json_parser.rb in rest-api-client-0.1.10

- old
+ new

@@ -12,15 +12,15 @@
       if json_response.kind_of?(Hash) && json_response.has_key?('data')
         json_data = json_response['data']
       end
 
       if json_data.kind_of?(Array)
-        return json_data.map { |data| data_type.new data } if data_type
+        return json_data.map { |data| self.build_instance data_type, data } if data_type
         return json_data unless json_data.empty?
 
       elsif json_data.kind_of?(Hash)
-        return data_type.new json_data if data_type
+        return self.build_instance data_type, json_data if data_type
         return json_data unless json_data.empty?
 
       else
         return json_data
       end
@@ -29,6 +29,35 @@
     rescue Exception => e
       return (opts[:default_return] || nil)
     end
   end
 
+  private
+
+  # Set the instance attributes values.
+  # If the instance have associations, the value of these associations will be an empty object, or an object with his id
+  # when the instance data contains a "object_id" key 
+  def self.build_instance(data_type, instance_data)
+    instance = data_type.new
+    instance_data.each do |key, value|
+
+      begin
+        if key.end_with? '_id'
+          key_without_id = key.gsub('_id', '')
+          if instance.respond_to?(key_without_id)
+            key = key_without_id
+            value = Object::const_get("#{data_type.parent}::" + key_without_id.camelize).new(:id => value)
+          end
+        end
+
+        if value.is_a?(Hash)
+          value = Object::const_get("#{data_type.parent}::" + key.camelize).new(value)
+        end
+      rescue Exception => e
+        # ignored
+      end
+
+      instance.instance_variable_set("@#{key}", value)
+    end
+    instance
+  end
 end