Merge pull request #143 from RobotsandRockets/convenience

Convenience Methods

lib/parse/model.rb

@@ -1,8 +1,14 @@
 # -*- encoding : utf-8 -*-
 module Parse
   class Model < Parse::Object
-    def initialize
-      super(self.class.to_s)
+
+    def initialize(data=nil)
+      super(self.class.to_s,data)
     end
+
+    def self.find(object_id)
+      self.new Parse::Query.new(self.to_s).eq('objectId',object_id).first
+    end
+
   end
 end

lib/parse/object.rb

@@ -48,6 +48,11 @@ def new?
       self["objectId"].nil?
     end
 
+    def update_attributes(data={})
+      data.each_pair { |k,v| self[k] = v }
+      save
+    end
+
     # Write the current state of the local object to the API.
     # If the object has never been saved before, this will create
     # a new object, otherwise it will update the existing stored object.

lib/parse/query.rb

@@ -42,7 +42,13 @@ def or(query)
       self
     end
 
-    def eq(field, value)
+    def eq(hash_or_field,value=nil)
+      return eq_pair(hash_or_field,value) unless hash_or_field.is_a?(Hash)
+      hash_or_field.each_pair { |k,v| eq_pair k, v }
+      self
+    end
+
+    def eq_pair(field, value)
       add_constraint field, Parse.pointerize_value(value)
       self
     end
@@ -116,6 +122,11 @@ def where_as_json
       end
     end
 
+    def first
+      self.limit = 1
+      get.first
+    end
+
     def get
       uri   = Protocol.class_uri @class_name
       if @class_name == Parse::Protocol::CLASS_USER