Refactor aim modeling for nested models (policies and access keys)

lib/fog/aws/models/iam/access_keys.rb

@@ -6,27 +6,19 @@ module Fog
     class IAM
 
       class AccessKeys < Fog::Collection
-        attribute :user
-        attribute :filters
-        
-        
+    
         model Fog::AWS::IAM::AccessKey
         
-        def initialize(attributes)
-          self.filters ||= {}
-          if attributes[:user]
-            filters[:identifier] = attributes[:user].id
-          else
-            raise ArgumentError.new("Can't get a user's access_key without a user.id")
-          end
+        def initialize(attributes = {})
+          @username = attributes[:username]
+          raise ArgumentError.new("Can't get an access_key's user without a username") unless @username
           super
         end
         
-
         def all 
-          data = connection.list_access_keys('UserName'=> filters[:identifier]).body['AccessKeys']
+          data = connection.list_access_keys('UserName'=> @username).body['AccessKeys']
           # AWS response doesn't contain the UserName, this injects it
-          data.each {|access_key| access_key['UserName'] = filters[:identifier] }
+          data.each {|access_key| access_key['UserName'] = @username }
           load(data)
         end
 
@@ -35,11 +27,7 @@ module Fog
         end
         
         def new(attributes = {})
-          if user
-            super({ :username => user.id }.merge!(attributes))
-          else
-            super
-          end
+          super({ :username => @username }.merge!(attributes))
         end
 
       end

lib/fog/aws/models/iam/policies.rb

@@ -6,19 +6,12 @@ module Fog
     class IAM
 
       class Policies < Fog::Collection
-        attribute :user
-        attribute :filters
-        
-        
+                
         model Fog::AWS::IAM::Policy
         
-        def initialize(attributes)
-          self.filters ||= {}
-          if attributes[:user]
-            filters[:identifier] = attributes[:user].id
-          else
-            raise ArgumentError.new("Can't get a policy's user without a user.id")
-          end
+        def initialize(attributes = {})
+          @username = attributes[:username]
+          raise ArgumentError.new("Can't get a policy's user without a username") unless @username
           super
         end
         
@@ -26,29 +19,25 @@ module Fog
         def all
           # AWS method get_user_policy only returns an array of policy names, this is kind of useless, 
           # that's why it has to loop through the list to get the details of each element. I don't like it because it makes this method slow
-          policy_names = connection.list_user_policies(filters[:identifier]).body['PolicyNames'] # it returns an array
+          policy_names = connection.list_user_policies(@username).body['PolicyNames'] # it returns an array
           policies = []
           policy_names.each do |policy_name|
-            policies << connection.get_user_policy(policy_name,filters[:identifier]).body
+            policies << connection.get_user_policy(policy_name,@username).body
           end
           load(policies) # data is an array of attribute hashes
         end
 
         def get(identity)
-          data = connection.get_user_policy(identity,filters[:identifier]).body
+          data = connection.get_user_policy(identity,@username).body
           new(data) # data is an attribute hash
         rescue Fog::AWS::IAM::NotFound
           nil
         end
         
         def new(attributes = {})
-          if user
-            super({ :username => user.id }.merge!(attributes))
-          else
-            super
-          end
+          super({ :username => @username }.merge!(attributes))
         end
-
+        
       end
     end
   end

lib/fog/aws/models/iam/policy.rb

@@ -33,17 +33,6 @@ module Fog
           connection.users.get(username)
         end
         
-        # Converts attributes to a parameter hash suitable for requests
-#        def attributes_to_params
-#          options = {
-#            'PolicyName'      => id,
-#            'UserName'        => username,
-#            'PolicyDocument'  => document
-#          }
-#
-#          options.delete_if {|key, value| value.nil?}
-#        end
-        
       end
     end
   end

lib/fog/aws/models/iam/user.rb

@@ -13,7 +13,6 @@ module Fog
         
         def save
           requires :id
-
           data = connection.create_user(id).body['User']
           merge_attributes(data)
           true
@@ -27,24 +26,13 @@ module Fog
         
         def policies
           requires :id
-          connection.policies(:user => self)
+          connection.policies(:username => id)
         end
         
         def access_keys
           requires :id
-          connection.access_keys(:user => self)
+          connection.access_keys(:username => id)
         end
-#        # Converts attributes to a parameter hash suitable for requests
-#        def attributes_to_params
-#          options = {
-#            'UserName' => id,
-#            'Path'     => path,
-#            'Arn'      => arn,
-#            'UserId'   => user_id
-#          }
-#
-#          options.delete_if {|key, value| value.nil?}
-#        end
         
       end
     end