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104 lines
3.7 KiB
C
104 lines
3.7 KiB
C
// swad_role_database.c: user's roles, operations with database
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/*
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SWAD (Shared Workspace At a Distance),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2024 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General 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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#include "swad_database.h"
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/*****************************************************************************/
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/************* Update the role of a user in the current course ***************/
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/*****************************************************************************/
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void Rol_DB_UpdateUsrRoleInCrs (long CrsCod,long UsrCod,Rol_Role_t NewRole)
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{
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DB_QueryUPDATE ("can not modify user's role in course",
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"UPDATE crs_users"
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" SET Role=%u"
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" WHERE CrsCod=%ld"
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" AND UsrCod=%ld",
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(unsigned) NewRole,
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CrsCod,
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UsrCod);
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}
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/*****************************************************************************/
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/********************** Get role of a user in a course ***********************/
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/*****************************************************************************/
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Rol_Role_t Rol_DB_GetRoleUsrInCrs (long UsrCod,long CrsCod)
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{
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return
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DB_QuerySELECTRole ("can not get user's role",
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"SELECT Role"
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" FROM crs_users"
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" WHERE CrsCod=%ld"
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" AND UsrCod=%ld",
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CrsCod,
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UsrCod);
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}
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/*****************************************************************************/
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/**************** Get the maximum role of a user in any course ***************/
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/*****************************************************************************/
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Rol_Role_t Rol_DB_GetMaxRoleUsrInCrss (long UsrCod)
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{
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return
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DB_QuerySELECTRole ("can not get user's role",
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"SELECT MAX(Role)"
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" FROM crs_users"
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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 distinct roles in all courses of a user *****************/
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/*****************************************************************************/
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unsigned Rol_DB_GetRolesInAllCrss (MYSQL_RES **mysql_res,long UsrCod)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get user's roles in all courses",
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"SELECT DISTINCT Role" // row[0]
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" FROM crs_users"
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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 requested role of a user in current course *****************/
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/*****************************************************************************/
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Rol_Role_t Rol_DB_GetRequestedRole (long CrsCod,long UsrCod)
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{
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return DB_QuerySELECTRole ("can not get requested role",
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"SELECT Role"
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" FROM crs_requests"
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" WHERE CrsCod=%ld"
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" AND UsrCod=%ld",
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CrsCod,
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UsrCod);
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}
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