1 files changed, 0 insertions, 98 deletions
diff --git a/lib/gitlab/background_migration/wrongfully_confirmed_email_unconfirmer.rb b/lib/gitlab/background_migration/wrongfully_confirmed_email_unconfirmer.rb
deleted file mode 100644
index 665ad7abcbb..00000000000
--- a/lib/gitlab/background_migration/wrongfully_confirmed_email_unconfirmer.rb
+++ /dev/null
@@ -1,98 +0,0 @@
-# frozen_string_literal: true
-# rubocop:disable Style/Documentation
-
-module Gitlab
-  module BackgroundMigration
-    class WrongfullyConfirmedEmailUnconfirmer
-      class UserModel < ActiveRecord::Base
-        alias_method :reset, :reload
-
-        self.table_name = 'users'
-
-        scope :active, -> { where(state: 'active', user_type: nil) } # only humans, skip bots
-
-        devise :confirmable
-      end
-
-      class EmailModel < ActiveRecord::Base
-        alias_method :reset, :reload
-
-        self.table_name = 'emails'
-
-        belongs_to :user
-
-        devise :confirmable
-
-        def self.wrongfully_confirmed_emails(start_id, stop_id)
-          joins(:user)
-            .merge(UserModel.active)
-            .where(id: (start_id..stop_id))
-            .where.not('emails.confirmed_at' => nil)
-            .where('emails.confirmed_at = users.confirmed_at')
-            .where('emails.email <> users.email')
-            .where('NOT EXISTS (SELECT 1 FROM user_synced_attributes_metadata WHERE user_id=users.id AND email_synced IS true)')
-        end
-      end
-
-      def perform(start_id, stop_id)
-        email_records = EmailModel
-          .wrongfully_confirmed_emails(start_id, stop_id)
-          .to_a
-
-        user_ids = email_records.map(&:user_id).uniq
-
-        ActiveRecord::Base.transaction do
-          update_email_records(start_id, stop_id)
-          update_user_records(user_ids)
-        end
-
-        # Refind the records with the "real" Email model so devise will notice that the user / email is unconfirmed
-        unconfirmed_email_records = ::Email.where(id: email_records.map(&:id))
-        ActiveRecord::Associations::Preloader.new.preload(unconfirmed_email_records, [:user])
-
-        send_emails(unconfirmed_email_records)
-      end
-
-      private
-
-      def update_email_records(start_id, stop_id)
-        EmailModel.connection.execute <<-SQL
-          WITH md5_strings as #{Gitlab::Database::AsWithMaterialized.materialized_if_supported} (
-            #{email_query_for_update(start_id, stop_id).to_sql}
-          )
-          UPDATE #{EmailModel.connection.quote_table_name(EmailModel.table_name)}
-          SET confirmed_at = NULL,
-            confirmation_token = md5_strings.md5_string,
-            confirmation_sent_at = NOW()
-          FROM md5_strings
-          WHERE id = md5_strings.email_id
-        SQL
-      end
-
-      def update_user_records(user_ids)
-        UserModel
-          .where(id: user_ids)
-          .update_all("confirmed_at = NULL, confirmation_sent_at = NOW(), unconfirmed_email = NULL, confirmation_token=md5(users.id::varchar || users.created_at || users.encrypted_password || '#{Integer(Time.now.to_i)}')")
-      end
-
-      def email_query_for_update(start_id, stop_id)
-        EmailModel
-          .wrongfully_confirmed_emails(start_id, stop_id)
-          .select('emails.id as email_id', "md5(emails.id::varchar || emails.created_at || users.encrypted_password || '#{Integer(Time.now.to_i)}') as md5_string")
-      end
-
-      def send_emails(email_records)
-        user_records = email_records.map(&:user).uniq
-
-        user_records.each do |user|
-          Gitlab::BackgroundMigration::Mailers::UnconfirmMailer.unconfirm_notification_email(user).deliver_later
-          DeviseMailer.confirmation_instructions(user, user.confirmation_token).deliver_later(wait: 1.minute)
-        end
-
-        email_records.each do |email|
-          DeviseMailer.confirmation_instructions(email, email.confirmation_token).deliver_later(wait: 1.minute)
-        end
-      end
-    end
-  end
-end