Ignore belongs_to relations when parsing params

lib/her/model/parse.rb

@@ -34,6 +34,7 @@ def parse(data)
         def to_params(attributes, changes={})
           filtered_attributes = attributes.dup.symbolize_keys
           filtered_attributes.merge!(embeded_params(attributes))
+          filtered_attributes.except!(*associations[:belongs_to].map{ |a| a[:data_key] })
           if her_api.options[:send_only_modified_attributes]
             filtered_attributes = changes.symbolize_keys.keys.inject({}) do |hash, attribute|
               hash[attribute] = filtered_attributes[attribute]

spec/model/parse_spec.rb

@@ -342,4 +342,34 @@ def to_params
       expect(user.to_params).to eql(:user => {:first_name => 'Someone'})
     end
   end
+
+  describe "removing belongs_to associations" do
+    before do
+      Her::API.setup :url => "https://api.example.com" do |builder|
+        builder.use Her::Middleware::DefaultParseJSON
+        builder.use Faraday::Request::UrlEncoded
+      end
+
+      Her::API.default_api.connection.adapter :test do |stub|
+        stub.get("/users/1") { |env| [200, {}, { :id => 1, :first_name => "Tobias", :last_name => "Fünke", :family_id => 1 }.to_json] }
+        stub.get("/families/1") { |env| [200, {}, { :id => 1, :name => "Fünke" }.to_json ] }
+        stub.get("/families/1/users") { |env| [200, {}, [{ :id => 1, :first_name => "Tobias", :last_name => "Fünke", :family_id => 1 }].to_json] }
+      end
+
+      spawn_model "User" do
+        belongs_to :family
+      end
+
+      spawn_model "Family" do
+        has_many :users
+      end
+    end
+
+    it "should not include belongs_to relations" do
+     family = Family.find(1)
+      family_user = family.users.first
+      expect(family_user.to_params[:family]).to be_blank
+    end
+  end
+
 end