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swad-core/swad_notice_database.c

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// swad_notice_database.c: notices (yellow notes) operations with database
/*
SWAD (Shared Workspace At a Distance),
is a web platform developed at the University of Granada (Spain),
and used to support university teaching.
This file is part of SWAD core.
Copyright (C) 1999-2023 Antonio Cañas Vargas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*****************************************************************************/
/********************************* Headers ***********************************/
/*****************************************************************************/
#include "swad_database.h"
#include "swad_error.h"
#include "swad_global.h"
#include "swad_notice.h"
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/******************* Insert a notice in the table of notices *****************/
/*****************************************************************************/
// Return the code of the new inserted notice
long Not_DB_InsertNotice (const char *Content)
{
return
DB_QueryINSERTandReturnCode ("can not create notice",
"INSERT INTO not_notices"
" (CrsCod,UsrCod,CreatTime,Content,Status)"
" VALUES"
" (%ld,%ld,NOW(),'%s',%u)",
Gbl.Hierarchy.Crs.CrsCod,
Gbl.Usrs.Me.UsrDat.UsrCod,
Content,
(unsigned) Not_ACTIVE_NOTICE);
}
/*****************************************************************************/
/********************** Mark as active/hidden a notice ***********************/
/*****************************************************************************/
void Not_DB_ChangeNoticeStatus (long NotCod,Not_Status_t Status)
{
DB_QueryUPDATE ("can not reveal notice",
"UPDATE not_notices"
" SET Status=%u"
" WHERE NotCod=%ld"
" AND CrsCod=%ld",
(unsigned) Status,
NotCod,
Gbl.Hierarchy.Crs.CrsCod);
}
/*****************************************************************************/
/****************** Copy notice to table of deleted notices ******************/
/*****************************************************************************/
void Not_DB_CopyNoticeToDeleted (long NotCod)
{
DB_QueryINSERT ("can not remove notice",
"INSERT IGNORE INTO not_deleted"
" (NotCod,CrsCod,UsrCod,CreatTime,Content,NumNotif)"
" SELECT NotCod,"
"CrsCod,"
"UsrCod,"
"CreatTime,"
"Content,"
"NumNotif"
" FROM not_notices"
" WHERE NotCod=%ld"
" AND CrsCod=%ld", // Extra check
NotCod,
Gbl.Hierarchy.Crs.CrsCod);
}
/*****************************************************************************/
/*********** Update number of users notified in table of notices *************/
/*****************************************************************************/
void Not_DB_UpdateNumUsrsNotifiedByEMailAboutNotice (long NotCod,
unsigned NumUsrsToBeNotifiedByEMail)
{
DB_QueryUPDATE ("can not update the number of notifications of a notice",
"UPDATE not_notices"
" SET NumNotif=%u"
" WHERE NotCod=%ld",
NumUsrsToBeNotifiedByEMail,
NotCod);
}
/*****************************************************************************/
/**************************** Get data of a notice ***************************/
/*****************************************************************************/
unsigned Not_DB_GetNoticeData (MYSQL_RES **mysql_res,long NotCod)
{
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get notice from database",
"SELECT NotCod," // row[0]
"UNIX_TIMESTAMP(CreatTime) AS F," // row[1]
"UsrCod," // row[2]
"Content," // row[3]
"Status" // row[4]
" FROM not_notices"
" WHERE NotCod=%ld"
" AND CrsCod=%ld", // Extra check
NotCod,
Gbl.Hierarchy.Crs.CrsCod);
}
/*****************************************************************************/
/********************* Get content of message from database ******************/
/*****************************************************************************/
unsigned Not_DB_ContentNotice (MYSQL_RES **mysql_res,long NotCod)
{
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get content of notice",
"SELECT Content" // row[0]
" FROM not_notices"
" WHERE NotCod=%ld",
NotCod);
}
/*****************************************************************************/
/******************************* Get all notices *****************************/
/*****************************************************************************/
unsigned Not_DB_GetAllNotices (MYSQL_RES **mysql_res)
{
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get notices from database",
"SELECT NotCod," // row[0]
"UNIX_TIMESTAMP(CreatTime) AS F," // row[1]
"UsrCod," // row[2]
"Content," // row[3]
"Status" // row[4]
" FROM not_notices"
" WHERE CrsCod=%ld"
" ORDER BY CreatTime DESC",
Gbl.Hierarchy.Crs.CrsCod);
}
/*****************************************************************************/
/***************************** Get active notices ****************************/
/*****************************************************************************/
unsigned Not_DB_GetActiveNotices (MYSQL_RES **mysql_res,long CrsCod)
{
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get notices from database",
"SELECT NotCod," // row[0]
"UNIX_TIMESTAMP(CreatTime)," // row[1]
"UsrCod," // row[2]
"Content," // row[3]
"Status" // row[4]
" FROM not_notices"
" WHERE CrsCod=%ld"
" AND Status=%u"
" ORDER BY CreatTime DESC",
CrsCod,
(unsigned) Not_ACTIVE_NOTICE);
}
/*****************************************************************************/
/*************************** Get number of notices ***************************/
/*****************************************************************************/
unsigned Not_DB_GetNumNotices (MYSQL_RES **mysql_res,
HieLvl_Level_t Scope,Not_Status_t Status)
{
switch (Scope)
{
case HieLvl_SYS:
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get number of notices",
"SELECT COUNT(*)," // row[0]
"SUM(NumNotif)" // row[1]
" FROM not_notices"
" WHERE Status=%u",
Status);
case HieLvl_CTY:
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get number of notices",
"SELECT COUNT(*)," // row[0]
"SUM(not_notices.NumNotif)" // row[1]
" FROM ins_instits,"
"ctr_centers,"
"deg_degrees,"
"crs_courses,"
"not_notices"
" WHERE ins_instits.CtyCod=%ld"
" AND ins_instits.InsCod=ctr_centers.InsCod"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=not_notices.CrsCod"
" AND not_notices.Status=%u",
Gbl.Hierarchy.Cty.CtyCod,
Status);
case HieLvl_INS:
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get number of notices",
"SELECT COUNT(*)," // row[0]
"SUM(not_notices.NumNotif)" // row[1]
" FROM ctr_centers,"
"deg_degrees,"
"crs_courses,"
"not_notices"
" WHERE ctr_centers.InsCod=%ld"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=not_notices.CrsCod"
" AND not_notices.Status=%u",
Gbl.Hierarchy.Ins.InsCod,
Status);
case HieLvl_CTR:
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get number of notices",
"SELECT COUNT(*)," // row[0]
"SUM(not_notices.NumNotif)" // row[1]
" FROM deg_degrees,"
"crs_courses,"
"not_notices"
" WHERE deg_degrees.CtrCod=%ld"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=not_notices.CrsCod"
" AND not_notices.Status=%u",
Gbl.Hierarchy.Ctr.CtrCod,
Status);
case HieLvl_DEG:
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get number of notices",
"SELECT COUNT(*)," // row[0]
"SUM(not_notices.NumNotif)" // row[1]
" FROM crs_courses,"
"not_notices"
" WHERE crs_courses.DegCod=%ld"
" AND crs_courses.CrsCod=not_notices.CrsCod"
" AND not_notices.Status=%u",
Gbl.Hierarchy.Deg.DegCod,
Status);
case HieLvl_CRS:
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get number of notices",
"SELECT COUNT(*)," // row[0]
"SUM(NumNotif)" // row[1]
" FROM not_notices"
" WHERE CrsCod=%ld"
" AND Status=%u",
Gbl.Hierarchy.Crs.CrsCod,
Status);
default:
Err_WrongScopeExit ();
return 0; // Not reached
}
}
/*****************************************************************************/
/********************** Get number of deleted notices ************************/
/*****************************************************************************/
unsigned Not_DB_GetNumNoticesDeleted (MYSQL_RES **mysql_res,
HieLvl_Level_t Scope)
{
switch (Scope)
{
case HieLvl_SYS:
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get number of deleted notices",
"SELECT COUNT(*)," // row[0]
"SUM(NumNotif)" // row[1]
" FROM not_deleted");
case HieLvl_CTY:
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get number of deleted notices",
"SELECT COUNT(*)," // row[0]
"SUM(not_deleted.NumNotif)" // row[1]
" FROM ins_instits,"
"ctr_centers,"
"deg_degrees,"
"crs_courses,"
"not_deleted"
" WHERE ins_instits.CtyCod=%ld"
" AND ins_instits.InsCod=ctr_centers.InsCod"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=not_deleted.CrsCod",
Gbl.Hierarchy.Cty.CtyCod);
case HieLvl_INS:
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get number of deleted notices",
"SELECT COUNT(*)," // row[0]
"SUM(not_deleted.NumNotif)" // row[1]
" FROM ctr_centers,"
"deg_degrees,"
"crs_courses,"
"not_deleted"
" WHERE ctr_centers.InsCod=%ld"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=not_deleted.CrsCod",
Gbl.Hierarchy.Ins.InsCod);
case HieLvl_CTR:
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get number of deleted notices",
"SELECT COUNT(*)," // row[0]
"SUM(not_deleted.NumNotif)" // row[1]
" FROM deg_degrees,"
"crs_courses,"
"not_deleted"
" WHERE deg_degrees.CtrCod=%ld"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=not_deleted.CrsCod",
Gbl.Hierarchy.Ctr.CtrCod);
case HieLvl_DEG:
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get number of deleted notices",
"SELECT COUNT(*)," // row[0]
"SUM(not_deleted.NumNotif)" // row[1]
" FROM crs_courses,"
"not_deleted"
" WHERE crs_courses.DegCod=%ld"
" AND crs_courses.CrsCod=not_deleted.CrsCod",
Gbl.Hierarchy.Deg.DegCod);
case HieLvl_CRS:
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get number of deleted notices",
"SELECT COUNT(*)," // row[0]
"SUM(NumNotif)" // row[1]
" FROM not_deleted"
" WHERE CrsCod=%ld",
Gbl.Hierarchy.Crs.CrsCod);
default:
Err_WrongScopeExit ();
return 0; // Not reached
}
}
/*****************************************************************************/
/******************************** Remove notice ******************************/
/*****************************************************************************/
void Not_DB_RemoveNotice (long NotCod)
{
DB_QueryDELETE ("can not remove notice",
"DELETE FROM not_notices"
" WHERE NotCod=%ld"
" AND CrsCod=%ld", // Extra check
NotCod,
Gbl.Hierarchy.Crs.CrsCod);
}
/*****************************************************************************/
/************************* Remove notices in a course ************************/
/*****************************************************************************/
void Not_DB_RemoveCrsNotices (long CrsCod)
{
/***** Copy all notices from the course to table of deleted notices *****/
DB_QueryINSERT ("can not remove notices in a course",
"INSERT INTO not_deleted"
" (NotCod,CrsCod,UsrCod,CreatTime,Content,NumNotif)"
" SELECT NotCod,"
"CrsCod,"
"UsrCod,"
"CreatTime,"
"Content,"
"NumNotif"
" FROM not_notices"
" WHERE CrsCod=%ld",
CrsCod);
/***** Remove all notices from the course *****/
DB_QueryDELETE ("can not remove notices in a course",
"DELETE FROM not_notices"
" WHERE CrsCod=%ld",
CrsCod);
}
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