BookStackApp_BookStack/app/App/helpers.php

131 lines
3.4 KiB
PHP

<?php
use BookStack\App\Model;
use BookStack\Permissions\PermissionApplicator;
use BookStack\Settings\SettingService;
use BookStack\Users\Models\User;
/**
* Get the path to a versioned file.
*
* @throws Exception
*/
function versioned_asset(string $file = ''): string
{
static $version = null;
if (is_null($version)) {
$versionFile = base_path('version');
$version = trim(file_get_contents($versionFile));
}
$additional = '';
if (config('app.env') === 'development') {
$additional = sha1_file(public_path($file));
}
$path = $file . '?version=' . urlencode($version) . $additional;
return url($path);
}
/**
* Helper method to get the current User.
* Defaults to public 'Guest' user if not logged in.
*/
function user(): User
{
return auth()->user() ?: User::getGuest();
}
/**
* Check if the current user has a permission. If an ownable element
* is passed in the jointPermissions are checked against that particular item.
*/
function userCan(string $permission, Model $ownable = null): bool
{
if ($ownable === null) {
return user()->can($permission);
}
// Check permission on ownable item
$permissions = app()->make(PermissionApplicator::class);
return $permissions->checkOwnableUserAccess($ownable, $permission);
}
/**
* Check if the current user can perform the given action on any items in the system.
* Can be provided the class name of an entity to filter ability to that specific entity type.
*/
function userCanOnAny(string $action, string $entityClass = ''): bool
{
$permissions = app()->make(PermissionApplicator::class);
return $permissions->checkUserHasEntityPermissionOnAny($action, $entityClass);
}
/**
* Helper to access system settings.
*
* @return mixed|SettingService
*/
function setting(string $key = null, $default = null)
{
$settingService = app()->make(SettingService::class);
if (is_null($key)) {
return $settingService;
}
return $settingService->get($key, $default);
}
/**
* Get a path to a theme resource.
* Returns null if a theme is not configured and
* therefore a full path is not available for use.
*/
function theme_path(string $path = ''): ?string
{
$theme = config('view.theme');
if (!$theme) {
return null;
}
return base_path('themes/' . $theme . ($path ? DIRECTORY_SEPARATOR . $path : $path));
}
/**
* 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.
*/
function sortUrl(string $path, array $data, array $overrideData = []): string
{
$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';
} elseif (isset($overrideData['sort'])) {
$queryData['order'] = 'asc';
}
foreach ($queryData as $name => $value) {
$trimmedVal = trim($value);
if ($trimmedVal === '') {
continue;
}
$queryStringSections[] = urlencode($name) . '=' . urlencode($trimmedVal);
}
if (count($queryStringSections) === 0) {
return url($path);
}
return url($path . '?' . implode('&', $queryStringSections));
}