Prepare history import

app/models/legacy/domain.rb

@@ -12,5 +12,6 @@ module Legacy
     has_many :domain_contact_maps, foreign_key: :domainid
     has_many :nsset_contact_maps, foreign_key: :nssetid, primary_key: :nsset
     has_many :domain_histories, foreign_key: :id
+    alias_method :history, :domain_histories
   end
 end

app/models/legacy/domain_history.rb

@@ -3,5 +3,7 @@ module Legacy
     self.table_name = :domain_history
 
     belongs_to :domain, foreign_key: :id
+    belongs_to :history, foreign_key: :historyid
+    has_one :object_history, foreign_key: :historyid, primary_key: :historyid
   end
 end

app/models/legacy/history.rb

@@ -0,0 +1,5 @@
+module Legacy
+  class History < Db
+    self.table_name = :history
+  end
+end

lib/tasks/import.rake

@@ -774,6 +774,30 @@ namespace :import do
 
     puts "-----> Imported zones in #{(Time.zone.now.to_f - start).round(2)} seconds"
   end
+
+  desc 'Import history'
+  task history: :environment do
+    Domain.where.not(legacy_id: nil).find_each do |domain|
+      next if domain.versions.where(action: :create).any?
+
+      history = Legacy::DomainHistory.where(id: domain.legacy_id).order("valid_from ASC").to_a
+      history.each_with_index do |his, i|
+        event = :update
+        event = :create  if i == 0
+        event = :destroy if i + 1 == history.size && his.history.valid_to.present?
+
+        {
+            item_type: domain.class,
+            item_id:   domain.id,
+            event:     event,
+            whodunnit: Registrar.find_by(legacy_id: his.object_history.upid || his.object_history.clid),
+            object:    {},
+            object_changes: {"id" => [nil, 1111] },
+            created_at: his.object_history.try(:update),
+        }
+      end
+    end
+  end
 end
 
 def parse_zone_ns_data(domain, zone)