message/index.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * A page displaying the user's contacts and messages
  19  *
  20  * @package    core_message
  21  * @copyright  2010 Andrew Davis
  22  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once('../config.php');
  26
  27 require_login(null, false);
  28
  29 if (isguestuser()) {
  30     redirect($CFG->wwwroot);
  31 }
  32
  33 if (empty($CFG->messaging)) {
  34     print_error('disabled', 'message');
  35 }
  36
  37 // The id of the user we want to view messages from.
  38 $id = optional_param('id', 0, PARAM_INT);
  39
  40 // It's possible for someone with the right capabilities to view a conversation between two other users. For BC
  41 // we are going to accept other URL parameters to figure this out.
  42 $user1id = optional_param('user1', $USER->id, PARAM_INT);
  43 $user2id = optional_param('user2', $id, PARAM_INT);
  44
  45 $url = new moodle_url('/message/index.php');
  46 if ($id) {
  47     $url->param('id', $id);
  48 } else {
  49     if ($user1id) {
  50         $url->param('user1', $user1id);
  51     }
  52     if ($user2id) {
  53         $url->param('user2', $user2id);
  54     }
  55 }
  56 $PAGE->set_url($url);
  57
  58 $user1 = null;
  59 $currentuser = true;
  60 if ($user1id != $USER->id) {
  61     $user1 = core_user::get_user($user1id, '*', MUST_EXIST);
  62     $currentuser = false;
  63 } else {
  64     $user1 = $USER;
  65 }
  66
  67 $user2 = null;
  68 if (!empty($user2id)) {
  69     $user2 = core_user::get_user($user2id, '*', MUST_EXIST);
  70 }
  71
  72 $user2realuser = !empty($user2) && core_user::is_real_user($user2->id);
  73 $systemcontext = context_system::instance();
  74 if ($currentuser === false && !has_capability('moodle/site:readallmessages', $systemcontext)) {
  75     print_error('accessdenied', 'admin');
  76 }
  77
  78 $PAGE->set_context(context_user::instance($user1->id));
  79 $PAGE->set_pagelayout('standard');
  80 $strmessages = get_string('messages', 'message');
  81 if ($user2realuser) {
  82     $user2fullname = fullname($user2);
  83
  84     $PAGE->set_title("$strmessages: $user2fullname");
  85     $PAGE->set_heading("$strmessages: $user2fullname");
  86 } else {
  87     $PAGE->set_title("{$SITE->shortname}: $strmessages");
  88     $PAGE->set_heading("{$SITE->shortname}: $strmessages");
  89 }
  90
  91 // Remove the user node from the main navigation for this page.
  92 $usernode = $PAGE->navigation->find('users', null);
  93 $usernode->remove();
  94
  95 $settings = $PAGE->settingsnav->find('messages', null);
  96 $settings->make_active();
  97
  98 // Get the renderer and the information we are going to be use.
  99 $renderer = $PAGE->get_renderer('core_message');
 100 $requestedconversation = false;
 101 $conversations = \core_message\api::get_conversations($user1->id, 0, 20);
 102 $messages = [];
 103 if (!$user2realuser) {
 104     // If there are conversations, but the user has not chosen a particular one, then render the most recent one.
 105     $user2 = new stdClass();
 106     $user2->id = null;
 107     if (!empty($conversations)) {
 108         $contact = reset($conversations);
 109         $user2->id = $contact->userid;
 110     }
 111 } else {
 112     // The user has specifically requested to see a conversation. Add the flag to
 113     // the context so that we can render the messaging app appropriately - this is
 114     // used for smaller screens as it allows the UI to be responsive.
 115     $requestedconversation = true;
 116 }
 117
 118 // Mark the conversation as read.
 119 if (!empty($user2->id)) {
 120     if ($currentuser && isset($conversations[$user2->id])) {
 121         // Mark the conversation we are loading as read.
 122         \core_message\api::mark_all_read_for_user($user1->id, $user2->id);
 123         // Ensure the UI knows it's read as well.
 124         $conversations[$user2->id]->isread = 1;
 125     }
 126
 127     $messages = \core_message\api::get_messages($user1->id, $user2->id, 0, 20, 'timecreated DESC');
 128 }
 129
 130 $messagearea = new \core_message\output\messagearea\message_area($user1->id, $user2->id, $conversations, $messages,
 131     $requestedconversation);
 132
 133 // Now the page contents.
 134 echo $OUTPUT->header();
 135 echo $OUTPUT->heading(get_string('messages', 'message'));
 136 // Display a message that the user is viewing someone else's messages.
 137 if (!$currentuser) {
 138     $notify = new \core\output\notification(get_string('viewinganotherusersmessagearea', 'message'),
 139         \core\output\notification::NOTIFY_WARNING);
 140     echo $OUTPUT->render($notify);
 141 }
 142 echo $renderer->render($messagearea);
 143 echo $OUTPUT->footer();