修复导入时subtitle丢失的问题。

fix: #325

Controller/MessageSettingsViewModel.swift

@@ -43,25 +43,9 @@ class MessageSettingsViewModel: ViewModel, ViewModelType {
                 }
                 try? realm.write {
                     for message in arr {
-                        guard let id = message["id"].string else {
+                        guard let messageObject = Message(json: message) else {
                             continue
                         }
-                        guard let createDate = message["createDate"].int64 else {
-                            continue
-                        }
-
-                        let title = message["title"].string
-                        let body = message["body"].string
-                        let url = message["url"].string
-                        let group = message["group"].string
-
-                        let messageObject = Message()
-                        messageObject.id = id
-                        messageObject.title = title
-                        messageObject.body = body
-                        messageObject.url = url
-                        messageObject.group = group
-                        messageObject.createDate = Date(timeIntervalSince1970: TimeInterval(createDate))
                         realm.add(messageObject, update: .modified)
                     }
                 }

Model/Message.swift

@@ -7,6 +7,7 @@
 //
 
 import RealmSwift
+import SwiftyJSON
 import UIKit
 
 class Message: Object {
@@ -26,4 +27,23 @@ class Message: Object {
     override class func indexedProperties() -> [String] {
         return ["group", "createDate"]
     }
+
+    /// 从 JSON 初始化
+    convenience init?(json: JSON) {
+        self.init()
+        guard let id = json["id"].string else {
+            return nil
+        }
+        guard let createDate = json["createDate"].int64 else {
+            return nil
+        }
+        self.id = id
+        self.title = json["title"].string
+        self.subtitle = json["subtitle"].string
+        self.body = json["body"].string
+        self.url = json["url"].string
+        self.image = json["image"].string
+        self.group = json["group"].string
+        self.createDate = Date(timeIntervalSince1970: TimeInterval(createDate))
+    }
 }