Rename DomainTransfer#transfer_from to old_registrar

app/models/concerns/domain/transferable.rb

@@ -13,7 +13,7 @@ module Concerns::Domain::Transferable
 
     domain_transfers.create!(
       transfer_requested_at: Time.zone.now,
-      transfer_from: old_registrar,
+      old_registrar: old_registrar,
       transfer_to: new_registrar
     )
 

app/models/domain_transfer.rb

@@ -1,7 +1,7 @@
 class DomainTransfer < ActiveRecord::Base
   belongs_to :domain
 
-  belongs_to :transfer_from, class_name: 'Registrar'
+  belongs_to :old_registrar, class_name: 'Registrar'
   belongs_to :transfer_to, class_name: 'Registrar'
 
   PENDING = 'pending'
@@ -37,7 +37,7 @@ class DomainTransfer < ActiveRecord::Base
   end
 
   def notify_losing_registrar(contacts, registrant)
-    transfer_from.messages.create!(
+    old_registrar.messages.create!(
       body: I18n.t('domain_transfer_was_approved', contacts: contacts, registrant: registrant),
       attached_obj_id: id,
       attached_obj_type: self.class.to_s

app/models/epp/domain.rb

@@ -667,7 +667,7 @@ class Epp::Domain < Domain
       dt = domain_transfers.create!(
         transfer_requested_at: Time.zone.now,
         transfer_to: current_user.registrar,
-        transfer_from: registrar
+        old_registrar: registrar
       )
 
       if dt.pending?
@@ -696,7 +696,7 @@ class Epp::Domain < Domain
 
   def approve_transfer(frame, current_user)
     pt = pending_transfer
-    if current_user.registrar != pt.transfer_from
+    if current_user.registrar != pt.old_registrar
       throw :epp_error, {
         msg: I18n.t('transfer_can_be_approved_only_by_current_registrar'),
         code: '2304'
@@ -722,7 +722,7 @@ class Epp::Domain < Domain
 
   def reject_transfer(frame, current_user)
     pt = pending_transfer
-    if current_user.registrar != pt.transfer_from
+    if current_user.registrar != pt.old_registrar
       throw :epp_error, {
         msg: I18n.t('transfer_can_be_rejected_only_by_current_registrar'),
         code: '2304'

app/models/registrar.rb

@@ -141,7 +141,7 @@ class Registrar < ActiveRecord::Base
     at = DomainTransfer.arel_table
     DomainTransfer.where(
       at[:transfer_to_id].eq(id).or(
-        at[:transfer_from_id].eq(id)
+        at[:old_registrar_id].eq(id)
       )
     )
   end

app/views/epp/domains/partials/_transfer.xml.builder

@@ -3,7 +3,7 @@ builder.tag!('domain:trnData', 'xmlns:domain' => 'https://epp.tld.ee/schema/doma
   builder.tag!('domain:trStatus', dt.status)
   builder.tag!('domain:reID', dt.transfer_to.code)
   builder.tag!('domain:reDate', dt.transfer_requested_at.try(:iso8601))
-  builder.tag!('domain:acID', dt.transfer_from.code)
+  builder.tag!('domain:acID', dt.old_registrar.code)
   builder.tag!('domain:acDate', dt.transferred_at.try(:iso8601) || dt.wait_until.try(:iso8601))
   builder.tag!('domain:exDate', dt.domain_valid_to.try(:iso8601))
 end