integration_moodle/lib/Service/MoodleAPIService.php
Julien Veyssier 60c91bdc67
phpstormify
Signed-off-by: Julien Veyssier <eneiluj@posteo.net>
2021-06-24 13:48:09 +02:00

349 lines
9.7 KiB
PHP

<?php
/**
* Nextcloud - moodle
*
* This file is licensed under the Affero General Public License version 3 or
* later. See the COPYING file.
*
* @author Julien Veyssier
* @copyright Julien Veyssier 2020
*/
namespace OCA\Moodle\Service;
use Exception;
use OCP\IL10N;
use Psr\Log\LoggerInterface;
use OCP\Http\Client\IClientService;
class MoodleAPIService {
/**
* @var string
*/
private $appName;
/**
* @var LoggerInterface
*/
private $logger;
/**
* @var IL10N
*/
private $l10n;
/**
* @var \OCP\Http\Client\IClient
*/
private $client;
/**
* Service to make requests to Moodle v1 API
*/
public function __construct (string $appName,
LoggerInterface $logger,
IL10N $l10n,
IClientService $clientService) {
$this->appName = $appName;
$this->logger = $logger;
$this->l10n = $l10n;
$this->client = $clientService->newClient();
}
/**
* @param string $url
* @param string $accessToken
* @param bool $checkSsl
* @param ?int $recentSince
* @return array
*/
public function getNotifications(string $url, string $accessToken, bool $checkSsl, ?int $recentSince): array {
$params = [
'wstoken' => $accessToken,
'wsfunction' => 'block_recentlyaccesseditems_get_recent_items',
'moodlewsrestformat' => 'json',
];
$recentItems = $this->request($url, 'webservice/rest/server.php', $checkSsl, $params);
if (isset($recentItems['error'])) {
return $recentItems;
}
// sort recent items by date DESC
usort($recentItems, function($a, $b) {
$ta = $a['timeaccess'] ?? 0;
$tb = $b['timeaccess'] ?? 0;
return ($ta > $tb) ? -1 : 1;
});
// get courses and set 'time'
$courseIds = [];
$recents = [];
foreach ($recentItems as $k => $recentItem) {
if (isset($recentItem['courseid']) && !in_array($recentItem['courseid'], $courseIds)) {
$courseIds[] = $recentItem['courseid'];
}
$recent = $recentItem;
$recent['time'] = $recentItem['timeaccess'] ?? 0;
$recent['type'] = 'recent';
$recents[] = $recent;
}
// get upcoming events
$upcomingEvents = [];
foreach ($courseIds as $courseId) {
$params['wsfunction'] = 'core_calendar_get_calendar_upcoming_view';
$params['courseid'] = $courseId;
$oneRes = $this->request($url, 'webservice/rest/server.php', $checkSsl, $params);
if (!isset($oneRes['error']) && isset($oneRes['events'])) {
$upcomingEvents = array_merge($upcomingEvents, $oneRes['events']);
}
}
// sort upcoming events by date ASC
usort($upcomingEvents, function($a, $b) {
$ta = $a['timestart'] ?? 0;
$tb = $b['timestart'] ?? 0;
return ($ta < $tb) ? -1 : 1;
});
foreach ($upcomingEvents as $k => $upcomingEvent) {
$upcomingEvents[$k]['time'] = $upcomingEvent['timestart'] ?? 0;
$upcomingEvents[$k]['type'] = 'event';
}
// filter by date
if (!is_null($recentSince)) {
$recents = array_filter($recents, function($elem) use ($recentSince) {
$ts = intval($elem['time']);
return $ts > $recentSince;
});
}
return [
'recents' => array_values($recents),
'events' => array_values($upcomingEvents)
];
}
/**
* @param string $url
* @param string $accessToken
* @param bool $checkSsl
* @param string $query
* @param int $offset
* @param int $limit
* @return array
*/
public function searchCourses(string $url, string $accessToken, bool $checkSsl, string $query, int $offset = 0, int $limit = 5): array {
$params = [
'wstoken' => $accessToken,
'wsfunction' => 'core_course_search_courses',
'moodlewsrestformat' => 'json',
'criterianame' => 'search',
'criteriavalue' => $query,
];
$searchResult = $this->request($url, 'webservice/rest/server.php', $checkSsl, $params);
if ($searchResult['exception'] || $searchResult['error']) {
return $searchResult;
}
return array_slice($searchResult['courses'], $offset, $limit);
}
public function searchModules(string $url, string $accessToken, bool $checkSsl, string $query, ?int $offset = 0, ?int $limit = 5): array {
$query = strtolower($query);
$params = [
'wstoken' => $accessToken,
'wsfunction' => 'core_course_search_courses',
'moodlewsrestformat' => 'json',
'criterianame' => 'search',
'criteriavalue' => '',
];
$courses = $this->request($url, 'webservice/rest/server.php', $checkSsl, $params);
if ($courses['exception'] || $courses['error']) {
return $courses;
}
$modules = [];
foreach ($courses['courses'] as $course) {
$params = [
'wstoken' => $accessToken,
'wsfunction' => 'core_course_get_contents',
'moodlewsrestformat' => 'json',
'courseid' => $course['id'],
];
$sections = $this->request($url, 'webservice/rest/server.php', $checkSsl, $params);
if ($sections['exception'] || $sections['error']) {
return $sections;
}
foreach ($sections as $ks => $section) {
foreach ($section['modules'] as $km => $module) {
$moduleName = strtolower($module['name']);
if (strpos($moduleName, $query) !== false) {
$module['section_name'] = $section['name'];
$module['course_name'] = $course['displayname'];
$modules[] = $module;
if (count($modules) >= ($offset + $limit)) {
return array_slice($modules, $offset, $limit);
}
}
}
}
}
return array_slice($modules, $offset, $limit);
}
/**
* @param string $url
* @param string $accessToken
* @param bool $checkSsl
* @param string $query
* @param int $offset
* @param int $limit
* @return array
*/
public function searchUpcoming(string $url, string $accessToken, bool $checkSsl, string $query, int $offset = 0, int $limit = 5): array {
$query = strtolower($query);
$params = [
'wstoken' => $accessToken,
'wsfunction' => 'core_course_search_courses',
'moodlewsrestformat' => 'json',
'criterianame' => 'search',
'criteriavalue' => '',
];
$courses = $this->request($url, 'webservice/rest/server.php', $checkSsl, $params);
if ($courses['exception'] || $courses['error']) {
return $courses;
}
$upcomings = [];
foreach ($courses['courses'] as $course) {
$params = [
'wstoken' => $accessToken,
'wsfunction' => 'core_calendar_get_calendar_upcoming_view',
'moodlewsrestformat' => 'json',
'courseid' => $course['id'],
];
$results = $this->request($url, 'webservice/rest/server.php', $checkSsl, $params);
if ($results['exception'] || $results['error']) {
return $results;
}
foreach ($results['events'] as $k => $upcoming) {
$upcomingName = strtolower($upcoming['name']);
if (strpos($upcomingName, $query) !== false) {
$upcoming['course_name'] = $course['displayname'];
$upcomings[] = $upcoming;
if (count($upcomings) >= ($offset + $limit)) {
return array_slice($upcomings, $offset, $limit);
}
}
}
}
return array_slice($upcomings, $offset, $limit);
}
/**
* @param string $url
* @param bool $checkSsl
* @return string
* @throws Exception
*/
public function getMoodleAvatar(string $url, bool $checkSsl): string {
if ($checkSsl) {
$rawResult = $this->client->get($url)->getBody();
} else {
$rawResult = $this->client->get($url, ['verify' => false])->getBody();
}
$success = preg_match('/<svg.*/', $rawResult, $matches);
//$result = $success === 1 ? $this->getBase64Svg($matches[0]) : $rawResult;
if ($success === 1) {
$result = '<?xml version="1.0"?>' . $matches[0];
//$result = $this->getBase64Svg($result);
} else {
$result = $rawResult;
}
//error_log('RESult['.$success.'] '.$result);
return $result;
}
private function getBase64Svg(string $svgString): string {
return 'data:image/svg+xml;base64,' . base64_encode($svgString);
}
/**
* @param string $url
* @param string $endPoint
* @param bool $checkSsl
* @param array $params
* @param string $method
* @return array
*/
public function request(string $url, string $endPoint, bool $checkSsl = true, array $params = [], string $method = 'GET'): array {
try {
$url = $url . '/' . $endPoint;
$options = [
'headers' => [
'User-Agent' => 'Nextcloud Moodle integration',
]
];
if (!$checkSsl) {
$options['verify'] = false;
}
if (count($params) > 0) {
if ($method === 'GET') {
// manage array parameters
$paramsContent = '';
foreach ($params as $key => $value) {
if (is_array($value)) {
foreach ($value as $oneArrayValue) {
$paramsContent .= $key . '[]=' . urlencode($oneArrayValue) . '&';
}
unset($params[$key]);
}
}
$paramsContent .= http_build_query($params);
$url .= '?' . $paramsContent;
} else {
$options['body'] = $params;
}
}
if ($method === 'GET') {
$response = $this->client->get($url, $options);
} else if ($method === 'POST') {
$response = $this->client->post($url, $options);
} else if ($method === 'PUT') {
$response = $this->client->put($url, $options);
} else if ($method === 'DELETE') {
$response = $this->client->delete($url, $options);
} else {
return ['error' => $this->l10n->t('Bad HTTP method')];
}
$body = $response->getBody();
$respCode = $response->getStatusCode();
if ($respCode >= 400) {
return ['error' => $this->l10n->t('Bad credentials')];
} else {
return json_decode($body, true);
}
} catch (Exception $e) {
$this->logger->warning('Moodle API error : '.$e, array('app' => $this->appName));
return ['error' => $e->getMessage()];
}
}
/**
* @param string $moodleUrl
* @param string $login
* @param string $password
* @param bool $checkSsl
* @return array
*/
public function getToken(string $moodleUrl, string $login, string $password, bool $checkSsl): array {
$params = [
'username' => $login,
'password' => $password,
'service' => 'moodle_mobile_app',
];
return $this->request($moodleUrl, 'login/token.php', $checkSsl, $params, 'POST');
}
}