5 if (!function_exists('versioned_asset')) {
7 * Get the path to a versioned file.
12 * @throws \InvalidArgumentException
14 function versioned_asset($file)
16 static $manifest = null;
18 if (is_null($manifest)) {
19 $manifest = json_decode(file_get_contents(public_path('build/manifest.json')), true);
22 if (isset($manifest[$file])) {
23 return baseUrl($manifest[$file]);
26 if (file_exists(public_path($file))) {
27 return baseUrl($file);
30 throw new InvalidArgumentException("File {$file} not defined in asset manifest.");
35 * Check if the current user has a permission.
36 * If an ownable element is passed in the jointPermissions are checked against
37 * that particular item.
39 * @param Ownable $ownable
42 function userCan($permission, Ownable $ownable = null)
44 if ($ownable === null) {
45 return auth()->user() && auth()->user()->can($permission);
48 // Check permission on ownable item
49 $permissionService = app(\BookStack\Services\PermissionService::class);
50 return $permissionService->checkOwnableUserAccess($ownable, $permission);
54 * Helper to access system settings.
56 * @param bool $default
59 function setting($key, $default = false)
61 $settingService = app('BookStack\Services\SettingService');
62 return $settingService->get($key, $default);
66 * Helper to create url's relative to the applications root path.
70 function baseUrl($path)
72 if (strpos($path, 'http') === 0) return $path;
73 $path = trim($path, '/');
74 return rtrim(config('app.url'), '/') . '/' . $path;
78 * Get an instance of the redirector.
79 * Overrides the default laravel redirect helper.
80 * Ensures it redirects even when the app is in a subdirectory.
82 * @param string|null $to
84 * @param array $headers
86 * @return \Illuminate\Routing\Redirector|\Illuminate\Http\RedirectResponse
88 function redirect($to = null, $status = 302, $headers = [], $secure = null)
91 return app('redirect');
96 return app('redirect')->to($to, $status, $headers, $secure);
100 * Generate a url with multiple parameters for sorting purposes.
101 * Works out the logic to set the correct sorting direction
102 * Discards empty parameters and allows overriding.
105 * @param array $overrideData
108 function sortUrl($path, $data, $overrideData = [])
110 $queryStringSections = [];
111 $queryData = array_merge($data, $overrideData);
113 // Change sorting direction is already sorted on current attribute
114 if (isset($overrideData['sort']) && $overrideData['sort'] === $data['sort']) {
115 $queryData['order'] = ($data['order'] === 'asc') ? 'desc' : 'asc';
117 $queryData['order'] = 'asc';
120 foreach ($queryData as $name => $value) {
121 $trimmedVal = trim($value);
122 if ($trimmedVal === '') continue;
123 $queryStringSections[] = urlencode($name) . '=' . urlencode($trimmedVal);
126 if (count($queryStringSections) === 0) return $path;
128 return baseUrl($path . '?' . implode('&', $queryStringSections));