mirror of
https://github.com/moodle/moodle.git
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337 lines
14 KiB
PHP
337 lines
14 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* A page displaying the user's contacts and messages
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*
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* @package core_message
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* @copyright 2010 Andrew Davis
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once('../config.php');
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require_once('lib.php');
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require_once('send_form.php');
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require_login(0, false);
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if (isguestuser()) {
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redirect($CFG->wwwroot);
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}
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if (empty($CFG->messaging)) {
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print_error('disabled', 'message');
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}
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//'viewing' is the preferred URL parameter but we'll still accept usergroup in case its referenced externally
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$usergroup = optional_param('usergroup', MESSAGE_VIEW_UNREAD_MESSAGES, PARAM_ALPHANUMEXT);
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$viewing = optional_param('viewing', $usergroup, PARAM_ALPHANUMEXT);
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$history = optional_param('history', MESSAGE_HISTORY_SHORT, PARAM_INT);
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$search = optional_param('search', '', PARAM_CLEAN); //TODO: use PARAM_RAW, but make sure we use s() and p() properly
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//the same param as 1.9 and the param we have been logging. Use this parameter.
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$user1id = optional_param('user1', $USER->id, PARAM_INT);
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//2.0 shipped using this param. Retaining it only for compatibility. It should be removed.
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$user1id = optional_param('user', $user1id, PARAM_INT);
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//the same param as 1.9 and the param we have been logging. Use this parameter.
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$user2id = optional_param('user2', 0, PARAM_INT);
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//The class send_form supplies the receiving user id as 'id'
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$user2id = optional_param('id', $user2id, PARAM_INT);
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$addcontact = optional_param('addcontact', 0, PARAM_INT); // adding a contact
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$removecontact = optional_param('removecontact', 0, PARAM_INT); // removing a contact
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$blockcontact = optional_param('blockcontact', 0, PARAM_INT); // blocking a contact
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$unblockcontact = optional_param('unblockcontact', 0, PARAM_INT); // unblocking a contact
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//for search
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$advancedsearch = optional_param('advanced', 0, PARAM_INT);
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//if they have numerous contacts or are viewing course participants we might need to page through them
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$page = optional_param('page', 0, PARAM_INT);
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$url = new moodle_url('/message/index.php', array('user1' => $user1id));
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if ($user2id !== 0) {
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$url->param('user2', $user2id);
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//Switch view back to contacts if:
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//1) theyve searched and selected a user
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//2) they've viewed recent messages or notifications and clicked through to a user
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if ($viewing == MESSAGE_VIEW_SEARCH || $viewing == MESSAGE_VIEW_RECENT_NOTIFICATIONS) {
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$viewing = MESSAGE_VIEW_CONTACTS;
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}
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}
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if ($viewing != MESSAGE_VIEW_UNREAD_MESSAGES) {
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$url->param('viewing', $viewing);
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}
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$PAGE->set_url($url);
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$navigationurl = new moodle_url('/message/index.php', array('user1' => $user1id));
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navigation_node::override_active_url($navigationurl);
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// Disable message notification popups while the user is viewing their messages
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$PAGE->set_popup_notification_allowed(false);
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$user1 = null;
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$currentuser = true;
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$showactionlinks = true;
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if ($user1id != $USER->id) {
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$user1 = $DB->get_record('user', array('id' => $user1id));
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if (!$user1) {
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print_error('invaliduserid');
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}
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$currentuser = false;//if we're looking at someone else's messages we need to lock/remove some UI elements
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$showactionlinks = false;
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} else {
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$user1 = $USER;
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}
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unset($user1id);
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$user2 = null;
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if (!empty($user2id)) {
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$user2 = $DB->get_record("user", array("id" => $user2id));
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if (!$user2) {
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print_error('invaliduserid');
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}
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}
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unset($user2id);
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$systemcontext = context_system::instance();
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if (!empty($user2) && $user1->id == $user2->id) {
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print_error('invaliduserid');
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}
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// Is the user involved in the conversation?
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// Do they have the ability to read other user's conversations?
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if (!message_current_user_is_involved($user1, $user2) && !has_capability('moodle/site:readallmessages', $systemcontext)) {
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print_error('accessdenied','admin');
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}
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$PAGE->set_context(context_user::instance($user1->id));
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$PAGE->set_pagelayout('course');
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$PAGE->navigation->extend_for_user($user1);
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/// Process any contact maintenance requests there may be
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if ($addcontact and confirm_sesskey()) {
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add_to_log(SITEID, 'message', 'add contact', 'index.php?user1='.$addcontact.'&user2='.$USER->id, $addcontact);
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message_add_contact($addcontact);
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redirect($CFG->wwwroot . '/message/index.php?viewing=contacts&id='.$addcontact);
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}
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if ($removecontact and confirm_sesskey()) {
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add_to_log(SITEID, 'message', 'remove contact', 'index.php?user1='.$removecontact.'&user2='.$USER->id, $removecontact);
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message_remove_contact($removecontact);
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}
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if ($blockcontact and confirm_sesskey()) {
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add_to_log(SITEID, 'message', 'block contact', 'index.php?user1='.$blockcontact.'&user2='.$USER->id, $blockcontact);
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message_block_contact($blockcontact);
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}
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if ($unblockcontact and confirm_sesskey()) {
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add_to_log(SITEID, 'message', 'unblock contact', 'index.php?user1='.$unblockcontact.'&user2='.$USER->id, $unblockcontact);
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message_unblock_contact($unblockcontact);
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}
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//was a message sent? Do NOT allow someone looking at someone else's messages to send them.
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$messageerror = null;
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if ($currentuser && !empty($user2) && has_capability('moodle/site:sendmessage', $systemcontext)) {
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// Check that the user is not blocking us!!
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if ($contact = $DB->get_record('message_contacts', array('userid' => $user2->id, 'contactid' => $user1->id))) {
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if ($contact->blocked and !has_capability('moodle/site:readallmessages', $systemcontext)) {
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$messageerror = get_string('userisblockingyou', 'message');
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}
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}
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$userpreferences = get_user_preferences(NULL, NULL, $user2->id);
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if (!empty($userpreferences['message_blocknoncontacts'])) { // User is blocking non-contacts
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if (empty($contact)) { // We are not a contact!
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$messageerror = get_string('userisblockingyounoncontact', 'message', fullname($user2));
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}
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}
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if (empty($messageerror)) {
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$mform = new send_form();
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$defaultmessage = new stdClass;
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$defaultmessage->id = $user2->id;
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$defaultmessage->message = '';
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//Check if the current user has sent a message
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$data = $mform->get_data();
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if (!empty($data) && !empty($data->message)) {
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if (!confirm_sesskey()) {
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print_error('invalidsesskey');
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}
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$messageid = message_post_message($user1, $user2, $data->message, FORMAT_MOODLE);
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if (!empty($messageid)) {
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//including the id of the user sending the message in the logged URL so the URL works for admins
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//note message ID may be misleading as the message may potentially get a different ID when moved from message to message_read
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add_to_log(SITEID, 'message', 'write', 'index.php?user='.$user1->id.'&id='.$user2->id.'&history=1#m'.$messageid, $user1->id);
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redirect($CFG->wwwroot . '/message/index.php?viewing='.$viewing.'&id='.$user2->id);
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}
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}
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}
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}
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$strmessages = get_string('messages', 'message');
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if (!empty($user2)) {
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$user2fullname = fullname($user2);
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$PAGE->set_title("$strmessages: $user2fullname");
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$PAGE->set_heading("$strmessages: $user2fullname");
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} else {
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$PAGE->set_title("{$SITE->shortname}: $strmessages");
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$PAGE->set_heading("{$SITE->shortname}: $strmessages");
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}
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//now the page contents
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echo $OUTPUT->header();
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echo $OUTPUT->box_start('message');
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$countunread = 0; //count of unread messages from $user2
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$countunreadtotal = 0; //count of unread messages from all users
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//we're dealing with unread messages early so the contact list will accurately reflect what is read/unread
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$viewingnewmessages = false;
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if (!empty($user2)) {
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//are there any unread messages from $user2
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$countunread = message_count_unread_messages($user1, $user2);
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if ($countunread>0) {
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//mark the messages we're going to display as read
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message_mark_messages_read($user1->id, $user2->id);
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if($viewing == MESSAGE_VIEW_UNREAD_MESSAGES) {
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$viewingnewmessages = true;
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}
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}
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}
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$countunreadtotal = message_count_unread_messages($user1);
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if ($currentuser && $countunreadtotal == 0 && $viewing == MESSAGE_VIEW_UNREAD_MESSAGES && empty($user2)) {
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// If the user has no unread messages, show the search box.
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// We don't do this when a user is viewing another user's messages as search doesn't
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// handle user A searching user B's messages properly.
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$viewing = MESSAGE_VIEW_SEARCH;
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}
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$blockedusers = message_get_blocked_users($user1, $user2);
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$countblocked = count($blockedusers);
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list($onlinecontacts, $offlinecontacts, $strangers) = message_get_contacts($user1, $user2);
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message_print_contact_selector($countunreadtotal, $viewing, $user1, $user2, $blockedusers, $onlinecontacts, $offlinecontacts, $strangers, $showactionlinks, $page);
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echo html_writer::start_tag('div', array('class' => 'messagearea mdl-align'));
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if (!empty($user2)) {
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echo html_writer::start_tag('div', array('class' => 'mdl-left messagehistory'));
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$visible = 'visible';
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$hidden = 'hiddenelement'; //cant just use hidden as mform adds that class to its fieldset for something else
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$recentlinkclass = $recentlabelclass = $historylinkclass = $historylabelclass = $visible;
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if ($history == MESSAGE_HISTORY_ALL) {
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$displaycount = 0;
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$recentlabelclass = $historylinkclass = $hidden;
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} else if($viewingnewmessages) {
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//if user is viewing new messages only show them the new messages
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$displaycount = $countunread;
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$recentlabelclass = $historylabelclass = $hidden;
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} else {
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//default to only showing the last few messages
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$displaycount = MESSAGE_SHORTVIEW_LIMIT;
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if ($countunread>MESSAGE_SHORTVIEW_LIMIT) {
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$displaycount = $countunread;
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}
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$recentlinkclass = $historylabelclass = $hidden;
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}
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$messagehistorylink = html_writer::start_tag('div', array('class' => 'mdl-align messagehistorytype'));
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$messagehistorylink .= html_writer::link($PAGE->url->out(false).'&history='.MESSAGE_HISTORY_ALL,
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get_string('messagehistoryfull','message'),
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array('class' => $historylinkclass));
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$messagehistorylink .= html_writer::start_tag('span', array('class' => $historylabelclass));
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$messagehistorylink .= get_string('messagehistoryfull','message');
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$messagehistorylink .= html_writer::end_tag('span');
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$messagehistorylink .= ' | '.html_writer::link($PAGE->url->out(false).'&history='.MESSAGE_HISTORY_SHORT,
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get_string('mostrecent','message'),
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array('class' => $recentlinkclass));
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$messagehistorylink .= html_writer::start_tag('span', array('class' => $recentlabelclass));
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$messagehistorylink .= get_string('mostrecent','message');
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$messagehistorylink .= html_writer::end_tag('span');
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if ($viewingnewmessages) {
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$messagehistorylink .= ' | '.html_writer::start_tag('span');//, array('class' => $historyclass)
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$messagehistorylink .= get_string('unreadnewmessages','message',$displaycount);
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$messagehistorylink .= html_writer::end_tag('span');
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}
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$messagehistorylink .= html_writer::end_tag('div');
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message_print_message_history($user1, $user2, $search, $displaycount, $messagehistorylink, $viewingnewmessages, $showactionlinks);
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echo html_writer::end_tag('div');
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//send message form
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if ($currentuser && has_capability('moodle/site:sendmessage', $systemcontext)) {
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echo html_writer::start_tag('div', array('class' => 'mdl-align messagesend'));
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if (!empty($messageerror)) {
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echo html_writer::tag('span', $messageerror, array('id' => 'messagewarning'));
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} else {
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// Display a warning if the current user is blocking non-contacts and is about to message to a non-contact
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// Otherwise they may wonder why they never get a reply
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$blocknoncontacts = get_user_preferences('message_blocknoncontacts', '', $user1->id);
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if (!empty($blocknoncontacts)) {
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$contact = $DB->get_record('message_contacts', array('userid' => $user1->id, 'contactid' => $user2->id));
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if (empty($contact)) {
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$msg = get_string('messagingblockednoncontact', 'message', fullname($user2));
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echo html_writer::tag('span', $msg, array('id' => 'messagewarning'));
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}
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}
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$mform = new send_form();
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$defaultmessage = new stdClass;
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$defaultmessage->id = $user2->id;
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$defaultmessage->message = '';
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//$defaultmessage->messageformat = FORMAT_MOODLE;
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$mform->set_data($defaultmessage);
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$mform->display();
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}
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echo html_writer::end_tag('div');
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}
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} else if ($viewing == MESSAGE_VIEW_SEARCH) {
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message_print_search($advancedsearch, $user1);
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} else if ($viewing == MESSAGE_VIEW_RECENT_CONVERSATIONS) {
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message_print_recent_conversations($user1, false, $showactionlinks);
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} else if ($viewing == MESSAGE_VIEW_RECENT_NOTIFICATIONS) {
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message_print_recent_notifications($user1);
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}
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echo html_writer::end_tag('div');
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echo $OUTPUT->box_end();
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echo $OUTPUT->footer();
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