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Merged branch 'MDL-27566-wip' of git://github.com/mouneyrac/moodle.gi…
…t with changes and conflict resolution for MDL-27566
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| <?php | ||
|
|
||
| // This file is part of Moodle - http://moodle.org/ | ||
| // | ||
| // Moodle is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // Moodle is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with Moodle. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| /** | ||
| * External message API | ||
| * | ||
| * @package moodlecore | ||
| * @subpackage message | ||
| * @copyright 2011 Moodle Pty Ltd (http://moodle.com) | ||
| * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| */ | ||
| require_once("$CFG->libdir/externallib.php"); | ||
|
|
||
| class moodle_message_external extends external_api { | ||
|
|
||
| /** | ||
| * Returns description of method parameters | ||
| * @return external_function_parameters | ||
| */ | ||
| public static function send_messages_parameters() { | ||
| return new external_function_parameters( | ||
| array( | ||
| 'messages' => new external_multiple_structure( | ||
| new external_single_structure( | ||
| array( | ||
| 'touserid' => new external_value(PARAM_INT, 'id of the user to send the private message'), | ||
| 'text' => new external_value(PARAM_RAW, 'the text of the message - not that you can send anything it will be automatically cleaned to PARAM_TEXT and used againt MOODLE_FORMAT'), | ||
| '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), | ||
| ) | ||
| ) | ||
| ) | ||
| ) | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * Send private messages from the current USER to other users | ||
| * | ||
| * @param $messages An array of message to send. | ||
| * @return boolean | ||
| */ | ||
| public static function send_messages($messages = array()) { | ||
| global $CFG, $USER, $DB; | ||
| require_once($CFG->dirroot . "/message/lib.php"); | ||
|
|
||
| //check if messaging is enabled | ||
| if (!$CFG->messaging) { | ||
| throw new moodle_exception('disabled', 'message'); | ||
| } | ||
|
|
||
| // Ensure the current user is allowed to run this function | ||
| $context = get_context_instance(CONTEXT_SYSTEM); | ||
| self::validate_context($context); | ||
| require_capability('moodle/site:sendmessage', $context); | ||
|
|
||
| $params = self::validate_parameters(self::send_messages_parameters(), array('messages' => $messages)); | ||
|
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||
| //retrieve all tousers of the messages | ||
| $touserids = array(); | ||
| foreach($params['messages'] as $message) { | ||
| $touserids[] = $message['touserid']; | ||
| } | ||
| list($sqluserids, $sqlparams) = $DB->get_in_or_equal($touserids, SQL_PARAMS_NAMED, 'userid_'); | ||
| $tousers = $DB->get_records_select("user", "id " . $sqluserids . " AND deleted = 0", $sqlparams); | ||
|
|
||
| //retrieve the tousers who are blocking the $USER | ||
| $sqlparams['contactid'] = $USER->id; | ||
| $sqlparams['blocked'] = 1; | ||
| //Note: return userid field should be unique for the below request, | ||
| //so we'll use this field as key of $blockingcontacts | ||
| $blockingcontacts = $DB->get_records_select("message_contacts", | ||
| "userid " . $sqluserids . " AND contactid = :contactid AND blocked = :blocked", | ||
| $sqlparams, '', "userid"); | ||
|
|
||
| $canreadallmessages = has_capability('moodle/site:readallmessages', $context); | ||
|
|
||
| $resultmessages = array(); | ||
| foreach ($params['messages'] as $message) { | ||
| $text = clean_param($message['text'], PARAM_TEXT); | ||
| $resultmsg = array(); //the infos about the success of the operation | ||
|
|
||
| //we are going to do some checking | ||
| //code should match /messages/index.php checks | ||
| $success = true; | ||
|
|
||
| //check the user exists | ||
| if (empty($tousers[$message['touserid']])) { | ||
| $success = false; | ||
| $errormessage = get_string('touserdoesntexist', 'message', $message['touserid']); | ||
| } | ||
|
|
||
| //check that the touser is not blocking the current user | ||
| if ($success and isset($blockingcontacts[$message['touserid']]) and !$canreadallmessages) { | ||
| $success = false; | ||
| $errormessage = get_string('userisblockingyou', 'message'); | ||
| } | ||
|
|
||
| // Check if the user is a contact | ||
| //TODO: performance improvement - edit the function so we can pass an array instead userid | ||
| if ($success && empty($contact) && !empty(get_user_preferences('message_blocknoncontacts', NULL, $message['touserid']))) { | ||
| // The user isn't a contact and they have selected to block non contacts so this message won't be sent. | ||
| $success = false; | ||
| $errormessage = get_string('userisblockingyounoncontact', 'message'); | ||
| } | ||
|
|
||
| //now we can send the message (at least try) | ||
| if ($success) { | ||
| //TODO: performance improvement - edit the function so we can pass an array instead one touser object | ||
| $success = message_post_message($USER, $tousers[$message['touserid']], $text, FORMAT_MOODLE); | ||
| } | ||
|
|
||
| //build the resultmsg | ||
| if (isset($message['clientmsgid'])) { | ||
| $resultmsg['clientmsgid'] = $message['clientmsgid']; | ||
| } | ||
| if ($success) { | ||
| $resultmsg['msgid'] = $success; | ||
| } else { | ||
| $resultmsg['msgid'] = -1; | ||
| $resultmsg['errormessage'] = $errormessage; | ||
| } | ||
|
|
||
| $resultmessages[] = $resultmsg; | ||
| } | ||
|
|
||
| return $resultmessages; | ||
| } | ||
|
|
||
| /** | ||
| * Returns description of method result value | ||
| * @return external_description | ||
| */ | ||
| public static function send_messages_returns() { | ||
| return new external_multiple_structure( | ||
| new external_single_structure( | ||
| array( | ||
| 'clientmsgid' => new external_value(PARAM_ALPHANUMEXT, 'your own id for the message', VALUE_OPTIONAL), | ||
| 'msgid' => new external_value(PARAM_INT, 'test this to know if it succeeds: id of the created message if it succeeded, -1 when failed'), | ||
| 'errormessage' => new external_value(PARAM_TEXT, 'error message - if it failed', VALUE_OPTIONAL) | ||
| ) | ||
| ) | ||
| ); | ||
| } | ||
|
|
||
| } |
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