mirror of https://github.com/acanas/swad-core.git
797 lines
28 KiB
C
797 lines
28 KiB
C
// swad_center_database.c: centers 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) 1999-2023 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 <stdio.h> // For asprintf
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#include <stdlib.h> // For free
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#include "swad_center.h"
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#include "swad_center_config.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.h"
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#include "swad_hierarchy_database.h"
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#include "swad_media.h"
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#include "swad_search.h"
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/*****************************************************************************/
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/************** External global variables from others modules ****************/
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/*****************************************************************************/
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extern struct Globals Gbl;
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/*****************************************************************************/
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/***************************** Create a new center ***************************/
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/*****************************************************************************/
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long Ctr_DB_CreateCenter (const struct Ctr_Center *Ctr,Hie_Status_t Status)
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{
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return
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DB_QueryINSERTandReturnCode ("can not create a new center",
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"INSERT INTO ctr_centers"
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" (InsCod,PlcCod,Status,RequesterUsrCod,"
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"ShortName,FullName,WWW,PhotoAttribution)"
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" VALUES"
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" (%ld,%ld,%u,%ld,"
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"'%s','%s','%s','')",
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Ctr->InsCod,
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Ctr->PlcCod,
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(unsigned) Status,
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Gbl.Usrs.Me.UsrDat.UsrCod,
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Ctr->ShrtName,
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Ctr->FullName,
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Ctr->WWW);
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}
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/*****************************************************************************/
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/************ Get basic list of centers ordered by name of center ************/
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/*****************************************************************************/
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unsigned Ctr_DB_GetListOfCtrsInCurrentIns (MYSQL_RES **mysql_res)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get centers",
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"SELECT DISTINCT "
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"CtrCod," // row[0]
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"ShortName" // row[1]
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" FROM ctr_centers"
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" WHERE InsCod=%ld"
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" ORDER BY ShortName",
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Gbl.Hierarchy.Ins.InsCod);
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}
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/*****************************************************************************/
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/************ Get full list of centers ordered by name of center ************/
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/*****************************************************************************/
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unsigned Ctr_DB_GetListOfCtrsFull (MYSQL_RES **mysql_res,long InsCod)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get centers",
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"SELECT CtrCod," // row[ 0]
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"InsCod," // row[ 1]
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"PlcCod," // row[ 2]
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"Status," // row[ 3]
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"RequesterUsrCod," // row[ 4]
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"Latitude," // row[ 5]
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"Longitude," // row[ 6]
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"Altitude," // row[ 7]
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"ShortName," // row[ 8]
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"FullName," // row[ 9]
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"WWW" // row[10]
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" FROM ctr_centers"
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" WHERE InsCod=%ld"
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" ORDER BY FullName",
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InsCod);
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}
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/*****************************************************************************/
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/************* Get full list of centers **************/
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/************* with number of users who claim to belong to them **************/
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/*****************************************************************************/
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unsigned Ctr_DB_GetListOfCtrsFullWithNumUsrs (MYSQL_RES **mysql_res,
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long InsCod,Ctr_Order_t SelectedOrder)
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{
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static const char *OrderBySubQuery[Ctr_NUM_ORDERS] =
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{
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[Ctr_ORDER_BY_CENTER ] = "FullName",
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[Ctr_ORDER_BY_NUM_USRS] = "NumUsrs DESC,"
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"FullName",
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};
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get centers",
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"(SELECT ctr_centers.CtrCod," // row[ 0]
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"ctr_centers.InsCod," // row[ 1]
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"ctr_centers.PlcCod," // row[ 2]
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"ctr_centers.Status," // row[ 3]
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"ctr_centers.RequesterUsrCod," // row[ 4]
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"ctr_centers.Latitude," // row[ 5]
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"ctr_centers.Longitude," // row[ 6]
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"ctr_centers.Altitude," // row[ 7]
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"ctr_centers.ShortName," // row[ 8]
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"ctr_centers.FullName," // row[ 9]
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"ctr_centers.WWW," // row[10]
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"COUNT(*) AS NumUsrs" // row[11]
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" FROM ctr_centers,usr_data"
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" WHERE ctr_centers.InsCod=%ld"
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" AND ctr_centers.CtrCod=usr_data.CtrCod"
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" GROUP BY ctr_centers.CtrCod)"
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" UNION "
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"(SELECT CtrCod," // row[ 0]
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"InsCod," // row[ 1]
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"PlcCod," // row[ 2]
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"Status," // row[ 3]
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"RequesterUsrCod," // row[ 4]
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"Latitude," // row[ 5]
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"Longitude," // row[ 6]
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"Altitude," // row[ 7]
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"ShortName," // row[ 8]
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"FullName," // row[ 9]
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"WWW," // row[10]
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"0 AS NumUsrs" // row[11]
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" FROM ctr_centers"
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" WHERE InsCod=%ld"
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" AND CtrCod NOT IN"
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" (SELECT DISTINCT "
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"CtrCod"
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" FROM usr_data))"
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" ORDER BY %s",
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InsCod,
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InsCod,
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OrderBySubQuery[SelectedOrder]);
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}
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/*****************************************************************************/
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/******************* Get centers with pending degrees ***********************/
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/*****************************************************************************/
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unsigned Ctr_DB_GetCtrsWithPendingDegs (MYSQL_RES **mysql_res)
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{
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switch (Gbl.Usrs.Me.Role.Logged)
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{
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case Rol_CTR_ADM:
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get centers with pending degrees",
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"SELECT deg_degrees.CtrCod," // row[0]
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"COUNT(*)" // row[1]
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" FROM deg_degrees,"
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"ctr_admin,"
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"ctr_centers"
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" WHERE (deg_degrees.Status & %u)<>0"
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" AND deg_degrees.CtrCod=ctr_admin.CtrCod"
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" AND ctr_admin.UsrCod=%ld"
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" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
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" GROUP BY deg_degrees.CtrCod"
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" ORDER BY ctr_centers.ShortName",
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(unsigned) Hie_STATUS_BIT_PENDING,
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Gbl.Usrs.Me.UsrDat.UsrCod);
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case Rol_SYS_ADM:
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get centers with pending degrees",
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"SELECT deg_degrees.CtrCod," // row[0]
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"COUNT(*)" // row[1]
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" FROM deg_degrees,"
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"ctr_centers"
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" WHERE (deg_degrees.Status & %u)<>0"
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" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
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" GROUP BY deg_degrees.CtrCod"
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" ORDER BY ctr_centers.ShortName",
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(unsigned) Hie_STATUS_BIT_PENDING);
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default: // Forbidden for other users
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Err_WrongRoleExit ();
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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 data of center by code *************************/
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/*****************************************************************************/
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unsigned Ctr_DB_GetCenterDataByCod (MYSQL_RES **mysql_res,long CtrCod)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get data of a center",
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"SELECT CtrCod," // row[ 0]
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"InsCod," // row[ 1]
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"PlcCod," // row[ 2]
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"Status," // row[ 3]
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"RequesterUsrCod," // row[ 4]
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"Latitude," // row[ 5]
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"Longitude," // row[ 6]
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"Altitude," // row[ 7]
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"ShortName," // row[ 8]
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"FullName," // row[ 9]
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"WWW" // row[10]
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" FROM ctr_centers"
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" WHERE CtrCod=%ld",
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CtrCod);
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}
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/*****************************************************************************/
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/*********** Get the institution code of a center from its code **************/
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/*****************************************************************************/
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long Ctr_DB_GetInsCodOfCenterByCod (long CtrCod)
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{
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/***** Trivial check: center code should be > 0 *****/
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if (CtrCod <= 0)
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return -1L;
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/***** Get the institution code of a center from database *****/
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return DB_QuerySELECTCode ("can not get the institution of a center",
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"SELECT InsCod"
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" FROM ctr_centers"
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" WHERE CtrCod=%ld",
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CtrCod);
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}
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/*****************************************************************************/
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/*************** Get the short name of a center from its code ****************/
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/*****************************************************************************/
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void Ctr_DB_GetShortNameOfCenterByCod (long CtrCod,char ShrtName[Cns_HIERARCHY_MAX_BYTES_SHRT_NAME + 1])
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{
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/***** Trivial check: center code should be > 0 *****/
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if (CtrCod <= 0)
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{
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ShrtName[0] = '\0';
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return;
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}
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/***** Get the short name of a center from database *****/
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DB_QuerySELECTString (ShrtName,Cns_HIERARCHY_MAX_BYTES_SHRT_NAME,
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"can not get the short name of a center",
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"SELECT ShortName"
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" FROM ctr_centers"
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" WHERE CtrCod=%ld",
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CtrCod);
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}
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/*****************************************************************************/
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/******************** Get photo attribution from database ********************/
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/*****************************************************************************/
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unsigned Ctr_DB_GetPhotoAttribution (MYSQL_RES **mysql_res,long CtrCod)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get photo attribution",
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"SELECT PhotoAttribution" // row[0]
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" FROM ctr_centers"
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" WHERE CtrCod=%ld",
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CtrCod);
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}
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/*****************************************************************************/
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/********************* Check if the name of center exists ********************/
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/*****************************************************************************/
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bool Ctr_DB_CheckIfCtrNameExistsInIns (const char *FldName,const char *Name,
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long CtrCod,long InsCod)
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{
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return
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DB_QueryEXISTS ("can not check if the name of a center already existed",
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"SELECT EXISTS"
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"(SELECT *"
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" FROM ctr_centers"
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" WHERE InsCod=%ld"
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" AND %s='%s'"
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" AND CtrCod<>%ld)",
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InsCod,
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FldName,
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Name,
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CtrCod);
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}
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/*****************************************************************************/
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/************************* Search centers in database ************************/
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/*****************************************************************************/
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// Returns number of centers found
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unsigned Ctr_DB_SearchCtrs (MYSQL_RES **mysql_res,
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const char SearchQuery[Sch_MAX_BYTES_SEARCH_QUERY + 1],
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const char *RangeQuery)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get centers",
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"SELECT ctr_centers.CtrCod"
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" FROM ctr_centers,"
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"ins_instits,"
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"cty_countrs"
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" WHERE %s"
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" AND ctr_centers.InsCod=ins_instits.InsCod"
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" AND ins_instits.CtyCod=cty_countrs.CtyCod"
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"%s"
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" ORDER BY ctr_centers.FullName,"
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"ins_instits.FullName",
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SearchQuery,
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RangeQuery);
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}
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/*****************************************************************************/
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/******************** Get number of centers in a country *********************/
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/*****************************************************************************/
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unsigned Ctr_DB_GetNumCtrsInCty (long CtyCod)
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{
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return (unsigned)
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DB_QueryCOUNT ("can not get number of centers in a country",
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"SELECT COUNT(*)"
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" FROM ins_instits,"
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"ctr_centers"
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" WHERE ins_instits.CtyCod=%ld"
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" AND ins_instits.InsCod=ctr_centers.InsCod",
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CtyCod);
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}
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/*****************************************************************************/
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/****************** Get number of centers in an institution ******************/
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/*****************************************************************************/
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unsigned Ctr_DB_GetNumCtrsInIns (long InsCod)
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{
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return (unsigned)
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DB_QueryCOUNT ("can not get number of centers in an institution",
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"SELECT COUNT(*)"
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" FROM ctr_centers"
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" WHERE InsCod=%ld",
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InsCod);
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}
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/*****************************************************************************/
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/******* Get number of centers (of the current institution) in a place *******/
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/*****************************************************************************/
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unsigned Ctr_DB_GetNumCtrsInPlc (long PlcCod)
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{
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return (unsigned)
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DB_QueryCOUNT ("can not get the number of centers in a place",
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"SELECT COUNT(*)"
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" FROM ctr_centers"
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" WHERE InsCod=%ld"
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" AND PlcCod=%ld",
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Gbl.Hierarchy.Ins.InsCod,
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PlcCod);
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}
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/*****************************************************************************/
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/*********************** Get number of centers with map **********************/
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/*****************************************************************************/
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unsigned Ctr_DB_GetNumCtrsWithMap (void)
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{
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return (unsigned)
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DB_QueryCOUNT ("can not get number of centers with map",
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"SELECT COUNT(*)"
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" FROM ctr_centers"
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" WHERE Latitude<>0"
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" OR Longitude<>0");
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}
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/*****************************************************************************/
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/**************** Get number of centers with map in a country ****************/
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/*****************************************************************************/
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unsigned Ctr_DB_GetNumCtrsWithMapInCty (long CtyCod)
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{
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return (unsigned)
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DB_QueryCOUNT ("can not get number of centers with map",
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"SELECT COUNT(*)"
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" FROM ins_instits,"
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"ctr_centers"
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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.Latitude<>0"
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" OR ctr_centers.Longitude<>0)",
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CtyCod);
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}
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/*****************************************************************************/
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/************* Get number of centers with map in an institution **************/
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/*****************************************************************************/
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unsigned Ctr_DB_GetNumCtrsWithMapInIns (long InsCod)
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{
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return (unsigned)
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DB_QueryCOUNT ("can not get number of centers with map",
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"SELECT COUNT(*)"
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" FROM ctr_centers"
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" WHERE InsCod=%ld"
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" AND (Latitude<>0"
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" OR"
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" Longitude<>0)",
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InsCod);
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}
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/*****************************************************************************/
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/********************* Get number of centers with degrees ********************/
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/*****************************************************************************/
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unsigned Ctr_DB_GetNumCtrsWithDegs (HieLvl_Level_t Scope,long Cod)
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{
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char SubQuery[128];
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Hie_DB_BuildSubquery (SubQuery,Scope,Cod);
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return (unsigned)
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DB_QueryCOUNT ("can not get number of centers with degrees",
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"SELECT COUNT(DISTINCT ctr_centers.CtrCod)"
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" FROM ins_instits,"
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"ctr_centers,"
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"deg_degrees"
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" WHERE %s"
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"ins_instits.InsCod=ctr_centers.InsCod"
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" AND ctr_centers.CtrCod=deg_degrees.CtrCod",
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SubQuery);
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}
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/*****************************************************************************/
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/********************* Get number of centers with courses ********************/
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/*****************************************************************************/
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unsigned Ctr_DB_GetNumCtrsWithCrss (HieLvl_Level_t Scope,long Cod)
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{
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char SubQuery[128];
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Hie_DB_BuildSubquery (SubQuery,Scope,Cod);
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return (unsigned)
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DB_QueryCOUNT ("can not get number of centers with courses",
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"SELECT COUNT(DISTINCT ctr_centers.CtrCod)"
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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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" WHERE %s"
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"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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SubQuery);
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}
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/*****************************************************************************/
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/********************* Get number of centers with users **********************/
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/*****************************************************************************/
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unsigned Ctr_DB_GetNumCtrsWithUsrs (Rol_Role_t Role,
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HieLvl_Level_t Scope,long Cod)
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{
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char SubQuery[128];
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Hie_DB_BuildSubquery (SubQuery,Scope,Cod);
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return (unsigned)
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DB_QueryCOUNT ("can not get number of centers with users",
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"SELECT COUNT(DISTINCT ctr_centers.CtrCod)"
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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 %s"
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"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.Role=%u",
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SubQuery,(unsigned) Role);
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}
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/*****************************************************************************/
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/******************* Update institution in table of centers ******************/
|
|
/*****************************************************************************/
|
|
|
|
void Ctr_DB_UpdateCtrIns (long CtrCod,long NewInsCod)
|
|
{
|
|
DB_QueryUPDATE ("can not update the institution of a center",
|
|
"UPDATE ctr_centers"
|
|
" SET InsCod=%ld"
|
|
" WHERE CtrCod=%ld",
|
|
NewInsCod,
|
|
CtrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************** Update database changing old place by new place **************/
|
|
/*****************************************************************************/
|
|
|
|
void Ctr_DB_UpdateCtrPlc (long CtrCod,long NewPlcCod)
|
|
{
|
|
DB_QueryUPDATE ("can not update the place of a center",
|
|
"UPDATE ctr_centers"
|
|
" SET PlcCod=%ld"
|
|
" WHERE CtrCod=%ld",
|
|
NewPlcCod,
|
|
CtrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****************** Update center name in table of centers *******************/
|
|
/*****************************************************************************/
|
|
|
|
void Ctr_DB_UpdateCtrName (long CtrCod,const char *FldName,const char *NewCtrName)
|
|
{
|
|
/***** Update center changing old name by new name */
|
|
DB_QueryUPDATE ("can not update the name of a center",
|
|
"UPDATE ctr_centers"
|
|
" SET %s='%s'"
|
|
" WHERE CtrCod=%ld",
|
|
FldName,
|
|
NewCtrName,
|
|
CtrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Update database changing old WWW by new WWW ****************/
|
|
/*****************************************************************************/
|
|
|
|
void Ctr_DB_UpdateCtrWWW (long CtrCod,const char NewWWW[Cns_MAX_BYTES_WWW + 1])
|
|
{
|
|
DB_QueryUPDATE ("can not update the web of a center",
|
|
"UPDATE ctr_centers"
|
|
" SET WWW='%s'"
|
|
" WHERE CtrCod=%ld",
|
|
NewWWW,
|
|
CtrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******* Update the table changing old attribution by new attribution ********/
|
|
/*****************************************************************************/
|
|
|
|
void Ctr_DB_UpdateCtrPhotoAttribution (long CtrCod,const char NewPhotoAttribution[Med_MAX_BYTES_ATTRIBUTION + 1])
|
|
{
|
|
DB_QueryUPDATE ("can not update the photo attribution of a center",
|
|
"UPDATE ctr_centers"
|
|
" SET PhotoAttribution='%s'"
|
|
" WHERE CtrCod=%ld",
|
|
NewPhotoAttribution,
|
|
CtrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******** Update database changing old coordinate by new coordinate **********/
|
|
/*****************************************************************************/
|
|
|
|
void Ctr_DB_UpdateCtrCoordinate (long CtrCod,
|
|
const char *CoordField,double NewCoord)
|
|
{
|
|
Str_SetDecimalPointToUS (); // To write the decimal point as a dot
|
|
DB_QueryUPDATE ("can not update a coordinate of a center",
|
|
"UPDATE ctr_centers"
|
|
" SET %s='%.15lg'"
|
|
" WHERE CtrCod=%ld",
|
|
CoordField,
|
|
NewCoord,
|
|
CtrCod);
|
|
Str_SetDecimalPointToLocal (); // Return to local system
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************** Update status in table of centers **********************/
|
|
/*****************************************************************************/
|
|
|
|
void Ctr_DB_UpdateCtrStatus (long CtrCod,Hie_Status_t NewStatus)
|
|
{
|
|
DB_QueryUPDATE ("can not update the status of a center",
|
|
"UPDATE ctr_centers"
|
|
" SET Status=%u"
|
|
" WHERE CtrCod=%ld",
|
|
(unsigned) NewStatus,
|
|
CtrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********** Check if any of the centers in an institution has map ************/
|
|
/*****************************************************************************/
|
|
|
|
bool Ctr_DB_CheckIfMapIsAvailableInIns (long InsCod)
|
|
{
|
|
/***** Get if any center in current institution has a coordinate set
|
|
(coordinates 0, 0 means not set ==> don't show map) *****/
|
|
return
|
|
DB_QueryEXISTS ("can not check if map is available",
|
|
"SELECT EXISTS"
|
|
"(SELECT *"
|
|
" FROM ctr_centers"
|
|
" WHERE InsCod=%ld"
|
|
" AND (Latitude<>0"
|
|
" OR"
|
|
" Longitude<>0))",
|
|
InsCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********* Get average coordinates of centers in current institution *********/
|
|
/*****************************************************************************/
|
|
|
|
void Ctr_DB_GetCoordAndZoom (struct Map_Coordinates *Coord,unsigned *Zoom)
|
|
{
|
|
char *Query;
|
|
|
|
/***** Get average coordinates of centers with both coordinates set
|
|
(coordinates 0, 0 means not set ==> don't show map) *****/
|
|
if (asprintf (&Query,
|
|
"SELECT AVG(Latitude)," // row[0]
|
|
"AVG(Longitude)," // row[1]
|
|
"GREATEST(MAX(Latitude)-MIN(Latitude),"
|
|
"MAX(Longitude)-MIN(Longitude))" // row[2]
|
|
" FROM ctr_centers"
|
|
" WHERE Latitude<>0"
|
|
" AND Longitude<>0") < 0)
|
|
Err_NotEnoughMemoryExit ();
|
|
Map_GetCoordAndZoom (Coord,Zoom,Query);
|
|
free (Query);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********* Get average coordinates of centers in current institution *********/
|
|
/*****************************************************************************/
|
|
|
|
void Ctr_DB_GetCoordAndZoomInCurrentIns (struct Map_Coordinates *Coord,unsigned *Zoom)
|
|
{
|
|
char *Query;
|
|
|
|
/***** Get average coordinates of centers of current institution
|
|
with both coordinates set
|
|
(coordinates 0, 0 means not set ==> don't show map) *****/
|
|
if (asprintf (&Query,
|
|
"SELECT AVG(Latitude)," // row[0]
|
|
"AVG(Longitude)," // row[1]
|
|
"GREATEST(MAX(Latitude)-MIN(Latitude),"
|
|
"MAX(Longitude)-MIN(Longitude))" // row[2]
|
|
" FROM ctr_centers"
|
|
" WHERE InsCod=%ld"
|
|
" AND Latitude<>0"
|
|
" AND Longitude<>0",
|
|
Gbl.Hierarchy.Ins.InsCod) < 0)
|
|
Err_NotEnoughMemoryExit ();
|
|
Map_GetCoordAndZoom (Coord,Zoom,Query);
|
|
free (Query);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************* Get centres which have coordinates **********************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned Ctr_DB_GetCtrsWithCoords (MYSQL_RES **mysql_res)
|
|
{
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get centers with coordinates",
|
|
"SELECT CtrCod"
|
|
" FROM ctr_centers"
|
|
" WHERE ctr_centers.Latitude<>0"
|
|
" AND ctr_centers.Longitude<>0");
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******** Get centres which have coordinates in current institution **********/
|
|
/*****************************************************************************/
|
|
|
|
unsigned Ctr_DB_GetCtrsWithCoordsInCurrentIns (MYSQL_RES **mysql_res)
|
|
{
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get centers with coordinates",
|
|
"SELECT CtrCod" // row[0]
|
|
" FROM ctr_centers"
|
|
" WHERE InsCod=%ld"
|
|
" AND Latitude<>0"
|
|
" AND Longitude<>0",
|
|
Gbl.Hierarchy.Ins.InsCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Get the centers of a user from database *******************/
|
|
/*****************************************************************************/
|
|
// Returns the number of rows of the result
|
|
|
|
unsigned Ctr_DB_GetCtrsFromUsr (MYSQL_RES **mysql_res,long UsrCod,long InsCod)
|
|
{
|
|
/***** Get from database the centers a user belongs to *****/
|
|
if (InsCod > 0)
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not check the centers a user belongs to",
|
|
"SELECT ctr_centers.CtrCod," // row[0]
|
|
"MAX(crs_users.Role)" // row[1]
|
|
" FROM crs_users,"
|
|
"crs_courses,"
|
|
"deg_degrees,"
|
|
"ctr_centers"
|
|
" WHERE crs_users.UsrCod=%ld"
|
|
" AND crs_users.CrsCod=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=%ld"
|
|
" GROUP BY ctr_centers.CtrCod"
|
|
" ORDER BY ctr_centers.ShortName",
|
|
UsrCod,
|
|
InsCod);
|
|
else
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not check the centers a user belongs to",
|
|
"SELECT deg_degrees.CtrCod," // row[0]
|
|
"MAX(crs_users.Role)" // row[1]
|
|
" FROM crs_users,"
|
|
"crs_courses,"
|
|
"deg_degrees,"
|
|
"ctr_centers"
|
|
" WHERE crs_users.UsrCod=%ld"
|
|
" AND crs_users.CrsCod=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
|
|
" GROUP BY ctr_centers.CtrCod"
|
|
" ORDER BY ctr_centers.ShortName",
|
|
UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************* Check if a user belongs to a center *********************/
|
|
/*****************************************************************************/
|
|
|
|
bool Ctr_DB_CheckIfUsrBelongsToCtr (long UsrCod,long CtrCod)
|
|
{
|
|
return (DB_QueryCOUNT ("can not check if a user belongs to a center",
|
|
"SELECT COUNT(DISTINCT deg_degrees.CtrCod)"
|
|
" FROM crs_users,"
|
|
"crs_courses,"
|
|
"deg_degrees"
|
|
" WHERE crs_users.UsrCod=%ld"
|
|
" AND crs_users.Accepted='Y'" // Only if user accepted
|
|
" AND crs_users.CrsCod=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=%ld",
|
|
UsrCod,
|
|
CtrCod) != 0);
|
|
}
|
|
/*****************************************************************************/
|
|
/*********** Get number of users who claim to belong to a center *************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned Ctr_DB_GetNumUsrsWhoClaimToBelongToCtr (long CtrCod)
|
|
{
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of users",
|
|
"SELECT COUNT(UsrCod)"
|
|
" FROM usr_data"
|
|
" WHERE CtrCod=%ld",
|
|
CtrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****************************** Remove a center ******************************/
|
|
/*****************************************************************************/
|
|
|
|
void Ctr_DB_RemoveCenter (long CtrCod)
|
|
{
|
|
DB_QueryDELETE ("can not remove a center",
|
|
"DELETE FROM ctr_centers"
|
|
" WHERE CtrCod=%ld",
|
|
CtrCod);
|
|
}
|