chore: init saasshop repo + sql migrations runner + gitee go

app/Models/Product.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class Product extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'merchant_id', 'category_id', 'title', 'slug', 'sku', 'summary', 'content', 'price', 'original_price', 'stock', 'status', 'images',
+    ];
+
+    protected $casts = [
+        'price' => 'decimal:2',
+        'original_price' => 'decimal:2',
+        'images' => 'array',
+    ];
+
+    public function merchant(): BelongsTo
+    {
+        return $this->belongsTo(Merchant::class, 'merchant_id');
+    }
+
+    public function category(): BelongsTo
+    {
+        return $this->belongsTo(ProductCategory::class, 'category_id');
+    }
+
+    public function orderItems(): HasMany
+    {
+        return $this->hasMany(OrderItem::class);
+    }
+
+    public function scopeForMerchant(Builder $query, int $merchantId): Builder
+    {
+        return $query->where('merchant_id', $merchantId);
+    }
+}