Add Geo::HashedStorageMigratedEvent model

app/models/geo/event_log.rb

@@ -22,6 +22,10 @@ module Geo
       class_name: 'Geo::RepositoriesChangedEvent',
       foreign_key: :repositories_changed_event_id
 
+    belongs_to :hashed_storage_migrated_event,
+      class_name: 'Geo::HashedStorageMigratedEvent',
+      foreign_key: :hashed_storage_migrated_event_id
+
     def self.latest_event
       order(id: :desc).first
     end
@@ -31,7 +35,8 @@ module Geo
         repository_updated_event ||
         repository_deleted_event ||
         repository_renamed_event ||
-        repositories_changed_event
+        repositories_changed_event ||
+        hashed_storage_migrated_event
     end
 
     def project_id

app/models/geo/hashed_storage_migrated_event.rb

+module Geo
+  class HashedStorageMigratedEvent < ActiveRecord::Base
+    include Geo::Model
+
+    belongs_to :project
+
+    validates :project, :repository_storage_name, :repository_storage_path,
+              :old_disk_path, :new_disk_path, :old_wiki_disk_path,
+              :new_wiki_disk_path, :new_storage_version, presence: true
+  end
+end

spec/factories/geo/event_log.rb

@@ -73,4 +73,16 @@ FactoryGirl.define do
     old_path { project.path }
     new_path { project.path + '_new' }
   end
+
+  factory :geo_hashed_storage_migrated_event, class: Geo::HashedStorageMigratedEvent do
+    project { create(:project, :repository) }
+
+    repository_storage_name { project.repository_storage }
+    repository_storage_path { project.repository_storage_path }
+    old_disk_path { project.path_with_namespace }
+    new_disk_path { project.path_with_namespace + '_new' }
+    old_wiki_disk_path { project.wiki.path_with_namespace }
+    new_wiki_disk_path { project.wiki.path_with_namespace + '_new' }
+    new_storage_version { Project::LATEST_STORAGE_VERSION }
+  end
 end

spec/models/geo/event_log_spec.rb

@@ -7,6 +7,7 @@ RSpec.describe Geo::EventLog, type: :model do
     it { is_expected.to belong_to(:repository_deleted_event).class_name('Geo::RepositoryDeletedEvent').with_foreign_key('repository_deleted_event_id') }
     it { is_expected.to belong_to(:repository_renamed_event).class_name('Geo::RepositoryRenamedEvent').with_foreign_key('repository_renamed_event_id') }
     it { is_expected.to belong_to(:repository_updated_event).class_name('Geo::RepositoryUpdatedEvent').with_foreign_key('repository_updated_event_id') }
+    it { is_expected.to belong_to(:hashed_storage_migrated_event).class_name('Geo::HashedStorageMigratedEvent').with_foreign_key('hashed_storage_migrated_event_id') }
   end
 
   describe '#event' do
@@ -48,6 +49,13 @@ RSpec.describe Geo::EventLog, type: :model do
 
       expect(subject.event).to eq repositories_changed_event
     end
+
+    it 'returns hashed_storage_migrated_event when set' do
+      hashed_storage_migrated_event = build(:geo_hashed_storage_migrated_event)
+      subject.hashed_storage_migrated_event = hashed_storage_migrated_event
+
+      expect(subject.event).to eq hashed_storage_migrated_event
+    end
   end
 
   describe '#project_id' do

spec/models/geo/hashed_storage_migrated_event_spec.rb

+require 'spec_helper'
+
+RSpec.describe Geo::HashedStorageMigratedEvent, type: :model do
+  describe 'relationships' do
+    it { is_expected.to belong_to(:project) }
+  end
+
+  describe 'validations' do
+    it { is_expected.to validate_presence_of(:project) }
+    it { is_expected.to validate_presence_of(:repository_storage_name) }
+    it { is_expected.to validate_presence_of(:repository_storage_path) }
+    it { is_expected.to validate_presence_of(:old_disk_path) }
+    it { is_expected.to validate_presence_of(:new_disk_path) }
+    it { is_expected.to validate_presence_of(:old_wiki_disk_path) }
+    it { is_expected.to validate_presence_of(:new_wiki_disk_path) }
+    it { is_expected.to validate_presence_of(:new_storage_version) }
+  end
+end