增加访问分析缓存

app/model/PostVisit.php

@@ -14,6 +14,11 @@ class PostVisit extends Model
 {
     //
 
+    protected $json = [
+        'client_os',
+        'client',
+    ];
+
     public function post()
     {
         return $this->belongsTo(Post::class, 'post_id');
@@ -55,4 +60,21 @@ class PostVisit extends Model
 
         return show_time_ago($value);
     }
+
+    public function getClientNameAttr()
+    {
+        $client = $this->getAttr('client');
+
+        return $client->name ?? '';
+    }
+
+    public function getClientOsNameAttr()
+    {
+        $client_os = $this->getAttr('client_os');
+
+        $name = $client_os->name ?? '';
+        $version = $client_os->version ?? '';
+
+        return "$name $version";
+    }
 }