From 625fb2f29d99ab21de2497a36512be69c80e39be Mon Sep 17 00:00:00 2001
From: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Date: Wed, 21 Aug 2013 12:16:26 +0300
Subject: [PATCH] Add iids to milestones. Moved iids logic to separate concern

---
 app/models/concerns/internal_id.rb              | 17 +++++++++++++++++
 app/models/concerns/issuable.rb                 | 11 -----------
 app/models/issue.rb                             |  2 +-
 app/models/merge_request.rb                     |  2 +-
 app/models/milestone.rb                         |  2 ++
 ...0821090531_add_internal_ids_to_milestones.rb |  5 +++++
 db/schema.rb                                    |  3 ++-
 lib/tasks/migrate/migrate_iids.rake             | 15 +++++++++++++++
 8 files changed, 43 insertions(+), 14 deletions(-)
 create mode 100644 app/models/concerns/internal_id.rb
 create mode 100644 db/migrate/20130821090531_add_internal_ids_to_milestones.rb

diff --git a/app/models/concerns/internal_id.rb b/app/models/concerns/internal_id.rb
new file mode 100644
index 00000000000..821ed54fb98
--- /dev/null
+++ b/app/models/concerns/internal_id.rb
@@ -0,0 +1,17 @@
+module InternalId
+  extend ActiveSupport::Concern
+
+  included do
+    validate :set_iid, on: :create
+    validates :iid, presence: true, numericality: true
+  end
+
+  def set_iid
+    max_iid = project.send(self.class.name.tableize).maximum(:iid)
+    self.iid = max_iid.to_i + 1
+  end
+
+  def to_param
+    iid.to_s
+  end
+end
diff --git a/app/models/concerns/issuable.rb b/app/models/concerns/issuable.rb
index fb08a5aa750..a05dba7f6b6 100644
--- a/app/models/concerns/issuable.rb
+++ b/app/models/concerns/issuable.rb
@@ -16,8 +16,6 @@ module Issuable
 
     validates :author, presence: true
     validates :title, presence: true, length: { within: 0..255 }
-    validate :set_iid, on: :create
-    validates :iid, presence: true, numericality: true
 
     scope :authored, ->(user) { where(author_id: user) }
     scope :assigned_to, ->(u) { where(assignee_id: u.id)}
@@ -47,15 +45,6 @@ module Issuable
     end
   end
 
-  def set_iid
-    max_iid = project.send(self.class.name.tableize).maximum(:iid)
-    self.iid = max_iid.to_i + 1
-  end
-
-  def to_param
-    iid.to_s
-  end
-
   def today?
     Date.today == created_at.to_date
   end
diff --git a/app/models/issue.rb b/app/models/issue.rb
index ecb881ab597..35b487dc3cf 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -17,8 +17,8 @@
 #
 
 class Issue < ActiveRecord::Base
-
   include Issuable
+  include InternalId
 
   belongs_to :project
   validates :project, presence: true
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index d525ad17537..190f6ab15f4 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -23,8 +23,8 @@ require Rails.root.join("app/models/commit")
 require Rails.root.join("lib/static_model")
 
 class MergeRequest < ActiveRecord::Base
-
   include Issuable
+  include InternalId
 
   belongs_to :target_project, foreign_key: :target_project_id, class_name: "Project"
   belongs_to :source_project, foreign_key: :source_project_id, class_name: "Project"
diff --git a/app/models/milestone.rb b/app/models/milestone.rb
index 023b8ddf04d..cfa47f30bde 100644
--- a/app/models/milestone.rb
+++ b/app/models/milestone.rb
@@ -13,6 +13,8 @@
 #
 
 class Milestone < ActiveRecord::Base
+  include InternalId
+
   attr_accessible :title, :description, :due_date, :state_event, :author_id_of_changes
   attr_accessor :author_id_of_changes
 
diff --git a/db/migrate/20130821090531_add_internal_ids_to_milestones.rb b/db/migrate/20130821090531_add_internal_ids_to_milestones.rb
new file mode 100644
index 00000000000..33e5bae5805
--- /dev/null
+++ b/db/migrate/20130821090531_add_internal_ids_to_milestones.rb
@@ -0,0 +1,5 @@
+class AddInternalIdsToMilestones < ActiveRecord::Migration
+  def change
+    add_column :milestones, :iid, :integer
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index b8e7d3dd6f2..429551a2bf4 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130821090530) do
+ActiveRecord::Schema.define(:version => 20130821090531) do
 
   create_table "deploy_keys_projects", :force => true do |t|
     t.integer  "deploy_key_id", :null => false
@@ -119,6 +119,7 @@ ActiveRecord::Schema.define(:version => 20130821090530) do
     t.datetime "created_at",  :null => false
     t.datetime "updated_at",  :null => false
     t.string   "state"
+    t.integer  "iid"
   end
 
   add_index "milestones", ["due_date"], :name => "index_milestones_on_due_date"
diff --git a/lib/tasks/migrate/migrate_iids.rake b/lib/tasks/migrate/migrate_iids.rake
index bc612cd69a7..33271e1a2bb 100644
--- a/lib/tasks/migrate/migrate_iids.rake
+++ b/lib/tasks/migrate/migrate_iids.rake
@@ -29,5 +29,20 @@ task migrate_iids: :environment do
     end
   end
 
+  puts 'done'
+  puts 'Milestones'.yellow
+  Milestone.where(iid: nil).find_each(batch_size: 100) do |m|
+    begin
+      m.set_iid
+      if m.update_attribute(:iid, m.iid)
+        print '.'
+      else
+        print 'F'
+      end
+    rescue
+      print 'F'
+    end
+  end
+
   puts 'done'
 end