mirror of https://github.com/acanas/swad-core.git
Version 21.20: Sep 30, 2021 New module swad_nickname_database for database queries related to nicknames.
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acanas
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// swad_nickname_database.c: Users' nicknames 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 <string.h> // For string functions
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// #include "swad_account.h"
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// #include "swad_box.h"
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#include "swad_database.h"
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// #include "swad_form.h"
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// #include "swad_global.h"
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// #include "swad_HTML.h"
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#include "swad_nickname_database.h"
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// #include "swad_parameter.h"
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// #include "swad_QR.h"
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// #include "swad_user.h"
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/*****************************************************************************/
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/************** External global variables from others modules ****************/
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/*****************************************************************************/
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// extern struct Globals Gbl;
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/*****************************************************************************/
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/***************************** Private constants *****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/******************************* Private types *******************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Private variables *****************************/
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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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/******************* Update user's nickname in database **********************/
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/*****************************************************************************/
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void Nck_DB_UpdateNick (long UsrCod,const char *NewNickname)
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{
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DB_QueryREPLACE ("can not update nickname",
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"REPLACE INTO usr_nicknames"
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" (UsrCod,Nickname,CreatTime)"
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" VALUES"
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" (%ld,'%s',NOW())",
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UsrCod,
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NewNickname);
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}
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/*****************************************************************************/
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/************** Get user's code of a user from his/her nickname **************/
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/*****************************************************************************/
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long Nck_DB_GetUsrCodFromNickname (const char NickWithoutArroba[Cns_MAX_BYTES_USR_LOGIN + 1])
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{
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return DB_QuerySELECTCode ("can not get user's code",
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"SELECT usr_nicknames.UsrCod"
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" FROM usr_nicknames,"
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"usr_data"
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" WHERE usr_nicknames.Nickname='%s'"
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" AND usr_nicknames.UsrCod=usr_data.UsrCod",
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NickWithoutArroba);
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}
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/*****************************************************************************/
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/************* Get nickname of a user from his/her user's code ***************/
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/*****************************************************************************/
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void Nck_DB_GetNicknameFromUsrCod (long UsrCod,
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char NickWithoutArroba[Cns_MAX_BYTES_USR_LOGIN + 1])
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{
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/***** Get current (last updated) user's nickname from database *****/
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DB_QuerySELECTString (NickWithoutArroba,Cns_MAX_BYTES_USR_LOGIN,
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"can not get nickname",
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"SELECT Nickname"
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" FROM usr_nicknames"
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" WHERE UsrCod=%ld"
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" ORDER BY CreatTime DESC"
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" LIMIT 1",
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UsrCod);
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}
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/*****************************************************************************/
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/***************************** Get my nicknames ******************************/
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/*****************************************************************************/
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unsigned Nck_DB_GetUsrNicknames (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 nicknames of a user",
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"SELECT Nickname" // row[0]
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" FROM usr_nicknames"
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" WHERE UsrCod=%ld"
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" ORDER BY CreatTime DESC",
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UsrCod);
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}
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/*****************************************************************************/
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/************ Check if nickname matches any of a user's nicknames ************/
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/*****************************************************************************/
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bool Nck_DB_CheckIfNickMatchesAnyUsrNick (long UsrCod,const char NickWithoutArr[Cns_MAX_BYTES_USR_LOGIN + 1])
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{
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return (DB_QueryCOUNT ("can not check if nickname already existed",
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"SELECT COUNT(*)"
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" FROM usr_nicknames"
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" WHERE UsrCod=%ld"
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" AND Nickname='%s'",
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UsrCod,
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NickWithoutArr) != 0);
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}
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/*****************************************************************************/
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/********* Check if nickname matches any of other user's nicknames ***********/
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/*****************************************************************************/
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bool Nck_DB_CheckIfNickMatchesAnyOtherUsrsNicks (long UsrCod,const char NickWithoutArr[Cns_MAX_BYTES_USR_LOGIN + 1])
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{
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return (DB_QueryCOUNT ("can not check if nickname already existed",
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"SELECT COUNT(*)"
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" FROM usr_nicknames"
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" WHERE Nickname='%s'"
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" AND UsrCod<>%ld",
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NickWithoutArr,
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UsrCod) != 0); // A nickname of another user is the same that user's nickname
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}
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/*****************************************************************************/
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/********************** Remove a nickname from database **********************/
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/*****************************************************************************/
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void Nck_DB_RemoveNickname (long UsrCod,const char *Nickname)
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{
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DB_QueryREPLACE ("can not remove a nickname",
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"DELETE FROM usr_nicknames"
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" WHERE UsrCod=%ld"
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" AND Nickname='%s'",
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UsrCod,
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Nickname);
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}
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/*****************************************************************************/
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/************************** Remove user's nicknames **************************/
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/*****************************************************************************/
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void Nck_DB_RemoveUsrNicknames (long UsrCod)
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{
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DB_QueryDELETE ("can not remove user's nicknames",
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"DELETE FROM usr_nicknames"
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" WHERE UsrCod=%ld",
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UsrCod);
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}
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@ -0,0 +1,53 @@
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// swad_nickname_database.h: Users' nicknames operations with database
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#ifndef _SWAD_NCK_DB
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#define _SWAD_NCK_DB
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/*
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SWAD (Shared Workspace At a Distance in Spanish),
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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 "swad_nickname.h"
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/*****************************************************************************/
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/************************* Public types and constants ************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Public prototypes *****************************/
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/*****************************************************************************/
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void Nck_DB_UpdateNick (long UsrCod,const char *NewNickname);
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long Nck_DB_GetUsrCodFromNickname (const char NickWithoutArroba[Cns_MAX_BYTES_USR_LOGIN + 1]);
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void Nck_DB_GetNicknameFromUsrCod (long UsrCod,
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char Nickname[Cns_MAX_BYTES_USR_LOGIN + 1]);
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unsigned Nck_DB_GetUsrNicknames (MYSQL_RES **mysql_res,long UsrCod);
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bool Nck_DB_CheckIfNickMatchesAnyUsrNick (long UsrCod,const char NickWithoutArr[Cns_MAX_BYTES_USR_LOGIN + 1]);
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bool Nck_DB_CheckIfNickMatchesAnyOtherUsrsNicks (long UsrCod,const char NickWithoutArr[Cns_MAX_BYTES_USR_LOGIN + 1]);
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void Nck_DB_RemoveNickname (long UsrCod,const char *Nickname);
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void Nck_DB_RemoveUsrNicknames (long UsrCod);
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#endif
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