// swad_timeline_user.c: social timeline users
/*
SWAD (Shared Workspace At a Distance),
is a web platform developed at the University of Granada (Spain),
and used to support university teaching.
This file is part of SWAD core.
Copyright (C) 1999-2021 Antonio Caņas Vargas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General 3 License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see .
*/
/*****************************************************************************/
/*********************************** Headers *********************************/
/*****************************************************************************/
#define _GNU_SOURCE // For asprintf
#include // For PATH_MAX
#include // For asprintf
#include "swad_database.h"
#include "swad_global.h"
#include "swad_photo.h"
#include "swad_timeline.h"
#include "swad_timeline_note.h"
#include "swad_timeline_publication.h"
#include "swad_timeline_user.h"
/*****************************************************************************/
/****************************** Public constants *****************************/
/*****************************************************************************/
/*****************************************************************************/
/************************* Private constants and types ***********************/
/*****************************************************************************/
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/************************* Private global variables **************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private prototypes ****************************/
/*****************************************************************************/
/*****************************************************************************/
/************* Remove all the content of a user from database ****************/
/*****************************************************************************/
void TL_Usr_RemoveUsrContent (long UsrCod)
{
/***** Remove favs for comments *****/
/* Remove all favs made by this user in any comment */
DB_QueryDELETE ("can not remove favs",
"DELETE FROM tl_comments_fav"
" WHERE UsrCod=%ld",
UsrCod);
/* Remove all favs for all comments of this user */
DB_QueryDELETE ("can not remove favs",
"DELETE FROM tl_comments_fav"
" USING tl_pubs,tl_comments_fav"
" WHERE tl_pubs.PublisherCod=%ld" // Author of the comment
" AND tl_pubs.PubType=%u"
" AND tl_pubs.PubCod=tl_comments_fav.PubCod",
UsrCod,(unsigned) TL_Pub_COMMENT_TO_NOTE);
/* Remove all favs for all comments in all the notes of the user */
DB_QueryDELETE ("can not remove comments",
"DELETE FROM tl_comments_fav"
" USING tl_notes,tl_pubs,tl_comments_fav"
" WHERE tl_notes.UsrCod=%ld" // Author of the note
" AND tl_notes.NotCod=tl_pubs.NotCod"
" AND tl_pubs.PubType=%u"
" AND tl_pubs.PubCod=tl_comments_fav.PubCod",
UsrCod,(unsigned) TL_Pub_COMMENT_TO_NOTE);
/***** Remove favs for notes *****/
/* Remove all favs made by this user in any note */
DB_QueryDELETE ("can not remove favs",
"DELETE FROM tl_notes_fav"
" WHERE UsrCod=%ld",
UsrCod);
/* Remove all favs for all notes of this user */
DB_QueryDELETE ("can not remove favs",
"DELETE FROM tl_notes_fav"
" USING tl_notes,tl_notes_fav"
" WHERE tl_notes.UsrCod=%ld" // Author of the note
" AND tl_notes.NotCod=tl_notes_fav.NotCod",
UsrCod);
/***** Remove comments *****/
/* Remove content of all the comments in all the notes of the user */
DB_QueryDELETE ("can not remove comments",
"DELETE FROM tl_comments"
" USING tl_notes,tl_pubs,tl_comments"
" WHERE tl_notes.UsrCod=%ld"
" AND tl_notes.NotCod=tl_pubs.NotCod"
" AND tl_pubs.PubType=%u"
" AND tl_pubs.PubCod=tl_comments.PubCod",
UsrCod,(unsigned) TL_Pub_COMMENT_TO_NOTE);
/* Remove all the comments from any user in any note of the user */
DB_QueryDELETE ("can not remove comments",
"DELETE FROM tl_pubs"
" USING tl_notes,tl_pubs"
" WHERE tl_notes.UsrCod=%ld"
" AND tl_notes.NotCod=tl_pubs.NotCod"
" AND tl_pubs.PubType=%u",
UsrCod,(unsigned) TL_Pub_COMMENT_TO_NOTE);
/* Remove content of all the comments of the user in any note */
DB_QueryDELETE ("can not remove comments",
"DELETE FROM tl_comments"
" USING tl_pubs,tl_comments"
" WHERE tl_pubs.PublisherCod=%ld"
" AND tl_pubs.PubType=%u"
" AND tl_pubs.PubCod=tl_comments.PubCod",
UsrCod,(unsigned) TL_Pub_COMMENT_TO_NOTE);
/***** Remove all the posts of the user *****/
DB_QueryDELETE ("can not remove posts",
"DELETE FROM tl_posts"
" WHERE PstCod IN"
" (SELECT Cod FROM tl_notes"
" WHERE UsrCod=%ld AND NoteType=%u)",
UsrCod,(unsigned) TL_NOTE_POST);
/***** Remove all the publications of any user authored by the user *****/
DB_QueryDELETE ("can not remove publications",
"DELETE FROM tl_pubs"
" USING tl_notes,tl_pubs"
" WHERE tl_notes.UsrCod=%ld"
" AND tl_notes.NotCod=tl_pubs.NotCod",
UsrCod);
/***** Remove all the publications of the user *****/
DB_QueryDELETE ("can not remove publications",
"DELETE FROM tl_pubs"
" WHERE PublisherCod=%ld",
UsrCod);
/***** Remove all the notes of the user *****/
DB_QueryDELETE ("can not remove notes",
"DELETE FROM tl_notes"
" WHERE UsrCod=%ld",
UsrCod);
}
/*****************************************************************************/
/************************ Show sharers or favouriters ************************/
/*****************************************************************************/
void TL_Usr_ShowNumSharersOrFavers (unsigned NumUsrs)
{
/***** Show number of sharers or favers
(users who have shared or marked this note as favourite) *****/
HTM_TxtF (" %u",NumUsrs);
}
void TL_Usr_ShowSharersOrFavers (MYSQL_RES **mysql_res,
unsigned NumUsrs,unsigned NumFirstUsrs)
{
MYSQL_ROW row;
unsigned NumUsr;
unsigned NumUsrsShown = 0;
struct UsrData UsrDat;
bool ShowPhoto;
char PhotoURL[PATH_MAX + 1];
if (NumUsrs)
{
/***** A list of users has been got from database *****/
if (NumFirstUsrs)
{
/***** Initialize structure with user's data *****/
Usr_UsrDataConstructor (&UsrDat);
/***** List users *****/
for (NumUsr = 0;
NumUsr < NumFirstUsrs;
NumUsr++)
{
/***** Get user *****/
row = mysql_fetch_row (*mysql_res);
/* Get user's code (row[0]) */
UsrDat.UsrCod = Str_ConvertStrCodToLongCod (row[0]);
/***** Get user's data and show user's photo *****/
if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&UsrDat,Usr_DONT_GET_PREFS))
{
HTM_DIV_Begin ("class=\"TL_SHARER\"");
ShowPhoto = Pho_ShowingUsrPhotoIsAllowed (&UsrDat,PhotoURL);
Pho_ShowUsrPhoto (&UsrDat,ShowPhoto ? PhotoURL :
NULL,
"PHOTO12x16",Pho_ZOOM,true); // Use unique id
HTM_DIV_End ();
NumUsrsShown++;
}
}
/***** Free memory used for user's data *****/
Usr_UsrDataDestructor (&UsrDat);
}
}
}