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

app/Models/PlatformOrder.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class PlatformOrder extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'merchant_id', 'plan_id', 'site_subscription_id', 'created_by_admin_id', 'order_no', 'order_type', 'status',
+        'payment_status', 'payment_channel', 'plan_name', 'billing_cycle', 'period_months', 'quantity', 'list_amount',
+        'discount_amount', 'payable_amount', 'paid_amount', 'placed_at', 'paid_at', 'activated_at', 'cancelled_at',
+        'refunded_at', 'plan_snapshot', 'meta', 'remark',
+    ];
+
+    protected $casts = [
+        'list_amount' => 'decimal:2',
+        'discount_amount' => 'decimal:2',
+        'payable_amount' => 'decimal:2',
+        'paid_amount' => 'decimal:2',
+        'placed_at' => 'datetime',
+        'paid_at' => 'datetime',
+        'activated_at' => 'datetime',
+        'cancelled_at' => 'datetime',
+        'refunded_at' => 'datetime',
+        'plan_snapshot' => 'array',
+        'meta' => 'array',
+    ];
+
+    public function merchant(): BelongsTo
+    {
+        return $this->belongsTo(Merchant::class, 'merchant_id');
+    }
+
+    public function plan(): BelongsTo
+    {
+        return $this->belongsTo(Plan::class);
+    }
+
+    public function siteSubscription(): BelongsTo
+    {
+        return $this->belongsTo(SiteSubscription::class);
+    }
+
+    public function creator(): BelongsTo
+    {
+        return $this->belongsTo(Admin::class, 'created_by_admin_id');
+    }
+}