Issue uses StateMachine now

lib/api/entities.rb

@@ -35,12 +35,11 @@ module Gitlab
     class Group < Grape::Entity
       expose :id, :name, :path, :owner_id
     end
-    
+
     class GroupDetail < Group
       expose :projects, using: Entities::Project
     end
 
-    
     class RepoObject < Grape::Entity
       expose :name, :commit
       expose :protected do |repo, options|
@@ -63,7 +62,7 @@ module Gitlab
     class Milestone < Grape::Entity
       expose :id
       expose (:project_id) {|milestone| milestone.project.id}
-      expose :title, :description, :due_date, :closed, :updated_at, :created_at
+      expose :title, :description, :due_date, :state, :updated_at, :created_at
     end
 
     class Issue < Grape::Entity
@@ -73,7 +72,7 @@ module Gitlab
       expose :label_list, as: :labels
       expose :milestone, using: Entities::Milestone
       expose :assignee, :author, using: Entities::UserBasic
-      expose :closed, :updated_at, :created_at
+      expose :state, :updated_at, :created_at
     end
 
     class SSHKey < Grape::Entity

lib/api/issues.rb

@@ -69,14 +69,14 @@ module Gitlab
       #   assignee_id (optional) - The ID of a user to assign issue
       #   milestone_id (optional) - The ID of a milestone to assign issue
       #   labels (optional) - The labels of an issue
-      #   closed (optional) - The state of an issue (0 = false, 1 = true)
+      #   state (optional) - The state of an issue (close|reopen)
       # Example Request:
       #   PUT /projects/:id/issues/:issue_id
       put ":id/issues/:issue_id" do
         @issue = user_project.issues.find(params[:issue_id])
         authorize! :modify_issue, @issue
 
-        attrs = attributes_for_keys [:title, :description, :assignee_id, :milestone_id, :closed]
+        attrs = attributes_for_keys [:title, :description, :assignee_id, :milestone_id, :state_event]
         attrs[:label_list] = params[:labels] if params[:labels].present?
         IssueObserver.current_user = current_user
         if @issue.update_attributes attrs