *****/
|
|
if (Item->Level > 1)
|
|
{
|
|
Lay_PutContextualLinkOnlyIcon (ActLftPrgItm,NULL,Prg_PutParams,
|
|
"arrow-left.svg",
|
|
Str_BuildStringStr (Txt_Increase_level_of_X,
|
|
StrItemIndex));
|
|
Str_FreeString ();
|
|
}
|
|
else
|
|
Ico_PutIconOff ("arrow-left.svg",Txt_Movement_not_allowed);
|
|
|
|
/***** Icon to move right item (indent, decrease level) *****/
|
|
if (Item->Level <= PrevLevel)
|
|
{
|
|
Lay_PutContextualLinkOnlyIcon (ActRgtPrgItm,NULL,Prg_PutParams,
|
|
"arrow-right.svg",
|
|
Str_BuildStringStr (Txt_Decrease_level_of_X,
|
|
StrItemIndex));
|
|
Str_FreeString ();
|
|
}
|
|
else
|
|
Ico_PutIconOff ("arrow-right.svg",Txt_Movement_not_allowed);
|
|
|
|
PrevLevel = Item->Level;
|
|
break;
|
|
case Rol_STD:
|
|
case Rol_NET:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Access to variables used to pass parameter *****************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_SetCurrentItmCod (long ItmCod)
|
|
{
|
|
Prg_CurrentItmCod = ItmCod;
|
|
}
|
|
|
|
static long Prg_GetCurrentItmCod (void)
|
|
{
|
|
return Prg_CurrentItmCod;
|
|
}
|
|
|
|
static void Prg_SetCurrentIndex (unsigned Index)
|
|
{
|
|
Prg_CurrentIndex = Index;
|
|
}
|
|
|
|
static unsigned Prg_GetCurrentItmInd (void)
|
|
{
|
|
return Prg_CurrentIndex;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************** Params used to edit a program item *********************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_PutParams (void)
|
|
{
|
|
long CurrentItmCod = Prg_GetCurrentItmCod ();
|
|
long CurrentItmInd = Prg_GetCurrentItmInd ();
|
|
|
|
if (CurrentItmCod > 0)
|
|
Prg_PutParamItmCod (CurrentItmCod);
|
|
if (CurrentItmInd > 0)
|
|
Prg_PutParamItmInd (CurrentItmInd);
|
|
Grp_PutParamWhichGrps ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************** Write parameter with index of item *********************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_PutParamItmInd (unsigned Index)
|
|
{
|
|
Par_PutHiddenParamUnsigned (NULL,"Index",Index);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************* Get parameter with index of item **********************/
|
|
/*****************************************************************************/
|
|
|
|
static unsigned Prg_GetParamItmInd (void)
|
|
{
|
|
long Index;
|
|
|
|
Index = Par_GetParToLong ("Index");
|
|
if (Index < 0)
|
|
Lay_ShowErrorAndExit ("Wrong item index.");
|
|
|
|
return (unsigned) Index;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********************** List all the program items **************************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_GetListPrgItems (void)
|
|
{
|
|
static const char *HiddenSubQuery[Rol_NUM_ROLES] =
|
|
{
|
|
[Rol_UNK ] = " AND Hidden='N'",
|
|
[Rol_GST ] = " AND Hidden='N'",
|
|
[Rol_USR ] = " AND Hidden='N'",
|
|
[Rol_STD ] = " AND Hidden='N'",
|
|
[Rol_NET ] = " AND Hidden='N'",
|
|
[Rol_TCH ] = "",
|
|
[Rol_DEG_ADM] = " AND Hidden='N'",
|
|
[Rol_CTR_ADM] = " AND Hidden='N'",
|
|
[Rol_INS_ADM] = " AND Hidden='N'",
|
|
[Rol_SYS_ADM] = "",
|
|
};
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned long NumRows;
|
|
unsigned NumItem;
|
|
|
|
if (Gbl.Prg.LstIsRead)
|
|
Prg_FreeListItems ();
|
|
|
|
/***** Get list of program items from database *****/
|
|
if (Gbl.Crs.Grps.WhichGrps == Grp_MY_GROUPS)
|
|
NumRows = DB_QuerySELECT (&mysql_res,"can not get program items",
|
|
"SELECT ItmCod"
|
|
" FROM prg_items"
|
|
" WHERE CrsCod=%ld%s"
|
|
" AND "
|
|
"(ItmCod NOT IN (SELECT ItmCod FROM prg_grp) OR"
|
|
" ItmCod IN (SELECT prg_grp.ItmCod"
|
|
" FROM prg_grp,crs_grp_usr"
|
|
" WHERE crs_grp_usr.UsrCod=%ld"
|
|
" AND prg_grp.GrpCod=crs_grp_usr.GrpCod))"
|
|
" ORDER BY ItmInd",
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
HiddenSubQuery[Gbl.Usrs.Me.Role.Logged],
|
|
Gbl.Usrs.Me.UsrDat.UsrCod);
|
|
else // Gbl.Crs.Grps.WhichGrps == Grp_ALL_GROUPS
|
|
NumRows = DB_QuerySELECT (&mysql_res,"can not get program items",
|
|
"SELECT ItmCod"
|
|
" FROM prg_items"
|
|
" WHERE CrsCod=%ld%s"
|
|
" ORDER BY ItmInd",
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
HiddenSubQuery[Gbl.Usrs.Me.Role.Logged]);
|
|
|
|
if (NumRows) // Items found...
|
|
{
|
|
Gbl.Prg.Num = (unsigned) NumRows;
|
|
|
|
/***** Create list of program items *****/
|
|
if ((Gbl.Prg.LstItmCods = (long *) calloc (NumRows,sizeof (long))) == NULL)
|
|
Lay_NotEnoughMemoryExit ();
|
|
|
|
/***** Get the program items codes *****/
|
|
for (NumItem = 0;
|
|
NumItem < Gbl.Prg.Num;
|
|
NumItem++)
|
|
{
|
|
/* Get next program item code */
|
|
row = mysql_fetch_row (mysql_res);
|
|
if ((Gbl.Prg.LstItmCods[NumItem] = Str_ConvertStrCodToLongCod (row[0])) < 0)
|
|
Lay_ShowErrorAndExit ("Error: wrong program item code.");
|
|
}
|
|
}
|
|
else
|
|
Gbl.Prg.Num = 0;
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
Gbl.Prg.LstIsRead = true;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****************** Get program item data using its code *********************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_GetDataOfItemByCod (struct ProgramItem *Item)
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
unsigned long NumRows;
|
|
|
|
if (Item->ItmCod > 0)
|
|
{
|
|
/***** Build query *****/
|
|
NumRows = DB_QuerySELECT (&mysql_res,"can not get program item data",
|
|
"SELECT ItmCod," // row[0]
|
|
"ItmInd," // row[1]
|
|
"Level," // row[2]
|
|
"Hidden," // row[3]
|
|
"UsrCod," // row[4]
|
|
"UNIX_TIMESTAMP(StartTime)," // row[5]
|
|
"UNIX_TIMESTAMP(EndTime)," // row[6]
|
|
"NOW() BETWEEN StartTime AND EndTime," // row[7]
|
|
"Title" // row[8]
|
|
" FROM prg_items"
|
|
" WHERE ItmCod=%ld"
|
|
" AND CrsCod=%ld", // Extra check
|
|
Item->ItmCod,Gbl.Hierarchy.Crs.CrsCod);
|
|
|
|
/***** Get data of program item *****/
|
|
Prg_GetDataOfItem (Item,&mysql_res,NumRows);
|
|
}
|
|
else
|
|
/***** Clear all program item data *****/
|
|
Prg_ResetItem (Item);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************* Get program item data *****************************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_GetDataOfItem (struct ProgramItem *Item,
|
|
MYSQL_RES **mysql_res,
|
|
unsigned long NumRows)
|
|
{
|
|
MYSQL_ROW row;
|
|
|
|
/***** Clear all program item data *****/
|
|
Prg_ResetItem (Item);
|
|
|
|
/***** Get data of program item from database *****/
|
|
if (NumRows) // Schedule item found...
|
|
{
|
|
/* Get row */
|
|
row = mysql_fetch_row (*mysql_res);
|
|
/*
|
|
ItmCod row[0]
|
|
ItmInd row[1]
|
|
Level row[2]
|
|
Hidden row[3]
|
|
UsrCod row[4]
|
|
UNIX_TIMESTAMP(StartTime) row[5]
|
|
UNIX_TIMESTAMP(EndTime) row[6]
|
|
NOW() BETWEEN StartTime AND EndTime row[7]
|
|
Title row[8]
|
|
*/
|
|
|
|
/* Get code of the program item (row[0]) */
|
|
Item->ItmCod = Str_ConvertStrCodToLongCod (row[0]);
|
|
|
|
/* Get index of the program item (row[1]) */
|
|
Item->Index = Str_ConvertStrToUnsigned (row[1]);
|
|
|
|
/* Get level of the program item (row[2]) */
|
|
Item->Level = Str_ConvertStrToUnsigned (row[2]);
|
|
|
|
/* Get whether the program item is hidden or not (row[3]) */
|
|
Item->Hidden = (row[3][0] == 'Y');
|
|
|
|
/* Get author of the program item (row[4]) */
|
|
Item->UsrCod = Str_ConvertStrCodToLongCod (row[4]);
|
|
|
|
/* Get start date (row[5] holds the start UTC time) */
|
|
Item->TimeUTC[Dat_START_TIME] = Dat_GetUNIXTimeFromStr (row[5]);
|
|
|
|
/* Get end date (row[6] holds the end UTC time) */
|
|
Item->TimeUTC[Dat_END_TIME ] = Dat_GetUNIXTimeFromStr (row[6]);
|
|
|
|
/* Get whether the program item is open or closed (row(7)) */
|
|
Item->Open = (row[7][0] == '1');
|
|
|
|
/* Get the title of the program item (row[8]) */
|
|
Str_Copy (Item->Title,row[8],
|
|
Prg_MAX_BYTES_PROGRAM_ITEM_TITLE);
|
|
|
|
/* Can I do this program item? */
|
|
Item->IBelongToCrsOrGrps = Prg_CheckIfIBelongToCrsOrGrpsThisItem (Item->ItmCod);
|
|
}
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (mysql_res);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************ Clear all program item data ************************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_ResetItem (struct ProgramItem *Item)
|
|
{
|
|
Item->ItmCod = -1L;
|
|
Item->Index = 0;
|
|
Item->Level = 1;
|
|
Item->Hidden = false;
|
|
Item->UsrCod = -1L;
|
|
Item->TimeUTC[Dat_START_TIME] =
|
|
Item->TimeUTC[Dat_END_TIME ] = (time_t) 0;
|
|
Item->Open = false;
|
|
Item->Title[0] = '\0';
|
|
Item->IBelongToCrsOrGrps = false;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************ Free list of program items *************************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_FreeListItems (void)
|
|
{
|
|
if (Gbl.Prg.LstIsRead && Gbl.Prg.LstItmCods)
|
|
{
|
|
/***** Free memory used by the list of program items *****/
|
|
free (Gbl.Prg.LstItmCods);
|
|
Gbl.Prg.LstItmCods = NULL;
|
|
Gbl.Prg.Num = 0;
|
|
Gbl.Prg.LstIsRead = false;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************* Get program item text from database *********************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_GetPrgItemTxtFromDB (long ItmCod,char Txt[Cns_MAX_BYTES_TEXT + 1])
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned long NumRows;
|
|
|
|
/***** Get text of program item from database *****/
|
|
NumRows = DB_QuerySELECT (&mysql_res,"can not get program item text",
|
|
"SELECT Txt FROM prg_items"
|
|
" WHERE ItmCod=%ld"
|
|
" AND CrsCod=%ld", // Extra check
|
|
ItmCod,Gbl.Hierarchy.Crs.CrsCod);
|
|
|
|
/***** The result of the query must have one row or none *****/
|
|
if (NumRows == 1)
|
|
{
|
|
/* Get info text */
|
|
row = mysql_fetch_row (mysql_res);
|
|
Str_Copy (Txt,row[0],
|
|
Cns_MAX_BYTES_TEXT);
|
|
}
|
|
else
|
|
Txt[0] = '\0';
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
if (NumRows > 1)
|
|
Lay_ShowErrorAndExit ("Error when getting program item text.");
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Write parameter with code of program item ******************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_PutParamItmCod (long ItmCod)
|
|
{
|
|
Par_PutHiddenParamLong (NULL,"ItmCod",ItmCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Get parameter with code of program item *******************/
|
|
/*****************************************************************************/
|
|
|
|
long Prg_GetParamItmCod (void)
|
|
{
|
|
/***** Get code of program item *****/
|
|
return Par_GetParToLong ("ItmCod");
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************* Ask for confirmation of removing a program item ***************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_ReqRemPrgItem (void)
|
|
{
|
|
extern const char *Txt_Do_you_really_want_to_remove_the_item_X;
|
|
extern const char *Txt_Remove_item;
|
|
struct ProgramItem Item;
|
|
|
|
/***** Get parameters *****/
|
|
Grp_GetParamWhichGrps ();
|
|
|
|
/***** Get program item code *****/
|
|
if ((Item.ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get data of the program item from database *****/
|
|
Prg_GetDataOfItemByCod (&Item);
|
|
|
|
/***** Show question and button to remove the program item *****/
|
|
Prg_SetCurrentItmCod (Item.ItmCod);
|
|
Prg_SetCurrentIndex (Item.Index);
|
|
Ale_ShowAlertAndButton (ActRemPrgItm,NULL,NULL,Prg_PutParams,
|
|
Btn_REMOVE_BUTTON,Txt_Remove_item,
|
|
Ale_QUESTION,Txt_Do_you_really_want_to_remove_the_item_X,
|
|
Item.Title);
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*************************** Remove a program item ***************************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_RemovePrgItem (void)
|
|
{
|
|
extern const char *Txt_Item_X_removed;
|
|
struct ProgramItem Item;
|
|
|
|
/***** Get program item code *****/
|
|
if ((Item.ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get data of the program item from database *****/
|
|
Prg_GetDataOfItemByCod (&Item); // Inside this function, the course is checked to be the current one
|
|
|
|
/***** Remove all the groups of this program item *****/
|
|
Prg_RemoveAllTheGrpsAssociatedToAnItem (Item.ItmCod);
|
|
|
|
/***** Remove program item *****/
|
|
DB_QueryDELETE ("can not remove program item",
|
|
"DELETE FROM prg_items WHERE ItmCod=%ld AND CrsCod=%ld",
|
|
Item.ItmCod,Gbl.Hierarchy.Crs.CrsCod);
|
|
|
|
/***** Write message to show the change made *****/
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_Item_X_removed,Item.Title);
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************************** Hide a program item ***************************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_HidePrgItem (void)
|
|
{
|
|
struct ProgramItem Item;
|
|
|
|
/***** Get program item code *****/
|
|
if ((Item.ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get data of the program item from database *****/
|
|
Prg_GetDataOfItemByCod (&Item);
|
|
|
|
/***** Hide program item *****/
|
|
DB_QueryUPDATE ("can not hide program item",
|
|
"UPDATE prg_items SET Hidden='Y'"
|
|
" WHERE ItmCod=%ld"
|
|
" AND CrsCod=%ld", // Extra check
|
|
Item.ItmCod,Gbl.Hierarchy.Crs.CrsCod);
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************************** Show a program item ***************************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_ShowPrgItem (void)
|
|
{
|
|
struct ProgramItem Item;
|
|
|
|
/***** Get program item code *****/
|
|
if ((Item.ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get data of the program item from database *****/
|
|
Prg_GetDataOfItemByCod (&Item);
|
|
|
|
/***** Hide program item *****/
|
|
DB_QueryUPDATE ("can not show program item",
|
|
"UPDATE prg_items SET Hidden='N'"
|
|
" WHERE ItmCod=%ld"
|
|
" AND CrsCod=%ld", // Extra check
|
|
Item.ItmCod,Gbl.Hierarchy.Crs.CrsCod);
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************** Move up position of an item in a course program **************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_MoveUpPrgItem (void)
|
|
{
|
|
extern const char *Txt_The_item_has_been_moved_up;
|
|
extern const char *Txt_Movement_not_allowed;
|
|
struct ProgramItem Item;
|
|
unsigned TopIndex;
|
|
unsigned BottomIndex;
|
|
|
|
/***** Get program item code *****/
|
|
if ((Item.ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get data of the program item from database *****/
|
|
Prg_GetDataOfItemByCod (&Item);
|
|
|
|
/***** Get item index *****/
|
|
BottomIndex = Prg_GetParamItmInd ();
|
|
|
|
/***** Move up item *****/
|
|
if (BottomIndex > 1)
|
|
{
|
|
/* Indexes of items to be exchanged */
|
|
TopIndex = Prg_GetPrevItemIndex (BottomIndex);
|
|
if (!TopIndex)
|
|
Lay_ShowErrorAndExit ("Wrong index of item.");
|
|
|
|
/* Exchange items */
|
|
Prg_ExchangeItems (TopIndex,BottomIndex);
|
|
|
|
/* Success alert */
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_The_item_has_been_moved_up);
|
|
}
|
|
else
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Movement_not_allowed);
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************* Move down position of an item in a course program *************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_MoveDownPrgItem (void)
|
|
{
|
|
extern const char *Txt_The_item_has_been_moved_down;
|
|
extern const char *Txt_Movement_not_allowed;
|
|
extern const char *Txt_No_items;
|
|
struct ProgramItem Item;
|
|
unsigned TopIndex;
|
|
unsigned BottomIndex;
|
|
unsigned MaxIndex; // 0 if no items
|
|
|
|
/***** Get program item code *****/
|
|
if ((Item.ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get data of the program item from database *****/
|
|
Prg_GetDataOfItemByCod (&Item);
|
|
|
|
/***** Get item index *****/
|
|
TopIndex = Prg_GetParamItmInd ();
|
|
|
|
/***** Get maximum item index *****/
|
|
MaxIndex = Prg_GetMaxItemIndex ();
|
|
|
|
/***** Move down item *****/
|
|
if (MaxIndex)
|
|
{
|
|
if (TopIndex < MaxIndex)
|
|
{
|
|
/* Indexes of items to be exchanged */
|
|
BottomIndex = Prg_GetNextItemIndex (TopIndex);
|
|
if (!BottomIndex)
|
|
Lay_ShowErrorAndExit ("Wrong index of item.");
|
|
|
|
/* Exchange items */
|
|
Prg_ExchangeItems (TopIndex,BottomIndex);
|
|
|
|
/* Success alert */
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_The_item_has_been_moved_down);
|
|
}
|
|
else
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Movement_not_allowed);
|
|
}
|
|
else
|
|
Ale_ShowAlert (Ale_WARNING,Txt_No_items);
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**** Move right (increase level) position of an item in a course program ****/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_MoveRightPrgItem (void)
|
|
{
|
|
extern const char *Txt_The_item_has_been_moved_to_the_right;
|
|
extern const char *Txt_Movement_not_allowed;
|
|
struct ProgramItem Item;
|
|
unsigned PrevIndex;
|
|
unsigned PrevLevel;
|
|
unsigned NextIndex;
|
|
|
|
/***** Get program item code *****/
|
|
if ((Item.ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get data of the program item from database *****/
|
|
Prg_GetDataOfItemByCod (&Item);
|
|
|
|
/***** Move right item (increase level) *****/
|
|
/* Index of previous item */
|
|
PrevIndex = Prg_GetPrevItemIndex (Item.Index);
|
|
if (PrevIndex) // Must be >= 1
|
|
{
|
|
PrevLevel = Prg_GetItemLevelFromIndex (PrevIndex);
|
|
if (Item.Level <= PrevLevel)
|
|
{
|
|
/* Get index of next item not children */
|
|
NextIndex = Prg_GetNextIndexNotChild (&Item);
|
|
|
|
/* Move item and its children to right */
|
|
Prg_MoveItemAndChildrenLeftRight (Prg_TO_RIGHT,Item.Index,NextIndex);
|
|
|
|
/* Success alert */
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_The_item_has_been_moved_to_the_right);
|
|
}
|
|
else
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Movement_not_allowed);
|
|
}
|
|
else
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Movement_not_allowed);
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**** Move left (decrease level) position of an item in a course program *****/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_MoveLeftPrgItem (void)
|
|
{
|
|
extern const char *Txt_The_item_has_been_moved_to_the_left;
|
|
extern const char *Txt_Movement_not_allowed;
|
|
struct ProgramItem Item;
|
|
unsigned NextIndex;
|
|
|
|
/***** Get program item code *****/
|
|
if ((Item.ItmCod = Prg_GetParamItmCod ()) == -1L)
|
|
Lay_ShowErrorAndExit ("Code of program item is missing.");
|
|
|
|
/***** Get data of the program item from database *****/
|
|
Prg_GetDataOfItemByCod (&Item);
|
|
|
|
/***** Move left item (decrease level) *****/
|
|
if (Item.Level >= 1)
|
|
{
|
|
/* Get index of next item not children */
|
|
NextIndex = Prg_GetNextIndexNotChild (&Item);
|
|
|
|
/* Move item and its children to left */
|
|
Prg_MoveItemAndChildrenLeftRight (Prg_TO_LEFT,Item.Index,NextIndex);
|
|
|
|
/* Success alert */
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_The_item_has_been_moved_to_the_left);
|
|
}
|
|
else
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Movement_not_allowed);
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************* Get maximum level in a course program *******************/
|
|
/*****************************************************************************/
|
|
// Return 0 if no items
|
|
|
|
static unsigned Prg_GetMaxItemLevel (void)
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned MaxLevel = 0;
|
|
|
|
/***** Get maximum item index in a course program from database *****/
|
|
DB_QuerySELECT (&mysql_res,"can not get last item index",
|
|
"SELECT MAX(Level)"
|
|
" FROM prg_items"
|
|
" WHERE CrsCod=%ld",
|
|
Gbl.Hierarchy.Crs.CrsCod);
|
|
row = mysql_fetch_row (mysql_res);
|
|
if (row[0]) // There are items
|
|
if (sscanf (row[0],"%u",&MaxLevel) != 1)
|
|
Lay_ShowErrorAndExit ("Error when getting maximum item level.");
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
return MaxLevel;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Get maximum item index in a course program *****************/
|
|
/*****************************************************************************/
|
|
// Question index can be 1, 2, 3...
|
|
// Return 0 if no items
|
|
|
|
static unsigned Prg_GetMaxItemIndex (void)
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned MaxIndex = 0;
|
|
|
|
/***** Get maximum item index in a course program from database *****/
|
|
DB_QuerySELECT (&mysql_res,"can not get last item index",
|
|
"SELECT MAX(ItmInd)"
|
|
" FROM prg_items"
|
|
" WHERE CrsCod=%ld",
|
|
Gbl.Hierarchy.Crs.CrsCod);
|
|
row = mysql_fetch_row (mysql_res);
|
|
if (row[0]) // There are items
|
|
if (sscanf (row[0],"%u",&MaxIndex) != 1)
|
|
Lay_ShowErrorAndExit ("Error when getting last item index.");
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
return MaxIndex;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******** Get previous item index to a given index in current course *********/
|
|
/*****************************************************************************/
|
|
// Input item index can be 1, 2, 3... n-1
|
|
// Return item index will be 1, 2, 3... n if previous item exists, or 0 if no previous item
|
|
|
|
static unsigned Prg_GetPrevItemIndex (unsigned Index)
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned PrevIndex = 0;
|
|
|
|
/***** Get previous item index in a course from database *****/
|
|
// Although indexes are always continuous...
|
|
// ...this implementation works even with non continuous indexes
|
|
if (!DB_QuerySELECT (&mysql_res,"can not get previous item index",
|
|
"SELECT MAX(ItmInd)" // row[0]
|
|
" FROM prg_items"
|
|
" WHERE CrsCod=%ld"
|
|
" AND ItmInd<%u",
|
|
Gbl.Hierarchy.Crs.CrsCod,Index))
|
|
Lay_ShowErrorAndExit ("Error: previous item index not found.");
|
|
|
|
/***** Get previous item index (row[0]) *****/
|
|
row = mysql_fetch_row (mysql_res);
|
|
if (row)
|
|
if (row[0])
|
|
if (sscanf (row[0],"%u",&PrevIndex) != 1)
|
|
Lay_ShowErrorAndExit ("Error when getting previous item index.");
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
return PrevIndex;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********** Get next item index to a given index in current course ***********/
|
|
/*****************************************************************************/
|
|
// Input item index can be 0, 1, 2, 3... n-1
|
|
// Return item index will be 1, 2, 3... n if next item exists, or 0 if no next item
|
|
|
|
static unsigned Prg_GetNextItemIndex (unsigned Index)
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned NextIndex = 0;
|
|
|
|
/***** Get next item index in a course from database *****/
|
|
// Although indexes are always continuous...
|
|
// ...this implementation works even with non continuous indexes
|
|
if (!DB_QuerySELECT (&mysql_res,"can not get next item index",
|
|
"SELECT MIN(ItmInd)" // row[0]
|
|
" FROM prg_items"
|
|
" WHERE CrsCod=%ld"
|
|
" AND ItmInd>%u",
|
|
Gbl.Hierarchy.Crs.CrsCod,Index))
|
|
Lay_ShowErrorAndExit ("Error: next item index not found.");
|
|
|
|
/***** Get next item index (row[0]) *****/
|
|
row = mysql_fetch_row (mysql_res);
|
|
if (row)
|
|
if (row[0])
|
|
if (sscanf (row[0],"%u",&NextIndex) != 1)
|
|
Lay_ShowErrorAndExit ("Error when getting next item index.");
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
return NextIndex;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************** Get item level from item index in current course *************/
|
|
/*****************************************************************************/
|
|
|
|
static unsigned Prg_GetItemLevelFromIndex (unsigned Index)
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned Level = 0;
|
|
|
|
/***** Get previous item index in a course from database *****/
|
|
// Although indexes are always continuous...
|
|
// ...this implementation works even with non continuous indexes
|
|
if (!DB_QuerySELECT (&mysql_res,"can not get item level",
|
|
"SELECT Level" // row[0]
|
|
" FROM prg_items"
|
|
" WHERE CrsCod=%ld AND ItmInd=%u",
|
|
Gbl.Hierarchy.Crs.CrsCod,Index))
|
|
Lay_ShowErrorAndExit ("Error: previous item index not found.");
|
|
|
|
/***** Get previous item index (row[0]) *****/
|
|
row = mysql_fetch_row (mysql_res);
|
|
if (row)
|
|
if (row[0])
|
|
if (sscanf (row[0],"%u",&Level) != 1)
|
|
Lay_ShowErrorAndExit ("Error when getting previous item index.");
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
return Level;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************** Get next index not children in current course ****************/
|
|
/*****************************************************************************/
|
|
// Return 0 if no item found
|
|
|
|
static unsigned Prg_GetNextIndexNotChild (const struct ProgramItem *Item)
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned NextIndex = 0; // 0 means no next item found
|
|
|
|
/***** Get next item index which is not child of the given item *****/
|
|
// Although indexes are always continuous...
|
|
// ...this implementation works even with non continuous indexes
|
|
if (!DB_QuerySELECT (&mysql_res,"can not get next item",
|
|
"SELECT MIN(ItmInd)" // row[0]
|
|
" FROM prg_items"
|
|
" WHERE CrsCod=%ld"
|
|
" AND ItmInd>%u AND Level<=%u",
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
Item->Index,Item->Level))
|
|
Lay_ShowErrorAndExit ("Error: next item not found.");
|
|
|
|
/***** Get next item index (row[0]) *****/
|
|
row = mysql_fetch_row (mysql_res);
|
|
if (row)
|
|
if (row[0])
|
|
if (sscanf (row[0],"%u",&NextIndex) != 1)
|
|
Lay_ShowErrorAndExit ("Error when getting next item.");
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
return NextIndex;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Move item and its children to left or right ****************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_MoveItemAndChildrenLeftRight (Prg_LeftRight LeftRight,
|
|
unsigned Index,unsigned NextIndex)
|
|
{
|
|
static const char *Update[Prg_NUM_LEFT_RIGHT] =
|
|
{
|
|
[Prg_TO_LEFT ] = "-1",
|
|
[Prg_TO_RIGHT] = "+1"
|
|
};
|
|
|
|
if (NextIndex == 0) // At the end, no more not-children items
|
|
DB_QueryUPDATE ("can not move items",
|
|
"UPDATE prg_items SET Level=Level%s"
|
|
" WHERE CrsCod=%ld"
|
|
" AND ItmInd>=%u",
|
|
Update[LeftRight],
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
Index);
|
|
else
|
|
DB_QueryUPDATE ("can not move items",
|
|
"UPDATE prg_items SET Level=Level%s"
|
|
" WHERE CrsCod=%ld"
|
|
" AND ItmInd>=%u AND ItmInd<%u",
|
|
Update[LeftRight],
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
Index,NextIndex);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****** Exchange the order of two consecutive items in a course program ******/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_ExchangeItems (unsigned TopIndex,unsigned BottomIndex)
|
|
{
|
|
/***** Lock table to make the move atomic *****/
|
|
DB_Query ("can not lock tables to move program item",
|
|
"LOCK TABLES prg_items WRITE");
|
|
Gbl.DB.LockedTables = true;
|
|
|
|
/***** Exchange indexes of items *****/
|
|
/*
|
|
Example:
|
|
TopIndex = 1; TopItmCod = 218
|
|
BottomIndex = 2; BottomItmCod = 220
|
|
Step 1 Step 2 Step 3 (Equivalent to)
|
|
+------+------+ +------+------+ +------+------+ +------+------+ +------+------+
|
|
|ItmInd|ItmCod| |ItmInd|ItmCod| |ItmInd|ItmCod| |ItmInd|ItmCod| |ItmInd|ItmCod|
|
|
+------+------+ +------+------+ +------+------+ +------+------+ +------+------+
|
|
Top: 1| 218| | 1| 218|-->| ->2| 218| | 2| 218|=| 1| 220|
|
|
Bottom: 2| 220|-->| ->0| 220| | 0| 220|-->| ->1| 220| | 2| 218|
|
|
| 3| 232| | 3| 232| | 3| 232| | 3| 232| | 3| 232|
|
|
+------+------+ +------+------+ +------+------+ +------+------+ +------+------+
|
|
*/
|
|
/* Step 1: Set temporary bottom index to 0,
|
|
necessary to preserve unique index (CrsCod,ItmInd) */
|
|
DB_QueryUPDATE ("can not exchange indexes of items",
|
|
"UPDATE prg_items SET ItmInd=0"
|
|
" WHERE CrsCod=%ld AND ItmInd=%u",
|
|
Gbl.Hierarchy.Crs.CrsCod,BottomIndex);
|
|
|
|
/* Step 2: Set new top index to old bottom index */
|
|
DB_QueryUPDATE ("can not exchange indexes of items",
|
|
"UPDATE prg_items SET ItmInd=%u"
|
|
" WHERE CrsCod=%ld AND ItmInd=%u",
|
|
BottomIndex,
|
|
Gbl.Hierarchy.Crs.CrsCod,TopIndex);
|
|
|
|
/* Step 3: Set new bottom index to old top index */
|
|
DB_QueryUPDATE ("can not exchange indexes of items",
|
|
"UPDATE prg_items SET ItmInd=%u"
|
|
" WHERE CrsCod=%ld AND ItmInd=0",
|
|
TopIndex,
|
|
Gbl.Hierarchy.Crs.CrsCod);
|
|
|
|
/***** Unlock table *****/
|
|
Gbl.DB.LockedTables = false; // Set to false before the following unlock...
|
|
// ...to not retry the unlock if error in unlocking
|
|
DB_Query ("can not unlock tables after moving items",
|
|
"UNLOCK TABLES");
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*************** Check if the title of a program item exists *****************/
|
|
/*****************************************************************************/
|
|
|
|
static bool Prg_CheckIfSimilarPrgItemExists (const char *Field,const char *Value,long ItmCod)
|
|
{
|
|
/***** Get number of program items with a field value from database *****/
|
|
return (DB_QueryCOUNT ("can not get similar program items",
|
|
"SELECT COUNT(*) FROM prg_items"
|
|
" WHERE CrsCod=%ld"
|
|
" AND %s='%s' AND ItmCod<>%ld",
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
Field,Value,ItmCod) != 0);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Put a form to create a new program item *******************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_RequestCreatOrEditPrgItem (void)
|
|
{
|
|
extern const char *Hlp_COURSE_Program_new_item;
|
|
extern const char *Hlp_COURSE_Program_edit_item;
|
|
extern const char *Txt_New_item;
|
|
extern const char *Txt_Edit_item;
|
|
extern const char *Txt_Title;
|
|
extern const char *Txt_Description;
|
|
extern const char *Txt_Create_item;
|
|
extern const char *Txt_Save_changes;
|
|
struct ProgramItem Item;
|
|
bool ItsANewItem;
|
|
char Txt[Cns_MAX_BYTES_TEXT + 1];
|
|
static const Dat_SetHMS SetHMS[Dat_NUM_START_END_TIME] =
|
|
{
|
|
Dat_HMS_TO_000000,
|
|
Dat_HMS_TO_235959
|
|
};
|
|
|
|
/***** Get parameters *****/
|
|
Grp_GetParamWhichGrps ();
|
|
|
|
/***** Get the code of the program item *****/
|
|
ItsANewItem = ((Item.ItmCod = Prg_GetParamItmCod ()) == -1L);
|
|
|
|
/***** Get from the database the data of the program item *****/
|
|
if (ItsANewItem)
|
|
{
|
|
/* Initialize to empty program item */
|
|
Prg_ResetItem (&Item);
|
|
Item.TimeUTC[Dat_START_TIME] = Gbl.StartExecutionTimeUTC;
|
|
Item.TimeUTC[Dat_END_TIME ] = Gbl.StartExecutionTimeUTC + (2 * 60 * 60); // +2 hours
|
|
Item.Open = true;
|
|
}
|
|
else
|
|
{
|
|
/* Get data of the program item from database */
|
|
Prg_GetDataOfItemByCod (&Item);
|
|
|
|
/* Get text of the program item from database */
|
|
Prg_GetPrgItemTxtFromDB (Item.ItmCod,Txt);
|
|
}
|
|
|
|
/***** Begin form *****/
|
|
if (ItsANewItem)
|
|
{
|
|
Frm_StartForm (ActNewPrgItm);
|
|
Prg_SetCurrentItmCod (-1L);
|
|
Prg_SetCurrentIndex (0);
|
|
}
|
|
else
|
|
{
|
|
Frm_StartForm (ActChgPrgItm);
|
|
Prg_SetCurrentItmCod (Item.ItmCod);
|
|
Prg_SetCurrentIndex (Item.Index);
|
|
}
|
|
Prg_PutParams ();
|
|
|
|
/***** Begin box and table *****/
|
|
if (ItsANewItem)
|
|
Box_BoxTableBegin (NULL,Txt_New_item,NULL,
|
|
Hlp_COURSE_Program_new_item,Box_NOT_CLOSABLE,2);
|
|
else
|
|
Box_BoxTableBegin (NULL,
|
|
Item.Title[0] ? Item.Title :
|
|
Txt_Edit_item,
|
|
NULL,
|
|
Hlp_COURSE_Program_edit_item,Box_NOT_CLOSABLE,2);
|
|
|
|
|
|
/***** Schedule item title *****/
|
|
HTM_TR_Begin (NULL);
|
|
|
|
/* Label */
|
|
Frm_LabelColumn ("RM","Title",Txt_Title);
|
|
|
|
/* Data */
|
|
HTM_TD_Begin ("class=\"LM\"");
|
|
HTM_INPUT_TEXT ("Title",Prg_MAX_CHARS_PROGRAM_ITEM_TITLE,Item.Title,false,
|
|
"id=\"Title\" required=\"required\""
|
|
" class=\"TITLE_DESCRIPTION_WIDTH\"");
|
|
HTM_TD_End ();
|
|
|
|
HTM_TR_End ();
|
|
|
|
/***** Program item start and end dates *****/
|
|
Dat_PutFormStartEndClientLocalDateTimes (Item.TimeUTC,
|
|
Dat_FORM_SECONDS_ON,
|
|
SetHMS);
|
|
|
|
/***** Program item text *****/
|
|
HTM_TR_Begin (NULL);
|
|
|
|
/* Label */
|
|
Frm_LabelColumn ("RT","Txt",Txt_Description);
|
|
|
|
/* Data */
|
|
HTM_TD_Begin ("class=\"LT\"");
|
|
HTM_TEXTAREA_Begin ("id=\"Txt\" name=\"Txt\" rows=\"10\""
|
|
" class=\"TITLE_DESCRIPTION_WIDTH\"");
|
|
if (!ItsANewItem)
|
|
HTM_Txt (Txt);
|
|
HTM_TEXTAREA_End ();
|
|
HTM_TD_End ();
|
|
|
|
HTM_TR_End ();
|
|
|
|
/***** Groups *****/
|
|
Prg_ShowLstGrpsToEditPrgItem (Item.ItmCod);
|
|
|
|
/***** End table, send button and end box *****/
|
|
if (ItsANewItem)
|
|
Box_BoxTableWithButtonEnd (Btn_CREATE_BUTTON,Txt_Create_item);
|
|
else
|
|
Box_BoxTableWithButtonEnd (Btn_CONFIRM_BUTTON,Txt_Save_changes);
|
|
|
|
/***** End form *****/
|
|
Frm_EndForm ();
|
|
|
|
/***** Show current program items, if any *****/
|
|
Prg_ShowAllItems ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*************** Show list of groups to edit and program item ****************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_ShowLstGrpsToEditPrgItem (long ItmCod)
|
|
{
|
|
extern const char *Hlp_USERS_Groups;
|
|
extern const char *The_ClassFormInBox[The_NUM_THEMES];
|
|
extern const char *Txt_Groups;
|
|
extern const char *Txt_The_whole_course;
|
|
unsigned NumGrpTyp;
|
|
|
|
/***** Get list of groups types and groups in this course *****/
|
|
Grp_GetListGrpTypesAndGrpsInThisCrs (Grp_ONLY_GROUP_TYPES_WITH_GROUPS);
|
|
|
|
if (Gbl.Crs.Grps.GrpTypes.Num)
|
|
{
|
|
/***** Begin box and table *****/
|
|
HTM_TR_Begin (NULL);
|
|
|
|
HTM_TD_Begin ("class=\"%s RT\"",The_ClassFormInBox[Gbl.Prefs.Theme]);
|
|
HTM_TxtF ("%s:",Txt_Groups);
|
|
HTM_TD_End ();
|
|
|
|
HTM_TD_Begin ("class=\"LT\"");
|
|
Box_BoxTableBegin ("100%",NULL,NULL,
|
|
Hlp_USERS_Groups,Box_NOT_CLOSABLE,0);
|
|
|
|
/***** First row: checkbox to select the whole course *****/
|
|
HTM_TR_Begin (NULL);
|
|
|
|
HTM_TD_Begin ("colspan=\"7\" class=\"DAT LM\"");
|
|
HTM_LABEL_Begin (NULL);
|
|
HTM_INPUT_CHECKBOX ("WholeCrs",false,
|
|
"id=\"WholeCrs\" value=\"Y\"%s"
|
|
" onclick=\"uncheckChildren(this,'GrpCods')\"",
|
|
Prg_CheckIfItemIsAssociatedToGrps (ItmCod) ? "" :
|
|
" checked=\"checked\"");
|
|
HTM_TxtF ("%s %s",Txt_The_whole_course,Gbl.Hierarchy.Crs.ShrtName);
|
|
HTM_LABEL_End ();
|
|
HTM_TD_End ();
|
|
|
|
HTM_TR_End ();
|
|
|
|
/***** List the groups for each group type *****/
|
|
for (NumGrpTyp = 0;
|
|
NumGrpTyp < Gbl.Crs.Grps.GrpTypes.Num;
|
|
NumGrpTyp++)
|
|
if (Gbl.Crs.Grps.GrpTypes.LstGrpTypes[NumGrpTyp].NumGrps)
|
|
Grp_ListGrpsToEditAsgAttSvyMch (&Gbl.Crs.Grps.GrpTypes.LstGrpTypes[NumGrpTyp],
|
|
ItmCod,Grp_PROGRAM_ITEM);
|
|
|
|
/***** End table and box *****/
|
|
Box_BoxTableEnd ();
|
|
HTM_TD_End ();
|
|
|
|
HTM_TR_End ();
|
|
}
|
|
|
|
/***** Free list of groups types and groups in this course *****/
|
|
Grp_FreeListGrpTypesAndGrps ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Receive form to create a new program item *****************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_RecFormPrgItem (void)
|
|
{
|
|
extern const char *Txt_Already_existed_an_item_with_the_title_X;
|
|
extern const char *Txt_You_must_specify_the_title_of_the_item;
|
|
extern const char *Txt_Created_new_item_X;
|
|
extern const char *Txt_The_item_has_been_modified;
|
|
struct ProgramItem OldItem; // Current program item data in database
|
|
struct ProgramItem NewItem; // Schedule item data received from form
|
|
bool ItsANewItem;
|
|
bool NewItemIsCorrect = true;
|
|
char Description[Cns_MAX_BYTES_TEXT + 1];
|
|
|
|
/***** Get the code of the program item *****/
|
|
NewItem.ItmCod = Prg_GetParamItmCod ();
|
|
ItsANewItem = (NewItem.ItmCod < 0);
|
|
|
|
if (ItsANewItem)
|
|
/***** Reset old (current, not existing) program item data *****/
|
|
Prg_ResetItem (&OldItem);
|
|
else
|
|
{
|
|
/***** Get data of the old (current) program item from database *****/
|
|
OldItem.ItmCod = NewItem.ItmCod;
|
|
Prg_GetDataOfItemByCod (&OldItem);
|
|
}
|
|
|
|
/***** Get start/end date-times *****/
|
|
NewItem.TimeUTC[Dat_START_TIME] = Dat_GetTimeUTCFromForm ("StartTimeUTC");
|
|
NewItem.TimeUTC[Dat_END_TIME ] = Dat_GetTimeUTCFromForm ("EndTimeUTC" );
|
|
|
|
/***** Get program item title *****/
|
|
Par_GetParToText ("Title",NewItem.Title,Prg_MAX_BYTES_PROGRAM_ITEM_TITLE);
|
|
|
|
/***** Get program item text *****/
|
|
Par_GetParToHTML ("Txt",Description,Cns_MAX_BYTES_TEXT); // Store in HTML format (not rigorous)
|
|
|
|
/***** Adjust dates *****/
|
|
if (NewItem.TimeUTC[Dat_START_TIME] == 0)
|
|
NewItem.TimeUTC[Dat_START_TIME] = Gbl.StartExecutionTimeUTC;
|
|
if (NewItem.TimeUTC[Dat_END_TIME] == 0)
|
|
NewItem.TimeUTC[Dat_END_TIME] = NewItem.TimeUTC[Dat_START_TIME] + 2 * 60 * 60; // +2 hours
|
|
|
|
/***** Check if title is correct *****/
|
|
if (NewItem.Title[0]) // If there's a program item title
|
|
{
|
|
/* If title of program item was in database... */
|
|
if (Prg_CheckIfSimilarPrgItemExists ("Title",NewItem.Title,NewItem.ItmCod))
|
|
{
|
|
NewItemIsCorrect = false;
|
|
|
|
Ale_ShowAlert (Ale_WARNING,Txt_Already_existed_an_item_with_the_title_X,
|
|
NewItem.Title);
|
|
}
|
|
}
|
|
else // If there is not a program item title
|
|
{
|
|
NewItemIsCorrect = false;
|
|
Ale_ShowAlert (Ale_WARNING,Txt_You_must_specify_the_title_of_the_item);
|
|
}
|
|
|
|
/***** Create a new program item or update an existing one *****/
|
|
if (NewItemIsCorrect)
|
|
{
|
|
/* Get groups for this program items */
|
|
Grp_GetParCodsSeveralGrps ();
|
|
|
|
if (ItsANewItem)
|
|
{
|
|
Prg_CreatePrgItem (&NewItem,Description); // Add new program item to database
|
|
|
|
/***** Write success message *****/
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_Created_new_item_X,
|
|
NewItem.Title);
|
|
}
|
|
else
|
|
{
|
|
Prg_UpdatePrgItem (&NewItem,Description);
|
|
|
|
/***** Write success message *****/
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_The_item_has_been_modified);
|
|
}
|
|
|
|
/* Free memory for list of selected groups */
|
|
Grp_FreeListCodSelectedGrps ();
|
|
|
|
/***** Show program items again *****/
|
|
Prg_SeeCourseProgram ();
|
|
}
|
|
else
|
|
// TODO: The form should be filled with partial data, now is always empty
|
|
Prg_RequestCreatOrEditPrgItem ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************ Create a new program item **************************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_CreatePrgItem (struct ProgramItem *Item,const char *Txt)
|
|
{
|
|
unsigned MaxIndex;
|
|
|
|
/***** Lock table to create program item *****/
|
|
DB_Query ("can not lock tables to create program item",
|
|
"LOCK TABLES prg_items WRITE");
|
|
Gbl.DB.LockedTables = true;
|
|
|
|
/***** Get maximum item index *****/
|
|
MaxIndex = Prg_GetMaxItemIndex ();
|
|
|
|
/***** Create a new program item *****/
|
|
Item->Index = MaxIndex + 1;
|
|
Item->ItmCod =
|
|
DB_QueryINSERTandReturnCode ("can not create new program item",
|
|
"INSERT INTO prg_items"
|
|
" (ItmInd,CrsCod,UsrCod,StartTime,EndTime,Title,Txt)"
|
|
" VALUES"
|
|
" (%u,%ld,%ld,FROM_UNIXTIME(%ld),FROM_UNIXTIME(%ld),"
|
|
"'%s','%s')",
|
|
Item->Index,
|
|
Gbl.Hierarchy.Crs.CrsCod,
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
Item->TimeUTC[Dat_START_TIME],
|
|
Item->TimeUTC[Dat_END_TIME ],
|
|
Item->Title,
|
|
Txt);
|
|
|
|
/***** Unlock table *****/
|
|
Gbl.DB.LockedTables = false; // Set to false before the following unlock...
|
|
// ...to not retry the unlock if error in unlocking
|
|
DB_Query ("can not unlock tables after moving items",
|
|
"UNLOCK TABLES");
|
|
|
|
/***** Create groups *****/
|
|
if (Gbl.Crs.Grps.LstGrpsSel.NumGrps)
|
|
Prg_CreateGrps (Item->ItmCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************** Update an existing program item ************************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_UpdatePrgItem (struct ProgramItem *Item,const char *Txt)
|
|
{
|
|
/***** Update the data of the program item *****/
|
|
DB_QueryUPDATE ("can not update program item",
|
|
"UPDATE prg_items SET "
|
|
"StartTime=FROM_UNIXTIME(%ld),"
|
|
"EndTime=FROM_UNIXTIME(%ld),"
|
|
"Title='%s',Txt='%s'"
|
|
" WHERE ItmCod=%ld"
|
|
" AND CrsCod=%ld", // Extra check
|
|
Item->TimeUTC[Dat_START_TIME],
|
|
Item->TimeUTC[Dat_END_TIME ],
|
|
Item->Title,
|
|
Txt,
|
|
Item->ItmCod,Gbl.Hierarchy.Crs.CrsCod);
|
|
|
|
/***** Update groups *****/
|
|
/* Remove old groups */
|
|
Prg_RemoveAllTheGrpsAssociatedToAnItem (Item->ItmCod);
|
|
|
|
/* Create new groups */
|
|
if (Gbl.Crs.Grps.LstGrpsSel.NumGrps)
|
|
Prg_CreateGrps (Item->ItmCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********** Check if a program item is associated to any group **************/
|
|
/*****************************************************************************/
|
|
|
|
static bool Prg_CheckIfItemIsAssociatedToGrps (long ItmCod)
|
|
{
|
|
/***** Get if a program item is associated to a group from database *****/
|
|
return (DB_QueryCOUNT ("can not check if a program item"
|
|
" is associated to groups",
|
|
"SELECT COUNT(*) FROM prg_grp WHERE ItmCod=%ld",
|
|
ItmCod) != 0);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************ Check if a program item is associated to a group ***************/
|
|
/*****************************************************************************/
|
|
|
|
bool Prg_CheckIfItemIsAssociatedToGrp (long ItmCod,long GrpCod)
|
|
{
|
|
/***** Get if a program item is associated to a group from database *****/
|
|
return (DB_QueryCOUNT ("can not check if a program item"
|
|
" is associated to a group",
|
|
"SELECT COUNT(*) FROM prg_grp"
|
|
" WHERE ItmCod=%ld AND GrpCod=%ld",
|
|
ItmCod,GrpCod) != 0);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************* Remove groups of a program item ***********************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_RemoveAllTheGrpsAssociatedToAnItem (long ItmCod)
|
|
{
|
|
/***** Remove groups of the program item *****/
|
|
DB_QueryDELETE ("can not remove the groups associated to a program item",
|
|
"DELETE FROM prg_grp WHERE ItmCod=%ld",
|
|
ItmCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*************** Remove one group from all the program items *****************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_RemoveGroup (long GrpCod)
|
|
{
|
|
/***** Remove group from all the program items *****/
|
|
DB_QueryDELETE ("can not remove group from the associations"
|
|
" between program items and groups",
|
|
"DELETE FROM prg_grp WHERE GrpCod=%ld",
|
|
GrpCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********** Remove groups of one type from all the program items *************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_RemoveGroupsOfType (long GrpTypCod)
|
|
{
|
|
/***** Remove group from all the program items *****/
|
|
DB_QueryDELETE ("can not remove groups of a type from the associations"
|
|
" between program items and groups",
|
|
"DELETE FROM prg_grp USING crs_grp,prg_grp"
|
|
" WHERE crs_grp.GrpTypCod=%ld"
|
|
" AND crs_grp.GrpCod=prg_grp.GrpCod",
|
|
GrpTypCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************* Create groups of a program item ***********************/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_CreateGrps (long ItmCod)
|
|
{
|
|
unsigned NumGrpSel;
|
|
|
|
/***** Create groups of the program item *****/
|
|
for (NumGrpSel = 0;
|
|
NumGrpSel < Gbl.Crs.Grps.LstGrpsSel.NumGrps;
|
|
NumGrpSel++)
|
|
/* Create group */
|
|
DB_QueryINSERT ("can not associate a group to a program item",
|
|
"INSERT INTO prg_grp"
|
|
" (ItmCod,GrpCod)"
|
|
" VALUES"
|
|
" (%ld,%ld)",
|
|
ItmCod,
|
|
Gbl.Crs.Grps.LstGrpsSel.GrpCods[NumGrpSel]);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********* Get and write the names of the groups of a program item ***********/
|
|
/*****************************************************************************/
|
|
|
|
static void Prg_GetAndWriteNamesOfGrpsAssociatedToItem (struct ProgramItem *Item)
|
|
{
|
|
extern const char *Txt_Group;
|
|
extern const char *Txt_Groups;
|
|
extern const char *Txt_and;
|
|
extern const char *Txt_The_whole_course;
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned long NumRow;
|
|
unsigned long NumRows;
|
|
|
|
/***** Get groups associated to a program item from database *****/
|
|
NumRows = DB_QuerySELECT (&mysql_res,"can not get groups of a program item",
|
|
"SELECT crs_grp_types.GrpTypName," // row[0]
|
|
"crs_grp.GrpName" // row[1]
|
|
" FROM prg_grp,crs_grp,"
|
|
"crs_grp_types"
|
|
" WHERE prg_grp.ItmCod=%ld"
|
|
" AND prg_grp.GrpCod=crs_grp.GrpCod"
|
|
" AND crs_grp.GrpTypCod=crs_grp_types.GrpTypCod"
|
|
" ORDER BY crs_grp_types.GrpTypName,"
|
|
"crs_grp.GrpName",
|
|
Item->ItmCod);
|
|
|
|
/***** Write heading *****/
|
|
HTM_DIV_Begin ("class=\"%s\"",Item->Hidden ? "ASG_GRP_LIGHT" :
|
|
"ASG_GRP");
|
|
HTM_TxtColonNBSP (NumRows == 1 ? Txt_Group :
|
|
Txt_Groups);
|
|
|
|
/***** Write groups *****/
|
|
if (NumRows) // Groups found...
|
|
{
|
|
/* Get and write the group types and names */
|
|
for (NumRow = 0;
|
|
NumRow < NumRows;
|
|
NumRow++)
|
|
{
|
|
/* Get next group */
|
|
row = mysql_fetch_row (mysql_res);
|
|
|
|
/* Write group type name and group name */
|
|
HTM_TxtF ("%s %s",row[0],row[1]);
|
|
|
|
if (NumRows >= 2)
|
|
{
|
|
if (NumRow == NumRows-2)
|
|
HTM_TxtF (" %s ",Txt_and);
|
|
if (NumRows >= 3)
|
|
if (NumRow < NumRows-2)
|
|
HTM_Txt (", ");
|
|
}
|
|
}
|
|
}
|
|
else
|
|
HTM_TxtF ("%s %s",Txt_The_whole_course,Gbl.Hierarchy.Crs.ShrtName);
|
|
|
|
HTM_DIV_End ();
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Remove all the program items of a course ******************/
|
|
/*****************************************************************************/
|
|
|
|
void Prg_RemoveCrsItems (long CrsCod)
|
|
{
|
|
/***** Remove groups *****/
|
|
DB_QueryDELETE ("can not remove all the groups associated"
|
|
" to program items of a course",
|
|
"DELETE FROM prg_grp USING prg_items,prg_grp"
|
|
" WHERE prg_items.CrsCod=%ld"
|
|
" AND prg_items.ItmCod=prg_grp.ItmCod",
|
|
CrsCod);
|
|
|
|
/***** Remove program items *****/
|
|
DB_QueryDELETE ("can not remove all the program items of a course",
|
|
"DELETE FROM prg_items WHERE CrsCod=%ld",
|
|
CrsCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******** Check if I belong to any of the groups of a program item ***********/
|
|
/*****************************************************************************/
|
|
|
|
static bool Prg_CheckIfIBelongToCrsOrGrpsThisItem (long ItmCod)
|
|
{
|
|
switch (Gbl.Usrs.Me.Role.Logged)
|
|
{
|
|
case Rol_STD:
|
|
case Rol_NET:
|
|
case Rol_TCH:
|
|
// Students and teachers can do program items depending on groups
|
|
/***** Get if I can do a program item from database *****/
|
|
return (DB_QueryCOUNT ("can not check if I can do a program item",
|
|
"SELECT COUNT(*) FROM prg_items"
|
|
" WHERE ItmCod=%ld"
|
|
" AND "
|
|
"("
|
|
// Schedule item is for the whole course
|
|
"ItmCod NOT IN (SELECT ItmCod FROM prg_grp)"
|
|
" OR "
|
|
// Schedule item is for specific groups
|
|
"ItmCod IN"
|
|
" (SELECT prg_grp.ItmCod FROM prg_grp,crs_grp_usr"
|
|
" WHERE crs_grp_usr.UsrCod=%ld"
|
|
" AND prg_grp.GrpCod=crs_grp_usr.GrpCod)"
|
|
")",
|
|
ItmCod,Gbl.Usrs.Me.UsrDat.UsrCod) != 0);
|
|
case Rol_SYS_ADM:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Get number of items in a course program *******************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned Prg_GetNumItemsInCrsProgram (long CrsCod)
|
|
{
|
|
/***** Get number of items in a course program from database *****/
|
|
return
|
|
(unsigned) DB_QueryCOUNT ("can not get number of items in course program",
|
|
"SELECT COUNT(*) FROM prg_items"
|
|
" WHERE CrsCod=%ld",
|
|
CrsCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****************** Get number of courses with program items *****************/
|
|
/*****************************************************************************/
|
|
// Returns the number of courses with program items
|
|
// in this location (all the platform, current degree or current course)
|
|
|
|
unsigned Prg_GetNumCoursesWithItems (Hie_Level_t Scope)
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned NumCourses;
|
|
|
|
/***** Get number of courses with program items from database *****/
|
|
switch (Scope)
|
|
{
|
|
case Hie_SYS:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of courses with program items",
|
|
"SELECT COUNT(DISTINCT CrsCod)"
|
|
" FROM prg_items"
|
|
" WHERE CrsCod>0");
|
|
break;
|
|
case Hie_CTY:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of courses with program items",
|
|
"SELECT COUNT(DISTINCT prg_items.CrsCod)"
|
|
" FROM institutions,centres,degrees,courses,prg_items"
|
|
" WHERE institutions.CtyCod=%ld"
|
|
" AND institutions.InsCod=centres.InsCod"
|
|
" AND centres.CtrCod=degrees.CtrCod"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.Status=0"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Cty.CtyCod);
|
|
break;
|
|
case Hie_INS:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of courses with program items",
|
|
"SELECT COUNT(DISTINCT prg_items.CrsCod)"
|
|
" FROM centres,degrees,courses,prg_items"
|
|
" WHERE centres.InsCod=%ld"
|
|
" AND centres.CtrCod=degrees.CtrCod"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.Status=0"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Ins.InsCod);
|
|
break;
|
|
case Hie_CTR:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of courses with program items",
|
|
"SELECT COUNT(DISTINCT prg_items.CrsCod)"
|
|
" FROM degrees,courses,prg_items"
|
|
" WHERE degrees.CtrCod=%ld"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.Status=0"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Ctr.CtrCod);
|
|
break;
|
|
case Hie_DEG:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of courses with program items",
|
|
"SELECT COUNT(DISTINCT prg_items.CrsCod)"
|
|
" FROM courses,prg_items"
|
|
" WHERE courses.DegCod=%ld"
|
|
" AND courses.Status=0"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Deg.DegCod);
|
|
break;
|
|
case Hie_CRS:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of courses with program items",
|
|
"SELECT COUNT(DISTINCT CrsCod)"
|
|
" FROM prg_items"
|
|
" WHERE CrsCod=%ld",
|
|
Gbl.Hierarchy.Crs.CrsCod);
|
|
break;
|
|
default:
|
|
Lay_WrongScopeExit ();
|
|
break;
|
|
}
|
|
|
|
/***** Get number of courses *****/
|
|
row = mysql_fetch_row (mysql_res);
|
|
if (sscanf (row[0],"%u",&NumCourses) != 1)
|
|
Lay_ShowErrorAndExit ("Error when getting number of courses with program items.");
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
return NumCourses;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************ Get number of program items ************************/
|
|
/*****************************************************************************/
|
|
// Returns the number of program items in a hierarchy scope
|
|
|
|
unsigned Prg_GetNumItems (Hie_Level_t Scope)
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned NumItems;
|
|
|
|
/***** Get number of program items from database *****/
|
|
switch (Scope)
|
|
{
|
|
case Hie_SYS:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of program items",
|
|
"SELECT COUNT(*)"
|
|
" FROM prg_items"
|
|
" WHERE CrsCod>0");
|
|
break;
|
|
case Hie_CTY:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of program items",
|
|
"SELECT COUNT(*)"
|
|
" FROM institutions,centres,degrees,courses,prg_items"
|
|
" WHERE institutions.CtyCod=%ld"
|
|
" AND institutions.InsCod=centres.InsCod"
|
|
" AND centres.CtrCod=degrees.CtrCod"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Cty.CtyCod);
|
|
break;
|
|
case Hie_INS:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of program items",
|
|
"SELECT COUNT(*)"
|
|
" FROM centres,degrees,courses,prg_items"
|
|
" WHERE centres.InsCod=%ld"
|
|
" AND centres.CtrCod=degrees.CtrCod"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Ins.InsCod);
|
|
break;
|
|
case Hie_CTR:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of program items",
|
|
"SELECT COUNT(*)"
|
|
" FROM degrees,courses,prg_items"
|
|
" WHERE degrees.CtrCod=%ld"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Ctr.CtrCod);
|
|
break;
|
|
case Hie_DEG:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of program items",
|
|
"SELECT COUNT(*)"
|
|
" FROM courses,prg_items"
|
|
" WHERE courses.DegCod=%ld"
|
|
" AND courses.CrsCod=prg_items.CrsCod",
|
|
Gbl.Hierarchy.Deg.DegCod);
|
|
break;
|
|
case Hie_CRS:
|
|
DB_QuerySELECT (&mysql_res,"can not get number of program items",
|
|
"SELECT COUNT(*)"
|
|
" FROM prg_items"
|
|
" WHERE CrsCod=%ld",
|
|
Gbl.Hierarchy.Crs.CrsCod);
|
|
break;
|
|
default:
|
|
Lay_WrongScopeExit ();
|
|
break;
|
|
}
|
|
|
|
/***** Get number of program items *****/
|
|
row = mysql_fetch_row (mysql_res);
|
|
if (sscanf (row[0],"%u",&NumItems) != 1)
|
|
Lay_ShowErrorAndExit ("Error when getting number of program items.");
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
return NumItems;
|
|
}
|