BookStack/app/Http/Controllers/SettingController.php

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<?php namespace BookStack\Http\Controllers;
use BookStack\Uploads\ImageService;
use Illuminate\Http\Request;
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use Illuminate\Http\Response;
use Setting;
class SettingController extends Controller
{
/**
* Display a listing of the settings.
* @return Response
*/
public function index()
{
$this->checkPermission('settings-manage');
$this->setPageTitle(trans('settings.settings'));
// Get application version
$version = trim(file_get_contents(base_path('version')));
return view('settings/index', ['version' => $version]);
}
/**
* Update the specified settings in storage.
* @param Request $request
* @return Response
*/
public function update(Request $request)
{
$this->preventAccessForDemoUsers();
$this->checkPermission('settings-manage');
// Cycles through posted settings and update them
foreach ($request->all() as $name => $value) {
if (strpos($name, 'setting-') !== 0) {
continue;
}
$key = str_replace('setting-', '', trim($name));
Setting::put($key, $value);
}
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session()->flash('success', trans('settings.settings_save_success'));
return redirect('/settings');
}
/**
* Show the page for application maintenance.
* @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
*/
public function showMaintenance()
{
$this->checkPermission('settings-manage');
$this->setPageTitle(trans('settings.maint'));
// Get application version
$version = trim(file_get_contents(base_path('version')));
return view('settings/maintenance', ['version' => $version]);
}
/**
* Action to clean-up images in the system.
* @param Request $request
* @param ImageService $imageService
* @return \Illuminate\Http\RedirectResponse|\Illuminate\Routing\Redirector
*/
public function cleanupImages(Request $request, ImageService $imageService)
{
$this->checkPermission('settings-manage');
$checkRevisions = !($request->get('ignore_revisions', 'false') === 'true');
$dryRun = !($request->has('confirm'));
$imagesToDelete = $imageService->deleteUnusedImages($checkRevisions, $dryRun);
$deleteCount = count($imagesToDelete);
if ($deleteCount === 0) {
session()->flash('warning', trans('settings.maint_image_cleanup_nothing_found'));
return redirect('/settings/maintenance')->withInput();
}
if ($dryRun) {
session()->flash('cleanup-images-warning', trans('settings.maint_image_cleanup_warning', ['count' => $deleteCount]));
} else {
session()->flash('success', trans('settings.maint_image_cleanup_success', ['count' => $deleteCount]));
}
return redirect('/settings/maintenance#image-cleanup')->withInput();
}
}