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627 lines
22 KiB
PHP
627 lines
22 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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* External message API
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*
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* @package core_message
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* @category external
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* @copyright 2011 Jerome Mouneyrac
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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("$CFG->libdir/externallib.php");
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/**
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* Message external functions
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*
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* @package core_message
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* @category external
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* @copyright 2011 Jerome Mouneyrac
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @since Moodle 2.2
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*/
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class core_message_external extends external_api {
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/**
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* Returns description of method parameters
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*
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* @return external_function_parameters
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* @since Moodle 2.2
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*/
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public static function send_instant_messages_parameters() {
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return new external_function_parameters(
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array(
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'messages' => new external_multiple_structure(
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new external_single_structure(
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array(
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'touserid' => new external_value(PARAM_INT, 'id of the user to send the private message'),
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'text' => new external_value(PARAM_RAW, 'the text of the message'),
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'textformat' => new external_format_value('text', VALUE_DEFAULT),
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'clientmsgid' => new external_value(PARAM_ALPHANUMEXT, 'your own client id for the message. If this id is provided, the fail message id will be returned to you', VALUE_OPTIONAL),
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)
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)
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)
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)
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);
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}
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/**
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* Send private messages from the current USER to other users
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*
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* @param array $messages An array of message to send.
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* @return array
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* @since Moodle 2.2
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*/
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public static function send_instant_messages($messages = array()) {
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global $CFG, $USER, $DB;
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require_once($CFG->dirroot . "/message/lib.php");
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//check if messaging is enabled
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if (!$CFG->messaging) {
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throw new moodle_exception('disabled', 'message');
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}
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// Ensure the current user is allowed to run this function
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$context = context_system::instance();
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self::validate_context($context);
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require_capability('moodle/site:sendmessage', $context);
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$params = self::validate_parameters(self::send_instant_messages_parameters(), array('messages' => $messages));
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//retrieve all tousers of the messages
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$receivers = array();
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foreach($params['messages'] as $message) {
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$receivers[] = $message['touserid'];
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}
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list($sqluserids, $sqlparams) = $DB->get_in_or_equal($receivers, SQL_PARAMS_NAMED, 'userid_');
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$tousers = $DB->get_records_select("user", "id " . $sqluserids . " AND deleted = 0", $sqlparams);
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$blocklist = array();
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$contactlist = array();
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$sqlparams['contactid'] = $USER->id;
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$rs = $DB->get_recordset_sql("SELECT *
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FROM {message_contacts}
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WHERE userid $sqluserids
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AND contactid = :contactid", $sqlparams);
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foreach ($rs as $record) {
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if ($record->blocked) {
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// $record->userid is blocking current user
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$blocklist[$record->userid] = true;
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} else {
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// $record->userid have current user as contact
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$contactlist[$record->userid] = true;
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}
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}
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$rs->close();
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$canreadallmessages = has_capability('moodle/site:readallmessages', $context);
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$resultmessages = array();
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foreach ($params['messages'] as $message) {
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$resultmsg = array(); //the infos about the success of the operation
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//we are going to do some checking
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//code should match /messages/index.php checks
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$success = true;
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//check the user exists
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if (empty($tousers[$message['touserid']])) {
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$success = false;
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$errormessage = get_string('touserdoesntexist', 'message', $message['touserid']);
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}
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//check that the touser is not blocking the current user
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if ($success and !empty($blocklist[$message['touserid']]) and !$canreadallmessages) {
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$success = false;
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$errormessage = get_string('userisblockingyou', 'message');
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}
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// Check if the user is a contact
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//TODO MDL-31118 performance improvement - edit the function so we can pass an array instead userid
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$blocknoncontacts = get_user_preferences('message_blocknoncontacts', NULL, $message['touserid']);
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// message_blocknoncontacts option is on and current user is not in contact list
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if ($success && empty($contactlist[$message['touserid']]) && !empty($blocknoncontacts)) {
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// The user isn't a contact and they have selected to block non contacts so this message won't be sent.
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$success = false;
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$errormessage = get_string('userisblockingyounoncontact', 'message');
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}
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//now we can send the message (at least try)
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if ($success) {
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//TODO MDL-31118 performance improvement - edit the function so we can pass an array instead one touser object
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$success = message_post_message($USER, $tousers[$message['touserid']],
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$message['text'], external_validate_format($message['textformat']));
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}
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//build the resultmsg
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if (isset($message['clientmsgid'])) {
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$resultmsg['clientmsgid'] = $message['clientmsgid'];
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}
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if ($success) {
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$resultmsg['msgid'] = $success;
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} else {
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// WARNINGS: for backward compatibility we return this errormessage.
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// We should have thrown exceptions as these errors prevent results to be returned.
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// See http://docs.moodle.org/dev/Errors_handling_in_web_services#When_to_send_a_warning_on_the_server_side .
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$resultmsg['msgid'] = -1;
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$resultmsg['errormessage'] = $errormessage;
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}
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$resultmessages[] = $resultmsg;
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}
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return $resultmessages;
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}
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/**
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* Returns description of method result value
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*
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* @return external_description
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* @since Moodle 2.2
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*/
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public static function send_instant_messages_returns() {
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return new external_multiple_structure(
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new external_single_structure(
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array(
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'msgid' => new external_value(PARAM_INT, 'test this to know if it succeeds: id of the created message if it succeeded, -1 when failed'),
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'clientmsgid' => new external_value(PARAM_ALPHANUMEXT, 'your own id for the message', VALUE_OPTIONAL),
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'errormessage' => new external_value(PARAM_TEXT, 'error message - if it failed', VALUE_OPTIONAL)
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)
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)
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);
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}
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/**
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* Create contacts parameters description.
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*
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* @return external_function_parameters
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* @since 2.5
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*/
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public static function create_contacts_parameters() {
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return new external_function_parameters(
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array(
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'userids' => new external_multiple_structure(
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new external_value(PARAM_INT, 'User ID'),
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'List of user IDs'
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)
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)
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);
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}
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/**
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* Create contacts.
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*
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* @param array $userids array of user IDs.
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* @return external_description
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* @since 2.5
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*/
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public static function create_contacts($userids) {
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$params = array('userids' => $userids);
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$params = self::validate_parameters(self::create_contacts_parameters(), $params);
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$warnings = array();
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foreach ($params['userids'] as $id) {
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if (!message_add_contact($id)) {
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$warnings[] = array(
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'item' => 'user',
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'itemid' => $id,
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'warningcode' => 'contactnotcreated',
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'message' => 'The contact could not be created'
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);
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}
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}
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return $warnings;
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}
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/**
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* Create contacts return description.
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*
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* @return external_description
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* @since 2.5
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*/
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public static function create_contacts_returns() {
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return new external_warnings();
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}
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/**
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* Delete contacts parameters description.
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*
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* @return external_function_parameters
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* @since 2.5
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*/
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public static function delete_contacts_parameters() {
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return new external_function_parameters(
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array(
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'userids' => new external_multiple_structure(
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new external_value(PARAM_INT, 'User ID'),
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'List of user IDs'
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)
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)
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);
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}
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/**
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* Delete contacts.
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*
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* @param array $userids array of user IDs.
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* @return null
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* @since 2.5
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*/
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public static function delete_contacts($userids) {
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$params = array('userids' => $userids);
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$params = self::validate_parameters(self::delete_contacts_parameters(), $params);
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foreach ($params['userids'] as $id) {
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message_remove_contact($id);
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}
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return null;
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}
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/**
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* Delete contacts return description.
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*
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* @return external_description
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* @since 2.5
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*/
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public static function delete_contacts_returns() {
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return null;
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}
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/**
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* Block contacts parameters description.
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*
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* @return external_function_parameters
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* @since 2.5
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*/
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public static function block_contacts_parameters() {
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return new external_function_parameters(
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array(
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'userids' => new external_multiple_structure(
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new external_value(PARAM_INT, 'User ID'),
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'List of user IDs'
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)
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)
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);
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}
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/**
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* Block contacts.
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*
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* @param array $userids array of user IDs.
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* @return external_description
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* @since 2.5
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*/
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public static function block_contacts($userids) {
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$params = array('userids' => $userids);
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$params = self::validate_parameters(self::block_contacts_parameters(), $params);
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$warnings = array();
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foreach ($params['userids'] as $id) {
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if (!message_block_contact($id)) {
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$warnings[] = array(
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'item' => 'user',
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'itemid' => $id,
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'warningcode' => 'contactnotblocked',
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'message' => 'The contact could not be blocked'
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);
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}
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}
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return $warnings;
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}
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/**
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* Block contacts return description.
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*
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* @return external_description
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* @since 2.5
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*/
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public static function block_contacts_returns() {
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return new external_warnings();
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}
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/**
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* Unblock contacts parameters description.
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*
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* @return external_function_parameters
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* @since 2.5
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*/
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public static function unblock_contacts_parameters() {
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return new external_function_parameters(
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array(
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'userids' => new external_multiple_structure(
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new external_value(PARAM_INT, 'User ID'),
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'List of user IDs'
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)
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)
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);
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}
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/**
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* Unblock contacts.
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*
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* @param array $userids array of user IDs.
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* @return null
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* @since 2.5
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*/
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public static function unblock_contacts($userids) {
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$params = array('userids' => $userids);
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$params = self::validate_parameters(self::unblock_contacts_parameters(), $params);
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foreach ($params['userids'] as $id) {
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message_unblock_contact($id);
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}
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return null;
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}
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/**
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* Unblock contacts return description.
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*
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* @return external_description
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* @since 2.5
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*/
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public static function unblock_contacts_returns() {
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return null;
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}
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/**
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* Get contacts parameters description.
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*
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* @return external_function_parameters
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* @since 2.5
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*/
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public static function get_contacts_parameters() {
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return new external_function_parameters(array());
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}
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/**
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* Get contacts.
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*
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* @param array $userids array of user IDs.
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* @return external_description
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* @since 2.5
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*/
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public static function get_contacts() {
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global $CFG;
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require_once($CFG->dirroot . '/user/lib.php');
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list($online, $offline, $strangers) = message_get_contacts();
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$allcontacts = array('online' => $online, 'offline' => $offline, 'strangers' => $strangers);
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foreach ($allcontacts as $mode => $contacts) {
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foreach ($contacts as $key => $contact) {
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$newcontact = array(
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'id' => $contact->id,
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'fullname' => fullname($contact),
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'unread' => $contact->messagecount
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);
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// Try to get the user picture, but sometimes this method can return null.
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$userdetails = user_get_user_details($contact, null, array('profileimageurl', 'profileimageurlsmall'));
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if (!empty($userdetails)) {
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$newcontact['profileimageurl'] = $userdetails['profileimageurl'];
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$newcontact['profileimageurlsmall'] = $userdetails['profileimageurlsmall'];
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}
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$allcontacts[$mode][$key] = $newcontact;
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}
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}
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return $allcontacts;
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}
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/**
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* Get contacts return description.
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*
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* @return external_description
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* @since 2.5
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*/
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public static function get_contacts_returns() {
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return new external_single_structure(
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array(
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'online' => new external_multiple_structure(
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new external_single_structure(
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array(
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'id' => new external_value(PARAM_INT, 'User ID'),
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'fullname' => new external_value(PARAM_NOTAGS, 'User full name'),
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'profileimageurl' => new external_value(PARAM_URL, 'User picture URL', VALUE_OPTIONAL),
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'profileimageurlsmall' => new external_value(PARAM_URL, 'Small user picture URL', VALUE_OPTIONAL),
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'unread' => new external_value(PARAM_INT, 'Unread message count')
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)
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),
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'List of online contacts'
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),
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'offline' => new external_multiple_structure(
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new external_single_structure(
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array(
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'id' => new external_value(PARAM_INT, 'User ID'),
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'fullname' => new external_value(PARAM_NOTAGS, 'User full name'),
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'profileimageurl' => new external_value(PARAM_URL, 'User picture URL', VALUE_OPTIONAL),
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'profileimageurlsmall' => new external_value(PARAM_URL, 'Small user picture URL', VALUE_OPTIONAL),
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'unread' => new external_value(PARAM_INT, 'Unread message count')
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)
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),
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'List of offline contacts'
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),
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'strangers' => new external_multiple_structure(
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new external_single_structure(
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array(
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'id' => new external_value(PARAM_INT, 'User ID'),
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'fullname' => new external_value(PARAM_NOTAGS, 'User full name'),
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'profileimageurl' => new external_value(PARAM_URL, 'User picture URL', VALUE_OPTIONAL),
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'profileimageurlsmall' => new external_value(PARAM_URL, 'Small user picture URL', VALUE_OPTIONAL),
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'unread' => new external_value(PARAM_INT, 'Unread message count')
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)
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),
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'List of users that are not in the user\'s contact list but have sent a message'
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)
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)
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);
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}
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/**
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* Search contacts parameters description.
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*
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* @return external_function_parameters
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* @since 2.5
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*/
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public static function search_contacts_parameters() {
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return new external_function_parameters(
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array(
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'searchtext' => new external_value(PARAM_CLEAN, 'String the user\'s fullname has to match to be found'),
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'onlymycourses' => new external_value(PARAM_BOOL, 'Limit search to the user\'s courses',
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VALUE_DEFAULT, false)
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)
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);
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}
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/**
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* Search contacts.
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*
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* @param string $searchtext query string.
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* @param bool $onlymycourses limit the search to the user's courses only.
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* @return external_description
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* @since 2.5
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*/
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public static function search_contacts($searchtext, $onlymycourses = false) {
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global $CFG, $USER;
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require_once($CFG->libdir . '/enrollib.php');
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$params = array('searchtext' => $searchtext, 'onlymycourses' => $onlymycourses);
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$params = self::validate_parameters(self::search_contacts_parameters(), $params);
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// Extra validation, we do not allow empty queries.
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if ($params['searchtext'] === '') {
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throw new moodle_exception('querystringcannotbeempty');
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}
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$courseids = array();
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if ($params['onlymycourses']) {
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$mycourses = enrol_get_my_courses(array('id'));
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foreach ($mycourses as $mycourse) {
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$courseids[] = $mycourse->id;
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}
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} else {
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$courseids[] = SITEID;
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}
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// Retrieving the users matching the query.
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$users = message_search_users($courseids, $params['searchtext']);
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$results = array();
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foreach ($users as $user) {
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$results[$user->id] = $user;
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}
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// Reorganising information.
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foreach ($results as &$user) {
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$newuser = array(
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'id' => $user->id,
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'fullname' => fullname($user)
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);
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// Avoid undefined property notice as phone not specified.
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$user->phone1 = null;
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|
$user->phone2 = null;
|
|
|
|
// Try to get the user picture, but sometimes this method can return null.
|
|
$userdetails = user_get_user_details($user, null, array('profileimageurl', 'profileimageurlsmall'));
|
|
if (!empty($userdetails)) {
|
|
$newuser['profileimageurl'] = $userdetails['profileimageurl'];
|
|
$newuser['profileimageurlsmall'] = $userdetails['profileimageurlsmall'];
|
|
}
|
|
|
|
$user = $newuser;
|
|
}
|
|
|
|
return $results;
|
|
}
|
|
|
|
/**
|
|
* Search contacts return description.
|
|
*
|
|
* @return external_description
|
|
* @since 2.5
|
|
*/
|
|
public static function search_contacts_returns() {
|
|
return new external_multiple_structure(
|
|
new external_single_structure(
|
|
array(
|
|
'id' => new external_value(PARAM_INT, 'User ID'),
|
|
'fullname' => new external_value(PARAM_NOTAGS, 'User full name'),
|
|
'profileimageurl' => new external_value(PARAM_URL, 'User picture URL', VALUE_OPTIONAL),
|
|
'profileimageurlsmall' => new external_value(PARAM_URL, 'Small user picture URL', VALUE_OPTIONAL)
|
|
)
|
|
),
|
|
'List of contacts'
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Deprecated message external functions
|
|
*
|
|
* @package core_message
|
|
* @copyright 2011 Jerome Mouneyrac
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
* @since Moodle 2.1
|
|
* @deprecated Moodle 2.2 MDL-29106 - Please do not use this class any more.
|
|
* @todo MDL-31194 This will be deleted in Moodle 2.5.
|
|
* @see core_notes_external
|
|
*/
|
|
class moodle_message_external extends external_api {
|
|
|
|
/**
|
|
* Returns description of method parameters
|
|
*
|
|
* @return external_function_parameters
|
|
* @since Moodle 2.1
|
|
* @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
|
|
* @todo MDL-31194 This will be deleted in Moodle 2.5.
|
|
* @see core_message_external::send_instant_messages_parameters()
|
|
*/
|
|
public static function send_instantmessages_parameters() {
|
|
return core_message_external::send_instant_messages_parameters();
|
|
}
|
|
|
|
/**
|
|
* Send private messages from the current USER to other users
|
|
*
|
|
* @param array $messages An array of message to send.
|
|
* @return array
|
|
* @since Moodle 2.1
|
|
* @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
|
|
* @todo MDL-31194 This will be deleted in Moodle 2.5.
|
|
* @see core_message_external::send_instant_messages()
|
|
*/
|
|
public static function send_instantmessages($messages = array()) {
|
|
return core_message_external::send_instant_messages($messages);
|
|
}
|
|
|
|
/**
|
|
* Returns description of method result value
|
|
*
|
|
* @return external_description
|
|
* @since Moodle 2.1
|
|
* @deprecated Moodle 2.2 MDL-29106 - Please do not call this function any more.
|
|
* @todo MDL-31194 This will be deleted in Moodle 2.5.
|
|
* @see core_message_external::send_instant_messages_returns()
|
|
*/
|
|
public static function send_instantmessages_returns() {
|
|
return core_message_external::send_instant_messages_returns();
|
|
}
|
|
|
|
}
|