Change domains.delete_at database column type to date, rename to

`delete_date`

Closes #1125

app/models/concerns/domain/deletable.rb

@@ -20,6 +20,6 @@ module Concerns::Domain::Deletable
   end
 
   def deletion_deadline
-    delete_at + 24.hours
+    delete_date + 24.hours
   end
 end

app/models/concerns/domain/expirable.rb

@@ -22,7 +22,7 @@ module Concerns::Domain::Expirable
   def expirable?
     return false if expire_time > Time.zone.now
 
-    if statuses.include?(DomainStatus::EXPIRED) && outzone_at.present? && delete_at.present?
+    if statuses.include?(DomainStatus::EXPIRED) && outzone_at.present? && delete_date.present?
       return false
     end
 

app/models/concerns/domain/releasable.rb

@@ -15,16 +15,16 @@ module Concerns
 
         def releasable_domains
           if release_to_auction
-            where('(delete_at < ? OR force_delete_date <= ?)' \
+            where('(delete_date <= ? OR force_delete_date <= ?)' \
               ' AND ? != ALL(coalesce(statuses, array[]::varchar[]))',
-                  Time.zone.now,
+                  Time.zone.today,
                   Time.zone.today,
                   DomainStatus::SERVER_DELETE_PROHIBITED)
           else
-            where('(delete_at < ? OR force_delete_date <= ?)' \
+            where('(delete_date <= ? OR force_delete_date <= ?)' \
               ' AND ? != ALL(coalesce(statuses, array[]::varchar[])) AND' \
                   ' ? != ALL(COALESCE(statuses, array[]::varchar[]))',
-                  Time.zone.now,
+                  Time.zone.today,
                   Time.zone.today,
                   DomainStatus::SERVER_DELETE_PROHIBITED,
                   DomainStatus::DELETE_CANDIDATE)

app/models/domain.rb

@@ -399,7 +399,7 @@ class Domain < ActiveRecord::Base
   def cancel_pending_delete
     statuses.delete DomainStatus::PENDING_DELETE_CONFIRMATION
     statuses.delete DomainStatus::PENDING_DELETE
-    self.delete_at = nil
+    self.delete_date = nil
   end
 
   def pricelist(operation_category, period_i = nil, unit = nil)
@@ -459,7 +459,7 @@ class Domain < ActiveRecord::Base
 
   def set_graceful_expired
     self.outzone_at = expire_time + self.class.expire_warning_period
-    self.delete_at = outzone_at + self.class.redemption_grace_period
+    self.delete_date = outzone_at + self.class.redemption_grace_period
     self.statuses |= [DomainStatus::EXPIRED]
   end
 
@@ -484,7 +484,7 @@ class Domain < ActiveRecord::Base
       unless update.include? s
         case s
           when DomainStatus::PENDING_DELETE
-            self.delete_at = nil
+            self.delete_date = nil
           when DomainStatus::SERVER_MANUAL_INZONE # removal causes server hold to set
             self.outzone_at = Time.zone.now if force_delete_scheduled?
           when DomainStatus::DomainStatus::EXPIRED # removal causes server hold to set

app/models/epp/domain.rb

@@ -549,7 +549,7 @@ class Epp::Domain < Domain
       msg: I18n.t(:object_status_prohibits_operation)
     } unless pending_deletable?
 
-    self.delete_at = (Time.zone.now + (Setting.redemption_grace_period.days + 1.day)).utc.beginning_of_day
+    self.delete_date = Time.zone.today + Setting.redemption_grace_period.days + 1.day
     set_pending_delete
     set_server_hold if server_holdable?
     save(validate: false)
@@ -576,7 +576,7 @@ class Epp::Domain < Domain
 
     self.expire_time = renewed_expire_time
     self.outzone_at = nil
-    self.delete_at = nil
+    self.delete_date = nil
     self.period = period
     self.period_unit = unit
 

app/models/whois_record.rb

@@ -40,8 +40,7 @@ class WhoisRecord < ActiveRecord::Base
     h[:changed]    = domain.updated_at.try(:to_s, :iso8601)
     h[:expire]     = domain.valid_to.to_date.to_s
     h[:outzone]    = domain.outzone_at.try(:to_date).try(:to_s)
-    h[:delete] = [domain.delete_at, domain.force_delete_date].compact.min.try(:to_date)
-                                                             .try(:to_s)
+    h[:delete] = [domain.delete_date, domain.force_delete_date].compact.min.try(:to_s)
 
     h[:registrant] = registrant.name
     h[:registrant_kind] = registrant.kind