units/friends/friends_actions.php

   1 <?php
   2 global $USER, $CFG;
   3
   4 // Actions to perform on the friends screen
   5
   6 $action = optional_param('action');
   7 $friend_id = optional_param('friend_id',0,PARAM_INT);
   8 $friend = get_record('users','ident',$friend_id);
   9
  10 switch ($action) {
  11
  12     // Friend someone
  13     case "friend":
  14         if (!empty($friend) && logged_on) {
  15             $friendalready = record_exists('friends','owner',$USER->ident,'friend',$friend_id);
  16             $requestedalready = record_exists('friends','owner',$USER->ident,'friend',$friend_id);
  17             if (empty($friendalready) && empty($requestedalready)) {
  18                 $f = new StdClass;
  19                 $f->owner = $USER->ident;
  20                 $f->friend = $friend_id;
  21                 if ($friend->moderation == 'no') {
  22                     if (insert_record('friends',$f)) {
  23                         if (user_info("user_type",$friend_id) == "person") {
  24                             $messages[] = sprintf(__gettext("%s was added to your friends list."),$friend->name);
  25                                 $u = get_record('users','ident',$friend_id);
  26                             $message_body = sprintf(__gettext("%s has added you as a friend!\n\nTo visit this user's profile, click on the following link:\n\n\t%s\n\nTo view all your friends, click here:\n\n\t%s\n\nRegards,\n\nThe %s team."),$_SESSION['name'], $CFG->wwwroot . user_info("username",$USER->ident) . "/", $CFG->wwwroot . user_info("username",$friend_id) . "/friends/",$CFG->sitename);
  27                             $title = sprintf(__gettext("New %s friend"), $CFG->sitename);
  28                             notify_user($u,$title,$message_body);
  29                         }
  30                     } else {
  31                         if (user_info("user_type",$friend_id) == "person") {
  32                             $messages[] = sprintf(__gettext("%s couldn't be added to your friends list."),$friend->name);
  33                         }
  34                     }
  35                 } else if ($friend->moderation == 'yes') {
  36                     if (insert_record('friends_requests',$f)) {
  37                         if (user_info("user_type",$friend_id) == "person") {
  38                             $messages[] = sprintf(__gettext("%s has elected to moderate friendship requests. Your request has been added to their moderation queue."),$friend->name);
  39                             $u = get_record('users','ident',$friend_id);
  40                             $message_body = sprintf(__gettext("%s has requested to add you as a friend!\n\nTo visit this user's profile, click on the following link:\n\n\t%s\n\nTo view all your friends requests and approve or deny this user, click here:\n\n\t%s\n\nRegards,\n\nThe %s team."),$_SESSION['name'], $CFG->wwwroot . user_info("username",$USER->ident) . "/", $CFG->wwwroot . "_friends/requests.php?owner=" . $friend_id,$CFG->sitename);
  41                             $title = sprintf(__gettext("New %s friend request"), $CFG->sitename);
  42                             notify_user($u,$title,$message_body);
  43                         }
  44                     } else {
  45                         if (user_info("user_type",$friend_id) == "person") {
  46                             $messages[] = sprintf(__gettext("%s has elected to moderate friendship requests, but your friend request couldn't be added to their moderation queue."),$friend->name);
  47                         }
  48                     }
  49                 } else if ($friend->moderation == 'priv'  && user_info("user_type",$friend_id) == "person") {
  50                     $messages[] = sprintf(__gettext("%s has decided not to allow any new friendship requests at this time. Your friendship request has been declined."),$friend->name);
  51                 }
  52             }
  53         }
  54         break;
  55         // Unfriend someone
  56      case "unfriend":
  57          if (!empty($friend) && logged_on) {
  58              if (delete_records('friends','owner',$USER->ident,'friend',$friend_id)) {
  59                  if (user_info("user_type",$friend_id) == "person") {
  60                      $messages[] = $friend->name . __gettext(" was removed from your friends.");
  61                  }
  62              } else {
  63                  if (user_info("user_type",$friend_id) == "person") {
  64                      $messages[] = $friend->name . __gettext(" couldn't be removed from your friends.");
  65                  }
  66              }
  67          }
  68          break;
  69                 // Approve a friendship request
  70      case "friends:approve:request":
  71          $request_id = optional_param('request_id',0,PARAM_INT);
  72          if (!empty($request_id) && logged_on && user_type($page_owner) == "person") {
  73              if ($request = get_record_sql('SELECT u.name, fr.owner, fr.friend FROM '.$CFG->prefix.'friends_requests fr
  74                                     LEFT JOIN '.$CFG->prefix.'users u ON u.ident = fr.owner
  75                                     WHERE fr.ident = ?',array($request_id))) {
  76                  if (run("permissions:check",array("userdetails:change", $page_owner))) {
  77                      $f = new StdClass;
  78                      $f->owner = $request->owner;
  79                      $f->friend = $request->friend;
  80                      if (insert_record('friends',$f)) {
  81                          delete_records('friends_requests','ident',$request_id);
  82                          $messages[] = sprintf(__gettext("You approved the friendship request. %s now lists you as a friend."),stripslashes($request->name));
  83                          $message_body = sprintf(__gettext("%s has approved your friendship request!\n\nTo visit this user's profile, click on the following link:\n\n\t%s\n\nTo view all your friends, click here:\n\n\t%s\n\nRegards,\n\nThe %s team."),user_info("name",$request->friend), $CFG->wwwroot . user_info("username",$request->friend) . "/", $CFG->wwwroot . user_info("username",$request->owner) . "/friends/",$CFG->sitename);
  84                          $title = sprintf(__gettext("%s friend request approved!"), $CFG->sitename);
  85                          notify_user($request->owner,$title,$message_body);
  86                      } else {
  87                          $messages[] = __gettext("An error occurred: couldn't add you as a friend");
  88                      }
  89                  } else {
  90                      $messages[] = __gettext("Error: you do not have authority to modify this friendship request.");
  91                  }
  92              } else {
  93                  $messages[] = __gettext("An error occurred: the friendship request could not be found.");
  94              }
  95
  96          }
  97          break;
  98          // Reject a friendship request
  99      case "friends:decline:request":
 100          $request_id = optional_param('request_id',0,PARAM_INT);
 101          if (!empty($request_id) && logged_on && user_type($page_owner) == "person") {
 102              if ($request = get_record_sql('SELECT u.name, fr.owner, fr.friend FROM '.$CFG->prefix.'friends_requests fr
 103                                     LEFT JOIN '.$CFG->prefix.'users u ON u.ident = fr.owner
 104                                     WHERE fr.ident = ?',array($request_id))) {
 105                  if (run("permissions:check",array("userdetails:change", $page_owner))) {
 106                      delete_records('friends_requests','ident',$request_id);
 107                      $messages[] = sprintf(__gettext("You declined the friendship request. %s does not list you as a friend."),stripslashes($request->name));
 108                      $message_body = sprintf(__gettext("%s has denied your friendship request.\n\nTo visit this user's profile, click on the following link:\n\n\t%s\n\nTo view all your existing friends, click here:\n\n\t%s\n\nRegards,\n\nThe %s team."),user_info("name",$request->friend), $CFG->wwwroot . user_info("username",$request->friend) . "/", $CFG->wwwroot . user_info("username",$request->owner) . "/friends/",$CFG->sitename);
 109                      $title = sprintf(__gettext("%s friend request denied"), $CFG->sitename);
 110                      notify_user($request->owner,$title,$message_body);
 111                  } else {
 112                      $messages[] = __gettext("Error: you do not have authority to modify this friendship request.");
 113                  }
 114              } else {
 115                  $messages[] = __gettext("An error occurred: the friendship request could not be found.");
 116              }
 117
 118          }
 119          break;
 120 }
 121
 122 ?>