Allow pfgeopoints. (#59)

* Allow pfgeopoints.

Fixes #58.

Author: kajensen

Sources/ParseLiveQuery/Internal/QueryEncoder.swift

@@ -16,14 +16,36 @@ import Parse
 extension Dictionary where Key: StringLiteralConvertible, Value: AnyObject {
     init(query: PFQuery) {
         self.init()
-
         let queryState = query.valueForKey("state")
         if let className = queryState?.valueForKey("parseClassName") {
             self["className"] = className as? Value
         }
-
         if let conditions: [String:AnyObject] = queryState?.valueForKey("conditions") as? [String:AnyObject] {
-            self["where"] = conditions as? Value
+            self["where"] = conditions.encodedQueryDictionary as? Value
+        }
+    }
+}
+
+extension Dictionary where Key: StringLiteralConvertible, Value: AnyObject {
+    var encodedQueryDictionary: Dictionary {
+        var encodedQueryDictionary = Dictionary()
+        for (key, val) in self {
+            if let dict = val as? [String:AnyObject] {
+                encodedQueryDictionary[key] = dict.encodedQueryDictionary as? Value
+            } else if let geoPoint = val as? PFGeoPoint {
+                encodedQueryDictionary[key] = geoPoint.encodedDictionary as? Value
+            } else {
+                encodedQueryDictionary[key] = val
+            }
         }
+        return encodedQueryDictionary
+    }
+}
+
+extension PFGeoPoint {
+    var encodedDictionary: [String:AnyObject] {
+        return ["__type": "GeoPoint",
+                "latitude": latitude,
+                "longitude": longitude]
     }
 }