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https://github.com/acanas/swad-core.git
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524 lines
19 KiB
C
524 lines
19 KiB
C
// swad_agenda_database.c: user's agenda (personal organizer) operations with database
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/*
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SWAD (Shared Workspace At a Distance),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2021 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General 3 License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************* Headers ***********************************/
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/*****************************************************************************/
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#define _GNU_SOURCE // For asprintf
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#include <stdio.h> // For asprintf
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#include <stdlib.h> // For free
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#include "swad_agenda.h"
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#include "swad_agenda_database.h"
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#include "swad_database.h"
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#include "swad_error.h"
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#include "swad_global.h"
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#include "swad_hierarchy_level.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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/************************* Get list of agenda events *************************/
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/*****************************************************************************/
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#define Agd_MAX_BYTES_SUBQUERY 128
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unsigned Agd_DB_GetListEvents (MYSQL_RES **mysql_res,
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const struct Agd_Agenda *Agenda,
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Agd_AgendaType_t AgendaType)
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{
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char *UsrSubQuery;
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char Past__FutureEventsSubQuery[Agd_MAX_BYTES_SUBQUERY + 1];
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char PrivatPublicEventsSubQuery[Agd_MAX_BYTES_SUBQUERY + 1];
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char HiddenVisiblEventsSubQuery[Agd_MAX_BYTES_SUBQUERY + 1];
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static const char *OrderBySubQuery[Dat_NUM_START_END_TIME] =
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{
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[Dat_STR_TIME] = "StartTime,"
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"EndTime,"
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"Event,"
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"Location",
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[Dat_END_TIME] = "EndTime,"
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"StartTime,"
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"Event,"
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"Location",
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};
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unsigned NumEvents;
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/***** Get list of events from database *****/
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/* Build events subqueries */
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switch (AgendaType)
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{
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case Agd_MY_AGENDA_TODAY:
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case Agd_MY_AGENDA:
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if (asprintf (&UsrSubQuery,"UsrCod=%ld",
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Gbl.Usrs.Me.UsrDat.UsrCod) < 0)
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Err_NotEnoughMemoryExit ();
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if (AgendaType == Agd_MY_AGENDA_TODAY)
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Str_Copy (Past__FutureEventsSubQuery,
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" AND DATE(StartTime)<=CURDATE()"
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" AND DATE(EndTime)>=CURDATE()",
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sizeof (Past__FutureEventsSubQuery) - 1); // Today events
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else
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switch (Agenda->Past__FutureEvents)
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{
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case (1 << Agd_PAST___EVENTS):
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Str_Copy (Past__FutureEventsSubQuery,
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" AND DATE(StartTime)<=CURDATE()",
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sizeof (Past__FutureEventsSubQuery) - 1); // Past and today events
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break;
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case (1 << Agd_FUTURE_EVENTS):
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Str_Copy (Past__FutureEventsSubQuery,
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" AND DATE(EndTime)>=CURDATE()",
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sizeof (Past__FutureEventsSubQuery) - 1); // Today and future events
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break;
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default:
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Past__FutureEventsSubQuery[0] = '\0'; // All events
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break;
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}
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switch (Agenda->PrivatPublicEvents)
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{
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case (1 << Agd_PRIVAT_EVENTS):
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Str_Copy (PrivatPublicEventsSubQuery," AND Public='N'",
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sizeof (PrivatPublicEventsSubQuery) - 1); // Private events
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break;
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case (1 << Agd_PUBLIC_EVENTS):
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Str_Copy (PrivatPublicEventsSubQuery," AND Public='Y'",
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sizeof (PrivatPublicEventsSubQuery) - 1); // Public events
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break;
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default:
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PrivatPublicEventsSubQuery[0] = '\0'; // All events
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break;
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}
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switch (Agenda->HiddenVisiblEvents)
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{
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case (1 << Agd_HIDDEN_EVENTS):
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Str_Copy (HiddenVisiblEventsSubQuery," AND Hidden='Y'",
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sizeof (HiddenVisiblEventsSubQuery) - 1); // Hidden events
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break;
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case (1 << Agd_VISIBL_EVENTS):
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Str_Copy (HiddenVisiblEventsSubQuery," AND Hidden='N'",
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sizeof (HiddenVisiblEventsSubQuery) - 1); // Visible events
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break;
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default:
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HiddenVisiblEventsSubQuery[0] = '\0'; // All events
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break;
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}
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break;
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case Agd_ANOTHER_AGENDA_TODAY:
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case Agd_ANOTHER_AGENDA:
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if (asprintf (&UsrSubQuery,"UsrCod=%ld",
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Gbl.Usrs.Other.UsrDat.UsrCod) < 0)
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Err_NotEnoughMemoryExit ();
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if (AgendaType == Agd_ANOTHER_AGENDA_TODAY)
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Str_Copy (Past__FutureEventsSubQuery,
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" AND DATE(StartTime)<=CURDATE()"
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" AND DATE(EndTime)>=CURDATE()",
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sizeof (Past__FutureEventsSubQuery) - 1); // Today events
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else
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Str_Copy (Past__FutureEventsSubQuery,
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" AND DATE(EndTime)>=CURDATE()",
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sizeof (Past__FutureEventsSubQuery) - 1); // Today and future events
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Str_Copy (PrivatPublicEventsSubQuery," AND Public='Y'",
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sizeof (PrivatPublicEventsSubQuery) - 1); // Public events
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Str_Copy (HiddenVisiblEventsSubQuery," AND Hidden='N'",
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sizeof (HiddenVisiblEventsSubQuery) - 1); // Visible events
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}
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/* Make query */
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NumEvents = (unsigned)
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DB_QuerySELECT (mysql_res,"can not get agenda events",
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"SELECT AgdCod" // row[0]
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" FROM agd_agendas"
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" WHERE %s%s%s%s"
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" ORDER BY %s",
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UsrSubQuery,
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Past__FutureEventsSubQuery,
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PrivatPublicEventsSubQuery,
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HiddenVisiblEventsSubQuery,
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OrderBySubQuery[Agenda->SelectedOrder]);
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/* Free allocated memory for subquery */
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free (UsrSubQuery);
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return NumEvents;
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}
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/*****************************************************************************/
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/*********************** Get event data using its code ***********************/
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/*****************************************************************************/
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unsigned Agd_DB_GetDataOfEventByCod (MYSQL_RES **mysql_res,
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const struct Agd_Event *AgdEvent)
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{
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/***** Get data of event from database *****/
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get agenda event data",
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"SELECT AgdCod," // row[0]
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"Public," // row[1]
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"Hidden," // row[2]
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"UNIX_TIMESTAMP(StartTime)," // row[3]
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"UNIX_TIMESTAMP(EndTime)," // row[4]
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"NOW()>EndTime," // row[5] Past event?
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"NOW()<StartTime," // row[6] Future event?
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"Event," // row[7]
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"Location" // row[8]
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" FROM agd_agendas"
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" WHERE AgdCod=%ld"
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" AND UsrCod=%ld",
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AgdEvent->AgdCod,
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AgdEvent->UsrCod);
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}
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/*****************************************************************************/
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/*********************** Get event text from database ************************/
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/*****************************************************************************/
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void Agd_DB_GetEventTxt (const struct Agd_Event *AgdEvent,
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char Txt[Cns_MAX_BYTES_TEXT + 1])
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{
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DB_QuerySELECTString (Txt,Cns_MAX_BYTES_TEXT,"can not get event text",
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"SELECT Txt"
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" FROM agd_agendas"
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" WHERE AgdCod=%ld"
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" AND UsrCod=%ld",
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AgdEvent->AgdCod,
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AgdEvent->UsrCod);
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}
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/*****************************************************************************/
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/************************* Remove event from database ************************/
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/*****************************************************************************/
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void Agd_DB_RemoveEvent (const struct Agd_Event *AgdEvent)
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{
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DB_QueryDELETE ("can not remove event",
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"DELETE FROM agd_agendas"
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" WHERE AgdCod=%ld"
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" AND UsrCod=%ld",
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AgdEvent->AgdCod,
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AgdEvent->UsrCod);
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}
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/*****************************************************************************/
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/************************** Create a new event *******************************/
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/*****************************************************************************/
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long Agd_DB_CreateEvent (const struct Agd_Event *AgdEvent,const char *Txt)
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{
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return
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DB_QueryINSERTandReturnCode ("can not create new event",
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"INSERT INTO agd_agendas"
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" (UsrCod,StartTime,EndTime,"
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"Event,Location,Txt)"
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" VALUES"
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" (%ld,FROM_UNIXTIME(%ld),FROM_UNIXTIME(%ld),"
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"'%s','%s','%s')",
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AgdEvent->UsrCod,
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AgdEvent->TimeUTC[Dat_STR_TIME],
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AgdEvent->TimeUTC[Dat_END_TIME],
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AgdEvent->Event,
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AgdEvent->Location,
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Txt);
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}
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/*****************************************************************************/
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/************************ Update an existing event ***************************/
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/*****************************************************************************/
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void Agd_DB_UpdateEvent (const struct Agd_Event *AgdEvent,const char *Txt)
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{
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/***** Update the data of the event *****/
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DB_QueryUPDATE ("can not update event",
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"UPDATE agd_agendas"
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" SET StartTime=FROM_UNIXTIME(%ld),"
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"EndTime=FROM_UNIXTIME(%ld),"
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"Event='%s',"
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"Location='%s',"
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"Txt='%s'"
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" WHERE AgdCod=%ld"
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" AND UsrCod=%ld",
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AgdEvent->TimeUTC[Dat_STR_TIME],
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AgdEvent->TimeUTC[Dat_END_TIME],
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AgdEvent->Event,
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AgdEvent->Location,
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Txt,
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AgdEvent->AgdCod,
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AgdEvent->UsrCod);
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}
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/*****************************************************************************/
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/*************************** Hide/unhide an event ****************************/
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/*****************************************************************************/
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void Agd_DB_HideOrUnhideEvent (long AgdCod,long UsrCod,bool Hide)
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{
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DB_QueryUPDATE ("can not hide/unhide event",
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"UPDATE agd_agendas"
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" SET Hidden='%c'"
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" WHERE AgdCod=%ld"
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" AND UsrCod=%ld",
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Hide ? 'Y' :
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'N',
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AgdCod,
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UsrCod);
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}
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/*****************************************************************************/
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/***************** Set an existing event as public/private *******************/
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/*****************************************************************************/
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void Agd_DB_MakeEventPublic (const struct Agd_Event *AgdEvent)
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{
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DB_QueryUPDATE ("can not make event public",
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"UPDATE agd_agendas"
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" SET Public='Y'"
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" WHERE AgdCod=%ld"
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" AND UsrCod=%ld",
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AgdEvent->AgdCod,
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AgdEvent->UsrCod);
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}
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void Agd_DB_MakeEventPrivate (const struct Agd_Event *AgdEvent)
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{
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DB_QueryUPDATE ("can not make event private",
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"UPDATE agd_agendas"
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" SET Public='N'"
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" WHERE AgdCod=%ld"
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" AND UsrCod=%ld",
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AgdEvent->AgdCod,
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AgdEvent->UsrCod);
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}
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/*****************************************************************************/
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/************************ Remove all events of a user ************************/
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/*****************************************************************************/
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void Agd_DB_RemoveUsrEvents (long UsrCod)
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{
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DB_QueryDELETE ("can not remove all events of a user",
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"DELETE FROM agd_agendas"
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" WHERE UsrCod=%ld",
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UsrCod);
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}
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/*****************************************************************************/
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/********************* Get number of events from a user **********************/
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/*****************************************************************************/
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unsigned Agd_DB_GetNumEventsFromUsr (long UsrCod)
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{
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return (unsigned)
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DB_QueryCOUNT ("can not get number of events from user",
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"SELECT COUNT(*)"
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" FROM agd_agendas"
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" WHERE UsrCod=%ld",
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UsrCod);
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}
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/*****************************************************************************/
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/********************** Get number of users with events **********************/
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/*****************************************************************************/
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// Returns the number of users with events in a given scope
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unsigned Agd_DB_GetNumUsrsWithEvents (HieLvl_Level_t Scope)
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{
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/***** Get number of users with events from database *****/
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switch (Scope)
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{
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case HieLvl_SYS:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of users with events",
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"SELECT COUNT(DISTINCT UsrCod)"
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" FROM agd_agendas"
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" WHERE UsrCod>0");
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case HieLvl_CTY:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of users with events",
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"SELECT COUNT(DISTINCT agd_agendas.UsrCod)"
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" FROM ins_instits,"
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"ctr_centers,"
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"deg_degrees,"
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"crs_courses,"
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"crs_users,"
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"agd_agendas"
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" WHERE ins_instits.CtyCod=%ld"
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" AND ins_instits.InsCod=ctr_centers.InsCod"
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" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=crs_users.CrsCod"
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" AND crs_users.UsrCod=agd_agendas.UsrCod",
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Gbl.Hierarchy.Cty.CtyCod);
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case HieLvl_INS:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of users with events",
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"SELECT COUNT(DISTINCT agd_agendas.UsrCod)"
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" FROM ctr_centers,"
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"deg_degrees,"
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"crs_courses,"
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"crs_users,"
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"agd_agendas"
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" WHERE ctr_centers.InsCod=%ld"
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" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=crs_users.CrsCod"
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" AND crs_users.UsrCod=agd_agendas.UsrCod",
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Gbl.Hierarchy.Ins.InsCod);
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case HieLvl_CTR:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of users with events",
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"SELECT COUNT(DISTINCT agd_agendas.UsrCod)"
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" FROM deg_degrees,"
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"crs_courses,"
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"crs_users,"
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"agd_agendas"
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" WHERE deg_degrees.CtrCod=%ld"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=crs_users.CrsCod"
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" AND crs_users.UsrCod=agd_agendas.UsrCod",
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Gbl.Hierarchy.Ctr.CtrCod);
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case HieLvl_DEG:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of users with events",
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"SELECT COUNT(DISTINCT agd_agendas.UsrCod)"
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" FROM crs_courses,"
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"crs_users,"
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"agd_agendas"
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" WHERE crs_courses.DegCod=%ld"
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" AND crs_courses.CrsCod=crs_users.CrsCod"
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" AND crs_users.UsrCod=agd_agendas.UsrCod",
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Gbl.Hierarchy.Deg.DegCod);
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case HieLvl_CRS:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of users with events",
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"SELECT COUNT(DISTINCT agd_agendas.UsrCod)"
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" FROM crs_users,"
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"agd_agendas"
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" WHERE crs_users.CrsCod=%ld"
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" AND crs_users.UsrCod=agd_agendas.UsrCod",
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Gbl.Hierarchy.Crs.CrsCod);
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default:
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Err_WrongScopeExit ();
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return 0; // Not reached
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}
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}
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/*****************************************************************************/
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/*************************** Get number of events ****************************/
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/*****************************************************************************/
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// Returns the number of events in a given scope
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unsigned Agd_DB_GetNumEvents (HieLvl_Level_t Scope)
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{
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/***** Get number of events from database *****/
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switch (Scope)
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{
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case HieLvl_SYS:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of events",
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"SELECT COUNT(*)"
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" FROM agd_agendas"
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" WHERE UsrCod>0");
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case HieLvl_CTY:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of events",
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"SELECT COUNT(*)"
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" FROM (SELECT DISTINCT "
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"crs_users.UsrCod"
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" FROM ins_instits,"
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"ctr_centers,"
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"deg_degrees,"
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"crs_courses,"
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"crs_users"
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" WHERE ins_instits.CtyCod=%ld"
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" AND ins_instits.InsCod=ctr_centers.InsCod"
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" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=crs_users.CrsCod) AS users,"
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"agd_agendas"
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" WHERE users.UsrCod=agd_agendas.UsrCod",
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Gbl.Hierarchy.Cty.CtyCod);
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case HieLvl_INS:
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return (unsigned)
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DB_QueryCOUNT ("can not get number of events",
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"SELECT COUNT(*)"
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" FROM (SELECT DISTINCT "
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"crs_users.UsrCod"
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" FROM ctr_centers,"
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"deg_degrees,"
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"crs_courses,"
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"crs_users"
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" WHERE ctr_centers.InsCod=%ld"
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" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
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" AND deg_degrees.DegCod=crs_courses.DegCod"
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" AND crs_courses.CrsCod=crs_users.CrsCod) AS users,"
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"agd_agendas"
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" WHERE users.UsrCod=agd_agendas.UsrCod",
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Gbl.Hierarchy.Ins.InsCod);
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case HieLvl_CTR:
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return (unsigned)
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|
DB_QueryCOUNT ("can not get number of events",
|
|
"SELECT COUNT(*)"
|
|
" FROM (SELECT DISTINCT "
|
|
"crs_users.UsrCod"
|
|
" FROM deg_degrees,"
|
|
"crs_courses,"
|
|
"crs_users"
|
|
" WHERE deg_degrees.CtrCod=%ld"
|
|
" AND deg_degrees.DegCod=crs_courses.DegCod"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod) AS users,"
|
|
"agd_agendas"
|
|
" WHERE users.UsrCod=agd_agendas.UsrCod",
|
|
Gbl.Hierarchy.Ctr.CtrCod);
|
|
case HieLvl_DEG:
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of events",
|
|
"SELECT COUNT(*)"
|
|
" FROM (SELECT DISTINCT "
|
|
"crs_users.UsrCod"
|
|
" FROM crs_courses,"
|
|
"crs_users"
|
|
" WHERE crs_courses.DegCod=%ld"
|
|
" AND crs_courses.CrsCod=crs_users.CrsCod) AS users,"
|
|
"agd_agendas"
|
|
" WHERE users.UsrCod=agd_agendas.UsrCod",
|
|
Gbl.Hierarchy.Deg.DegCod);
|
|
case HieLvl_CRS:
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of events",
|
|
"SELECT COUNT(*)"
|
|
" FROM crs_users,"
|
|
"agd_agendas"
|
|
" WHERE crs_users.CrsCod=%ld"
|
|
" AND crs_users.UsrCod=agd_agendas.UsrCod",
|
|
Gbl.Hierarchy.Crs.CrsCod);
|
|
default:
|
|
Err_WrongScopeExit ();
|
|
return 0; // Not reached
|
|
}
|
|
}
|