1 files changed, 15 insertions, 0 deletions
diff --git a/app/models/issue.rb b/app/models/issue.rb
index 5347d4fa1be..35e08fa915b 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -16,6 +16,7 @@
 #  state         :string(255)
 #  iid           :integer
 #  updated_by_id :integer
+#  moved_to_id   :integer
 #
 
 require 'carrierwave/orm/activerecord'
@@ -31,6 +32,8 @@ class Issue < ActiveRecord::Base
   ActsAsTaggableOn.strict_case_match = true
 
   belongs_to :project
+  belongs_to :moved_to, class_name: 'Issue'
+
   validates :project, presence: true
 
   scope :of_group,
@@ -137,6 +140,18 @@ class Issue < ActiveRecord::Base
     end.uniq.select { |mr| mr.open? && mr.closes_issue?(self) }
   end
 
+  def moved?
+    !moved_to.nil?
+  end
+
+  def can_move?(user, to_project = nil)
+    if to_project
+      return false unless user.can?(:admin_issue, to_project)
+    end
+
+    !moved? && user.can?(:admin_issue, self.project)
+  end
+
   def to_branch_name
     "#{title.parameterize}-#{iid}"
   end