first commit

app/Models/Traits/HasArea.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Models\Traits;
+
+use App\Models\ChinaArea;
+
+trait HasArea
+{
+
+    public function province()
+    {
+        return $this->belongsTo(ChinaArea::class, 'province_id', 'code');
+    }
+
+    public function city()
+    {
+        return $this->belongsTo(ChinaArea::class, 'city_id', 'code');
+    }
+
+    public function area()
+    {
+        return $this->belongsTo(ChinaArea::class, 'area_id', 'code');
+    }
+
+    public function getFullAddressAttribute()
+    {
+        $address = $this->province->name . ' ';
+        $address .= $this->city->name . ' ';
+        $address .= $this->area->name . ' ';
+        $address .= $this->address;
+
+        return $address;
+    }
+}