添加商品分区模型

app/Models/ProductPart.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class ProductPart extends Model
+{
+    use Concerns\HasShowable;
+    use HasFactory;
+
+    /**
+     * @var array
+     */
+    protected $attributes = [
+        'is_show' => false,
+    ];
+
+    /**
+     * @var array
+     */
+    protected $fillable = [
+        'key',
+        'name',
+        'is_show',
+    ];
+
+    /**
+     * @var array
+     */
+    protected $casts = [
+        'is_show' => 'bool',
+    ];
+
+    /**
+     * 属于此分区的商品
+     */
+    public function skus()
+    {
+        return $this->belongsToMany(ProductSku::class, ProductPartSku::class, 'part_id', 'sku_id');
+    }
+}

app/Models/ProductPartSku.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Models;
+
+use EloquentFilter\Filterable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class ProductPartSku extends Model
+{
+    use Filterable;
+    use HasFactory;
+
+    /**
+     * @var string
+     */
+    protected $table = 'product_part_sku';
+
+    /**
+     * @var array
+     */
+    protected $attributes = [
+        'sort' => 0,
+    ];
+
+    /**
+     * @var array
+     */
+    protected $fillable = [
+        'part_id',
+        'sku_id',
+        'sort',
+    ];
+
+    /**
+     * 此分区商品所属的SKU
+     */
+    public function sku()
+    {
+        return $this->belongsTo(ProductSku::class, 'sku_id');
+    }
+
+    /**
+     * 此分区商品所属的分区
+     */
+    public function part()
+    {
+        return $this->belongsTo(ProductPart::class, 'part_id');
+    }
+}

app/Models/ProductSku.php

@@ -13,6 +13,9 @@ class ProductSku extends Model
     use Filterable;
     use HasDateTimeFormatter;
 
+    /**
+     * @var array
+     */
     protected $casts = [
         'images' => JsonArray::class,
         'sell_price' => Price::class,
@@ -46,4 +49,31 @@ class ProductSku extends Model
         'sales',
         'release_at',
     ];
+
+    /**
+     * 仅查询已上架的商品
+     *
+     * @param \Illuminate\Database\Eloquent\Builder $query
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function scopeIsRelease($query)
+    {
+        return $query->whereNotNull('release_at');
+    }
+
+    /**
+     * 此商品所属的分类
+     */
+    public function category()
+    {
+        return $this->belongsTo(ProductCategory::class, 'category_id');
+    }
+
+    /**
+     * 此商品所属的分区
+     */
+    public function parts()
+    {
+        return $this->belongsToMany(ProductPart::class, ProductPartSku::class, 'sku_id', 'part_id');
+    }
 }

database/migrations/2021_11_26_151606_create_product_parts_table.php

@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateProductPartsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('product_parts', function (Blueprint $table) {
+            $table->id();
+            $table->string('key')->unique()->comment('分区KEY');
+            $table->string('name')->comment('名称');
+            $table->boolean('is_show')->default(false)->comment('是否显示：0 不显示，1 显示');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('product_parts');
+    }
+}

database/migrations/2021_11_26_153548_create_product_part_sku_table.php

@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateProductPartSkuTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('product_part_sku', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('part_id')->constrained('product_parts')->onDelete('cascade')->comment('分区 ID');
+            $table->foreignId('sku_id')->constrained('product_skus')->onDelete('cascade')->comment('商品 ID');
+            $table->integer('sort')->default(0)->comment('排序');
+            $table->timestamps();
+
+            $table->unique(['part_id', 'sku_id']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('product_part_sku');
+    }
+}

database/seeders/DatabaseSeeder.php

@@ -13,6 +13,8 @@ class DatabaseSeeder extends Seeder
      */
     public function run()
     {
-        // \App\Models\User::factory(10)->create();
+        $this->call([
+            ProductPartSeeder::class,
+        ]);
     }
 }

database/seeders/ProductPartSeeder.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Models\ProductPart;
+use Illuminate\Database\Seeder;
+
+class ProductPartSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     *
+     * @return void
+     */
+    public function run()
+    {
+        foreach ([
+            'recommend' => [
+                'name' => '精品推荐',
+                'is_show' => true,
+            ],
+        ] as $key => $values) {
+            ProductPart::firstOrCreate(['key' => $key], $values);
+        }
+    }
+}