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 $contactsfirst = optional_param('contactsfirst', 0, PARAM_INT);
  45
  46 $url = new moodle_url('/message/index.php');
  47 if ($id) {
  48     $url->param('id', $id);
  49 } else {
  50     if ($user1id) {
  51         $url->param('user1', $user1id);
  52     }
  53     if ($user2id) {
  54         $url->param('user2', $user2id);
  55     }
  56     if ($contactsfirst) {
  57         $url->param('contactsfirst', $contactsfirst);
  58     }
  59 }
  60 $PAGE->set_url($url);
  61
  62 $user1 = null;
  63 $currentuser = true;
  64 if ($user1id != $USER->id) {
  65     $user1 = core_user::get_user($user1id, '*', MUST_EXIST);
  66     $currentuser = false;
  67 } else {
  68     $user1 = $USER;
  69 }
  70
  71 $user2 = null;
  72 if (!empty($user2id)) {
  73     $user2 = core_user::get_user($user2id, '*', MUST_EXIST);
  74 }
  75
  76 $user2realuser = !empty($user2) && core_user::is_real_user($user2->id);
  77 $systemcontext = context_system::instance();
  78 if ($currentuser === false && !has_capability('moodle/site:readallmessages', $systemcontext)) {
  79     print_error('accessdenied', 'admin');
  80 }
  81
  82 $PAGE->set_context(context_user::instance($user1->id));
  83 $PAGE->set_pagelayout('standard');
  84 $strmessages = get_string('messages', 'message');
  85 if ($user2realuser) {
  86     $user2fullname = fullname($user2);
  87
  88     $PAGE->set_title("$strmessages: $user2fullname");
  89     $PAGE->set_heading("$strmessages: $user2fullname");
  90 } else {
  91     $PAGE->set_title("{$SITE->shortname}: $strmessages");
  92     $PAGE->set_heading("{$SITE->shortname}: $strmessages");
  93 }
  94
  95 // Remove the user node from the main navigation for this page.
  96 $usernode = $PAGE->navigation->find('users', null);
  97 $usernode->remove();
  98
  99 $settings = $PAGE->settingsnav->find('messages', null);
 100 $settings->make_active();
 101
 102 // Get the renderer and the information we are going to be use.
 103 $renderer = $PAGE->get_renderer('core_message');
 104 $requestedconversation = false;
 105 if ($contactsfirst) {
 106     $conversations = \core_message\api::get_contacts($user1->id, 0, 20);
 107 } else {
 108     $conversations = \core_message\api::get_conversations($user1->id, 0, 20);
 109 }
 110 $messages = [];
 111 if (!$user2realuser) {
 112     // If there are conversations, but the user has not chosen a particular one, then render the most recent one.
 113     $user2 = new stdClass();
 114     $user2->id = null;
 115     if (!empty($conversations)) {
 116         $contact = reset($conversations);
 117         $user2->id = $contact->userid;
 118     }
 119 } else {
 120     // The user has specifically requested to see a conversation. Add the flag to
 121     // the context so that we can render the messaging app appropriately - this is
 122     // used for smaller screens as it allows the UI to be responsive.
 123     $requestedconversation = true;
 124 }
 125
 126 // Mark the conversation as read.
 127 if (!empty($user2->id)) {
 128     if ($currentuser && isset($conversations[$user2->id])) {
 129         // Mark the conversation we are loading as read.
 130         \core_message\api::mark_all_read_for_user($user1->id, $user2->id);
 131         // Ensure the UI knows it's read as well.
 132         $conversations[$user2->id]->isread = 1;
 133     }
 134
 135     $messages = \core_message\api::get_messages($user1->id, $user2->id, 0, 20, 'timecreated DESC');
 136 }
 137
 138 $pollmin = !empty($CFG->messagingminpoll) ? $CFG->messagingminpoll : MESSAGE_DEFAULT_MIN_POLL_IN_SECONDS;
 139 $pollmax = !empty($CFG->messagingmaxpoll) ? $CFG->messagingmaxpoll : MESSAGE_DEFAULT_MAX_POLL_IN_SECONDS;
 140 $polltimeout = !empty($CFG->messagingtimeoutpoll) ? $CFG->messagingtimeoutpoll : MESSAGE_DEFAULT_TIMEOUT_POLL_IN_SECONDS;
 141 $messagearea = new \core_message\output\messagearea\message_area($user1->id, $user2->id, $conversations, $messages,
 142         $requestedconversation, $contactsfirst, $pollmin, $pollmax, $polltimeout);
 143
 144 // Now the page contents.
 145 echo $OUTPUT->header();
 146 echo $OUTPUT->heading(get_string('messages', 'message'));
 147 // Display a message that the user is viewing someone else's messages.
 148 if (!$currentuser) {
 149     $notify = new \core\output\notification(get_string('viewinganotherusersmessagearea', 'message'),
 150         \core\output\notification::NOTIFY_WARNING);
 151     echo $OUTPUT->render($notify);
 152 }
 153 echo $renderer->render($messagearea);
 154 echo $OUTPUT->footer();