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<?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 functions
*
* @package message_airnotifier
* @category external
* @copyright 2012 Jerome Mouneyrac <jerome@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 2.7
*/
defined('MOODLE_INTERNAL') || die;
require_once("$CFG->libdir/externallib.php");
/**
* External API for airnotifier web services
*
* @package message_airnotifier
* @category external
* @copyright 2012 Jerome Mouneyrac <jerome@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 2.7
*/
class message_airnotifier_external extends external_api {
/**
* Returns description of method parameters
*
* @since Moodle 2.7
*/
public static function is_system_configured_parameters() {
return new external_function_parameters(
array()
);
}
/**
* Tests whether the airnotifier settings have been configured
*
* @since Moodle 2.7
*/
public static function is_system_configured() {
global $DB;
// First, check if the plugin is disabled.
$processor = $DB->get_record('message_processors', array('name' => 'airnotifier'), '*', MUST_EXIST);
if (!$processor->enabled) {
return 0;
}
// Then, check if the plugin is completly configured.
$manager = new message_airnotifier_manager();
return (int) $manager->is_system_configured();
}
/**
* Returns description of method result value
*
* @return external_single_structure
* @since Moodle 2.7
*/
public static function is_system_configured_returns() {
return new external_value( PARAM_INT, '0 if the system is not configured, 1 otherwise');
}
/**
* Returns description of method parameters
*
* @since Moodle 2.7
*/
public static function are_notification_preferences_configured_parameters() {
return new external_function_parameters(
array(
'userids' => new external_multiple_structure(new external_value(PARAM_INT, 'user ID')),
)
);
}
/**
* Check if the users have notification preferences configured for the airnotifier plugin
*
* @param array $userids Array of user ids
* @since Moodle 2.7
*/
public static function are_notification_preferences_configured($userids) {
global $CFG, $USER, $DB;
require_once($CFG->dirroot . '/message/lib.php');
$params = self::validate_parameters(self::are_notification_preferences_configured_parameters(),
array('userids' => $userids));
list($sqluserids, $params) = $DB->get_in_or_equal($params['userids'], SQL_PARAMS_NAMED);
$uselect = ', ' . context_helper::get_preload_record_columns_sql('ctx');
$ujoin = "LEFT JOIN {context} ctx ON (ctx.instanceid = u.id AND ctx.contextlevel = :contextlevel)";
$params['contextlevel'] = CONTEXT_USER;
$usersql = "SELECT u.* $uselect
FROM {user} u $ujoin
WHERE u.id $sqluserids";
$users = $DB->get_recordset_sql($usersql, $params);
$result = array(
'users' => array(),
'warnings' => array()
);
$hasuserupdatecap = has_capability('moodle/user:update', context_system::instance());
foreach ($users as $user) {
$currentuser = ($user->id == $USER->id);
if ($currentuser or $hasuserupdatecap) {
if (!empty($user->deleted)) {
$warning = array();
$warning['item'] = 'user';
$warning['itemid'] = $user->id;
$warning['warningcode'] = '1';
$warning['message'] = "User $user->id was deleted";
$result['warnings'][] = $warning;
continue;
}
$preferences = array();
$preferences['userid'] = $user->id;
$preferences['configured'] = 0;
// Now we get for all the providers and all the states
// the user preferences to check if at least one is enabled for airnotifier plugin.
$providers = message_get_providers_for_user($user->id);
$configured = false;
foreach ($providers as $provider) {
if ($configured) {
break;
}
foreach (array('loggedin', 'loggedoff') as $state) {
$prefstocheck = array();
$prefname = 'message_provider_'.$provider->component.'_'.$provider->name.'_'.$state;
// First get forced settings.
if ($forcedpref = get_config('message', $prefname)) {
$prefstocheck = array_merge($prefstocheck, explode(',', $forcedpref));
}
// Then get user settings.
if ($userpref = get_user_preferences($prefname, '', $user->id)) {
$prefstocheck = array_merge($prefstocheck, explode(',', $userpref));
}
if (in_array('airnotifier', $prefstocheck)) {
$preferences['configured'] = 1;
$configured = true;
break;
}
}
}
$result['users'][] = $preferences;
} else if (!$hasuserupdatecap) {
$warning = array();
$warning['item'] = 'user';
$warning['itemid'] = $user->id;
$warning['warningcode'] = '2';
$warning['message'] = "You don't have permissions for view user $user->id preferences";
$result['warnings'][] = $warning;
}
}
$users->close();
return $result;
}
/**
* Returns description of method result value
*
* @return external_single_structure
* @since Moodle 2.7
*/
public static function are_notification_preferences_configured_returns() {
return new external_single_structure(
array(
'users' => new external_multiple_structure(
new external_single_structure(
array (
'userid' => new external_value(PARAM_INT, 'userid id'),
'configured' => new external_value(PARAM_INT,
'1 if the user preferences have been configured and 0 if not')
)
),
'list of preferences by user'),
'warnings' => new external_warnings()
)
);
}
/**
* Returns description of method parameters
*
* @since Moodle 3.2
*/
public static function get_user_devices_parameters() {
return new external_function_parameters(
array(
'appid' => new external_value(PARAM_NOTAGS, 'App unique id (usually a reversed domain)'),
'userid' => new external_value(PARAM_INT, 'User id, 0 for current user', VALUE_DEFAULT, 0)
)
);
}
/**
* Return the list of mobile devices that are registered in Moodle for the given user.
*
* @param string $appid app unique id (usually a reversed domain)
* @param integer $userid the user id, 0 for current user
* @return array warnings and devices
* @throws moodle_exception
* @since Moodle 3.2
*/
public static function get_user_devices($appid, $userid = 0) {
global $USER;
$params = self::validate_parameters(
self::get_user_devices_parameters(),
array(
'appid' => $appid,
'userid' => $userid,
)
);
$context = context_system::instance();
self::validate_context($context);
if (empty($params['userid'])) {
$user = $USER;
} else {
$user = core_user::get_user($params['userid'], '*', MUST_EXIST);
core_user::require_active_user($user);
// Allow only admins to retrieve other users devices.
if ($user->id != $USER->id) {
require_capability('moodle/site:config', $context);
}
}
$warnings = array();
$devices = array();
// Check if mobile notifications are enabled.
if (!self::is_system_configured()) {
$warnings[] = array(
'item' => 'user',
'itemid' => $user->id,
'warningcode' => 'systemnotconfigured',
'message' => 'Mobile notifications are not configured'
);
} else {
// We catch exceptions here because get_user_devices may try to connect to Airnotifier.
try {
$manager = new message_airnotifier_manager();
$devices = $manager->get_user_devices($appid, $user->id);
} catch (Exception $e) {
$warnings[] = array(
'item' => 'user',
'itemid' => $user->id,
'warningcode' => 'errorgettingdevices',
'message' => $e->getMessage()
);
}
}
return array(
'devices' => $devices,
'warnings' => $warnings
);
}
/**
* Returns description of method result value
*
* @return external_single_structure
* @since Moodle 3.2
*/
public static function get_user_devices_returns() {
return new external_single_structure(
array(
'devices' => new external_multiple_structure(
new external_single_structure(
array (
'id' => new external_value(PARAM_INT, 'Device id (in the message_airnotifier table)'),
'appid' => new external_value(PARAM_NOTAGS, 'The app id, something like com.moodle.moodlemobile'),
'name' => new external_value(PARAM_NOTAGS, 'The device name, \'occam\' or \'iPhone\' etc.'),
'model' => new external_value(PARAM_NOTAGS, 'The device model \'Nexus4\' or \'iPad1,1\' etc.'),
'platform' => new external_value(PARAM_NOTAGS, 'The device platform \'iOS\' or \'Android\' etc.'),
'version' => new external_value(PARAM_NOTAGS, 'The device version \'6.1.2\' or \'4.2.2\' etc.'),
'pushid' => new external_value(PARAM_RAW, 'The device PUSH token/key/identifier/registration id'),
'uuid' => new external_value(PARAM_RAW, 'The device UUID'),
'enable' => new external_value(PARAM_INT, 'Whether the device is enabled or not'),
'timecreated' => new external_value(PARAM_INT, 'Time created'),
'timemodified' => new external_value(PARAM_INT, 'Time modified'),
)
),
'List of devices'
),
'warnings' => new external_warnings()
)
);
}
/**
* Returns description of method parameters
*
* @since Moodle 3.2
*/
public static function enable_device_parameters() {
return new external_function_parameters(
array(
'deviceid' => new external_value(PARAM_INT, 'The device id'),
'enable' => new external_value(PARAM_BOOL, 'True for enable the device, false otherwise')
)
);
}
/**
* Enables or disables a registered user device so it can receive Push notifications
*
* @param integer $deviceid the device id
* @param bool $enable whether to enable the device
* @return array warnings and success status
* @throws moodle_exception
* @since Moodle 3.2
*/
public static function enable_device($deviceid, $enable) {
global $USER;
$params = self::validate_parameters(
self::enable_device_parameters(),
array(
'deviceid' => $deviceid,
'enable' => $enable,
)
);
$context = context_system::instance();
self::validate_context($context);
require_capability('message/airnotifier:managedevice', $context);
if (!message_airnotifier_manager::enable_device($params['deviceid'], $params['enable'])) {
throw new moodle_exception('unknowndevice', 'message_airnotifier');
}
return array(
'success' => true,
'warnings' => array()
);
}
/**
* Returns description of method result value
*
* @return external_single_structure
* @since Moodle 3.2
*/
public static function enable_device_returns() {
return new external_single_structure(
array(
'success' => new external_value(PARAM_BOOL, 'True if success'),
'warnings' => new external_warnings()
)
);
}
}