微信BUG修改

Gemfile

@@ -24,7 +24,7 @@ gem 'rubyzip'
 gem 'delayed_job_active_record'#, :group => :production
 gem 'daemons'
 gem 'grape', '~> 0.9.0'
-gem 'grape-entity', '= 0.4.5'
+gem 'grape-entity'
 gem 'rack-cors', :require => 'rack/cors'
 gem 'seems_rateable', '~> 1.0.13'
 gem 'rails', '~> 3.2'

config/initializers/10-patches.rb

@@ -175,3 +175,42 @@ module ActionController
     end
   end
 end
+
+module Grape
+  class Entity
+    def self.expose(*args, &block)
+      options = merge_options(args.last.is_a?(Hash) ? args.pop : {})
+
+      if args.size > 1
+        fail ArgumentError, 'You may not use the :as option on multi-attribute exposures.' if options[:as]
+        fail ArgumentError, 'You may not use block-setting on multi-attribute exposures.' if block_given?
+      end
+
+      fail ArgumentError, 'You may not use block-setting when also using format_with' if block_given? && options[:format_with].respond_to?(:call)
+
+      options[:proc] = block if block_given? && block.parameters.any?
+
+      @nested_attributes ||= []
+
+      args.each do |attribute|
+        unless @nested_attributes.empty?
+          orig_attribute = attribute.to_sym
+          attribute = "#{@nested_attributes.last}__#{attribute}"
+          nested_attribute_names_hash[attribute.to_sym] = orig_attribute
+          options[:nested] = true
+          nested_exposures_hash[@nested_attributes.last.to_sym] ||= {}
+          nested_exposures_hash[@nested_attributes.last.to_sym][attribute.to_sym] = options
+        end
+
+        exposures[attribute.to_sym] = options
+
+        # Nested exposures are given in a block with no parameters.
+        if block_given? && block.parameters.empty?
+          @nested_attributes << attribute
+          block.call
+          @nested_attributes.pop
+        end
+      end
+    end
+  end
+end