Atomic generation of internal ids for issues.

1 files changed, 19 insertions, 0 deletions

diff --git a/app/models/concerns/atomic_internal_id.rb b/app/models/concerns/atomic_internal_id.rb
new file mode 100644
index 00000000000..3cc9ce7f03f
--- /dev/null
+++ b/app/models/concerns/atomic_internal_id.rb
@@ -0,0 +1,19 @@
+module AtomicInternalId
+  extend ActiveSupport::Concern
+
+  included do
+    before_validation(on: :create) do
+      set_iid
+    end
+
+    validates :iid, presence: true, numericality: true
+  end
+
+  def set_iid
+    self.iid = InternalId.generate_next(self.project, :issues) if iid.blank?
+  end
+
+  def to_param
+    iid.to_s
+  end
+end