98 lines
2.8 KiB
PHP
98 lines
2.8 KiB
PHP
<?php
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namespace BookStack\Http\Controllers;
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use BookStack\Entities\Models\Entity;
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use BookStack\Entities\Queries\TopFavourites;
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use BookStack\Interfaces\Favouritable;
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use BookStack\Model;
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use Illuminate\Http\Request;
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class FavouriteController extends Controller
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{
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/**
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* Show a listing of all favourite items for the current user.
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*/
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public function index(Request $request)
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{
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$viewCount = 20;
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$page = intval($request->get('page', 1));
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$favourites = (new TopFavourites())->run($viewCount + 1, (($page - 1) * $viewCount));
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$hasMoreLink = ($favourites->count() > $viewCount) ? url('/favourites?page=' . ($page + 1)) : null;
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return view('common.detailed-listing-with-more', [
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'title' => trans('entities.my_favourites'),
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'entities' => $favourites->slice(0, $viewCount),
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'hasMoreLink' => $hasMoreLink,
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]);
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}
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/**
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* Add a new item as a favourite.
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*/
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public function add(Request $request)
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{
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$favouritable = $this->getValidatedModelFromRequest($request);
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$favouritable->favourites()->firstOrCreate([
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'user_id' => user()->id,
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]);
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$this->showSuccessNotification(trans('activities.favourite_add_notification', [
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'name' => $favouritable->name,
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]));
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return redirect()->back();
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}
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/**
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* Remove an item as a favourite.
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*/
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public function remove(Request $request)
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{
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$favouritable = $this->getValidatedModelFromRequest($request);
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$favouritable->favourites()->where([
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'user_id' => user()->id,
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])->delete();
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$this->showSuccessNotification(trans('activities.favourite_remove_notification', [
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'name' => $favouritable->name,
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]));
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return redirect()->back();
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}
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/**
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* @throws \Illuminate\Validation\ValidationException
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* @throws \Exception
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*/
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protected function getValidatedModelFromRequest(Request $request): Favouritable
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{
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$modelInfo = $this->validate($request, [
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'type' => 'required|string',
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'id' => 'required|integer',
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]);
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if (!class_exists($modelInfo['type'])) {
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throw new \Exception('Model not found');
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}
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/** @var Model $model */
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$model = new $modelInfo['type']();
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if (!$model instanceof Favouritable) {
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throw new \Exception('Model not favouritable');
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}
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$modelInstance = $model->newQuery()
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->where('id', '=', $modelInfo['id'])
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->first(['id', 'name']);
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$inaccessibleEntity = ($modelInstance instanceof Entity && !userCan('view', $modelInstance));
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if (is_null($modelInstance) || $inaccessibleEntity) {
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throw new \Exception('Model instance not found');
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}
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return $modelInstance;
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}
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}
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