优化模型属性转换

app/Casts/JsonArray.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Casts;
+
+use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
+
+class JsonArray implements CastsAttributes
+{
+    /**
+     * Cast the given value.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string  $key
+     * @param  mixed  $value
+     * @param  array  $attributes
+     * @return mixed
+     */
+    public function get($model, string $key, $value, array $attributes)
+    {
+        $value = json_decode($value);
+
+        return is_array($value) ? $value : [];
+    }
+
+    /**
+     * Prepare the given value for storage.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string  $key
+     * @param  mixed  $value
+     * @param  array  $attributes
+     * @return mixed
+     */
+    public function set($model, string $key, $value, array $attributes)
+    {
+        if (! is_array($value)) {
+            $value = [];
+        }
+
+        return json_encode($value);
+    }
+}

app/Casts/Price.php

@@ -4,7 +4,7 @@ namespace App\Casts;
 
 use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
 
-class PriceAttributes implements CastsAttributes
+class Price implements CastsAttributes
 {
     /**
      * Cast the given value.

app/Models/ProductAttr.php

@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Casts\JsonArray;
 use Dcat\Admin\Traits\HasDateTimeFormatter;
 
 use Illuminate\Database\Eloquent\Model;
@@ -12,7 +13,7 @@ class ProductAttr extends Model
     protected $table = 'product_attrs';
 
     protected $casts = [
-        'attrs'=> 'array',
+        'attrs'=> JsonArray::class,
     ];
 
     public function group()

app/Models/ProductSpec.php

@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Casts\JsonArray;
 use Dcat\Admin\Traits\HasDateTimeFormatter;
 
 use Illuminate\Database\Eloquent\Model;
@@ -12,6 +13,6 @@ class ProductSpec extends Model
     protected $table = 'product_specs';
 
     protected $casts = [
-        'items' => 'array',
+        'items' => JsonArray::class,
     ];
 }

app/Models/ProductSpu.php

@@ -2,9 +2,9 @@
 
 namespace App\Models;
 
-use App\Casts\PriceAttributes;
+use App\Casts\JsonArray;
+use App\Casts\Price;
 use Dcat\Admin\Traits\HasDateTimeFormatter;
-
 use Illuminate\Database\Eloquent\Model;
 
 class ProductSpu extends Model
@@ -13,9 +13,12 @@ class ProductSpu extends Model
     protected $table = 'product_spus';
 
     protected $casts = [
-        'sell_price'=>PriceAttributes::class,
-        'market_price'=>PriceAttributes::class,
-        'cost_price'=>PriceAttributes::class,
-        'user_price'=>PriceAttributes::class,
+        'images' => JsonArray::class,
+        'sell_price' => Price::class,
+        'market_price' => Price::class,
+        'cost_price' => Price::class,
+        'user_price' => Price::class,
+        'attrs' => JsonArray::class,
+        'is_sell' => 'bool',
     ];
 }