mirror of https://github.com/acanas/swad-core.git
139 lines
5.0 KiB
C
139 lines
5.0 KiB
C
// swad_link_database.c: institutional links, 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 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_database.h"
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#include "swad_link_database.h"
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/*****************************************************************************/
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/**************************** Create a new link ******************************/
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/*****************************************************************************/
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void Lnk_DB_CreateLink (const struct Lnk_Link *Lnk)
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{
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DB_QueryINSERT ("can not create institutional link",
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"INSERT INTO lnk_links"
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" (ShortName,FullName,WWW)"
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" VALUES"
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" ('%s','%s','%s')",
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Lnk->ShrtName,
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Lnk->FullName,
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Lnk->WWW);
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}
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/*****************************************************************************/
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/************ Update link name in table of institutional links ***************/
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/*****************************************************************************/
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void Lnk_DB_UpdateLnkName (long LnkCod,const char *FldName,const char *NewLnkName)
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{
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DB_QueryUPDATE ("can not update the name of an institutional link",
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"UPDATE lnk_links"
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" SET %s='%s'"
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" WHERE LnkCod=%ld",
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FldName,NewLnkName,
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LnkCod);
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}
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/*****************************************************************************/
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/****************** Update link changing old WWW by new WWW ******************/
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/*****************************************************************************/
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void Lnk_DB_UpdateLnkWWW (long LnkCod,const char NewWWW[WWW_MAX_BYTES_WWW + 1])
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{
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DB_QueryUPDATE ("can not update the web of an institutional link",
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"UPDATE lnk_links"
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" SET WWW='%s'"
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" WHERE LnkCod=%ld",
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NewWWW,
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LnkCod);
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}
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/*****************************************************************************/
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/************************** Get institutional links **************************/
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/*****************************************************************************/
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unsigned Lnk_DB_GetLinks (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 institutional links",
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"SELECT LnkCod," // row[0]
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"ShortName," // row[1]
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"FullName," // row[2]
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"WWW" // row[3]
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" FROM lnk_links"
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" ORDER BY ShortName");
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}
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/*****************************************************************************/
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/**************************** Get link full name *****************************/
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/*****************************************************************************/
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unsigned Lnk_DB_GetLinkDataByCod (MYSQL_RES **mysql_res,long LnkCod)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get data of an institutional link",
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"SELECT LnkCod," // row[0]
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"ShortName," // row[1]
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"FullName," // row[2]
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"WWW" // row[3]
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" FROM lnk_links"
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" WHERE LnkCod=%ld",
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LnkCod);
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}
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/*****************************************************************************/
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/********************** Check if the name of link exists *********************/
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/*****************************************************************************/
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bool Lnk_DB_CheckIfLinkNameExists (const char *FldName,const char *Name,long Cod,
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__attribute__((unused)) long PrtCod,
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__attribute__((unused)) unsigned Year)
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{
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return
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DB_QueryEXISTS ("can not check if the name of an institutional link already existed",
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"SELECT EXISTS"
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"(SELECT *"
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" FROM lnk_links"
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" WHERE %s='%s'"
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" AND LnkCod<>%ld)",
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FldName,Name,
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Cod);
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}
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/*****************************************************************************/
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/******************************* Remove a link *******************************/
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/*****************************************************************************/
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void Lnk_DB_RemoveLink (long LnkCod)
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{
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DB_QueryDELETE ("can not remove an institutional link",
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"DELETE FROM lnk_links"
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" WHERE LnkCod=%ld",
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LnkCod);
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}
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