Dactyloidae iOS initial commit

mobile/ios/Sync/CleartextPayloadJSON.swift

@@ -0,0 +1,61 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import Foundation
+import Shared
+import SwiftyJSON
+
+open class BasePayloadJSON {
+    let json: JSON
+    required public init(_ jsonString: String) {
+        self.json = JSON(parseJSON: jsonString)
+    }
+
+    public init(_ json: JSON) {
+        self.json = json
+    }
+
+    // Override me.
+    fileprivate func isValid() -> Bool {
+        return self.json.type != .unknown &&
+               self.json.error == nil
+    }
+
+    subscript(key: String) -> JSON {
+        get {
+            return json[key]
+        }
+    }
+}
+
+/**
+ * http://docs.services.mozilla.com/sync/objectformats.html
+ * "In addition to these custom collection object structures, the
+ *  Encrypted DataObject adds fields like id and deleted."
+ */
+open class CleartextPayloadJSON: BasePayloadJSON {
+    // Override me.
+    override open func isValid() -> Bool {
+        return super.isValid() && self["id"].isString()
+    }
+
+    open var id: String {
+        return self["id"].string!
+    }
+
+    open var deleted: Bool {
+        let d = self["deleted"]
+        if let bool = d.bool {
+            return bool
+        } else {
+            return false
+        }
+    }
+
+    // Override me.
+    // Doesn't check id. Should it?
+    open func equalPayloads (_ obj: CleartextPayloadJSON) -> Bool {
+        return self.deleted == obj.deleted
+    }
+}