From 0ffac3149537ec697b73f864a0ef2b7c201227c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E9=9D=99?= <lym125@gmail.com>
Date: Thu, 16 Dec 2021 17:28:06 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E8=AE=A2=E5=8D=95=E7=8A=B6?=
 =?UTF-8?q?=E6=80=81=E7=AD=9B=E9=80=89?=
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---
 app/Endpoint/Api/Filters/OrderFilter.php |   9 +-
 app/Models/Order.php                     | 102 ++++++++++++++++++++++-
 2 files changed, 104 insertions(+), 7 deletions(-)

diff --git a/app/Endpoint/Api/Filters/OrderFilter.php b/app/Endpoint/Api/Filters/OrderFilter.php
index 69692ee3..b638dca7 100644
--- a/app/Endpoint/Api/Filters/OrderFilter.php
+++ b/app/Endpoint/Api/Filters/OrderFilter.php
@@ -2,7 +2,6 @@
 
 namespace App\Endpoint\Api\Filters;
 
-use App\Models\Order;
 use EloquentFilter\ModelFilter;
 
 class OrderFilter extends ModelFilter
@@ -11,19 +10,19 @@ class OrderFilter extends ModelFilter
     {
         switch ($status) {
             case 'pending':
-                $this->where('status', Order::STATUS_PENDING);
+                $this->pending();
                 break;
 
             case 'unreceived':
-                $this->where('status', [Order::STATUS_PAID, Order::STATUS_SHIPPED]);
+                $this->unreceived();
                 break;
 
             case 'completed':
-                $this->where('status', Order::STATUS_COMPLETED);
+                $this->completed();
                 break;
 
             case 'cancelled':
-                $this->where('status', Order::STATUS_CANCELLED);
+                $this->cancelled();
                 break;
         }
     }
diff --git a/app/Models/Order.php b/app/Models/Order.php
index 41f6b63b..d0b820e3 100644
--- a/app/Models/Order.php
+++ b/app/Models/Order.php
@@ -33,6 +33,7 @@ class Order extends Model
      */
     protected $casts = [
         'completed_at' => 'datetime',
+        'status' => 'int',
     ];
 
     /**
@@ -70,6 +71,65 @@ class Order extends Model
         self::PAY_WAY_BALANCE => '余额',
     ];
 
+    /**
+     * 仅查询已过期的订单
+     *
+     * @param \Illuminate\Database\Eloquent\Builder $query
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function scopeExpired($query)
+    {
+        return $query->where('status', static::STATUS_PENDING)
+                    ->where('created_at', '<=', now()->subSeconds(static::expiresAt()));
+    }
+
+    /**
+     * 仅查询待付款的订单
+     *
+     * @param \Illuminate\Database\Eloquent\Builder $query
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function scopePending($query)
+    {
+        return $query->where('status', static::STATUS_PENDING)
+                    ->where('created_at', '>', now()->subSeconds(static::expiresAt()));
+    }
+
+    /**
+     * 仅查询待收货的订单
+     *
+     * @param \Illuminate\Database\Eloquent\Builder $query
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function scopeUnreceived($query)
+    {
+        return $query->where('status', [static::STATUS_PAID, static::STATUS_SHIPPED]);
+    }
+
+    /**
+     * 仅查询已完成的订单
+     *
+     * @param \Illuminate\Database\Eloquent\Builder $query
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function scopeCompleted($query)
+    {
+        return $query->where('status', static::STATUS_COMPLETED);
+    }
+
+    /**
+     * 仅查询已取消的订单
+     *
+     * @param \Illuminate\Database\Eloquent\Builder $query
+     * @return \Illuminate\Database\Eloquent\Builder
+     */
+    public function scopeCancelled($query)
+    {
+        return $query->where(function ($query) {
+            $query->expired();
+        })->orWhere('status', static::STATUS_CANCELLED);
+    }
+
     /**
      * 属于此订单的商品
      */
@@ -98,6 +158,32 @@ class Order extends Model
         return in_array($this->status, [static::STATUS_PENDING, static::STATUS_PAID]);
     }
 
+    /**
+     * 确认此订单是否是待付款
+     *
+     * @return bool
+     */
+    public function isPending(): bool
+    {
+        return $this->status === static::STATUS_PENDING;
+    }
+
+    /**
+     * 获取订单券优惠金额
+     *
+     * @return int
+     */
+    public function getStatusAttribute()
+    {
+        if ($this->attributes['status'] === static::STATUS_PENDING
+            && $this->created_at->lte(now()->subSeconds(static::expiresAt()))
+        ) {
+            return static::STATUS_CANCELLED;
+        }
+
+        return $this->attributes['status'];
+    }
+
     /**
      * 获取订单券优惠金额
      *
@@ -165,8 +251,20 @@ class Order extends Model
      */
     public function getExpiresAtAttribute()
     {
-        // todo 待支付订单过期时间
+        if (! $this->isPending()) {
+            return 0;
+        }
 
-        return 3600;
+        return 1800;
+    }
+
+    /**
+     * 待付款订单的过期时间（单位：秒）
+     *
+     * @return int
+     */
+    public static function expiresAt(): int
+    {
+        return 1800;
     }
 }