weixin/app/Repositories/Transformers/Base/UserMessageTransformer.php

<?php

namespace App\Repositories\Transformers\Base;

use App\Repositories\Models\Base\UserMessage;
use League\Fractal\TransformerAbstract;

class UserMessageTransformer extends TransformerAbstract
{
    /**
     * Prepare data to present.
     *
     * @param UserMessage $userMessage
     * @return array
     */
    public function transform(UserMessage $userMessage)
    {
        if (request()->get('id')) {
            return [
                'id' => $userMessage->id,
                'name' => $userMessage->name,
                'type' => $userMessage->type,
                'body' => $userMessage->body,
                'user' => $userMessage->user,
                'source_id' => $userMessage->source_id,
                'source_type' => $userMessage->source_type,
                'source' => $userMessage->source,
                'is_read' => $userMessage->is_read,
                'created_at' => $userMessage->created_at ? $userMessage->created_at->format('Y-m-d H:i:s') : null,
            ];
        }
        return [
            'id' => $userMessage->id,
            'name' => $userMessage->name,
            'type' => $userMessage->type,
            'body' => $userMessage->body,
            'user' => $userMessage->user,
            'source_id' => $userMessage->source_id,
            'source_type' => $userMessage->source_type,
            'is_read' => $userMessage->is_read,
            'created_at' => $userMessage->created_at ? $userMessage->created_at->format('Y-m-d H:i:s') : null,
        ];
    }
}