mirror of https://github.com/acanas/swad-core.git
227 lines
8.4 KiB
C
227 lines
8.4 KiB
C
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// swad_timeline_user.c: social timeline users
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/*
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SWAD (Shared Workspace At a Distance),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2021 Antonio Ca<EFBFBD>as 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 3 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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#define _GNU_SOURCE // For asprintf
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#include <linux/limits.h> // For PATH_MAX
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#include <stdio.h> // For asprintf
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#include "swad_database.h"
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#include "swad_global.h"
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#include "swad_photo.h"
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#include "swad_timeline.h"
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#include "swad_timeline_note.h"
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#include "swad_timeline_publication.h"
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#include "swad_timeline_user.h"
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/*****************************************************************************/
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/****************************** Public constants *****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/************************* Private constants and types ***********************/
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/*****************************************************************************/
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/*****************************************************************************/
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/************** External global variables from others modules ****************/
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/*****************************************************************************/
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extern struct Globals Gbl;
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/*****************************************************************************/
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/************************* Private global variables **************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Private prototypes ****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/************* Remove all the content of a user from database ****************/
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/*****************************************************************************/
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void TL_Usr_RemoveUsrContent (long UsrCod)
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{
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/***** Remove favs for comments *****/
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/* Remove all favs made by this user in any comment */
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DB_QueryDELETE ("can not remove favs",
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"DELETE FROM tl_comments_fav"
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" WHERE UsrCod=%ld",
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UsrCod);
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/* Remove all favs for all comments of this user */
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DB_QueryDELETE ("can not remove favs",
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"DELETE FROM tl_comments_fav"
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" USING tl_pubs,tl_comments_fav"
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" WHERE tl_pubs.PublisherCod=%ld" // Author of the comment
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" AND tl_pubs.PubType=%u"
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" AND tl_pubs.PubCod=tl_comments_fav.PubCod",
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UsrCod,(unsigned) TL_Pub_COMMENT_TO_NOTE);
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/* Remove all favs for all comments in all the notes of the user */
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DB_QueryDELETE ("can not remove comments",
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"DELETE FROM tl_comments_fav"
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" USING tl_notes,tl_pubs,tl_comments_fav"
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" WHERE tl_notes.UsrCod=%ld" // Author of the note
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" AND tl_notes.NotCod=tl_pubs.NotCod"
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" AND tl_pubs.PubType=%u"
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" AND tl_pubs.PubCod=tl_comments_fav.PubCod",
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UsrCod,(unsigned) TL_Pub_COMMENT_TO_NOTE);
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/***** Remove favs for notes *****/
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/* Remove all favs made by this user in any note */
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DB_QueryDELETE ("can not remove favs",
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"DELETE FROM tl_notes_fav"
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" WHERE UsrCod=%ld",
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UsrCod);
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/* Remove all favs for all notes of this user */
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DB_QueryDELETE ("can not remove favs",
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"DELETE FROM tl_notes_fav"
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" USING tl_notes,tl_notes_fav"
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" WHERE tl_notes.UsrCod=%ld" // Author of the note
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" AND tl_notes.NotCod=tl_notes_fav.NotCod",
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UsrCod);
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/***** Remove comments *****/
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/* Remove content of all the comments in all the notes of the user */
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DB_QueryDELETE ("can not remove comments",
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"DELETE FROM tl_comments"
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" USING tl_notes,tl_pubs,tl_comments"
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" WHERE tl_notes.UsrCod=%ld"
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" AND tl_notes.NotCod=tl_pubs.NotCod"
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" AND tl_pubs.PubType=%u"
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" AND tl_pubs.PubCod=tl_comments.PubCod",
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UsrCod,(unsigned) TL_Pub_COMMENT_TO_NOTE);
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/* Remove all the comments from any user in any note of the user */
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DB_QueryDELETE ("can not remove comments",
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"DELETE FROM tl_pubs"
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" USING tl_notes,tl_pubs"
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" WHERE tl_notes.UsrCod=%ld"
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" AND tl_notes.NotCod=tl_pubs.NotCod"
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" AND tl_pubs.PubType=%u",
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UsrCod,(unsigned) TL_Pub_COMMENT_TO_NOTE);
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/* Remove content of all the comments of the user in any note */
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DB_QueryDELETE ("can not remove comments",
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"DELETE FROM tl_comments"
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" USING tl_pubs,tl_comments"
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" WHERE tl_pubs.PublisherCod=%ld"
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" AND tl_pubs.PubType=%u"
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" AND tl_pubs.PubCod=tl_comments.PubCod",
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UsrCod,(unsigned) TL_Pub_COMMENT_TO_NOTE);
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/***** Remove all the posts of the user *****/
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DB_QueryDELETE ("can not remove posts",
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"DELETE FROM tl_posts"
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" WHERE PstCod IN"
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" (SELECT Cod FROM tl_notes"
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" WHERE UsrCod=%ld AND NoteType=%u)",
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UsrCod,(unsigned) TL_NOTE_POST);
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/***** Remove all the publications of any user authored by the user *****/
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DB_QueryDELETE ("can not remove publications",
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"DELETE FROM tl_pubs"
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" USING tl_notes,tl_pubs"
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" WHERE tl_notes.UsrCod=%ld"
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" AND tl_notes.NotCod=tl_pubs.NotCod",
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UsrCod);
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/***** Remove all the publications of the user *****/
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DB_QueryDELETE ("can not remove publications",
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"DELETE FROM tl_pubs"
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" WHERE PublisherCod=%ld",
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UsrCod);
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/***** Remove all the notes of the user *****/
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DB_QueryDELETE ("can not remove notes",
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"DELETE FROM tl_notes"
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" WHERE UsrCod=%ld",
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UsrCod);
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}
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/*****************************************************************************/
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/************************ Show sharers or favouriters ************************/
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/*****************************************************************************/
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void TL_Usr_ShowNumSharersOrFavers (unsigned NumUsrs)
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{
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/***** Show number of sharers or favers
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(users who have shared or marked this note as favourite) *****/
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HTM_TxtF (" %u",NumUsrs);
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}
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void TL_Usr_ShowSharersOrFavers (MYSQL_RES **mysql_res,
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unsigned NumUsrs,unsigned NumFirstUsrs)
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{
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MYSQL_ROW row;
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unsigned NumUsr;
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unsigned NumUsrsShown = 0;
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struct UsrData UsrDat;
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bool ShowPhoto;
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char PhotoURL[PATH_MAX + 1];
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if (NumUsrs)
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{
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/***** A list of users has been got from database *****/
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if (NumFirstUsrs)
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{
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/***** Initialize structure with user's data *****/
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Usr_UsrDataConstructor (&UsrDat);
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/***** List users *****/
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for (NumUsr = 0;
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NumUsr < NumFirstUsrs;
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NumUsr++)
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{
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/***** Get user *****/
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row = mysql_fetch_row (*mysql_res);
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/* Get user's code (row[0]) */
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UsrDat.UsrCod = Str_ConvertStrCodToLongCod (row[0]);
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/***** Get user's data and show user's photo *****/
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if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&UsrDat,Usr_DONT_GET_PREFS))
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{
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HTM_DIV_Begin ("class=\"TL_SHARER\"");
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ShowPhoto = Pho_ShowingUsrPhotoIsAllowed (&UsrDat,PhotoURL);
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Pho_ShowUsrPhoto (&UsrDat,ShowPhoto ? PhotoURL :
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NULL,
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"PHOTO12x16",Pho_ZOOM,true); // Use unique id
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HTM_DIV_End ();
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NumUsrsShown++;
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}
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}
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/***** Free memory used for user's data *****/
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Usr_UsrDataDestructor (&UsrDat);
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}
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}
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}
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