"Can you share some guidance on how to send an array to a trait in Laravel

I've recently refactored my controller by creating a Trait and moving some methods into it:

Here is the original code in my controller (with one method):

public function edit(Product $product)
{
    $categories = Category::get();

    $main_image = $product->images()->where('main_image', 1)->first();
    if ($main_image) {
        $image = [];
        $FileUploader = new \FileUploader('other_images',[
            'uploadDir' => public_path('/uploads/product_images/'),
            'title' => 'auto'
        ]);
        $images = $FileUploader->upload();
        foreach ($images['files'] as $img) {
            ProductImage::create([
                'image' => $img['name'],
                'product_id' => $product->id,
                'main_image' => false,
            ]);
        }
    }

    $other_images = $product->images()->where('main_image', 0)->get();
    if ($other_images) {
        $images = [];
        $image[] = [
            "name"  => $main_image->image,
            "type"  => \FileUploader::mime_content_type($main_image->image_path),
            "size"  => filesize('uploads/product_images/' . $main_image['image']),
            "file"  => $main_image->image_path,
            "local" => $main_image->image_path,
            'data' => [
                "id"  => $main_image->id,
            ],
        ];
    }

    return view('merchant.product.update',compact(
        'product',
        'categories',
        'image',
        'images'
    ));
}

After implementing the Trait:

public function edit(Product $product)
{
    $categories = Category::get();

    $main_image = $product->images()->where('main_image', 1)->first();

    if ($main_image) {
        $image = [];
        $this->ShowMainImage($main_image, $image);
    }

    $other_images = $product->images()->where('main_image', 0)->get();

    if ($other_images) {
        $images = [];
        $this->ShowOtherImages($other_images,$images);
    }

    return view('merchant.product.update',compact(
        'product',
        'categories',
        'image',
        'images'
    ));
}

The Trait I created:

trait ProductTrait{

    public function ShowMainImage($main_image,$image)
    {
        $image[] = [
            "name"  => $main_image->image,
            "type"  => \FileUploader::mime_content_type($main_image->image_path),
            "size"  => filesize('uploads/product_images/' . $main_image['image']),
            "file"  => $main_image->image_path,
            "local" => $main_image->image_path,
            'data' => [
                "id"  => $main_image->id,
            ],
        ];
    }

    public function ShowOtherImages($other_images,$images)
    {
        foreach ($other_images as $image) {
            $images[] = [
                "name"  => $image->image,
                "type"  => \FileUploader::mime_content_type($image->image_path),
                "size"  => filesize('uploads/product_images/' . $image['image']),
                "file"  => $image->image_path,
                "local"  => $image->image_path,
                'data' => [
                    "id"  => $image->id,
                ],
            ];
        }
    }

}

The first version works fine, but the second one is encountering issues with the arrays $image and $images

How can I pass an empty array to the Trait and receive back the populated data array?

Answer №1

When handling image and images, make sure to return them instead of just sending them out. You can achieve this by modifying your Trait methods to return image and images as shown below:

public function edit(Product $product)
{
   $categories = Category::get();

   $main_image = $product->images()->where('main_image', 1)->first();

   if ($main_image) {
       $image = $this->ShowMainImage($main_image);;
   }

   $other_images = $product->images()->where('main_image', 0)->get();

   if ($other_images) {
      $images = $this->ShowOtherImages($other_images);
  }

  return view('merchant.product.update',compact(
    'product',
    'categories',
    'image',
    'images'
   ));
}

Ensure that your trait is structured like this:

trait ProductTrait{

public function ShowMainImage($main_image)
{
    return [
        "name"  => $main_image->image,
        "type"  => \FileUploader::mime_content_type($main_image->image_path),
        "size"  => filesize('uploads/product_images/' . $main_image['image']),
        "file"  => $main_image->image_path,
        "local" => $main_image->image_path,
        'data' => [
            "id"  => $main_image->id,
        ],
    ];
}

public function ShowOtherImages($other_images)
{
   $images = [];
    foreach ($other_images as $image) {
        $images[] = [
            "name"  => $image->image,
            "type"  => \FileUploader::mime_content_type($image->image_path),
            "size"  => filesize('uploads/product_images/' . $image['image']),
            "file"  => $image->image_path,
            "local"  => $image->image_path,
            'data'  => [
                "id"  => $image->id,
            ],
        ];
    }

   return $images;
}
}

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