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Part 16 - Customizing Views & Controllers in Voyager
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‎app/CategoryProduct.php‎

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class CategoryProduct extends Model
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{
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protected $table = 'category_product';
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protected $fillable = ['product_id', 'category_id'];
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}

‎app/Http/Controllers/Voyager/ProductsController.php‎

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<?php
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namespace App\Http\Controllers\Voyager;
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use App\Product;
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use App\Category;
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use App\CategoryProduct;
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use Illuminate\Http\Request;
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use TCG\Voyager\Facades\Voyager;
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use Illuminate\Support\Facades\DB;
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use TCG\Voyager\Events\BreadDataAdded;
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use Illuminate\Database\Eloquent\Model;
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use TCG\Voyager\Events\BreadDataDeleted;
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use TCG\Voyager\Events\BreadDataUpdated;
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use TCG\Voyager\Events\BreadImagesDeleted;
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use TCG\Voyager\Database\Schema\SchemaManager;
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use TCG\Voyager\Http\Controllers\VoyagerBreadController;
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use TCG\Voyager\Http\Controllers\Traits\BreadRelationshipParser;
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class ProductsController extends VoyagerBreadController
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{
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use BreadRelationshipParser;
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//***************************************
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// ____
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// | _ \
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// | |_) |
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// | _ <
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// | |_) |
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// |____/
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//
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// Browse our Data Type (B)READ
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//
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//****************************************
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public function index(Request $request)
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{
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// GET THE SLUG, ex. 'posts', 'pages', etc.
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$slug = $this->getSlug($request);
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// GET THE DataType based on the slug
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$dataType = Voyager::model('DataType')->where('slug', '=', $slug)->first();
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// Check permission
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$this->authorize('browse', app($dataType->model_name));
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$getter = $dataType->server_side ? 'paginate' : 'get';
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$search = (object) ['value' => $request->get('s'), 'key' => $request->get('key'), 'filter' => $request->get('filter')];
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$searchable = $dataType->server_side ? array_keys(SchemaManager::describeTable(app($dataType->model_name)->getTable())->toArray()) : '';
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$orderBy = $request->get('order_by');
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$sortOrder = $request->get('sort_order', null);
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// Next Get or Paginate the actual content from the MODEL that corresponds to the slug DataType
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if (strlen($dataType->model_name) != 0) {
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$model = app($dataType->model_name);
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$query = $model::select('*');
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$relationships = $this->getRelationships($dataType);
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// If a column has a relationship associated with it, we do not want to show that field
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$this->removeRelationshipField($dataType, 'browse');
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if ($search->value && $search->key && $search->filter) {
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$search_filter = ($search->filter == 'equals') ? '=' : 'LIKE';
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$search_value = ($search->filter == 'equals') ? $search->value : '%'.$search->value.'%';
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$query->where($search->key, $search_filter, $search_value);
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}
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if ($orderBy && in_array($orderBy, $dataType->fields())) {
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$querySortOrder = (!empty($sortOrder)) ? $sortOrder : 'DESC';
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$dataTypeContent = call_user_func([
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$query->with($relationships)->orderBy($orderBy, $querySortOrder),
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$getter,
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]);
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} elseif ($model->timestamps) {
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$dataTypeContent = call_user_func([$query->latest($model::CREATED_AT), $getter]);
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} else {
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$dataTypeContent = call_user_func([$query->with($relationships)->orderBy($model->getKeyName(), 'DESC'), $getter]);
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}
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// Replace relationships' keys for labels and create READ links if a slug is provided.
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$dataTypeContent = $this->resolveRelations($dataTypeContent, $dataType);
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} else {
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// If Model doesn't exist, get data from table name
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$dataTypeContent = call_user_func([DB::table($dataType->name), $getter]);
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$model = false;
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}
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// Check if BREAD is Translatable
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if (($isModelTranslatable = is_bread_translatable($model))) {
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$dataTypeContent->load('translations');
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}
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// Check if server side pagination is enabled
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$isServerSide = isset($dataType->server_side) && $dataType->server_side;
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$view = 'voyager::bread.browse';
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if (view()->exists("voyager::$slug.browse")) {
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$view = "voyager::$slug.browse";
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}
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return Voyager::view($view, compact(
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'dataType',
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'dataTypeContent',
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'isModelTranslatable',
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'search',
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'orderBy',
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'sortOrder',
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'searchable',
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'isServerSide'
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));
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}
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//***************************************
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// ______
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// | ____|
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// | |__
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// | __|
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// | |____
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// |______|
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//
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// Edit an item of our Data Type BR(E)AD
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//
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//****************************************
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public function edit(Request $request, $id)
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{
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$slug = $this->getSlug($request);
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$dataType = Voyager::model('DataType')->where('slug', '=', $slug)->first();
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// Compatibility with Model binding.
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$id = $id instanceof Model ? $id->{$id->getKeyName()} : $id;
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$relationships = $this->getRelationships($dataType);
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$dataTypeContent = (strlen($dataType->model_name) != 0)
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? app($dataType->model_name)->with($relationships)->findOrFail($id)
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: DB::table($dataType->name)->where('id', $id)->first(); // If Model doest exist, get data from table name
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foreach ($dataType->editRows as $key => $row) {
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$details = json_decode($row->details);
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$dataType->editRows[$key]['col_width'] = isset($details->width) ? $details->width : 100;
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}
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// If a column has a relationship associated with it, we do not want to show that field
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$this->removeRelationshipField($dataType, 'edit');
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// Check permission
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$this->authorize('edit', $dataTypeContent);
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// Check if BREAD is Translatable
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$isModelTranslatable = is_bread_translatable($dataTypeContent);
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$view = 'voyager::bread.edit-add';
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if (view()->exists("voyager::$slug.edit-add")) {
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$view = "voyager::$slug.edit-add";
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}
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$allCategories = Category::all();
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$product = Product::find($id);
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$categoriesForProduct = $product->categories()->get();
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return Voyager::view($view, compact('dataType', 'dataTypeContent', 'isModelTranslatable', 'allCategories', 'categoriesForProduct'));
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}
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// POST BR(E)AD
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public function update(Request $request, $id)
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{
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$slug = $this->getSlug($request);
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$dataType = Voyager::model('DataType')->where('slug', '=', $slug)->first();
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// Compatibility with Model binding.
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$id = $id instanceof Model ? $id->{$id->getKeyName()} : $id;
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$data = call_user_func([$dataType->model_name, 'findOrFail'], $id);
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// Check permission
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$this->authorize('edit', $data);
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// Validate fields with ajax
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$val = $this->validateBread($request->all(), $dataType->editRows);
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if ($val->fails()) {
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return response()->json(['errors' => $val->messages()]);
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}
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if (!$request->ajax()) {
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$requestNew = $request;
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$requestNew['price'] = $request->price * 100;
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$this->insertUpdateData($requestNew, $slug, $dataType->editRows, $data);
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event(new BreadDataUpdated($dataType, $data));
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CategoryProduct::where('product_id', $id)->delete();
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// Re-insert if there's at least one category checked
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$this->updateProductCategories($request, $id);
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return redirect()
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->route("voyager.{$dataType->slug}.index")
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->with([
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'message' => __('voyager.generic.successfully_updated')." {$dataType->display_name_singular}",
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'alert-type' => 'success',
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]);
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}
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}
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//***************************************
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//
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// /\
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// / \
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// / /\ \
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// / ____ \
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// /_/ \_\
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//
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//
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// Add a new item of our Data Type BRE(A)D
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//
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//****************************************
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public function create(Request $request)
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{
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$slug = $this->getSlug($request);
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$dataType = Voyager::model('DataType')->where('slug', '=', $slug)->first();
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// Check permission
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$this->authorize('add', app($dataType->model_name));
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$dataTypeContent = (strlen($dataType->model_name) != 0)
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? new $dataType->model_name()
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: false;
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foreach ($dataType->addRows as $key => $row) {
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$details = json_decode($row->details);
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$dataType->addRows[$key]['col_width'] = isset($details->width) ? $details->width : 100;
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}
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// If a column has a relationship associated with it, we do not want to show that field
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$this->removeRelationshipField($dataType, 'add');
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// Check if BREAD is Translatable
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$isModelTranslatable = is_bread_translatable($dataTypeContent);
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$view = 'voyager::bread.edit-add';
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if (view()->exists("voyager::$slug.edit-add")) {
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$view = "voyager::$slug.edit-add";
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}
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$allCategories = Category::all();
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$categoriesForProduct = collect([]);
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return Voyager::view($view, compact('dataType', 'dataTypeContent', 'isModelTranslatable', 'allCategories', 'categoriesForProduct'));
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}
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/**
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* POST BRE(A)D - Store data.
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*
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* @param \Illuminate\Http\Request $request
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*
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* @return \Illuminate\Http\RedirectResponse
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*/
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public function store(Request $request)
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{
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$slug = $this->getSlug($request);
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$dataType = Voyager::model('DataType')->where('slug', '=', $slug)->first();
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// Check permission
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$this->authorize('add', app($dataType->model_name));
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// Validate fields with ajax
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$val = $this->validateBread($request->all(), $dataType->addRows);
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if ($val->fails()) {
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return response()->json(['errors' => $val->messages()]);
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}
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if (!$request->ajax()) {
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$requestNew = $request;
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$requestNew['price'] = $request->price * 100;
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$data = $this->insertUpdateData($requestNew, $slug, $dataType->addRows, new $dataType->model_name());
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event(new BreadDataAdded($dataType, $data));
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$this->updateProductCategories($request, $data->id);
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return redirect()
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->route("voyager.{$dataType->slug}.index")
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->with([
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'message' => __('voyager.generic.successfully_added_new')." {$dataType->display_name_singular}",
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'alert-type' => 'success',
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]);
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}
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}
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protected function updateProductCategories(Request $request, $id)
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{
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if ($request->category) {
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foreach ($request->category as $category) {
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CategoryProduct::create([
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'product_id' => $id,
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'category_id' => $category,
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]);
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}
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}
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}
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}

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