mirror of
https://github.com/acanas/swad-core.git
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1507 lines
52 KiB
C
1507 lines
52 KiB
C
// swad_follow.c: user's followers and followed
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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) 1999-2019 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 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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#include <stdbool.h> // For boolean type
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#include <string.h> // For string functions
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#include "swad_box.h"
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#include "swad_database.h"
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#include "swad_follow.h"
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#include "swad_form.h"
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#include "swad_global.h"
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#include "swad_notification.h"
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#include "swad_privacy.h"
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#include "swad_profile.h"
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#include "swad_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 *****************************/
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/*****************************************************************************/
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#define Fol_NUM_COLUMNS_FOLLOW 3
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#define Fol_FOLLOW_SECTION_ID "follow_section"
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/*****************************************************************************/
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/****************************** Internal types *******************************/
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/*****************************************************************************/
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typedef enum
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{
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Fol_SUGGEST_ONLY_USERS_WITH_PHOTO,
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Fol_SUGGEST_ANY_USER,
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} Fol_WhichUsersSuggestToFollowThem_t;
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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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/************************* Internal global variables *************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Private prototypes ****************************/
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/*****************************************************************************/
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static unsigned long Fol_GetUsrsToFollow (unsigned long MaxUsrsToShow,
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Fol_WhichUsersSuggestToFollowThem_t WhichUsersSuggestToFollowThem,
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MYSQL_RES **mysql_res);
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static void Fol_PutIconsWhoToFollow (void);
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static void Fol_PutIconToUpdateWhoToFollow (void);
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static void Fol_ShowNumberOfFollowingOrFollowers (const struct UsrData *UsrDat,
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unsigned NumUsrs,
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Act_Action_t Action,
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const char *Title);
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static void Fol_ListFollowingUsr (struct UsrData *UsrDat);
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static void Fol_ListFollowersUsr (struct UsrData *UsrDat);
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static void Fol_ShowFollowedOrFollower (struct UsrData *UsrDat);
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static void Fol_WriteRowUsrToFollowOnRightColumn (struct UsrData *UsrDat);
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static void Fol_PutInactiveIconToFollowUnfollow (void);
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static void Fol_PutIconToFollow (struct UsrData *UsrDat);
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static void Fol_PutIconToUnfollow (struct UsrData *UsrDat);
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static void Fol_RequestFollowUsrs (Act_Action_t NextAction);
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static void Fol_RequestUnfollowUsrs (Act_Action_t NextAction);
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static void Fol_GetFollowedFromSelectedUsrs (unsigned *NumFollowed,
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unsigned *NumNotFollowed);
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static void Fol_FollowUsr (struct UsrData *UsrDat);
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static void Fol_UnfollowUsr (struct UsrData *UsrDat);
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/*****************************************************************************/
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/********************** Put link to show users to follow **********************/
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/*****************************************************************************/
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void Fol_PutLinkWhoToFollow (void)
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{
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extern const char *Txt_Who_to_follow;
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Lay_PutContextualLinkIconText (ActSeeSocPrf,NULL,NULL,
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"user-plus.svg",
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Txt_Who_to_follow);
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}
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/*****************************************************************************/
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/****************** Show several users to follow on main zone ****************/
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/*****************************************************************************/
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#define Fol_MAX_USRS_TO_FOLLOW_MAIN_ZONE (Fol_NUM_COLUMNS_FOLLOW * 3)
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void Fol_SuggestUsrsToFollowMainZone (void)
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{
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extern const char *Hlp_START_Profiles_who_to_follow;
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extern const char *Txt_Who_to_follow;
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extern const char *Txt_No_user_to_whom_you_can_follow_Try_again_later;
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MYSQL_RES *mysql_res;
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MYSQL_ROW row;
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unsigned long NumUsrs;
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unsigned long NumUsr;
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struct UsrData UsrDat;
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/***** Put links to request my public profile and another user's profile *****/
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fprintf (Gbl.F.Out,"<div class=\"CONTEXT_MENU\">");
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Prf_PutLinkMyPublicProfile ();
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Prf_PutLinkRequestAnotherUserProfile ();
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fprintf (Gbl.F.Out,"</div>");
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/***** Get users *****/
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if ((NumUsrs = Fol_GetUsrsToFollow (Fol_MAX_USRS_TO_FOLLOW_MAIN_ZONE,
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Fol_SUGGEST_ANY_USER,
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&mysql_res)))
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{
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/***** Start box and table *****/
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Box_StartBoxTable ("560px",Txt_Who_to_follow,Fol_PutIconsWhoToFollow,
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Hlp_START_Profiles_who_to_follow,Box_NOT_CLOSABLE,2);
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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 < NumUsrs;
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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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/***** Show user *****/
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if ((NumUsr % Fol_NUM_COLUMNS_FOLLOW) == 0)
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fprintf (Gbl.F.Out,"<tr>");
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if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&UsrDat,Usr_DONT_GET_PREFS))
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Fol_ShowFollowedOrFollower (&UsrDat);
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if ((NumUsr % Fol_NUM_COLUMNS_FOLLOW) == (Fol_NUM_COLUMNS_FOLLOW-1) ||
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NumUsr == NumUsrs - 1)
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fprintf (Gbl.F.Out,"</tr>");
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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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/***** End table and box *****/
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Box_EndBoxTable ();
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}
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else
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Ale_ShowAlert (Ale_INFO,Txt_No_user_to_whom_you_can_follow_Try_again_later);
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/***** Free structure that stores the query result *****/
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DB_FreeMySQLResult (&mysql_res);
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}
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/*****************************************************************************/
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/**************** Show several users to follow on right column ***************/
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/*****************************************************************************/
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#define Fol_MAX_USRS_TO_FOLLOW_RIGHT_COLUMN 3
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void Fol_SuggestUsrsToFollowMainZoneOnRightColumn (void)
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{
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extern const char *Txt_Who_to_follow;
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extern const char *Txt_No_user_to_whom_you_can_follow_Try_again_later;
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MYSQL_RES *mysql_res;
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MYSQL_ROW row;
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unsigned long NumUsrs;
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unsigned long NumUsr;
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struct UsrData UsrDat;
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/***** Get users *****/
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if ((NumUsrs = Fol_GetUsrsToFollow (Fol_MAX_USRS_TO_FOLLOW_RIGHT_COLUMN,
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Fol_SUGGEST_ONLY_USERS_WITH_PHOTO,
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&mysql_res)))
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{
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/***** Start container *****/
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fprintf (Gbl.F.Out,"<div class=\"CONNECTED\">");
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/***** Title with link to suggest more users to follow *****/
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Frm_StartForm (ActSeeSocPrf);
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Frm_LinkFormSubmit (Txt_Who_to_follow,"CONNECTED_TXT",NULL);
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fprintf (Gbl.F.Out,"%s</a>",Txt_Who_to_follow);
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Frm_EndForm ();
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/***** Start table *****/
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fprintf (Gbl.F.Out,"<table>");
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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 < NumUsrs;
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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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/***** Show user *****/
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if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&UsrDat,Usr_DONT_GET_PREFS))
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Fol_WriteRowUsrToFollowOnRightColumn (&UsrDat);
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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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/***** End table *****/
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fprintf (Gbl.F.Out,"</table>");
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/***** End container *****/
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fprintf (Gbl.F.Out,"</div>");
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}
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/***** Free structure that stores the query result *****/
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DB_FreeMySQLResult (&mysql_res);
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}
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/*****************************************************************************/
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/*************************** Get users to follow *****************************/
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/*****************************************************************************/
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static unsigned long Fol_GetUsrsToFollow (unsigned long MaxUsrsToShow,
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Fol_WhichUsersSuggestToFollowThem_t WhichUsersSuggestToFollowThem,
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MYSQL_RES **mysql_res)
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{
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extern const char *Pri_VisibilityDB[Pri_NUM_OPTIONS_PRIVACY];
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char SubQuery1[256];
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char SubQuery2[256];
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char SubQuery3[256];
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char SubQuery4[256];
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/***** Build subqueries related to photos *****/
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switch (WhichUsersSuggestToFollowThem)
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{
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case Fol_SUGGEST_ONLY_USERS_WITH_PHOTO:
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// Photo visibility should be >= profile visibility in every subquery
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sprintf (SubQuery1, // 1. Users followed by my followed
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" AND usr_data.PhotoVisibility IN ('%s','%s')"
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" AND usr_data.Photo<>''",
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Pri_VisibilityDB[Pri_VISIBILITY_SYSTEM],
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Pri_VisibilityDB[Pri_VISIBILITY_WORLD ]);
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sprintf (SubQuery2, // 2. Users who share any course with me
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" AND usr_data.PhotoVisibility IN ('%s','%s','%s')"
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" AND usr_data.Photo<>''",
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Pri_VisibilityDB[Pri_VISIBILITY_COURSE],
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Pri_VisibilityDB[Pri_VISIBILITY_SYSTEM],
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Pri_VisibilityDB[Pri_VISIBILITY_WORLD ]);
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sprintf (SubQuery3, // 3. Users who share any course with me with another role
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" AND usr_data.PhotoVisibility IN ('%s','%s','%s','%s')"
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" AND usr_data.Photo<>''",
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Pri_VisibilityDB[Pri_VISIBILITY_USER ],
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Pri_VisibilityDB[Pri_VISIBILITY_COURSE],
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Pri_VisibilityDB[Pri_VISIBILITY_SYSTEM],
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Pri_VisibilityDB[Pri_VISIBILITY_WORLD ]);
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sprintf (SubQuery4, // 4. Add some likely unknown random users
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" AND usr_data.PhotoVisibility IN ('%s','%s')"
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" AND usr_data.Photo<>''",
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Pri_VisibilityDB[Pri_VISIBILITY_SYSTEM],
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Pri_VisibilityDB[Pri_VISIBILITY_WORLD ]);
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break;
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case Fol_SUGGEST_ANY_USER:
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SubQuery1[0] = '\0';
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SubQuery2[0] = '\0';
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SubQuery3[0] = '\0';
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SubQuery4[0] = '\0';
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break;
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}
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/***** Build query to get users to follow *****/
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// Get only users with surname 1 and first name
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return DB_QuerySELECT (mysql_res,"can not get users to follow",
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"SELECT DISTINCT UsrCod FROM"
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" ("
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/***** Likely known users *****/
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"(SELECT DISTINCT UsrCod FROM"
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" ("
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// 1. Users followed by my followed
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"("
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"SELECT DISTINCT usr_follow.FollowedCod AS UsrCod"
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" FROM usr_follow,"
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"(SELECT FollowedCod FROM usr_follow"
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" WHERE FollowerCod=%ld) AS my_followed,"
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" usr_data"
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" WHERE usr_follow.FollowerCod=my_followed.FollowedCod"
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" AND usr_follow.FollowedCod<>%ld"
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" AND usr_follow.FollowedCod=usr_data.UsrCod"
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" AND usr_data.Surname1<>''" // Surname 1 not empty
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" AND usr_data.FirstName<>''" // First name not empty
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"%s" // SubQuery1
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")"
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" UNION "
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// 2. Users who share any course with me
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"("
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"SELECT DISTINCT crs_usr.UsrCod"
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" FROM crs_usr,"
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"(SELECT CrsCod FROM crs_usr"
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" WHERE UsrCod=%ld) AS my_crs,"
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" usr_data"
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" WHERE crs_usr.CrsCod=my_crs.CrsCod"
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" AND crs_usr.UsrCod<>%ld"
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" AND crs_usr.UsrCod=usr_data.UsrCod"
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" AND usr_data.Surname1<>''" // Surname 1 not empty
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" AND usr_data.FirstName<>''" // First name not empty
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"%s" // SubQuery2
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")"
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" UNION "
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// 3. Users who share any course with me with another role
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"("
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"SELECT DISTINCT crs_usr.UsrCod"
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" FROM crs_usr,"
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"(SELECT CrsCod,Role FROM crs_usr"
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" WHERE UsrCod=%ld) AS my_crs_role,"
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" usr_data"
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" WHERE crs_usr.CrsCod=my_crs_role.CrsCod"
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" AND crs_usr.Role<>my_crs_role.Role"
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" AND crs_usr.UsrCod=usr_data.UsrCod"
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" AND usr_data.Surname1<>''" // Surname 1 not empty
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" AND usr_data.FirstName<>''" // First name not empty
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"%s" // SubQuery3
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")"
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") AS LikelyKnownUsrsToFollow"
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// Do not select my followed
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" WHERE UsrCod NOT IN"
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" (SELECT FollowedCod FROM usr_follow"
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" WHERE FollowerCod=%ld)"
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// Get only MaxUsrsToShow * 3 users
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" ORDER BY RAND() LIMIT %lu"
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")"
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" UNION "
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"("
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/***** Likely unknown userd *****/
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// 4. Add some likely unknown random user
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// Be careful with the method to get some random users
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// from the big table of users.
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// It's much faster getting a random code and then get the first users
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// with codes >= that random code
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// that getting all users and then ordering by rand.
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"SELECT usr_data.UsrCod"
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" FROM usr_data,"
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"(SELECT ROUND(RAND()*(SELECT MAX(UsrCod) FROM usr_data)) AS RandomUsrCod)" // a random user code
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" AS random_usr"
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" WHERE usr_data.UsrCod<>%ld"
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" AND usr_data.Surname1<>''" // Surname 1 not empty
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" AND usr_data.FirstName<>''" // First name not empty
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"%s" // SubQuery4
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// Do not select my followed
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" AND usr_data.UsrCod NOT IN"
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" (SELECT FollowedCod FROM usr_follow"
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" WHERE FollowerCod=%ld)"
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" AND usr_data.UsrCod>=random_usr.RandomUsrCod" // random user code could not exists in table of users
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// Get only MaxUsrsToShow users
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" LIMIT %lu"
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")"
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") AS UsrsToFollow"
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// Get only MaxUsrsToShow users
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" ORDER BY RAND() LIMIT %lu",
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Gbl.Usrs.Me.UsrDat.UsrCod,
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Gbl.Usrs.Me.UsrDat.UsrCod,
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SubQuery1,
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Gbl.Usrs.Me.UsrDat.UsrCod,
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Gbl.Usrs.Me.UsrDat.UsrCod,
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SubQuery2,
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Gbl.Usrs.Me.UsrDat.UsrCod,
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SubQuery3,
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Gbl.Usrs.Me.UsrDat.UsrCod,
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MaxUsrsToShow * 2, // 2/3 likely known users
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Gbl.Usrs.Me.UsrDat.UsrCod,
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SubQuery4,
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Gbl.Usrs.Me.UsrDat.UsrCod,
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MaxUsrsToShow, // 1/3 likely unknown users
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MaxUsrsToShow);
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}
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/*****************************************************************************/
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/****************** Put contextual icons in "who to follow" ******************/
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/*****************************************************************************/
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static void Fol_PutIconsWhoToFollow (void)
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{
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/***** Put icon to update who to follow *****/
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Fol_PutIconToUpdateWhoToFollow ();
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/***** Put icon to show a figure *****/
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Gbl.Figures.FigureType = Fig_FOLLOW;
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Fig_PutIconToShowFigure ();
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}
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/*****************************************************************************/
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/********************* Put icon to update who to follow **********************/
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/*****************************************************************************/
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static void Fol_PutIconToUpdateWhoToFollow (void)
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{
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extern const char *Txt_Update;
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Frm_StartForm (ActSeeSocPrf);
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Frm_LinkFormSubmitAnimated (Txt_Update,NULL,NULL);
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Ico_PutCalculateIcon (Txt_Update);
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Frm_EndForm ();
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}
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/*****************************************************************************/
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/*************** Check if a user is a follower of another user ***************/
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/*****************************************************************************/
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bool Fol_CheckUsrIsFollowerOf (long FollowerCod,long FollowedCod)
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{
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if (FollowerCod == FollowedCod)
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return false;
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/***** Check if a user is a follower of another user *****/
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return (DB_QueryCOUNT ("can not get if a user is a follower of another one",
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"SELECT COUNT(*) FROM usr_follow"
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" WHERE FollowerCod=%ld AND FollowedCod=%ld",
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FollowerCod,FollowedCod) != 0);
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}
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/*****************************************************************************/
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/*************************** Get number of followed **************************/
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/*****************************************************************************/
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void Fol_FlushCacheFollow (void)
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{
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Gbl.Cache.Follow.UsrCod = -1L;
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Gbl.Cache.Follow.NumFollowing =
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Gbl.Cache.Follow.NumFollowers = 0;
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}
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void Fol_GetNumFollow (long UsrCod,
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unsigned *NumFollowing,unsigned *NumFollowers)
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{
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/***** 1. Fast check: trivial cases *****/
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if (UsrCod <= 0)
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{
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*NumFollowing = *NumFollowers = 0;
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return;
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}
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/***** 2. Fast check: Is number of following already calculated? *****/
|
|
if (UsrCod == Gbl.Cache.Follow.UsrCod)
|
|
{
|
|
*NumFollowing = Gbl.Cache.Follow.NumFollowing;
|
|
*NumFollowers = Gbl.Cache.Follow.NumFollowers;
|
|
return;
|
|
}
|
|
|
|
/***** 3. Slow check: Get number of following/followers from database *****/
|
|
Gbl.Cache.Follow.UsrCod = UsrCod;
|
|
*NumFollowing = Gbl.Cache.Follow.NumFollowing =
|
|
(unsigned) DB_QueryCOUNT ("can not get number of followed",
|
|
"SELECT COUNT(*) FROM usr_follow"
|
|
" WHERE FollowerCod=%ld",
|
|
UsrCod);
|
|
*NumFollowers = Gbl.Cache.Follow.NumFollowers =
|
|
(unsigned) DB_QueryCOUNT ("can not get number of followers",
|
|
"SELECT COUNT(*) FROM usr_follow"
|
|
" WHERE FollowedCod=%ld",
|
|
UsrCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Show following and followers of a user *********************/
|
|
/*****************************************************************************/
|
|
|
|
void Fol_ShowFollowingAndFollowers (const struct UsrData *UsrDat,
|
|
unsigned NumFollowing,unsigned NumFollowers,
|
|
bool UsrFollowsMe,bool IFollowUsr)
|
|
{
|
|
extern const char *Txt_FOLLOWS_YOU;
|
|
extern const char *Txt_Following;
|
|
extern const char *Txt_Followers;
|
|
extern const char *Txt_Following_unfollow;
|
|
extern const char *Txt_Unfollow;
|
|
extern const char *Txt_Follow;
|
|
bool ItsMe = Usr_ItsMe (UsrDat->UsrCod);
|
|
|
|
/***** Start section *****/
|
|
Lay_StartSection (Fol_FOLLOW_SECTION_ID);
|
|
|
|
/***** Followed users *****/
|
|
fprintf (Gbl.F.Out,"<div id=\"following_side\">"
|
|
"<div class=\"FOLLOW_SIDE\">");
|
|
|
|
/* User follows me? */
|
|
fprintf (Gbl.F.Out,"<div id=\"follows_me\" class=\"DAT_LIGHT\">");
|
|
if (UsrFollowsMe)
|
|
fprintf (Gbl.F.Out,"%s",Txt_FOLLOWS_YOU);
|
|
fprintf (Gbl.F.Out,"</div>");
|
|
|
|
/* Number of followed */
|
|
Fol_ShowNumberOfFollowingOrFollowers (UsrDat,
|
|
NumFollowing,
|
|
ActSeeFlg,Txt_Following);
|
|
|
|
/* End following side */
|
|
fprintf (Gbl.F.Out,"</div>"
|
|
"</div>");
|
|
|
|
/***** Followers *****/
|
|
fprintf (Gbl.F.Out,"<div id=\"followers_side\">"
|
|
"<div class=\"FOLLOW_SIDE\">");
|
|
|
|
/* Number of followers */
|
|
Fol_ShowNumberOfFollowingOrFollowers (UsrDat,
|
|
NumFollowers,
|
|
ActSeeFlr,Txt_Followers);
|
|
|
|
/* I follow user? */
|
|
fprintf (Gbl.F.Out,"<div id=\"follow_usr\">");
|
|
if (Gbl.Usrs.Me.Logged && // Logged
|
|
!ItsMe) // Not me!
|
|
{
|
|
if (IFollowUsr) // I follow this user
|
|
{
|
|
Frm_StartForm (ActUnfUsr);
|
|
Usr_PutParamUsrCodEncrypted (UsrDat->EncryptedUsrCod);
|
|
Frm_LinkFormSubmit (Txt_Following_unfollow,"REC_DAT_BOLD",NULL);
|
|
fprintf (Gbl.F.Out,"<div class=\"ICO_HIGHLIGHT\""
|
|
" style=\"display:inline;\" >"
|
|
"<img src=\"%s/user-check.svg\""
|
|
" alt=\"%s\" title=\"%s\""
|
|
" class=\"ICO40x40\" />"
|
|
"</div>"
|
|
"</a>",
|
|
Cfg_URL_ICON_PUBLIC,
|
|
Txt_Unfollow,Txt_Following_unfollow);
|
|
Frm_EndForm ();
|
|
}
|
|
else // I do not follow this user
|
|
{
|
|
Frm_StartForm (ActFolUsr);
|
|
Usr_PutParamUsrCodEncrypted (UsrDat->EncryptedUsrCod);
|
|
Frm_LinkFormSubmit (Txt_Follow,"REC_DAT_BOLD",NULL);
|
|
fprintf (Gbl.F.Out,"<div class=\"ICO_HIGHLIGHT\""
|
|
" style=\"display:inline;\" >"
|
|
"<img src=\"%s/user-plus.svg\""
|
|
" alt=\"%s\" title=\"%s\""
|
|
" class=\"ICO40x40\" />"
|
|
"</div>"
|
|
"</a>",
|
|
Cfg_URL_ICON_PUBLIC,
|
|
Txt_Follow,Txt_Follow);
|
|
Frm_EndForm ();
|
|
}
|
|
}
|
|
fprintf (Gbl.F.Out,"</div>");
|
|
|
|
/* End followers side */
|
|
fprintf (Gbl.F.Out,"</div>"
|
|
"</div>");
|
|
|
|
/***** End section *****/
|
|
Lay_EndSection ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**************** Show following and followers of a user *********************/
|
|
/*****************************************************************************/
|
|
|
|
static void Fol_ShowNumberOfFollowingOrFollowers (const struct UsrData *UsrDat,
|
|
unsigned NumUsrs,
|
|
Act_Action_t Action,
|
|
const char *Title)
|
|
{
|
|
extern const char *The_ClassFormOutBox[The_NUM_THEMES];
|
|
extern const char *The_ClassFormOutBoxBold[The_NUM_THEMES];
|
|
|
|
/***** Start container *****/
|
|
fprintf (Gbl.F.Out,"<div class=\"FOLLOW_BOX\">");
|
|
|
|
/***** Number *****/
|
|
if (NumUsrs)
|
|
{
|
|
/* Form to list users */
|
|
Frm_StartFormAnchor (Action,Fol_FOLLOW_SECTION_ID);
|
|
Usr_PutParamUsrCodEncrypted (UsrDat->EncryptedUsrCod);
|
|
Frm_LinkFormSubmit (Title,
|
|
(Gbl.Action.Act == Action) ? "FOLLOW_NUM_B" :
|
|
"FOLLOW_NUM",NULL);
|
|
}
|
|
else
|
|
fprintf (Gbl.F.Out,"<span class=\"%s\">",
|
|
(Gbl.Action.Act == Action) ? "FOLLOW_NUM_B" :
|
|
"FOLLOW_NUM");
|
|
fprintf (Gbl.F.Out,"%u",NumUsrs);
|
|
if (NumUsrs)
|
|
{
|
|
fprintf (Gbl.F.Out,"</a>");
|
|
Frm_EndForm ();
|
|
}
|
|
else
|
|
fprintf (Gbl.F.Out,"</span>");
|
|
|
|
/***** Text *****/
|
|
fprintf (Gbl.F.Out,"<div class=\"%s\">",
|
|
(Gbl.Action.Act == Action) ? The_ClassFormOutBoxBold[Gbl.Prefs.Theme] :
|
|
The_ClassFormOutBox [Gbl.Prefs.Theme]);
|
|
if (NumUsrs)
|
|
{
|
|
/* Form to list users */
|
|
Frm_StartFormAnchor (Action,Fol_FOLLOW_SECTION_ID);
|
|
Usr_PutParamUsrCodEncrypted (UsrDat->EncryptedUsrCod);
|
|
Frm_LinkFormSubmit (Title,
|
|
(Gbl.Action.Act == Action) ? The_ClassFormOutBoxBold[Gbl.Prefs.Theme] :
|
|
The_ClassFormOutBox [Gbl.Prefs.Theme],
|
|
NULL);
|
|
}
|
|
fprintf (Gbl.F.Out,"%s",Title);
|
|
if (NumUsrs)
|
|
{
|
|
fprintf (Gbl.F.Out,"</a>");
|
|
Frm_EndForm ();
|
|
}
|
|
fprintf (Gbl.F.Out,"</div>");
|
|
|
|
/***** End container *****/
|
|
fprintf (Gbl.F.Out,"</div>");
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************************** List followed users ***************************/
|
|
/*****************************************************************************/
|
|
|
|
void Fol_ListFollowing (void)
|
|
{
|
|
/***** Get user to view user he/she follows *****/
|
|
Usr_GetParamOtherUsrCodEncryptedAndGetListIDs ();
|
|
|
|
if (Gbl.Usrs.Other.UsrDat.UsrCod > 0)
|
|
{
|
|
if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&Gbl.Usrs.Other.UsrDat,Usr_DONT_GET_PREFS))
|
|
Fol_ListFollowingUsr (&Gbl.Usrs.Other.UsrDat);
|
|
else
|
|
Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
|
|
}
|
|
else // If user not specified, view my profile
|
|
Fol_ListFollowingUsr (&Gbl.Usrs.Me.UsrDat);
|
|
}
|
|
|
|
static void Fol_ListFollowingUsr (struct UsrData *UsrDat)
|
|
{
|
|
extern const char *Txt_Following;
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned long NumUsrs;
|
|
unsigned long NumUsr;
|
|
struct UsrData FollowingUsrDat;
|
|
|
|
/***** Show user's profile *****/
|
|
if (Prf_ShowUserProfile (UsrDat))
|
|
{
|
|
/***** Check if a user is a follower of another user *****/
|
|
NumUsrs = DB_QuerySELECT (&mysql_res,"can not get followed users",
|
|
"SELECT FollowedCod FROM usr_follow"
|
|
" WHERE FollowerCod=%ld"
|
|
" ORDER BY FollowTime DESC",
|
|
UsrDat->UsrCod);
|
|
|
|
if (NumUsrs)
|
|
{
|
|
/***** Initialize structure with user's data *****/
|
|
Usr_UsrDataConstructor (&FollowingUsrDat);
|
|
|
|
/***** Start box and table *****/
|
|
Box_StartBoxTable ("560px",Txt_Following,NULL,
|
|
NULL,Box_NOT_CLOSABLE,2);
|
|
|
|
for (NumUsr = 0;
|
|
NumUsr < NumUsrs;
|
|
NumUsr++)
|
|
{
|
|
/***** Get user *****/
|
|
row = mysql_fetch_row (mysql_res);
|
|
|
|
/* Get user's code (row[0]) */
|
|
FollowingUsrDat.UsrCod = Str_ConvertStrCodToLongCod (row[0]);
|
|
|
|
/***** Show user *****/
|
|
if ((NumUsr % Fol_NUM_COLUMNS_FOLLOW) == 0)
|
|
fprintf (Gbl.F.Out,"<tr>");
|
|
if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&FollowingUsrDat,Usr_DONT_GET_PREFS))
|
|
Fol_ShowFollowedOrFollower (&FollowingUsrDat);
|
|
if ((NumUsr % Fol_NUM_COLUMNS_FOLLOW) == (Fol_NUM_COLUMNS_FOLLOW-1) ||
|
|
NumUsr == NumUsrs - 1)
|
|
fprintf (Gbl.F.Out,"</tr>");
|
|
}
|
|
|
|
/***** End table and box *****/
|
|
Box_EndBoxTable ();
|
|
|
|
/***** Free memory used for user's data *****/
|
|
Usr_UsrDataDestructor (&FollowingUsrDat);
|
|
}
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
}
|
|
else
|
|
Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************************* List followers ******************************/
|
|
/*****************************************************************************/
|
|
|
|
void Fol_ListFollowers (void)
|
|
{
|
|
/***** Get user to view user he/she follows *****/
|
|
Usr_GetParamOtherUsrCodEncryptedAndGetListIDs ();
|
|
|
|
if (Gbl.Usrs.Other.UsrDat.UsrCod > 0)
|
|
{
|
|
if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&Gbl.Usrs.Other.UsrDat,Usr_DONT_GET_PREFS))
|
|
Fol_ListFollowersUsr (&Gbl.Usrs.Other.UsrDat);
|
|
else
|
|
Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
|
|
}
|
|
else // If user not specified, view my profile
|
|
Fol_ListFollowersUsr (&Gbl.Usrs.Me.UsrDat);
|
|
}
|
|
|
|
static void Fol_ListFollowersUsr (struct UsrData *UsrDat)
|
|
{
|
|
extern const char *Txt_Followers;
|
|
MYSQL_RES *mysql_res;
|
|
MYSQL_ROW row;
|
|
unsigned long NumUsrs;
|
|
unsigned long NumUsr;
|
|
struct UsrData FollowerUsrDat;
|
|
bool ItsMe;
|
|
|
|
/***** Show user's profile *****/
|
|
if (Prf_ShowUserProfile (UsrDat))
|
|
{
|
|
/***** Check if a user is a follower of another user *****/
|
|
NumUsrs = DB_QuerySELECT (&mysql_res,"can not get followers",
|
|
"SELECT FollowerCod FROM usr_follow"
|
|
" WHERE FollowedCod=%ld"
|
|
" ORDER BY FollowTime DESC",
|
|
UsrDat->UsrCod);
|
|
|
|
if (NumUsrs)
|
|
{
|
|
/***** Initialize structure with user's data *****/
|
|
Usr_UsrDataConstructor (&FollowerUsrDat);
|
|
|
|
/***** Start box and table *****/
|
|
Box_StartBoxTable ("560px",Txt_Followers,NULL,
|
|
NULL,Box_NOT_CLOSABLE,2);
|
|
|
|
for (NumUsr = 0;
|
|
NumUsr < NumUsrs;
|
|
NumUsr++)
|
|
{
|
|
/***** Get user and number of clicks *****/
|
|
row = mysql_fetch_row (mysql_res);
|
|
|
|
/* Get user's code (row[0]) */
|
|
FollowerUsrDat.UsrCod = Str_ConvertStrCodToLongCod (row[0]);
|
|
|
|
/***** Show user *****/
|
|
if ((NumUsr % Fol_NUM_COLUMNS_FOLLOW) == 0)
|
|
fprintf (Gbl.F.Out,"<tr>");
|
|
if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&FollowerUsrDat,Usr_DONT_GET_PREFS))
|
|
Fol_ShowFollowedOrFollower (&FollowerUsrDat);
|
|
if ((NumUsr % Fol_NUM_COLUMNS_FOLLOW) == (Fol_NUM_COLUMNS_FOLLOW-1) ||
|
|
NumUsr == NumUsrs - 1)
|
|
fprintf (Gbl.F.Out,"</tr>");
|
|
}
|
|
|
|
/***** End table and box *****/
|
|
Box_EndBoxTable ();
|
|
|
|
/***** Free memory used for user's data *****/
|
|
Usr_UsrDataDestructor (&FollowerUsrDat);
|
|
}
|
|
|
|
/***** Free structure that stores the query result *****/
|
|
DB_FreeMySQLResult (&mysql_res);
|
|
|
|
/***** If it's me, mark possible notification as seen *****/
|
|
ItsMe = Usr_ItsMe (UsrDat->UsrCod);
|
|
if (ItsMe)
|
|
Ntf_MarkNotifAsSeen (Ntf_EVENT_FOLLOWER,
|
|
-1L,-1L,
|
|
Gbl.Usrs.Me.UsrDat.UsrCod);
|
|
}
|
|
else
|
|
Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************* Show followed or follower *************************/
|
|
/*****************************************************************************/
|
|
|
|
static void Fol_ShowFollowedOrFollower (struct UsrData *UsrDat)
|
|
{
|
|
extern const char *Txt_Another_user_s_profile;
|
|
bool ShowPhoto;
|
|
char PhotoURL[PATH_MAX + 1];
|
|
bool Visible = Pri_ShowingIsAllowed (UsrDat->BaPrfVisibility,UsrDat);
|
|
bool ItsMe = Usr_ItsMe (UsrDat->UsrCod);
|
|
|
|
/***** Show user's photo *****/
|
|
fprintf (Gbl.F.Out,"<td class=\"FOLLOW_PHOTO\">");
|
|
if (Visible)
|
|
{
|
|
ShowPhoto = Pho_ShowingUsrPhotoIsAllowed (UsrDat,PhotoURL);
|
|
Pho_ShowUsrPhoto (UsrDat,ShowPhoto ? PhotoURL :
|
|
NULL,
|
|
"PHOTO60x80",Pho_ZOOM,false);
|
|
}
|
|
fprintf (Gbl.F.Out,"</td>");
|
|
|
|
/***** Show user's name and icon to follow/unfollow *****/
|
|
fprintf (Gbl.F.Out,"<td class=\"FOLLOW_USR\">");
|
|
if (Visible)
|
|
{
|
|
/* Put form to go to public profile */
|
|
Frm_StartForm (ActSeeOthPubPrf);
|
|
Usr_PutParamUsrCodEncrypted (UsrDat->EncryptedUsrCod);
|
|
fprintf (Gbl.F.Out,"<div class=\"FOLLOW_USR_NAME\">"); // Limited width
|
|
Frm_LinkFormSubmit (Txt_Another_user_s_profile,"DAT",NULL);
|
|
Usr_WriteFirstNameBRSurnames (UsrDat);
|
|
fprintf (Gbl.F.Out,"</a>"
|
|
"</div>");
|
|
Frm_EndForm ();
|
|
}
|
|
|
|
ItsMe = Usr_ItsMe (UsrDat->UsrCod);
|
|
if (!Gbl.Usrs.Me.Logged || // Not logged
|
|
ItsMe) // It's me
|
|
/* Inactive icon to follow/unfollow */
|
|
Fol_PutInactiveIconToFollowUnfollow ();
|
|
else // It's not me
|
|
{
|
|
/* Put form to follow / unfollow */
|
|
if (Fol_CheckUsrIsFollowerOf (Gbl.Usrs.Me.UsrDat.UsrCod,UsrDat->UsrCod)) // I follow user
|
|
/* Form to unfollow */
|
|
Fol_PutIconToUnfollow (UsrDat);
|
|
else if (Visible) // I do not follow this user and I can follow
|
|
/* Form to follow */
|
|
Fol_PutIconToFollow (UsrDat);
|
|
}
|
|
fprintf (Gbl.F.Out,"</td>");
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************* Write the name of a connected user ********************/
|
|
/*****************************************************************************/
|
|
|
|
static void Fol_WriteRowUsrToFollowOnRightColumn (struct UsrData *UsrDat)
|
|
{
|
|
extern const char *Txt_Another_user_s_profile;
|
|
bool ShowPhoto;
|
|
char PhotoURL[PATH_MAX + 1];
|
|
bool Visible = Pri_ShowingIsAllowed (UsrDat->BaPrfVisibility,UsrDat);
|
|
bool ItsMe = Usr_ItsMe (UsrDat->UsrCod);
|
|
|
|
/***** Show user's photo *****/
|
|
fprintf (Gbl.F.Out,"<tr>"
|
|
"<td class=\"CON_PHOTO COLOR%u\">",
|
|
Gbl.RowEvenOdd);
|
|
if (Visible)
|
|
{
|
|
ShowPhoto = Pho_ShowingUsrPhotoIsAllowed (UsrDat,PhotoURL);
|
|
Pho_ShowUsrPhoto (UsrDat,ShowPhoto ? PhotoURL :
|
|
NULL,
|
|
"PHOTO21x28",Pho_ZOOM,false);
|
|
}
|
|
fprintf (Gbl.F.Out,"</td>");
|
|
|
|
/***** User's name *****/
|
|
fprintf (Gbl.F.Out,"<td class=\"CON_NAME_FOLLOW CON_CRS COLOR%u\">",
|
|
Gbl.RowEvenOdd);
|
|
if (Visible)
|
|
{
|
|
/* Put form to go to public profile */
|
|
Frm_StartForm (ActSeeOthPubPrf);
|
|
Usr_PutParamUsrCodEncrypted (UsrDat->EncryptedUsrCod);
|
|
fprintf (Gbl.F.Out,"<div class=\"CON_NAME_FOLLOW\">"); // Limited width
|
|
Frm_LinkFormSubmit (Txt_Another_user_s_profile,"CON_CRS",NULL);
|
|
Usr_WriteFirstNameBRSurnames (UsrDat);
|
|
fprintf (Gbl.F.Out,"</a>"
|
|
"</div>");
|
|
Frm_EndForm ();
|
|
}
|
|
fprintf (Gbl.F.Out,"</td>");
|
|
|
|
/***** Icon to follow *****/
|
|
fprintf (Gbl.F.Out,"<td class=\"CON_ICON_FOLLOW RIGHT_MIDDLE COLOR%u\">",
|
|
Gbl.RowEvenOdd);
|
|
if (!Gbl.Usrs.Me.Logged || // Not logged
|
|
ItsMe) // It's me
|
|
/* Inactive icon to follow/unfollow */
|
|
Fol_PutInactiveIconToFollowUnfollow ();
|
|
else // It's not me
|
|
{
|
|
/* Put form to follow / unfollow */
|
|
if (Fol_CheckUsrIsFollowerOf (Gbl.Usrs.Me.UsrDat.UsrCod,UsrDat->UsrCod)) // I follow user
|
|
/* Form to unfollow */
|
|
Fol_PutIconToUnfollow (UsrDat);
|
|
else if (Visible) // I do not follow this user and I can follow
|
|
/* Form to follow */
|
|
Fol_PutIconToFollow (UsrDat);
|
|
}
|
|
fprintf (Gbl.F.Out,"</td>"
|
|
"</tr>");
|
|
|
|
Gbl.RowEvenOdd = 1 - Gbl.RowEvenOdd;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********************** Put icon to unfollow another user *********************/
|
|
/*****************************************************************************/
|
|
|
|
static void Fol_PutInactiveIconToFollowUnfollow (void)
|
|
{
|
|
/***** Inactive icon to follow/unfollow *****/
|
|
fprintf (Gbl.F.Out,"<div class=\"FOLLOW_USR_ICO ICO_HIDDEN\">"
|
|
"<img src=\"%s/user.svg\""
|
|
" alt=\"\""
|
|
" class=\"ICO16x16\" />"
|
|
"</div>",
|
|
Cfg_URL_ICON_PUBLIC);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********************** Put icon to unfollow another user *********************/
|
|
/*****************************************************************************/
|
|
|
|
static void Fol_PutIconToFollow (struct UsrData *UsrDat)
|
|
{
|
|
extern const char *Txt_Follow;
|
|
|
|
/***** Form to unfollow *****/
|
|
Frm_StartForm (ActFolUsr);
|
|
Usr_PutParamUsrCodEncrypted (UsrDat->EncryptedUsrCod);
|
|
Frm_LinkFormSubmit (Txt_Follow,NULL,NULL);
|
|
fprintf (Gbl.F.Out,"<div class=\"FOLLOW_USR_ICO ICO_HIGHLIGHT\">"
|
|
"<img src=\"%s/user-plus.svg\""
|
|
" alt=\"%s\" title=\"%s\""
|
|
" class=\"ICO16x16\" />"
|
|
"</div>"
|
|
"</a>",
|
|
Cfg_URL_ICON_PUBLIC,
|
|
Txt_Follow,Txt_Follow);
|
|
Frm_EndForm ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************** Put icon to unfollow another user ********************/
|
|
/*****************************************************************************/
|
|
|
|
static void Fol_PutIconToUnfollow (struct UsrData *UsrDat)
|
|
{
|
|
extern const char *Txt_Unfollow;
|
|
|
|
/* Form to follow */
|
|
Frm_StartForm (ActUnfUsr);
|
|
Usr_PutParamUsrCodEncrypted (UsrDat->EncryptedUsrCod);
|
|
Frm_LinkFormSubmit (Txt_Unfollow,NULL,NULL);
|
|
fprintf (Gbl.F.Out,"<div class=\"FOLLOW_USR_ICO ICO_HIGHLIGHT\">"
|
|
"<img src=\"%s/user-check.svg\""
|
|
" alt=\"%s\" title=\"%s\""
|
|
" class=\"ICO16x16\" />"
|
|
"</div>"
|
|
"</a>",
|
|
Cfg_URL_ICON_PUBLIC,
|
|
Txt_Unfollow,Txt_Unfollow);
|
|
Frm_EndForm ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************************** Follow another user ***************************/
|
|
/*****************************************************************************/
|
|
|
|
void Fol_FollowUsr1 (void)
|
|
{
|
|
/***** Get user to be followed *****/
|
|
if (Usr_GetParamOtherUsrCodEncryptedAndGetUsrData ())
|
|
{
|
|
// Follow only if I do not follow him/her
|
|
if (!Fol_CheckUsrIsFollowerOf (Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
Gbl.Usrs.Other.UsrDat.UsrCod))
|
|
Fol_FollowUsr (&Gbl.Usrs.Other.UsrDat);
|
|
|
|
Ale_CreateAlert (Ale_SUCCESS,NULL,""); // Txt not used
|
|
}
|
|
else
|
|
Ale_CreateAlertUserNotFoundOrYouDoNotHavePermission ();
|
|
}
|
|
|
|
void Fol_FollowUsr2 (void)
|
|
{
|
|
if (Ale_GetTypeOfLastAlert () == Ale_SUCCESS)
|
|
{
|
|
/***** Show user's profile again *****/
|
|
if (!Prf_ShowUserProfile (&Gbl.Usrs.Other.UsrDat))
|
|
/* 1) I had permission to follow the user and I've just follow him/her
|
|
2) User restricted permission, so now I can not view his/her profile
|
|
3) Now I can not view his/her profile ==> show users I follow */
|
|
Fol_ListFollowingUsr (&Gbl.Usrs.Me.UsrDat); // List users I follow
|
|
}
|
|
else
|
|
Ale_ShowAlerts (NULL);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************************** Unfollow another user *************************/
|
|
/*****************************************************************************/
|
|
|
|
void Fol_UnfollowUsr1 (void)
|
|
{
|
|
/***** Get user to be unfollowed *****/
|
|
if (Usr_GetParamOtherUsrCodEncryptedAndGetUsrData ())
|
|
{
|
|
// Unfollow only if I follow him/her
|
|
if (Fol_CheckUsrIsFollowerOf (Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
Gbl.Usrs.Other.UsrDat.UsrCod))
|
|
Fol_UnfollowUsr (&Gbl.Usrs.Other.UsrDat);
|
|
|
|
Ale_CreateAlert (Ale_SUCCESS,NULL,""); // Txt not used
|
|
}
|
|
else
|
|
Ale_CreateAlertUserNotFoundOrYouDoNotHavePermission ();
|
|
}
|
|
|
|
void Fol_UnfollowUsr2 (void)
|
|
{
|
|
/***** Get user to be unfollowed *****/
|
|
if (Ale_GetTypeOfLastAlert () == Ale_SUCCESS)
|
|
{
|
|
/***** Show user's profile again *****/
|
|
if (!Prf_ShowUserProfile (&Gbl.Usrs.Other.UsrDat)) // I can not view user's profile
|
|
/* 1) I followed a user when I had permission
|
|
2) User restricted permission, so now I can not view his/her profile
|
|
3) Now I can not view his/her profile ==> show users I follow */
|
|
Fol_ListFollowingUsr (&Gbl.Usrs.Me.UsrDat); // List users I follow
|
|
}
|
|
else
|
|
Ale_ShowAlerts (NULL);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/***************** Request follow/unfollow several users *********************/
|
|
/*****************************************************************************/
|
|
|
|
void Fol_RequestFollowStds (void)
|
|
{
|
|
Fol_RequestFollowUsrs (ActFolSevStd);
|
|
}
|
|
|
|
void Fol_RequestFollowTchs (void)
|
|
{
|
|
Fol_RequestFollowUsrs (ActFolSevTch);
|
|
}
|
|
|
|
static void Fol_RequestFollowUsrs (Act_Action_t NextAction)
|
|
{
|
|
extern const char *Txt_Follow;
|
|
extern const char *Txt_Do_you_want_to_follow_the_selected_user_whom_you_do_not_follow_yet;
|
|
extern const char *Txt_Do_you_want_to_follow_the_X_selected_users_whom_you_do_not_follow_yet;
|
|
unsigned NumFollowed;
|
|
unsigned NumNotFollowed;
|
|
|
|
// List of selected users is already got
|
|
|
|
/***** Go through list of selected users
|
|
getting the number of followed and not followed ****/
|
|
Fol_GetFollowedFromSelectedUsrs (&NumFollowed,&NumNotFollowed);
|
|
|
|
/***** Show question to confirm ****/
|
|
if (NumNotFollowed)
|
|
{
|
|
if (NumNotFollowed == 1)
|
|
Ale_ShowAlertAndButton (NextAction,NULL,NULL,
|
|
Usr_PutHiddenParSelectedUsrsCods,
|
|
Btn_CREATE_BUTTON,Txt_Follow,
|
|
Ale_QUESTION,Txt_Do_you_want_to_follow_the_selected_user_whom_you_do_not_follow_yet);
|
|
else
|
|
Ale_ShowAlertAndButton (NextAction,NULL,NULL,
|
|
Usr_PutHiddenParSelectedUsrsCods,
|
|
Btn_CREATE_BUTTON,Txt_Follow,
|
|
Ale_QUESTION,Txt_Do_you_want_to_follow_the_X_selected_users_whom_you_do_not_follow_yet,
|
|
NumNotFollowed);
|
|
}
|
|
|
|
/***** Free memory used by list of selected users' codes *****/
|
|
Usr_FreeListsSelectedUsrsCods ();
|
|
}
|
|
|
|
void Fol_RequestUnfollowStds (void)
|
|
{
|
|
Fol_RequestUnfollowUsrs (ActUnfSevStd);
|
|
}
|
|
|
|
void Fol_RequestUnfollowTchs (void)
|
|
{
|
|
Fol_RequestUnfollowUsrs (ActUnfSevTch);
|
|
}
|
|
|
|
static void Fol_RequestUnfollowUsrs (Act_Action_t NextAction)
|
|
{
|
|
extern const char *Txt_Do_you_want_to_stop_following_the_selected_user_whom_you_follow;
|
|
extern const char *Txt_Do_you_want_to_stop_following_the_X_selected_users_whom_you_follow;
|
|
extern const char *Txt_Unfollow;
|
|
unsigned NumFollowed;
|
|
unsigned NumNotFollowed;
|
|
|
|
// List of selected users is already got
|
|
|
|
/***** Go through list of selected users
|
|
getting the number of followed and not followed ****/
|
|
Fol_GetFollowedFromSelectedUsrs (&NumFollowed,&NumNotFollowed);
|
|
|
|
/***** Show question to confirm ****/
|
|
if (NumFollowed)
|
|
{
|
|
if (NumFollowed == 1)
|
|
Ale_ShowAlertAndButton (NextAction,NULL,NULL,
|
|
Usr_PutHiddenParSelectedUsrsCods,
|
|
Btn_CREATE_BUTTON,Txt_Unfollow,
|
|
Ale_QUESTION,Txt_Do_you_want_to_stop_following_the_selected_user_whom_you_follow);
|
|
else
|
|
Ale_ShowAlertAndButton (NextAction,NULL,NULL,
|
|
Usr_PutHiddenParSelectedUsrsCods,
|
|
Btn_CREATE_BUTTON,Txt_Unfollow,
|
|
Ale_QUESTION,Txt_Do_you_want_to_stop_following_the_X_selected_users_whom_you_follow,
|
|
NumFollowed);
|
|
}
|
|
|
|
/***** Free memory used by list of selected users' codes *****/
|
|
Usr_FreeListsSelectedUsrsCods ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/**** Go through the list getting the number of followed and not followed ****/
|
|
/*****************************************************************************/
|
|
|
|
static void Fol_GetFollowedFromSelectedUsrs (unsigned *NumFollowed,
|
|
unsigned *NumNotFollowed)
|
|
{
|
|
extern const char *Txt_Selected_users_X_Followed_Y_Not_followed_Z;
|
|
struct UsrData UsrDat;
|
|
const char *Ptr;
|
|
bool IFollowUsr;
|
|
unsigned NumUsrs = 0;
|
|
|
|
/***** Initialize structure with user's data *****/
|
|
Usr_UsrDataConstructor (&UsrDat);
|
|
|
|
/***** Check users to know if I follow them *****/
|
|
*NumFollowed = 0;
|
|
Ptr = Gbl.Usrs.Selected.List[Rol_UNK];
|
|
while (*Ptr)
|
|
{
|
|
Par_GetNextStrUntilSeparParamMult (&Ptr,UsrDat.EncryptedUsrCod,
|
|
Cry_BYTES_ENCRYPTED_STR_SHA256_BASE64);
|
|
Usr_GetUsrCodFromEncryptedUsrCod (&UsrDat);
|
|
if (Gbl.Usrs.Me.UsrDat.UsrCod != UsrDat.UsrCod) // Skip me
|
|
if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&UsrDat,Usr_DONT_GET_PREFS)) // Get from the database the data of the student
|
|
if (Usr_CheckIfUsrBelongsToCurrentCrs (&UsrDat))
|
|
{
|
|
/* Check if I follow this user */
|
|
IFollowUsr = Fol_CheckUsrIsFollowerOf (Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
UsrDat.UsrCod);
|
|
|
|
/* Update number of users */
|
|
if (IFollowUsr)
|
|
(*NumFollowed)++;
|
|
NumUsrs++;
|
|
}
|
|
}
|
|
|
|
/***** Free memory used for user's data *****/
|
|
Usr_UsrDataDestructor (&UsrDat);
|
|
|
|
/***** Show alert ****/
|
|
*NumNotFollowed = NumUsrs - *NumFollowed;
|
|
Ale_ShowAlert (Ale_INFO,Txt_Selected_users_X_Followed_Y_Not_followed_Z,
|
|
NumUsrs,*NumFollowed,*NumNotFollowed);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************** Follow/unfollow several users ************************/
|
|
/*****************************************************************************/
|
|
|
|
void Fol_FollowUsrs ()
|
|
{
|
|
extern const char *Txt_You_have_followed_one_user;
|
|
extern const char *Txt_You_have_followed_X_users;
|
|
const char *Ptr;
|
|
struct UsrData UsrDat;
|
|
unsigned NumFollowed = 0;
|
|
|
|
/***** Get list of selected users if not already got *****/
|
|
Usr_GetListsSelectedUsrsCods ();
|
|
|
|
/***** Initialize structure with user's data *****/
|
|
Usr_UsrDataConstructor (&UsrDat);
|
|
|
|
/***** Check users to know if I follow them *****/
|
|
Ptr = Gbl.Usrs.Selected.List[Rol_UNK];
|
|
while (*Ptr)
|
|
{
|
|
Par_GetNextStrUntilSeparParamMult (&Ptr,UsrDat.EncryptedUsrCod,
|
|
Cry_BYTES_ENCRYPTED_STR_SHA256_BASE64);
|
|
Usr_GetUsrCodFromEncryptedUsrCod (&UsrDat);
|
|
if (Gbl.Usrs.Me.UsrDat.UsrCod != UsrDat.UsrCod) // Skip me
|
|
if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&UsrDat,Usr_DONT_GET_PREFS)) // Get from the database the data of the student
|
|
if (Usr_CheckIfUsrBelongsToCurrentCrs (&UsrDat))
|
|
/* If I don't follow this user ==> follow him/her */
|
|
if (!Fol_CheckUsrIsFollowerOf (Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
UsrDat.UsrCod))
|
|
{
|
|
Fol_FollowUsr (&UsrDat);
|
|
NumFollowed++;
|
|
}
|
|
}
|
|
|
|
/***** Free memory used for user's data *****/
|
|
Usr_UsrDataDestructor (&UsrDat);
|
|
|
|
/***** Free memory used by list of selected users' codes *****/
|
|
Usr_FreeListsSelectedUsrsCods ();
|
|
|
|
/***** Show alert *****/
|
|
if (NumFollowed == 1)
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_You_have_followed_one_user);
|
|
else
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_You_have_followed_X_users,
|
|
NumFollowed);
|
|
}
|
|
|
|
void Fol_UnfollowUsrs (void)
|
|
{
|
|
extern const char *Txt_You_have_stopped_following_one_user;
|
|
extern const char *Txt_You_have_stopped_following_X_users;
|
|
const char *Ptr;
|
|
struct UsrData UsrDat;
|
|
unsigned NumUnfollowed = 0;
|
|
|
|
/***** Get list of selected users if not already got *****/
|
|
Usr_GetListsSelectedUsrsCods ();
|
|
|
|
/***** Initialize structure with user's data *****/
|
|
Usr_UsrDataConstructor (&UsrDat);
|
|
|
|
/***** Check users to know if I follow them *****/
|
|
Ptr = Gbl.Usrs.Selected.List[Rol_UNK];
|
|
while (*Ptr)
|
|
{
|
|
Par_GetNextStrUntilSeparParamMult (&Ptr,UsrDat.EncryptedUsrCod,
|
|
Cry_BYTES_ENCRYPTED_STR_SHA256_BASE64);
|
|
Usr_GetUsrCodFromEncryptedUsrCod (&UsrDat);
|
|
if (Gbl.Usrs.Me.UsrDat.UsrCod != UsrDat.UsrCod) // Skip me
|
|
if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&UsrDat,Usr_DONT_GET_PREFS)) // Get from the database the data of the student
|
|
if (Usr_CheckIfUsrBelongsToCurrentCrs (&UsrDat))
|
|
/* If I follow this user ==> unfollow him/her */
|
|
if (Fol_CheckUsrIsFollowerOf (Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
UsrDat.UsrCod))
|
|
{
|
|
Fol_UnfollowUsr (&UsrDat);
|
|
NumUnfollowed++;
|
|
}
|
|
}
|
|
|
|
/***** Free memory used for user's data *****/
|
|
Usr_UsrDataDestructor (&UsrDat);
|
|
|
|
/***** Free memory used by list of selected users' codes *****/
|
|
Usr_FreeListsSelectedUsrsCods ();
|
|
|
|
/***** Show alert *****/
|
|
if (NumUnfollowed == 1)
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_You_have_stopped_following_one_user);
|
|
else
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_You_have_stopped_following_X_users,
|
|
NumUnfollowed);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************************** Follow user ********************************/
|
|
/*****************************************************************************/
|
|
|
|
static void Fol_FollowUsr (struct UsrData *UsrDat)
|
|
{
|
|
bool CreateNotif;
|
|
bool NotifyByEmail;
|
|
|
|
/***** Avoid wrong cases *****/
|
|
if (Gbl.Usrs.Me.UsrDat.UsrCod <= 0 ||
|
|
UsrDat->UsrCod <= 0 ||
|
|
Gbl.Usrs.Me.UsrDat.UsrCod == UsrDat->UsrCod) // Skip me
|
|
return;
|
|
|
|
/***** Follow user in database *****/
|
|
DB_QueryREPLACE ("can not follow user",
|
|
"REPLACE INTO usr_follow"
|
|
" (FollowerCod,FollowedCod,FollowTime)"
|
|
" VALUES"
|
|
" (%ld,%ld,NOW())",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
UsrDat->UsrCod);
|
|
|
|
/***** Flush cache *****/
|
|
Fol_FlushCacheFollow ();
|
|
|
|
/***** This follow must be notified by email? *****/
|
|
CreateNotif = (UsrDat->NtfEvents.CreateNotif & (1 << Ntf_EVENT_FOLLOWER));
|
|
NotifyByEmail = CreateNotif &&
|
|
(UsrDat->NtfEvents.SendEmail & (1 << Ntf_EVENT_FOLLOWER));
|
|
|
|
/***** Create notification for this followed.
|
|
If this followed wants to receive notifications by email,
|
|
activate the sending of a notification *****/
|
|
if (CreateNotif)
|
|
Ntf_StoreNotifyEventToOneUser (Ntf_EVENT_FOLLOWER,UsrDat,Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
(Ntf_Status_t) (NotifyByEmail ? Ntf_STATUS_BIT_EMAIL :
|
|
0));
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************************* Unfollow user *******************************/
|
|
/*****************************************************************************/
|
|
|
|
static void Fol_UnfollowUsr (struct UsrData *UsrDat)
|
|
{
|
|
/***** Avoid wrong cases *****/
|
|
if (Gbl.Usrs.Me.UsrDat.UsrCod <= 0 ||
|
|
UsrDat->UsrCod <= 0 ||
|
|
Gbl.Usrs.Me.UsrDat.UsrCod == UsrDat->UsrCod) // Skip me
|
|
return;
|
|
|
|
/***** Unfollow user in database *****/
|
|
DB_QueryDELETE ("can not unfollow user",
|
|
"DELETE FROM usr_follow"
|
|
" WHERE FollowerCod=%ld AND FollowedCod=%ld",
|
|
Gbl.Usrs.Me.UsrDat.UsrCod,
|
|
UsrDat->UsrCod);
|
|
|
|
/***** Flush cache *****/
|
|
Fol_FlushCacheFollow ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/****** Get and show ranking of users attending to number of followers *******/
|
|
/*****************************************************************************/
|
|
|
|
void Fol_GetAndShowRankingFollowers (void)
|
|
{
|
|
MYSQL_RES *mysql_res;
|
|
unsigned NumUsrs = 0; // Initialized to avoid warning
|
|
|
|
/***** Get ranking from database *****/
|
|
switch (Gbl.Scope.Current)
|
|
{
|
|
case Hie_SYS:
|
|
NumUsrs =
|
|
(unsigned) DB_QuerySELECT (&mysql_res,"can not get ranking",
|
|
"SELECT FollowedCod,COUNT(FollowerCod) AS N"
|
|
" FROM usr_follow"
|
|
" GROUP BY FollowedCod"
|
|
" ORDER BY N DESC,FollowedCod LIMIT 100");
|
|
break;
|
|
case Hie_CTY:
|
|
NumUsrs =
|
|
(unsigned) DB_QuerySELECT (&mysql_res,"can not get ranking",
|
|
"SELECT usr_follow.FollowedCod,COUNT(DISTINCT usr_follow.FollowerCod) AS N"
|
|
" FROM institutions,centres,degrees,courses,crs_usr,usr_follow"
|
|
" WHERE institutions.CtyCod=%ld"
|
|
" AND institutions.InsCod=centres.InsCod"
|
|
" AND centres.CtrCod=degrees.CtrCod"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.CrsCod=crs_usr.CrsCod"
|
|
" AND crs_usr.UsrCod=usr_follow.FollowedCod"
|
|
" GROUP BY usr_follow.FollowedCod"
|
|
" ORDER BY N DESC,usr_follow.FollowedCod LIMIT 100",
|
|
Gbl.Hierarchy.Cty.CtyCod);
|
|
break;
|
|
case Hie_INS:
|
|
NumUsrs =
|
|
(unsigned) DB_QuerySELECT (&mysql_res,"can not get ranking",
|
|
"SELECT usr_follow.FollowedCod,COUNT(DISTINCT usr_follow.FollowerCod) AS N"
|
|
" FROM centres,degrees,courses,crs_usr,usr_follow"
|
|
" WHERE centres.InsCod=%ld"
|
|
" AND centres.CtrCod=degrees.CtrCod"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.CrsCod=crs_usr.CrsCod"
|
|
" AND crs_usr.UsrCod=usr_follow.FollowedCod"
|
|
" GROUP BY usr_follow.FollowedCod"
|
|
" ORDER BY N DESC,usr_follow.FollowedCod LIMIT 100",
|
|
Gbl.Hierarchy.Ins.InsCod);
|
|
break;
|
|
case Hie_CTR:
|
|
NumUsrs =
|
|
(unsigned) DB_QuerySELECT (&mysql_res,"can not get ranking",
|
|
"SELECT usr_follow.FollowedCod,COUNT(DISTINCT usr_follow.FollowerCod) AS N"
|
|
" FROM degrees,courses,crs_usr,usr_follow"
|
|
" WHERE degrees.CtrCod=%ld"
|
|
" AND degrees.DegCod=courses.DegCod"
|
|
" AND courses.CrsCod=crs_usr.CrsCod"
|
|
" AND crs_usr.UsrCod=usr_follow.FollowedCod"
|
|
" GROUP BY usr_follow.FollowedCod"
|
|
" ORDER BY N DESC,usr_follow.FollowedCod LIMIT 100",
|
|
Gbl.Hierarchy.Ctr.CtrCod);
|
|
break;
|
|
case Hie_DEG:
|
|
NumUsrs =
|
|
(unsigned) DB_QuerySELECT (&mysql_res,"can not get ranking",
|
|
"SELECT usr_follow.FollowedCod,COUNT(DISTINCT usr_follow.FollowerCod) AS N"
|
|
" FROM courses,crs_usr,usr_follow"
|
|
" WHERE courses.DegCod=%ld"
|
|
" AND courses.CrsCod=crs_usr.CrsCod"
|
|
" AND crs_usr.UsrCod=usr_follow.FollowedCod"
|
|
" GROUP BY usr_follow.FollowedCod"
|
|
" ORDER BY N DESC,usr_follow.FollowedCod LIMIT 100",
|
|
Gbl.Hierarchy.Deg.DegCod);
|
|
break;
|
|
case Hie_CRS:
|
|
NumUsrs =
|
|
(unsigned) DB_QuerySELECT (&mysql_res,"can not get ranking",
|
|
"SELECT usr_follow.FollowedCod,COUNT(DISTINCT usr_follow.FollowerCod) AS N"
|
|
" FROM crs_usr,usr_follow"
|
|
" WHERE crs_usr.CrsCod=%ld"
|
|
" AND crs_usr.UsrCod=usr_follow.FollowedCod"
|
|
" GROUP BY usr_follow.FollowedCod"
|
|
" ORDER BY N DESC,usr_follow.FollowedCod LIMIT 100",
|
|
Gbl.Hierarchy.Crs.CrsCod);
|
|
break;
|
|
default:
|
|
Lay_WrongScopeExit ();
|
|
break;
|
|
}
|
|
|
|
Prf_ShowRankingFigure (&mysql_res,NumUsrs);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************* Get notification of a new follower ********************/
|
|
/*****************************************************************************/
|
|
// This function may be called inside a web service, so don't report error
|
|
|
|
void Fol_GetNotifFollower (char SummaryStr[Ntf_MAX_BYTES_SUMMARY + 1],
|
|
char **ContentStr)
|
|
{
|
|
SummaryStr[0] = '\0'; // Return nothing on error
|
|
|
|
if ((*ContentStr = (char *) malloc (1)))
|
|
*ContentStr[0] = '\0';
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********************** Remove user from user follow ************************/
|
|
/*****************************************************************************/
|
|
|
|
void Fol_RemoveUsrFromUsrFollow (long UsrCod)
|
|
{
|
|
DB_QueryDELETE ("can not remove user from followers and followed",
|
|
"DELETE FROM usr_follow"
|
|
" WHERE FollowerCod=%ld OR FollowedCod=%ld",
|
|
UsrCod,UsrCod);
|
|
|
|
/***** Flush cache *****/
|
|
Fol_FlushCacheFollow ();
|
|
}
|