BookStack/app/helpers.php

142 lines
4.0 KiB
PHP

<?php
use BookStack\Ownable;
/**
* Get the path to a versioned file.
*
* @param string $file
* @return string
* @throws Exception
*/
function versioned_asset($file = '')
{
// Don't require css and JS assets for testing
if (config('app.env') === 'testing') return '';
static $manifest = null;
$manifestPath = 'build/manifest.json';
if (is_null($manifest) && file_exists($manifestPath)) {
$manifest = json_decode(file_get_contents(public_path($manifestPath)), true);
} else if (!file_exists($manifestPath)) {
if (config('app.env') !== 'production') {
$path = public_path($manifestPath);
$error = "No {$path} file found, Ensure you have built the css/js assets using gulp.";
} else {
$error = "No {$manifestPath} file found, Ensure you are using the release version of BookStack";
}
throw new \Exception($error);
}
if (isset($manifest[$file])) {
return baseUrl($manifest[$file]);
}
throw new InvalidArgumentException("File {$file} not defined in asset manifest.");
}
/**
* Check if the current user has a permission.
* If an ownable element is passed in the jointPermissions are checked against
* that particular item.
* @param $permission
* @param Ownable $ownable
* @return mixed
*/
function userCan($permission, Ownable $ownable = null)
{
if ($ownable === null) {
return auth()->user() && auth()->user()->can($permission);
}
// Check permission on ownable item
$permissionService = app(\BookStack\Services\PermissionService::class);
return $permissionService->checkOwnableUserAccess($ownable, $permission);
}
/**
* Helper to access system settings.
* @param $key
* @param bool $default
* @return mixed
*/
function setting($key, $default = false)
{
$settingService = app('BookStack\Services\SettingService');
return $settingService->get($key, $default);
}
/**
* Helper to create url's relative to the applications root path.
* @param string $path
* @param bool $forceAppDomain
* @return string
*/
function baseUrl($path, $forceAppDomain = false)
{
$isFullUrl = strpos($path, 'http') === 0;
if ($isFullUrl && !$forceAppDomain) return $path;
$path = trim($path, '/');
if ($isFullUrl && $forceAppDomain) {
$explodedPath = explode('/', $path);
$path = implode('/', array_splice($explodedPath, 3));
}
return rtrim(config('app.url'), '/') . '/' . $path;
}
/**
* Get an instance of the redirector.
* Overrides the default laravel redirect helper.
* Ensures it redirects even when the app is in a subdirectory.
*
* @param string|null $to
* @param int $status
* @param array $headers
* @param bool $secure
* @return \Illuminate\Routing\Redirector|\Illuminate\Http\RedirectResponse
*/
function redirect($to = null, $status = 302, $headers = [], $secure = null)
{
if (is_null($to)) {
return app('redirect');
}
$to = baseUrl($to);
return app('redirect')->to($to, $status, $headers, $secure);
}
/**
* Generate a url with multiple parameters for sorting purposes.
* Works out the logic to set the correct sorting direction
* Discards empty parameters and allows overriding.
* @param $path
* @param array $data
* @param array $overrideData
* @return string
*/
function sortUrl($path, $data, $overrideData = [])
{
$queryStringSections = [];
$queryData = array_merge($data, $overrideData);
// Change sorting direction is already sorted on current attribute
if (isset($overrideData['sort']) && $overrideData['sort'] === $data['sort']) {
$queryData['order'] = ($data['order'] === 'asc') ? 'desc' : 'asc';
} else {
$queryData['order'] = 'asc';
}
foreach ($queryData as $name => $value) {
$trimmedVal = trim($value);
if ($trimmedVal === '') continue;
$queryStringSections[] = urlencode($name) . '=' . urlencode($trimmedVal);
}
if (count($queryStringSections) === 0) return $path;
return baseUrl($path . '?' . implode('&', $queryStringSections));
}