Issue uses StateMachine now

app/helpers/issues_helper.rb

@@ -6,7 +6,7 @@ module IssuesHelper
 
   def issue_css_classes issue
     classes = "issue"
-    classes << " closed" if issue.closed
+    classes << " closed" if issue.closed?
     classes << " today" if issue.today?
     classes
   end

app/models/issue.rb

@@ -9,7 +9,7 @@
 #  project_id   :integer
 #  created_at   :datetime         not null
 #  updated_at   :datetime         not null
-#  closed       :boolean          default(FALSE), not null
+#  state        :string           default(FALSE), not null
 #  position     :integer          default(0)
 #  branch_name  :string(255)
 #  description  :text
@@ -19,11 +19,29 @@
 class Issue < ActiveRecord::Base
   include Issuable
 
-  attr_accessible :title, :assignee_id, :closed, :position, :description,
-                  :milestone_id, :label_list, :author_id_of_changes
+  attr_accessible :title, :assignee_id, :position, :description,
+                  :milestone_id, :label_list, :author_id_of_changes,
+                  :state_event
 
   acts_as_taggable_on :labels
 
+  state_machine :state, :initial => :opened do
+    event :close do
+      transition [:reopened, :opened] => :closed
+    end
+
+    event :reopen do
+      transition :closed => :reopened
+    end
+
+    state :opened
+
+    state :reopened
+
+    state :closed
+  end
+
+
   def self.open_for(user)
     opened.assigned(user)
   end

app/models/project.rb

@@ -43,7 +43,7 @@ class Project < ActiveRecord::Base
 
   has_many :events,             dependent: :destroy
   has_many :merge_requests,     dependent: :destroy
-  has_many :issues,             dependent: :destroy, order: "closed, created_at DESC"
+  has_many :issues,             dependent: :destroy, order: "state, created_at DESC"
   has_many :milestones,         dependent: :destroy
   has_many :users_projects,     dependent: :destroy
   has_many :notes,              dependent: :destroy

app/observers/issue_observer.rb

@@ -7,22 +7,31 @@ class IssueObserver < ActiveRecord::Observer
     end
   end
 
-  def after_update(issue)
+  def after_close(issue, transition)
     send_reassigned_email(issue) if issue.is_being_reassigned?
 
-    status = nil
-    status = 'closed' if issue.is_being_closed?
-    status = 'reopened' if issue.is_being_reopened?
-    if status
-      Note.create_status_change_note(issue, current_user, status)
-      [issue.author, issue.assignee].compact.each do |recipient|
-        Notify.delay.issue_status_changed_email(recipient.id, issue.id, status, current_user.id)
-      end
-    end
+    create_note(issue)
+  end
+
+  def after_reopen(issue, transition)
+    send_reassigned_email(issue) if issue.is_being_reassigned?
+
+    create_note(issue)
+  end
+
+  def after_update(issue)
+    send_reassigned_email(issue) if issue.is_being_reassigned?
   end
 
   protected
 
+  def create_note(issue)
+    Note.create_status_change_note(issue, current_user, issue.state)
+    [issue.author, issue.assignee].compact.each do |recipient|
+      Notify.delay.issue_status_changed_email(recipient.id, issue.id, issue.state, current_user.id)
+    end
+  end
+
   def send_reassigned_email(issue)
     recipient_ids = [issue.assignee_id, issue.assignee_id_was].keep_if {|id| id && id != current_user.id }
 

app/views/issues/_show.html.haml

@@ -8,10 +8,10 @@
         %i.icon-comment
         = issue.notes.count
     - if can? current_user, :modify_issue, issue
-      - if issue.closed
-        = link_to 'Reopen', project_issue_path(issue.project, issue, issue: {closed: false }, status_only: true), method: :put,  class: "btn btn-small grouped reopen_issue", remote: true
+      - if issue.closed?
+        = link_to 'Reopen', project_issue_path(issue.project, issue, issue: {state: :reopened }, status_only: true), method: :put,  class: "btn btn-small grouped reopen_issue", remote: true
       - else
-        = link_to 'Close', project_issue_path(issue.project, issue, issue: {closed: true }, status_only: true), method: :put, class: "btn btn-small grouped close_issue", remote: true
+        = link_to 'Close', project_issue_path(issue.project, issue, issue: {state: :closed }, status_only: true), method: :put, class: "btn btn-small grouped close_issue", remote: true
       = link_to edit_project_issue_path(issue.project, issue), class: "btn btn-small edit-issue-link grouped" do
         %i.icon-edit
         Edit

app/views/issues/show.html.haml

@@ -7,10 +7,10 @@
 
   %span.pull-right
     - if can?(current_user, :admin_project, @project) || @issue.author == current_user
-      - if @issue.closed
-        = link_to 'Reopen', project_issue_path(@project, @issue, issue: {closed: false }, status_only: true), method: :put,  class: "btn grouped reopen_issue"
+      - if @issue.closed?
+        = link_to 'Reopen', project_issue_path(@project, @issue, issue: {state: :reopened }, status_only: true), method: :put,  class: "btn grouped reopen_issue"
       - else
-        = link_to 'Close', project_issue_path(@project, @issue, issue: {closed: true }, status_only: true), method: :put, class: "btn grouped close_issue", title: "Close Issue"
+        = link_to 'Close', project_issue_path(@project, @issue, issue: {state: :closed }, status_only: true), method: :put, class: "btn grouped close_issue", title: "Close Issue"
     - if can?(current_user, :admin_project, @project) || @issue.author == current_user
       = link_to edit_project_issue_path(@project, @issue), class: "btn grouped" do
         %i.icon-edit
@@ -27,7 +27,7 @@
 .ui-box.ui-box-show
   .ui-box-head
     %h4.box-title
-      - if @issue.closed
+      - if @issue.closed?
         .error.status_info Closed
       = gfm escape_once(@issue.title)