mirror of https://github.com/acanas/swad-core.git
Version 20.78: May 19, 2021 New module swad_chat_database for database queries related to chat.
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// swad_chat_database.c: chat 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 Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************* Headers ***********************************/
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/*****************************************************************************/
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#include <mysql/mysql.h> // To access MySQL databases
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#include "swad_chat.h"
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#include "swad_chat_database.h"
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#include "swad_database.h"
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#include "swad_global.h"
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/*****************************************************************************/
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/************** External global variables from others modules ****************/
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/*****************************************************************************/
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extern struct Globals Gbl;
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/*****************************************************************************/
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/***************************** Private constants *****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Private prototypes ****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/********************** Get list of chat rooms with users ********************/
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/*****************************************************************************/
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unsigned Cht_DB_GetListOfChatRoomsWithUsrs (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 chat rooms with connected users",
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"SELECT RoomCode," // row[0]
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"NumUsrs" // row[1]
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" FROM cht_rooms"
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" WHERE NumUsrs>0"
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" ORDER BY NumUsrs DESC,"
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"RoomCode");
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}
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/*****************************************************************************/
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/*************** Get number of users connected to a chat room ****************/
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/*****************************************************************************/
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unsigned Cht_DB_GetNumUsrsInChatRoom (const char *RoomCode)
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{
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return DB_QuerySELECTUnsigned ("can not get number of users"
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" connected to a chat room",
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"SELECT NumUsrs"
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" FROM cht_rooms"
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" WHERE RoomCode='%s'",
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RoomCode);
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}
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// swad_chat_database.h: chat operations with database
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#ifndef _SWAD_CHT_DB
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#define _SWAD_CHT_DB
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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 Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************* Headers ***********************************/
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/*****************************************************************************/
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#include <mysql/mysql.h> // To access MySQL databases
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/*****************************************************************************/
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/***************************** Public constants ******************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/******************************* Public types ********************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Public prototypes *****************************/
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/*****************************************************************************/
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unsigned Cht_DB_GetListOfChatRoomsWithUsrs (MYSQL_RES **mysql_res);
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unsigned Cht_DB_GetNumUsrsInChatRoom (const char *RoomCode);
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#endif
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