mirror of https://github.com/acanas/swad-core.git
1831 lines
68 KiB
C
1831 lines
68 KiB
C
// swad_forum_database.c: forums 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) 1999-2023 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 <stdbool.h> // For boolean type
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#include "swad_database.h"
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#include "swad_error.h"
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#include "swad_forum.h"
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#include "swad_forum_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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/******************* Get number of threads in a forum ************************/
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/*****************************************************************************/
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unsigned For_DB_GetNumThrsInForum (const struct For_Forum *Forum)
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{
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char SubQuery[256];
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/***** Get number of threads in a forum from database *****/
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if (Forum->Location > 0)
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sprintf (SubQuery," AND Location=%ld",Forum->Location);
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else
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SubQuery[0] = '\0';
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return (unsigned)
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DB_QueryCOUNT ("can not get number of threads in a forum",
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"SELECT COUNT(*)"
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" FROM for_threads"
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" WHERE ForumType=%u"
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"%s",
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(unsigned) Forum->Type,
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SubQuery);
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}
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/*****************************************************************************/
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/**** Get number of threads in forum with a modify time > a specified time ***/
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/*****************************************************************************/
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unsigned For_DB_GetNumThrsInForumNewerThan (const struct For_Forum *Forum,
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const char *Time)
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{
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char SubQuery[256];
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/***** Get number of threads with a last message modify time
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> specified time from database *****/
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if (Forum->Location > 0)
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sprintf (SubQuery," AND for_threads.Location=%ld",Forum->Location);
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else
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SubQuery[0] = '\0';
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return (unsigned)
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DB_QueryCOUNT ("can not check if there are new posts in a forum",
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"SELECT COUNT(*)"
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" FROM for_threads,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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"%s"
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" AND for_threads.LastPstCod=for_posts.PstCod"
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" AND for_posts.ModifTime>'%s'",
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(unsigned) Forum->Type,
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SubQuery,
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Time);
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}
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/*****************************************************************************/
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/***************** Get number of posts of a user in a forum ******************/
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/*****************************************************************************/
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unsigned For_DB_GetNumPstsOfUsrInForum (const struct For_Forum *Forum,
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long UsrCod)
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{
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char SubQuery[256];
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/***** Get number of posts from database *****/
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if (Forum->Location > 0)
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sprintf (SubQuery," AND for_threads.Location=%ld",Forum->Location);
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else
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SubQuery[0] = '\0';
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return (unsigned)
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DB_QueryCOUNT ("can not get the number of posts of a user in a forum",
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"SELECT COUNT(*)"
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" FROM for_posts,"
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"for_threads"
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" WHERE for_posts.UsrCod=%ld"
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" AND for_posts.ThrCod=for_threads.ThrCod"
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" AND for_threads.ForumType=%u"
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"%s",
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UsrCod,
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(unsigned) Forum->Type,
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SubQuery);
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}
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/*****************************************************************************/
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/************* Remove all threads and posts in forums of a scope *************/
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/*****************************************************************************/
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void For_DB_RemoveForums (HieLvl_Level_t Scope,long ForumLocation)
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{
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static const struct
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{
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For_ForumType_t Usrs;
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For_ForumType_t Tchs;
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} ForumType[HieLvl_NUM_LEVELS] =
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{
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[HieLvl_UNK] = {For_FORUM_GLOBAL_USRS,For_FORUM_GLOBAL_TCHS}, // No forums for this scope
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[HieLvl_SYS] = {For_FORUM_GLOBAL_USRS,For_FORUM_GLOBAL_TCHS}, // Not removable
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[HieLvl_CTY] = {For_FORUM_GLOBAL_USRS,For_FORUM_GLOBAL_TCHS}, // No forums for this scope
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[HieLvl_INS] = {For_FORUM_INSTIT_USRS,For_FORUM_INSTIT_TCHS},
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[HieLvl_CTR] = {For_FORUM_CENTER_USRS,For_FORUM_CENTER_TCHS},
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[HieLvl_DEG] = {For_FORUM_DEGREE_USRS,For_FORUM_DEGREE_TCHS},
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[HieLvl_CRS] = {For_FORUM_COURSE_USRS,For_FORUM_COURSE_TCHS},
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};
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/***** Remove disabled posts *****/
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DB_QueryDELETE ("can not remove the disabled posts in forums",
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"DELETE FROM for_disabled"
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" USING for_threads,"
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"for_posts,"
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"for_disabled"
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" WHERE"
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" (for_threads.ForumType=%u"
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" OR"
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" for_threads.ForumType=%u)"
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" AND for_threads.Location=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod"
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" AND for_posts.PstCod=for_disabled.PstCod",
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ForumType[Scope].Usrs,
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ForumType[Scope].Tchs,
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ForumLocation);
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/***** Remove posts *****/
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DB_QueryDELETE ("can not remove posts in forums",
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"DELETE FROM for_posts"
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" USING for_threads,"
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"for_posts"
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" WHERE"
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" (for_threads.ForumType=%u"
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" OR"
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" for_threads.ForumType=%u)"
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" AND for_threads.Location=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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ForumType[Scope].Usrs,
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ForumType[Scope].Tchs,
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ForumLocation);
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/***** Remove threads read *****/
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DB_QueryDELETE ("can not remove read threads in forums",
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"DELETE FROM for_read"
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" USING for_threads,"
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"for_read"
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" WHERE"
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" (for_threads.ForumType=%u"
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" OR"
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" for_threads.ForumType=%u)"
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" AND for_threads.Location=%ld"
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" AND for_threads.ThrCod=for_read.ThrCod",
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ForumType[Scope].Usrs,
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ForumType[Scope].Tchs,
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ForumLocation);
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/***** Remove threads *****/
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DB_QueryDELETE ("can not remove threads in forums",
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"DELETE FROM for_threads"
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" WHERE"
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" (for_threads.ForumType=%u"
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" OR"
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" for_threads.ForumType=%u)"
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" AND Location=%ld",
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ForumType[Scope].Usrs,
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ForumType[Scope].Tchs,
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ForumLocation);
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}
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/*****************************************************************************/
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/**************** Insert new post in the table of forum posts ****************/
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/*****************************************************************************/
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long For_DB_InsertForumPst (long ThrCod,long UsrCod,
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const char *Subject,const char *Content,
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long MedCod)
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{
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return
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DB_QueryINSERTandReturnCode ("can not create a new post in a forum",
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"INSERT INTO for_posts"
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" (ThrCod,UsrCod,CreatTime,ModifTime,NumNotif,"
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"Subject,Content,MedCod)"
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" VALUES"
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" (%ld,%ld,NOW(),NOW(),0,"
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"'%s','%s',%ld)",
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ThrCod,
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UsrCod,
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Subject,
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Content,
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MedCod);
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}
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/*****************************************************************************/
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/********* Update number of users notified in table of forum posts **********/
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/*****************************************************************************/
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void For_DB_UpdateNumUsrsNotifiedByEMailAboutPost (long PstCod,
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unsigned NumUsrsToBeNotifiedByEMail)
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{
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DB_QueryUPDATE ("can not update the number of notifications of a post",
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"UPDATE for_posts"
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" SET NumNotif=NumNotif+%u"
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" WHERE PstCod=%ld",
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NumUsrsToBeNotifiedByEMail,
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PstCod);
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}
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/*****************************************************************************/
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/******************** Get if a forum post exists in database *****************/
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/*****************************************************************************/
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bool For_DB_CheckIfForumPstExists (long PstCod)
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{
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return
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DB_QueryEXISTS ("can not check if a post of a forum already existed",
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"SELECT EXISTS"
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"(SELECT *"
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" FROM for_posts"
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" WHERE PstCod=%ld)",
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PstCod); // Post exists if it appears in table of forum posts
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}
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/*****************************************************************************/
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/*************************** Get data of a forum post ************************/
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/*****************************************************************************/
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unsigned For_DB_GetPstData (MYSQL_RES **mysql_res,long PstCod)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get data of a post",
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"SELECT UsrCod," // row[0]
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"UNIX_TIMESTAMP(CreatTime)," // row[1]
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"Subject," // row[2]
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"Content," // row[3]
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"MedCod" // row[4]
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" FROM for_posts"
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" WHERE PstCod=%ld",
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PstCod);
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}
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/*****************************************************************************/
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/***************** Get subject and content for a forum post ******************/
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/*****************************************************************************/
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unsigned For_DB_GetPstSubjectAndContent (MYSQL_RES **mysql_res,long PstCod)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get subject and content",
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"SELECT Subject," // row[0]
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"Content" // row[1]
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" FROM for_posts"
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" WHERE PstCod=%ld",
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PstCod);
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}
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/*****************************************************************************/
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/*************** Get the forum type and location of a post *******************/
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/*****************************************************************************/
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unsigned For_DB_GetForumTypeAndLocationOfAPost (MYSQL_RES **mysql_res,long PstCod)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get forum type and location",
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"SELECT for_threads.ForumType," // row[0]
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"for_threads.Location" // row[1]
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" FROM for_posts,"
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"for_threads"
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" WHERE for_posts.PstCod=%ld"
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" AND for_posts.ThrCod=for_threads.ThrCod",
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PstCod);
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}
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/*****************************************************************************/
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/*********************** Get number of posts from a user *********************/
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/*****************************************************************************/
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unsigned For_DB_GetNumPostsUsr (long UsrCod)
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{
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return DB_QueryCOUNT ("can not get number of forum posts from a user",
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"SELECT COUNT(*)"
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" FROM for_posts"
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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 posts of a thread *****************************/
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/*****************************************************************************/
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unsigned For_DB_GetPostsOfAThread (MYSQL_RES **mysql_res,long ThrCod)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get posts of a thread",
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"SELECT PstCod," // row[0]
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"UNIX_TIMESTAMP(CreatTime)" // row[1]
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" FROM for_posts"
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" WHERE ThrCod=%ld"
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" ORDER BY PstCod",
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ThrCod);
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}
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/*****************************************************************************/
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/*********** Get the number of posts in the thread than holds a post *********/
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/*****************************************************************************/
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unsigned For_DB_GetThreadAndNumPostsGivenPstCod (MYSQL_RES **mysql_res,long PstCod)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get number of posts in a thread",
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"SELECT ThrCod," // row[1]
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" COUNT(PstCod)" // row[0]
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" FROM for_posts"
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" WHERE ThrCod IN"
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" (SELECT ThrCod"
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" FROM for_posts"
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" WHERE PstCod=%ld)"
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" GROUP BY ThrCod;",
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PstCod);
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}
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/*****************************************************************************/
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/************* Get all publisher codes in a thread, except me ****************/
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/*****************************************************************************/
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unsigned For_DB_GetPublishersInThreadExceptMe (MYSQL_RES **mysql_res,long PstCod)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get publishers in thread",
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"SELECT DISTINCT "
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"UsrCod"
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" FROM for_posts"
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" WHERE ThrCod=(SELECT ThrCod"
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" FROM for_posts"
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" WHERE PstCod=%ld)"
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" AND UsrCod<>%ld",
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PstCod,
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Gbl.Usrs.Me.UsrDat.UsrCod);
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}
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/*****************************************************************************/
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/********************* Remove post from forum posts table ********************/
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/*****************************************************************************/
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void For_DB_RemovePst (long PstCod)
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{
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DB_QueryDELETE ("can not remove a post from a forum",
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"DELETE FROM for_posts"
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" WHERE PstCod=%ld",
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PstCod);
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}
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/*****************************************************************************/
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/************************ Remove all posts in a thread ***********************/
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/*****************************************************************************/
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void For_DB_RemoveThreadPsts (long ThrCod)
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{
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DB_QueryDELETE ("can not remove the posts of a thread of a forum",
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"DELETE FROM for_posts"
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" WHERE ThrCod=%ld",
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ThrCod);
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}
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/*****************************************************************************/
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/*************** Insert a new thread in table of forum threads ***************/
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/*****************************************************************************/
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// Returns the code of the new inserted thread
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long For_DB_InsertForumThread (const struct For_Forums *Forums,
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long FirstPstCod)
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{
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return
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DB_QueryINSERTandReturnCode ("can not create a new thread in a forum",
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"INSERT INTO for_threads"
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" (ForumType,Location,FirstPstCod,LastPstCod)"
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" VALUES"
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" (%u,%ld,%ld,%ld)",
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(unsigned) Forums->Forum.Type,
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Forums->Forum.Location,
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FirstPstCod,
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FirstPstCod);
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}
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/*****************************************************************************/
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/********* Modify the codes of the first and last posts of a thread **********/
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/*****************************************************************************/
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void For_DB_UpdateThrFirstAndLastPst (long ThrCod,long FirstPstCod,long LastPstCod)
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{
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DB_QueryUPDATE ("can not update a thread of a forum",
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"UPDATE for_threads"
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" SET FirstPstCod=%ld,"
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"LastPstCod=%ld"
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" WHERE ThrCod=%ld",
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FirstPstCod,
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LastPstCod,
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ThrCod);
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}
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/*****************************************************************************/
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/************** Modify the code of the last post of a thread *****************/
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/*****************************************************************************/
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void For_DB_UpdateThrLastPst (long ThrCod,long LastPstCod)
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{
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/***** Update the code of the last post of a thread *****/
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DB_QueryUPDATE ("can not update a thread of a forum",
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"UPDATE for_threads"
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" SET LastPstCod=%ld"
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" WHERE ThrCod=%ld",
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LastPstCod,
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ThrCod);
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}
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/*****************************************************************************/
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/********** Show available threads of a forum highlighting a thread **********/
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/*****************************************************************************/
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unsigned For_DB_GetForumThreads (MYSQL_RES **mysql_res,
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const struct For_Forums *Forums)
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{
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char SubQuery[256];
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/***** Get threads of a forum from database *****/
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if (Forums->Forum.Location > 0)
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sprintf (SubQuery," AND for_threads.Location=%ld",
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Forums->Forum.Location);
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else
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SubQuery[0] = '\0';
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switch (Forums->ThreadsOrder)
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{
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case Dat_STR_TIME: // First post time
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get thread of a forum",
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"SELECT for_threads.ThrCod" // row[0]
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" FROM for_threads,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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"%s"
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" AND for_threads.FirstPstCod=for_posts.PstCod"
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" ORDER BY for_posts.CreatTime DESC",
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(unsigned) Forums->Forum.Type,
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SubQuery);
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case Dat_END_TIME: // Last post time
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get thread of a forum",
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"SELECT for_threads.ThrCod" // row[0]
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" FROM for_threads,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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"%s"
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" AND for_threads.LastPstCod=for_posts.PstCod"
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" ORDER BY for_posts.CreatTime DESC",
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(unsigned) Forums->Forum.Type,
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SubQuery);
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default: // Impossible
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return 0;
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}
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}
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/*****************************************************************************/
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/***************************** Get data of a thread **************************/
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/*****************************************************************************/
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unsigned For_DB_GetThreadData (MYSQL_RES **mysql_res,long ThrCod)
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{
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get data of a thread of a forum",
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"SELECT m0.PstCod," // row[0]
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"m1.PstCod," // row[1]
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"m0.UsrCod," // row[2]
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"m1.UsrCod," // row[3]
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"UNIX_TIMESTAMP(m0.CreatTime)," // row[4]
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"UNIX_TIMESTAMP(m1.CreatTime)," // row[5]
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"m0.Subject"
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" FROM for_threads,"
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"for_posts AS m0,"
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"for_posts AS m1"
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" WHERE for_threads.ThrCod=%ld"
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" AND for_threads.FirstPstCod=m0.PstCod"
|
|
" AND for_threads.LastPstCod=m1.PstCod",
|
|
ThrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************************** Get thread subject ****************************/
|
|
/*****************************************************************************/
|
|
|
|
void For_DB_GetThreadSubject (long ThrCod,char Subject[Cns_MAX_BYTES_SUBJECT + 1])
|
|
{
|
|
DB_QuerySELECTString (Subject,Cns_MAX_BYTES_SUBJECT,
|
|
"can not get thread subject",
|
|
"SELECT for_posts.Subject" // row[0]
|
|
" FROM for_threads,"
|
|
"for_posts"
|
|
" WHERE for_threads.ThrCod=%ld"
|
|
" AND for_threads.FirstPstCod=for_posts.PstCod",
|
|
ThrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Get if a thread belongs to current forum ******************/
|
|
/*****************************************************************************/
|
|
|
|
bool For_DB_CheckIfThrBelongsToForum (long ThrCod,const struct For_Forum *Forum)
|
|
{
|
|
char SubQuery[256];
|
|
|
|
/***** Get if a thread belong to current forum from database *****/
|
|
if (Forum->Location > 0)
|
|
sprintf (SubQuery," AND for_threads.Location=%ld",Forum->Location);
|
|
else
|
|
SubQuery[0] = '\0';
|
|
|
|
return
|
|
DB_QueryEXISTS ("can not check if a thread belong to current forum",
|
|
"SELECT EXISTS"
|
|
"(SELECT *"
|
|
" FROM for_threads"
|
|
" WHERE ThrCod=%ld"
|
|
" AND ForumType=%u"
|
|
"%s)",
|
|
ThrCod,
|
|
(unsigned) Forum->Type,
|
|
SubQuery);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Get the code of the last post of a thread ******************/
|
|
/*****************************************************************************/
|
|
|
|
long For_DB_GetThrLastPst (long ThrCod)
|
|
{
|
|
long LastPstCod;
|
|
|
|
/***** Get the code of the last post of a thread from database *****/
|
|
LastPstCod = DB_QuerySELECTCode ("can not get the most recent post"
|
|
" of a thread of a forum",
|
|
"SELECT PstCod"
|
|
" FROM for_posts"
|
|
" WHERE ThrCod=%ld"
|
|
" ORDER BY CreatTime DESC"
|
|
" LIMIT 1",
|
|
ThrCod);
|
|
if (LastPstCod <= 0)
|
|
Err_ShowErrorAndExit ("Error when getting the most recent post of a thread of a forum.");
|
|
|
|
return LastPstCod;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************* Get the thread subject from a thread ******************/
|
|
/*****************************************************************************/
|
|
|
|
void For_DB_GetThrSubject (long ThrCod,char Subject[Cns_MAX_BYTES_SUBJECT + 1])
|
|
{
|
|
DB_QuerySELECTString (Subject,Cns_MAX_BYTES_SUBJECT,
|
|
"can not get the subject of a thread of a forum",
|
|
"SELECT for_posts.Subject" // row[0]
|
|
" FROM for_threads,"
|
|
"for_posts"
|
|
" WHERE for_threads.ThrCod=%ld"
|
|
" AND for_threads.FirstPstCod=for_posts.PstCod",
|
|
ThrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********** Get number of users that have write posts in a thread ************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned For_DB_GetNumOfWritersInThr (long ThrCod)
|
|
{
|
|
/***** Get number of distinct writers in a thread from database *****/
|
|
return DB_QueryCOUNT ("can not get the number of writers in a thread of a forum",
|
|
"SELECT COUNT(DISTINCT UsrCod)"
|
|
" FROM for_posts"
|
|
" WHERE ThrCod=%ld",
|
|
ThrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************** Get number of posts in a thread **********************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned For_DB_GetNumPstsInThr (long ThrCod)
|
|
{
|
|
/***** Get number of posts in a thread from database *****/
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of posts in a thread of a forum",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_posts"
|
|
" WHERE ThrCod=%ld",
|
|
ThrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************** Get whether there are posts of mine in a thread **************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned For_DB_GetNumMyPstsInThr (long ThrCod)
|
|
{
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not check if you have written posts in a thead of a forum",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_posts"
|
|
" WHERE ThrCod=%ld"
|
|
" AND UsrCod=%ld",
|
|
ThrCod,
|
|
Gbl.Usrs.Me.UsrDat.UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**** Get number of posts in thread with a modify time > a specified time ****/
|
|
/*****************************************************************************/
|
|
|
|
unsigned For_DB_GetNumPstsInThrNewerThan (long ThrCod,const char *Time)
|
|
{
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not check if there are new posts in a thread of a forum",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_posts"
|
|
" WHERE ThrCod=%ld"
|
|
" AND ModifTime>'%s'",
|
|
ThrCod,
|
|
Time);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*************** Delete a thread from the forum thread table *****************/
|
|
/*****************************************************************************/
|
|
|
|
void For_DB_RemoveThread (long ThrCod)
|
|
{
|
|
DB_QueryDELETE ("can not remove a thread from a forum",
|
|
"DELETE FROM for_threads"
|
|
" WHERE ThrCod=%ld",
|
|
ThrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************* Update read date of a thread for the current user *************/
|
|
/*****************************************************************************/
|
|
// Update for_read table indicating that this thread page and previous ones
|
|
// have been read and have no new posts for the current user
|
|
// (even if any previous pages have been no read actually)
|
|
// Note that database is not updated with the current time,
|
|
// but with the creation time of the most recent post in this thread read by me.
|
|
|
|
void For_DB_UpdateThrReadTime (long ThrCod,
|
|
time_t CreatTimeUTCOfTheMostRecentPostRead)
|
|
{
|
|
/***** Insert or replace pair ThrCod-UsrCod in for_read *****/
|
|
DB_QueryREPLACE ("can not update the status of reading"
|
|
" of a thread of a forum",
|
|
"REPLACE INTO for_read"
|
|
" (ThrCod,UsrCod,ReadTime)"
|
|
" VALUES"
|
|
" (%ld,%ld,FROM_UNIXTIME(%ld))",
|
|
ThrCod,
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
(long) CreatTimeUTCOfTheMostRecentPostRead);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Get number of users that have read a thread ****************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned For_DB_GetNumReadersOfThr (long ThrCod)
|
|
{
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of readers of a thread of a forum",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_read"
|
|
" WHERE ThrCod=%ld",
|
|
ThrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****************** Get thread read time for the current user ****************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned For_DB_GetThrReadTime (MYSQL_RES **mysql_res,long ThrCod)
|
|
{
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get date of reading"
|
|
" of a thread of a forum",
|
|
"SELECT UNIX_TIMESTAMP(ReadTime)" // row[0]
|
|
" FROM for_read"
|
|
" WHERE ThrCod=%ld"
|
|
" AND UsrCod=%ld",
|
|
ThrCod,
|
|
Gbl.Usrs.Me.UsrDat.UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********************** Get last time I read a forum ************************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned For_DB_GetLastTimeIReadForum (MYSQL_RES **mysql_res,
|
|
const struct For_Forum *Forum)
|
|
{
|
|
char SubQuery[256];
|
|
|
|
if (Forum->Location > 0)
|
|
sprintf (SubQuery," AND for_threads.Location=%ld",Forum->Location);
|
|
else
|
|
SubQuery[0] = '\0';
|
|
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get the date of reading of a forum",
|
|
"SELECT IFNULL(MAX(for_read.ReadTime),FROM_UNIXTIME(0))" // row[0]
|
|
" FROM for_read,"
|
|
"for_threads"
|
|
" WHERE for_read.UsrCod=%ld"
|
|
" AND for_read.ThrCod=for_threads.ThrCod"
|
|
" AND for_threads.ForumType=%u"
|
|
"%s",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
(unsigned) Forum->Type,
|
|
SubQuery);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********************** Get last time I read a thread ***********************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned For_DB_GetLastTimeIReadThread (MYSQL_RES **mysql_res,long ThrCod)
|
|
{
|
|
return (unsigned)
|
|
DB_QuerySELECT (mysql_res,"can not get the date of reading of a thread",
|
|
"SELECT ReadTime" // row[0]
|
|
" FROM for_read"
|
|
" WHERE ThrCod=%ld"
|
|
" AND UsrCod=%ld",
|
|
ThrCod,
|
|
Gbl.Usrs.Me.UsrDat.UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************* Remove thread read status for a thread ****************/
|
|
/*****************************************************************************/
|
|
|
|
void For_DB_RemoveThrFromReadThrs (long ThrCod)
|
|
{
|
|
DB_QueryDELETE ("can not remove the status of reading"
|
|
" of a thread of a forum",
|
|
"DELETE FROM for_read"
|
|
" WHERE ThrCod=%ld",
|
|
ThrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************** Remove thread read status for a user *****************/
|
|
/*****************************************************************************/
|
|
|
|
void For_DB_RemoveUsrFromReadThrs (long UsrCod)
|
|
{
|
|
DB_QueryDELETE ("can not remove the status of reading by a user"
|
|
" of all threads in a forum",
|
|
"DELETE FROM for_read"
|
|
" WHERE UsrCod=%ld",
|
|
UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********************** Insert thread in my clipboard ***********************/
|
|
/*****************************************************************************/
|
|
|
|
void For_DB_InsertThrInMyClipboard (long ThrCod)
|
|
{
|
|
DB_QueryREPLACE ("can not add thread to clipboard",
|
|
"REPLACE INTO for_clipboards"
|
|
" (ThrCod,UsrCod)"
|
|
" VALUES"
|
|
" (%ld,%ld)",
|
|
ThrCod,
|
|
Gbl.Usrs.Me.UsrDat.UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************ Move a thread to current forum *********************/
|
|
/*****************************************************************************/
|
|
|
|
void For_DB_MoveThrToCurrentForum (const struct For_Forums *Forums)
|
|
{
|
|
/***** Move a thread to current forum *****/
|
|
switch (Forums->Forum.Type)
|
|
{
|
|
case For_FORUM_GLOBAL_USRS:
|
|
case For_FORUM_GLOBAL_TCHS:
|
|
case For_FORUM__SWAD__USRS:
|
|
case For_FORUM__SWAD__TCHS:
|
|
DB_QueryUPDATE ("can not move a thread to current forum",
|
|
"UPDATE for_threads"
|
|
" SET ForumType=%u,"
|
|
"Location=-1"
|
|
" WHERE ThrCod=%ld",
|
|
(unsigned) Forums->Forum.Type,
|
|
Forums->Thread.Current);
|
|
break;
|
|
case For_FORUM_INSTIT_USRS:
|
|
case For_FORUM_INSTIT_TCHS:
|
|
DB_QueryUPDATE ("can not move a thread to current forum",
|
|
"UPDATE for_threads"
|
|
" SET ForumType=%u,"
|
|
"Location=%ld"
|
|
" WHERE ThrCod=%ld",
|
|
(unsigned) Forums->Forum.Type,
|
|
Forums->Forum.Location,
|
|
Forums->Thread.Current);
|
|
break;
|
|
case For_FORUM_CENTER_USRS:
|
|
case For_FORUM_CENTER_TCHS:
|
|
DB_QueryUPDATE ("can not move a thread to current forum",
|
|
"UPDATE for_threads"
|
|
" SET ForumType=%u,"
|
|
"Location=%ld"
|
|
" WHERE ThrCod=%ld",
|
|
(unsigned) Forums->Forum.Type,
|
|
Forums->Forum.Location,
|
|
Forums->Thread.Current);
|
|
break;
|
|
case For_FORUM_DEGREE_USRS:
|
|
case For_FORUM_DEGREE_TCHS:
|
|
DB_QueryUPDATE ("can not move a thread to current forum",
|
|
"UPDATE for_threads"
|
|
" SET ForumType=%u,"
|
|
"Location=%ld"
|
|
" WHERE ThrCod=%ld",
|
|
(unsigned) Forums->Forum.Type,
|
|
Forums->Forum.Location,
|
|
Forums->Thread.Current);
|
|
break;
|
|
case For_FORUM_COURSE_USRS:
|
|
case For_FORUM_COURSE_TCHS:
|
|
DB_QueryUPDATE ("can not move a thread to current forum",
|
|
"UPDATE for_threads"
|
|
" SET ForumType=%u,"
|
|
"Location=%ld"
|
|
" WHERE ThrCod=%ld",
|
|
(unsigned) Forums->Forum.Type,
|
|
Forums->Forum.Location,
|
|
Forums->Thread.Current);
|
|
break;
|
|
default:
|
|
Err_WrongForumExit ();
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Get if there is a thread ready to be moved *****************/
|
|
/*****************************************************************************/
|
|
|
|
long For_DB_GetThrInMyClipboard (void)
|
|
{
|
|
return DB_QuerySELECTCode ("can not check if there is"
|
|
" any thread ready to be moved",
|
|
"SELECT ThrCod"
|
|
" FROM for_clipboards"
|
|
" WHERE UsrCod=%ld",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Remove thread code from thread clipboard *******************/
|
|
/*****************************************************************************/
|
|
|
|
void For_DB_RemoveThrFromClipboard (long ThrCod)
|
|
{
|
|
DB_QueryDELETE ("can not remove a thread from clipboard",
|
|
"DELETE FROM for_clipboards"
|
|
" WHERE ThrCod=%ld",
|
|
ThrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************* Remove thread clipboard of a user *********************/
|
|
/*****************************************************************************/
|
|
|
|
void For_DB_RemoveUsrFromClipboard (long UsrCod)
|
|
{
|
|
DB_QueryDELETE ("can not remove a thread from the clipboard of a user",
|
|
"DELETE FROM for_clipboards"
|
|
" WHERE UsrCod=%ld",
|
|
UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************* Remove expired thread clipboards (from all users) *************/
|
|
/*****************************************************************************/
|
|
|
|
void For_DB_RemoveExpiredClipboards (void)
|
|
{
|
|
DB_QueryDELETE ("can not remove old threads from clipboards",
|
|
"DELETE LOW_PRIORITY FROM for_clipboards"
|
|
" WHERE TimeInsert<FROM_UNIXTIME(UNIX_TIMESTAMP()-%lu)",
|
|
Cfg_TIME_TO_DELETE_THREAD_CLIPBOARD);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****************** Insert post into table of banned posts *******************/
|
|
/*****************************************************************************/
|
|
|
|
void For_DB_InsertPstIntoDisabled (long PstCod)
|
|
{
|
|
DB_QueryREPLACE ("can not ban a post of a forum",
|
|
"REPLACE INTO for_disabled"
|
|
" (PstCod,UsrCod,DisableTime)"
|
|
" VALUES"
|
|
" (%ld,%ld,NOW())",
|
|
PstCod,
|
|
Gbl.Usrs.Me.UsrDat.UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********************** Get if a forum post is disabled *********************/
|
|
/*****************************************************************************/
|
|
|
|
bool For_DB_GetIfPstIsDisabled (long PstCod)
|
|
{
|
|
/***** Trivial check: post code should be > 0 *****/
|
|
if (PstCod <= 0)
|
|
return true;
|
|
|
|
/***** Get if post is disabled from database *****/
|
|
return
|
|
DB_QueryEXISTS ("can not check if a post of a forum is disabled",
|
|
"SELECT EXISTS"
|
|
"(SELECT *"
|
|
" FROM for_disabled"
|
|
" WHERE PstCod=%ld)",
|
|
PstCod); // Post is enabled if it does not appear in table of disabled posts
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****************** Remove post from table of disabled posts *****************/
|
|
/*****************************************************************************/
|
|
|
|
void For_DB_RemovePstFromDisabled (long PstCod)
|
|
{
|
|
DB_QueryDELETE ("can not unban a post of a forum",
|
|
"DELETE FROM for_disabled"
|
|
" WHERE PstCod=%ld",
|
|
PstCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********************** Delete disabled posts in thread *********************/
|
|
/*****************************************************************************/
|
|
|
|
void For_DB_RemoveDisabledPstsInThread (long ThrCod)
|
|
{
|
|
DB_QueryDELETE ("can not unban the posts of a thread of a forum",
|
|
"DELETE FROM for_disabled"
|
|
"USING for_posts,"
|
|
"for_disabled"
|
|
" WHERE for_posts.ThrCod=%ld"
|
|
" AND for_posts.PstCod=for_disabled.PstCod",
|
|
ThrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************** Get number of forums of a type ***********************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned For_DB_GetNumTotalForumsOfType (For_ForumType_t ForumType,
|
|
long CtyCod,
|
|
long InsCod,
|
|
long CtrCod,
|
|
long DegCod,
|
|
long CrsCod)
|
|
{
|
|
/***** Get number of forums of a type from database *****/
|
|
switch (ForumType)
|
|
{
|
|
case For_FORUM_GLOBAL_USRS:
|
|
case For_FORUM_GLOBAL_TCHS:
|
|
case For_FORUM__SWAD__USRS:
|
|
case For_FORUM__SWAD__TCHS:
|
|
return 1; // Only one forum
|
|
case For_FORUM_INSTIT_USRS:
|
|
case For_FORUM_INSTIT_TCHS:
|
|
if (InsCod > 0)
|
|
// InsCod > 0 ==> 0 <= number of institutions forums for an institution <= 1
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT Location)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u"
|
|
" AND Location=%ld",
|
|
(unsigned) ForumType,
|
|
InsCod);
|
|
|
|
if (CtyCod > 0)
|
|
// InsCod <= 0 && CtyCod > 0 ==> Number of institution forums for a country
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT for_threads.Location)"
|
|
" FROM for_threads,"
|
|
"ins_instits"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=ins_instits.InsCod"
|
|
" AND ins_instits.CtyCod=%ld",
|
|
(unsigned) ForumType,
|
|
CtyCod);
|
|
|
|
// CtyCod <= 0 ==> Number of institutions forums for the whole platform
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT Location)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u",
|
|
(unsigned) ForumType);
|
|
case For_FORUM_CENTER_USRS:
|
|
case For_FORUM_CENTER_TCHS:
|
|
if (CtrCod > 0)
|
|
// CtrCod > 0 ==> 0 <= number of center forums for a center <= 1
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT Location)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u"
|
|
" AND Location=%ld",
|
|
(unsigned) ForumType,
|
|
CtrCod);
|
|
|
|
if (InsCod > 0)
|
|
// CtrCod <= 0 && InsCod > 0 ==> Number of center forums for an institution
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT for_threads.Location)"
|
|
" FROM for_threads,"
|
|
"ctr_centers"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=%ld",
|
|
(unsigned) ForumType,
|
|
InsCod);
|
|
|
|
if (CtyCod > 0)
|
|
// InsCod <= 0 && CtyCod > 0 ==> Number of center forums for a country
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT for_threads.Location)"
|
|
" FROM for_threads,"
|
|
"ctr_centers,"
|
|
"ins_instits"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=ins_instits.InsCod"
|
|
" AND ins_instits.CtyCod=%ld",
|
|
(unsigned) ForumType,
|
|
CtyCod);
|
|
|
|
// InsCod <= 0 ==> Number of center forums for the whole platform
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT Location)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u",
|
|
(unsigned) ForumType);
|
|
case For_FORUM_DEGREE_USRS:
|
|
case For_FORUM_DEGREE_TCHS:
|
|
if (DegCod > 0)
|
|
// DegCod > 0 ==> 0 <= number of degree forums for a degree <= 1
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT Location)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u"
|
|
" AND Location=%ld",
|
|
(unsigned) ForumType,
|
|
DegCod);
|
|
|
|
if (CtrCod > 0)
|
|
// DegCod <= 0 && CtrCod > 0 ==> Number of degree forums for a center
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT for_threads.Location)"
|
|
" FROM for_threads,"
|
|
"deg_degrees"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=%ld",
|
|
(unsigned) ForumType,
|
|
CtrCod);
|
|
|
|
if (InsCod > 0)
|
|
// CtrCod <= 0 && InsCod > 0 ==> Number of degree forums for an institution
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT for_threads.Location)"
|
|
" FROM for_threads,"
|
|
"deg_degrees,"
|
|
"ctr_centers"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=%ld",
|
|
(unsigned) ForumType,
|
|
InsCod);
|
|
|
|
if (CtyCod > 0)
|
|
// InsCod <= 0 && CtyCod > 0 ==> Number of degree forums for a country
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT for_threads.Location)"
|
|
" FROM for_threads,"
|
|
"deg_degrees,"
|
|
"ctr_centers,"
|
|
"ins_instits"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=ins_instits.InsCod"
|
|
" AND ins_instits.CtyCod=%ld",
|
|
(unsigned) ForumType,
|
|
CtyCod);
|
|
|
|
// InsCod <= 0 ==> Number of degree forums for the whole platform
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT Location)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u",
|
|
(unsigned) ForumType);
|
|
case For_FORUM_COURSE_USRS:
|
|
case For_FORUM_COURSE_TCHS:
|
|
if (CrsCod > 0)
|
|
// CrsCod > 0 ==> 0 <= number of course forums for a course <= 1
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT Location)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u"
|
|
" AND Location=%ld",
|
|
(unsigned) ForumType,
|
|
CrsCod);
|
|
|
|
if (DegCod > 0)
|
|
// CrsCod <= 0 && DegCod > 0 ==> Number of course forums for a degree
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT for_threads.Location)"
|
|
" FROM for_threads,"
|
|
"crs_courses"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=%ld",
|
|
(unsigned) ForumType,
|
|
DegCod);
|
|
|
|
if (CtrCod > 0)
|
|
// DegCod <= 0 && CtrCod > 0 ==> Number of course forums for a center
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT for_threads.Location)"
|
|
" FROM for_threads,"
|
|
"crs_courses,"
|
|
"deg_degrees"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=%ld",
|
|
(unsigned) ForumType,
|
|
CtrCod);
|
|
|
|
if (InsCod > 0)
|
|
// CtrCod <= 0 && InsCod > 0 ==> Number of course forums for an institution
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT for_threads.Location)"
|
|
" FROM for_threads,"
|
|
"crs_courses,"
|
|
"deg_degrees,"
|
|
"ctr_centers"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=%ld",
|
|
(unsigned) ForumType,
|
|
InsCod);
|
|
|
|
if (CtyCod > 0)
|
|
// InsCod <= 0 && CtyCod > 0 ==> Number of course forums for a country
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT for_threads.Location)"
|
|
" FROM for_threads,"
|
|
"crs_courses,"
|
|
"deg_degrees,"
|
|
"ctr_centers,"
|
|
"ins_instits"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=ins_instits.InsCod"
|
|
" AND ins_instits.CtyCod=%ld",
|
|
(unsigned) ForumType,
|
|
CtyCod);
|
|
|
|
// InsCod <= 0 ==> Number of course forums for the whole platform
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get number of forums of a type",
|
|
"SELECT COUNT(DISTINCT Location)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u",
|
|
(unsigned) ForumType);
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********** Get total number of threads in forums of this type **************/
|
|
/*****************************************************************************/
|
|
|
|
unsigned For_DB_GetNumTotalThrsInForumsOfType (For_ForumType_t ForumType,
|
|
long CtyCod,
|
|
long InsCod,
|
|
long CtrCod,
|
|
long DegCod,
|
|
long CrsCod)
|
|
{
|
|
/***** Get total number of threads in forums of this type from database *****/
|
|
switch (ForumType)
|
|
{
|
|
case For_FORUM_GLOBAL_USRS:
|
|
case For_FORUM_GLOBAL_TCHS:
|
|
case For_FORUM__SWAD__USRS:
|
|
case For_FORUM__SWAD__TCHS:
|
|
// Total number of threads in forums of this type
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u",
|
|
(unsigned) ForumType);
|
|
case For_FORUM_INSTIT_USRS:
|
|
case For_FORUM_INSTIT_TCHS:
|
|
if (InsCod > 0)
|
|
// InsCod > 0 ==> Number of threads in institution forums for an institution
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u"
|
|
" AND Location=%ld",
|
|
(unsigned) ForumType,
|
|
InsCod);
|
|
|
|
if (CtyCod > 0)
|
|
// InsCod <= 0 && CtyCod > 0 ==> Number of threads in institution forums for a country
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads,"
|
|
"ins_instits"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=ins_instits.InsCod"
|
|
" AND ins_instits.CtyCod=%ld",
|
|
(unsigned) ForumType,
|
|
CtyCod);
|
|
|
|
// InsCod <= 0 ==> Number of threads in institution forums for the whole platform
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u",
|
|
(unsigned) ForumType);
|
|
case For_FORUM_CENTER_USRS:
|
|
case For_FORUM_CENTER_TCHS:
|
|
if (CtrCod > 0)
|
|
// CtrCod > 0 ==> 0 <= Number of threads in center forums for a center <= 1
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u"
|
|
" AND Location=%ld",
|
|
(unsigned) ForumType,
|
|
CtrCod);
|
|
|
|
if (InsCod > 0)
|
|
// CtrCod <= 0 && InsCod > 0 ==> Number of threads in center forums for an institution
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads,"
|
|
"ctr_centers"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=%ld",
|
|
(unsigned) ForumType,
|
|
InsCod);
|
|
|
|
if (CtyCod > 0)
|
|
// InsCod <= 0 && CtyCod > 0 ==> Number of threads in center forums for a country
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads,"
|
|
"ctr_centers,"
|
|
"ins_instits"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=ins_instits.InsCod"
|
|
" AND ins_instits.CtyCod=%ld",
|
|
(unsigned) ForumType,
|
|
CtyCod);
|
|
|
|
// InsCod <= 0 ==> Number of threads in center forums for the whole platform
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u",
|
|
(unsigned) ForumType);
|
|
case For_FORUM_DEGREE_USRS:
|
|
case For_FORUM_DEGREE_TCHS:
|
|
if (DegCod > 0)
|
|
// DegCod > 0 ==> Number of threads in degree forums for a degree
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u"
|
|
" AND Location=%ld",
|
|
(unsigned) ForumType,
|
|
DegCod);
|
|
|
|
if (CtrCod > 0)
|
|
// DegCod <= 0 && CtrCod > 0 ==> Number of threads in degree forums for a center
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads,"
|
|
"deg_degrees"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=%ld",
|
|
(unsigned) ForumType,
|
|
CtrCod);
|
|
|
|
if (InsCod > 0)
|
|
// CtrCod <= 0 && InsCod > 0 ==> Number of threads in degree forums for an institution
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads,"
|
|
"deg_degrees,"
|
|
"ctr_centers"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=%ld",
|
|
(unsigned) ForumType,
|
|
InsCod);
|
|
|
|
if (CtyCod > 0) // InsCod <= 0 && CtyCod > 0 ==> Number of threads in degree forums for a country
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads,"
|
|
"deg_degrees,"
|
|
"ctr_centers,"
|
|
"ins_instits"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=ins_instits.InsCod"
|
|
" AND ins_instits.CtyCod=%ld",
|
|
(unsigned) ForumType,
|
|
CtyCod);
|
|
|
|
// InsCod <= 0 ==> Number of threads in degree forums for the whole platform
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u",
|
|
(unsigned) ForumType);
|
|
case For_FORUM_COURSE_USRS:
|
|
case For_FORUM_COURSE_TCHS:
|
|
if (CrsCod > 0)
|
|
// CrsCod > 0 ==> 0 <= Number of threads in course forums for a course
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u"
|
|
" AND Location=%ld",
|
|
(unsigned) ForumType,
|
|
CrsCod);
|
|
|
|
if (DegCod > 0)
|
|
// CrsCod <= 0 && DegCod > 0 ==> Number of threads in course forums for a degree
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads,"
|
|
"crs_courses"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=%ld",
|
|
(unsigned) ForumType,
|
|
DegCod);
|
|
|
|
if (CtrCod > 0)
|
|
// DegCod <= 0 && CtrCod > 0 ==> Number of threads in course forums for a center
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads,"
|
|
"crs_courses,"
|
|
"deg_degrees"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=%ld",
|
|
(unsigned) ForumType,
|
|
CtrCod);
|
|
|
|
if (InsCod > 0)
|
|
// CtrCod <= 0 && InsCod > 0 ==> Number of threads in course forums for an institution
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads,"
|
|
"crs_courses,"
|
|
"deg_degrees,"
|
|
"ctr_centers"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=%ld",
|
|
(unsigned) ForumType,
|
|
InsCod);
|
|
|
|
if (CtyCod > 0)
|
|
// InsCod <= 0 && CtyCod > 0 ==> Number of threads in course forums for a country
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads,"
|
|
"crs_courses,"
|
|
"deg_degrees,"
|
|
"ctr_centers,"
|
|
"ins_instits"
|
|
" WHERE for_threads.ForumType=%u"
|
|
" AND for_threads.Location=crs_courses.CrsCod"
|
|
" AND crs_courses.DegCod=deg_degrees.DegCod"
|
|
" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
|
|
" AND ctr_centers.InsCod=ins_instits.InsCod"
|
|
" AND ins_instits.CtyCod=%ld",
|
|
(unsigned) ForumType,
|
|
CtyCod);
|
|
|
|
// InsCod <= 0 ==> Number of threads in course forums for the whole platform
|
|
return (unsigned)
|
|
DB_QueryCOUNT ("can not get the number of threads in forums of a type",
|
|
"SELECT COUNT(*)"
|
|
" FROM for_threads"
|
|
" WHERE ForumType=%u",
|
|
(unsigned) ForumType);
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************** Get total number of posts in forums of a type ****************/
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/*****************************************************************************/
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unsigned For_DB_GetNumTotalPstsInForumsOfType (For_ForumType_t ForumType,
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long CtyCod,
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long InsCod,
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long CtrCod,
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long DegCod,
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long CrsCod,
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unsigned *NumUsrsToBeNotifiedByEMail)
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{
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MYSQL_RES *mysql_res;
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MYSQL_ROW row;
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unsigned NumPosts;
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/***** Get total number of posts in forums of this type from database *****/
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switch (ForumType)
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{
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case For_FORUM_GLOBAL_USRS:
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case For_FORUM_GLOBAL_TCHS:
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case For_FORUM__SWAD__USRS:
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case For_FORUM__SWAD__TCHS:
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// Total number of posts in forums of this type
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"for_posts "
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType);
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break;
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case For_FORUM_INSTIT_USRS: case For_FORUM_INSTIT_TCHS:
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if (InsCod > 0) // InsCod > 0 ==> Number of posts in institutions forums for an institution
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.Location=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType,
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InsCod);
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else if (CtyCod > 0) // InsCod <= 0 && CtyCod > 0 ==> Number of posts in institutions forums for a country
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"ins_instits,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.Location=ins_instits.InsCod"
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" AND ins_instits.CtyCod=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType,
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CtyCod);
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else // InsCod <= 0 ==> Number of posts in institution forums for the whole platform
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"for_posts "
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType);
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break;
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case For_FORUM_CENTER_USRS:
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case For_FORUM_CENTER_TCHS:
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if (CtrCod > 0) // CtrCod > 0 ==> Number of posts in center forums for a center
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.Location=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType,
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CtrCod);
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else if (InsCod > 0) // CtrCod <= 0 && InsCod > 0 ==> Number of posts in center forums for an institution
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"ctr_centers,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.Location=ctr_centers.CtrCod"
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" AND ctr_centers.InsCod=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType,
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InsCod);
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else if (CtyCod > 0) // InsCod <= 0 && CtyCod > 0 ==> Number of posts in center forums for a country
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"ctr_centers,"
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"ins_instits,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.Location=ctr_centers.CtrCod"
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" AND ctr_centers.InsCod=ins_instits.InsCod"
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" AND ins_instits.CtyCod=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType,
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CtyCod);
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else // InsCod <= 0 ==> Number of posts in center forums for the whole platform
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType);
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break;
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case For_FORUM_DEGREE_USRS:
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case For_FORUM_DEGREE_TCHS:
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if (DegCod > 0) // DegCod > 0 ==> Number of posts in degree forums for a degree
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.Location=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType,
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DegCod);
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else if (CtrCod > 0) // DegCod <= 0 && CtrCod > 0 ==> Number of posts in degree forums for a center
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"deg_degrees,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.Location=deg_degrees.DegCod"
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" AND deg_degrees.CtrCod=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType,
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CtrCod);
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else if (InsCod > 0) // CtrCod <= 0 && InsCod > 0 ==> Number of posts in degree forums for an institution
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"deg_degrees,"
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"ctr_centers,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.Location=deg_degrees.DegCod"
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" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
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" AND ctr_centers.InsCod=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType,
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InsCod);
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else if (CtyCod > 0) // InsCod <= 0 && CtyCod > 0 ==> Number of posts in degree forums for a country
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"deg_degrees,"
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"ctr_centers,"
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"ins_instits,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.Location=deg_degrees.DegCod"
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" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
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" AND ctr_centers.InsCod=ins_instits.InsCod"
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" AND ins_instits.CtyCod=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType,
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CtyCod);
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else // InsCod <= 0 ==> Number of posts in degree forums for the whole platform
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"for_posts "
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType);
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break;
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case For_FORUM_COURSE_USRS:
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case For_FORUM_COURSE_TCHS:
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if (CrsCod > 0) // CrsCod > 0 ==> 0 <= number of posts in course forums for a course
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"for_posts "
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.Location=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType,
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CrsCod);
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else if (DegCod > 0) // CrsCod <= 0 && DegCod > 0 ==> Number of posts in course forums for a degree
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"crs_courses,"
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"for_posts "
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.Location=crs_courses.CrsCod"
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" AND crs_courses.DegCod=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType,
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DegCod);
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else if (CtrCod > 0) // DegCod <= 0 && CtrCod > 0 ==> Number of posts in course forums for a center
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"crs_courses,"
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"deg_degrees,"
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"for_posts "
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.Location=crs_courses.CrsCod"
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" AND crs_courses.DegCod=deg_degrees.DegCod"
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" AND deg_degrees.CtrCod=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType,
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CtrCod);
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else if (InsCod > 0) // CtrCod <= 0 && InsCod > 0 ==> Number of posts in course forums for an institution
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"crs_courses,"
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"deg_degrees,"
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"ctr_centers,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.Location=crs_courses.CrsCod"
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" AND crs_courses.DegCod=deg_degrees.DegCod"
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" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
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" AND ctr_centers.InsCod=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType,
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InsCod);
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else if (CtyCod > 0) // InsCod <= 0 && CtyCod > 0 ==> Number of posts in course forums for a country
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"crs_courses,"
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"deg_degrees,"
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"ctr_centers,"
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"ins_instits,"
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"for_posts"
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.Location=crs_courses.CrsCod"
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" AND crs_courses.DegCod=deg_degrees.DegCod"
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" AND deg_degrees.CtrCod=ctr_centers.CtrCod"
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" AND ctr_centers.InsCod=ins_instits.InsCod"
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" AND ins_instits.CtyCod=%ld"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType,
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CtyCod);
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else // CrsCod <= 0 && DegCod <= 0 && CtrCod <= 0 ==> Number of posts in course forums for the whole platform
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DB_QuerySELECT (&mysql_res,"can not get the total number"
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" of forums of a type",
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"SELECT COUNT(*)," // row[0]
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"SUM(for_posts.NumNotif)" // row[1]
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" FROM for_threads,"
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"for_posts "
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" WHERE for_threads.ForumType=%u"
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" AND for_threads.ThrCod=for_posts.ThrCod",
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(unsigned) ForumType);
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break;
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default:
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return 0;
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}
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/* Get row with number of posts */
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row = mysql_fetch_row (mysql_res);
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/* Get number of posts (row[0]) */
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if (sscanf (row[0],"%u",&NumPosts) != 1)
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Err_ShowErrorAndExit ("Error when getting the total number of forums of a type.");
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/* Get number of users notified (row[1]) */
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if (row[1])
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{
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if (sscanf (row[1],"%u",NumUsrsToBeNotifiedByEMail) != 1)
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Err_ShowErrorAndExit ("Error when getting the total number of forums of a type.");
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}
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else
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*NumUsrsToBeNotifiedByEMail = 0;
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/***** Free structure that stores the query result *****/
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DB_FreeMySQLResult (&mysql_res);
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return NumPosts;
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}
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