feat: add vip payment and member center

app/Models/User.php

@@ -197,6 +197,14 @@ class User extends Authenticatable
         return $this->vipLevel?->icon ?? '';
     }
 
+    /**
+     * 关联：当前用户的 VIP 购买订单记录
+     */
+    public function vipPaymentOrders(): HasMany
+    {
+        return $this->hasMany(VipPaymentOrder::class, 'user_id')->latest('id');
+    }
+
     // ── 职务相关关联 ──────────────────────────────────────────────────────
 
     /**

app/Models/VipLevel.php

@@ -12,11 +12,14 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
 class VipLevel extends Model
 {
+    use HasFactory;
+
     /** @var string 表名 */
     protected $table = 'vip_levels';
 

app/Models/VipPaymentOrder.php

@@ -0,0 +1,92 @@
+<?php
+
+/**
+ * 文件功能：VIP 会员支付订单模型
+ * 负责记录聊天室用户购买 VIP 时的本地订单、远端支付单号与开通结果
+ * 通过本地订单可串联下单、回调、会员开通与后台查询链路
+ */
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class VipPaymentOrder extends Model
+{
+    use HasFactory;
+
+    /** @var string 表名 */
+    protected $table = 'vip_payment_orders';
+
+    /** @var array<int, string> 可批量赋值字段 */
+    protected $fillable = [
+        'order_no',
+        'merchant_order_no',
+        'user_id',
+        'vip_level_id',
+        'status',
+        'amount',
+        'subject',
+        'payment_order_no',
+        'provider',
+        'provider_trade_no',
+        'vip_name',
+        'vip_duration_days',
+        'sync_return_payload',
+        'async_notify_payload',
+        'paid_at',
+        'opened_vip_at',
+        'meta',
+    ];
+
+    /**
+     * 属性类型转换
+     *
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'amount' => 'decimal:2',
+            'vip_duration_days' => 'integer',
+            'sync_return_payload' => 'array',
+            'async_notify_payload' => 'array',
+            'meta' => 'array',
+            'paid_at' => 'datetime',
+            'opened_vip_at' => 'datetime',
+        ];
+    }
+
+    /**
+     * 关联：支付订单所属用户
+     */
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'user_id');
+    }
+
+    /**
+     * 关联：支付订单对应的 VIP 等级
+     */
+    public function vipLevel(): BelongsTo
+    {
+        return $this->belongsTo(VipLevel::class, 'vip_level_id');
+    }
+
+    /**
+     * 判断订单是否已经完成支付
+     */
+    public function isPaid(): bool
+    {
+        return $this->status === 'paid';
+    }
+
+    /**
+     * 判断订单是否已经完成会员开通
+     */
+    public function isVipOpened(): bool
+    {
+        return $this->opened_vip_at !== null;
+    }
+}