#
#-----[ OPEN ]------------------------------------------
#
privmsg.php

#
#-----[ FIND ]------------------------------------------
#
      $template->assign_vars(array(
         'META' => '<meta http-equiv="refresh" content="3;url=' . append_sid("privmsg.$phpEx?folder=inbox") . '">')
      );

#
#-----[ ADD BEFORE ]------------------------------------------
#
      //
      // START PM SYSTEM FOR IAI
      //

      // Should IAI respond to this pm?
      if (
         (
            $mode != "edit"
         )
         &&
         (
            $to_userdata['user_id'] == $board_config['iai_userid']
         )
         &&
         (
            $board_config['iai_active_pm']
         )
      )
      {

         $iai_root_path = $phpbb_root_path . "mods/iai/";
         include($iai_root_path . 'includes/iai_functions.'.$phpEx);
            
         // Init IAI specific vars
         $iai_subject = ( ( !preg_match('/^Re:/',  $privmsg_subject) ) ? 'Re: ' : '' ) .  $privmsg_subject;

         // Get IAI reply
         $user_id = ($userdata['session_logged_in']) ? $userdata['user_id'] : 0;
         $topic_id = 0; // the null topic
         $sesh_id = $userdata['session_id']; // should NOT be null in any situation
         $numselects = 0;
         // set bot to reply to subject as well as message as long as subject is not a reply (i.e. has Re: out the front)
         $iai_reply_to = ( ( !preg_match('/^Re:/',  $privmsg_subject) ) ? $privmsg_subject . " " : "" ) . $privmsg_message;
         $iai_reply_to = str_replace("is " . $board_config['iai_username'], "are you", $iai_reply_to);
         $iai_reply_to = str_replace($board_config['iai_username'], "you", $iai_reply_to);
         $iai_reply = reply($iai_reply_to,$user_id,$topic_id,$sesh_id);
         $iai_message = $iai_reply->response;
         
         //
         // START Delete user's message from bot's inbox/user's outbox (it gets too full and wastes space otherwise).
         // Note that this wipes ALL PAST pms in the bot's inbox from the user. This ensures that any backlog of pms
         // sent while bot was inactive are also wiped.
         //
         $sql = "UPDATE " . USERS_TABLE . "
            SET user_unread_privmsg = user_unread_privmsg - 1
            WHERE user_id = " . $board_config['iai_userid'];
         if ( !$db->sql_query($sql) )
         {
            message_die(GENERAL_ERROR, 'Could not update private message read status for user', '', __LINE__, __FILE__, $sql);
         }
         $sql = "SELECT privmsgs_id
            FROM " . PRIVMSGS_TABLE . "
            WHERE privmsgs_to_userid = " . $board_config['iai_userid'] . " AND (privmsgs_type = " . PRIVMSGS_READ_MAIL . " OR privmsgs_type = " . PRIVMSGS_NEW_MAIL . " OR privmsgs_type = " . PRIVMSGS_UNREAD_MAIL . " )";
         if ( !($result = $db->sql_query($sql)) )
         {
            message_die(GENERAL_ERROR, 'Could not obtain id list to delete all messages', '', __LINE__, __FILE__, $sql);
         }
         $mark_list = array();
         while ( $row = $db->sql_fetchrow($result) )
         {
            $mark_list[] = $row['privmsgs_id'];
         }
         unset($delete_type);

         if ( count($mark_list) )
         {
            $delete_sql_id = implode(', ', $mark_list);
         }

         $delete_text_sql = "DELETE FROM " . PRIVMSGS_TEXT_TABLE . "
                  WHERE privmsgs_text_id IN ($delete_sql_id)";
         $delete_sql = "DELETE FROM " . PRIVMSGS_TABLE . "
               WHERE privmsgs_id IN ($delete_sql_id)
               AND privmsgs_to_userid = " . $board_config['iai_userid'] . "
               AND (privmsgs_type = " . PRIVMSGS_READ_MAIL . " OR privmsgs_type = " . PRIVMSGS_NEW_MAIL . " OR privmsgs_type = " . PRIVMSGS_UNREAD_MAIL . " )";

         if ( !$db->sql_query($delete_sql, BEGIN_TRANSACTION) )
         {
            message_die(GENERAL_ERROR, 'Could not delete private message info', '', __LINE__, __FILE__, $delete_sql);
         }

         if ( !$db->sql_query($delete_text_sql, END_TRANSACTION) )
         {
            message_die(GENERAL_ERROR, 'Could not delete private message text', '', __LINE__, __FILE__, $delete_text_sql);
         }
         //
         // END delete sent pms
         //

         // run iai pm send function
         $iai_message = str_replace(".", ". ", $iai_message);
         $iai_message = str_replace("!", "! ", $iai_message);
         $iai_message = str_replace("?", "? ", $iai_message);
         iai_send_pm($userdata['user_id'], $iai_subject, $iai_message, 0);
      }
      //
      // END PM SYSTEM FOR IAI
      //