Change: #591 ホワイトリストのドメイン一覧の保存先・画面変更 (#689)

* Change: #591 ホワイトリストのドメイン一覧の保存先・画面変更

* Update account_batch.rb

* 表示まわりを改善

* Update dangerous.rake

app/models/specified_domain.rb

@@ -0,0 +1,78 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: specified_domains
+#
+#  id         :bigint(8)        not null, primary key
+#  domain     :string           not null
+#  table      :integer          default(0), not null
+#  options    :jsonb            not null
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+class SpecifiedDomain < ApplicationRecord
+  attr_accessor :domains
+
+  validates :domain, uniqueness: { scope: :table }
+  after_commit :invalidate_cache!
+
+  scope :white_list_domains, -> { where(table: 0) }
+
+  class << self
+    def white_list_domain_caches
+      Rails.cache.fetch('specified_domains:white_list') { white_list_domains.to_a }
+    end
+
+    def save_from_hashes(rows, type, caches)
+      unmatched = caches
+      matched = []
+
+      SpecifiedDomain.transaction do
+        rows.filter { |item| item[:domain].present? }.each do |item|
+          exists = unmatched.find { |i| i.domain == item[:domain] }
+
+          if exists.present?
+            unmatched.delete(exists)
+            matched << exists
+
+            next unless item.key?(:options) && item[:options] == exists.options
+
+            exists.update!(options: item[:options])
+          elsif matched.none? { |i| i.domain == item[:domain] }
+            SpecifiedDomain.create!(
+              domain: item[:domain],
+              table: type,
+              options: item[:options] || {}
+            )
+          end
+        end
+
+        SpecifiedDomain.destroy(unmatched.map(&:id))
+      end
+
+      true
+    end
+
+    def save_from_raws(rows, type, caches)
+      hashes = (rows['domains'] || []).map do |domain|
+        {
+          domain: domain,
+          type: type,
+        }
+      end
+
+      save_from_hashes(hashes, type, caches)
+    end
+
+    def save_from_raws_as_white_list(rows)
+      save_from_raws(rows, 0, white_list_domain_caches)
+    end
+  end
+
+  private
+
+  def invalidate_cache!
+    Rails.cache.delete('specified_domains:white_list')
+  end
+end