Add confirmation page when importing blocked domains (#1773)

* Move glitch-soc-specific strings to glitch-soc-specific locale files

* Add confirmation page when importing blocked domains

app/models/form/domain_block_batch.rb

@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+class Form::DomainBlockBatch
+  include ActiveModel::Model
+  include Authorization
+  include AccountableConcern
+
+  attr_accessor :domain_blocks_attributes, :action, :current_account
+
+  def save
+    case action
+    when 'save'
+      save!
+    end
+  end
+
+  private
+
+  def domain_blocks
+    @domain_blocks ||= domain_blocks_attributes.values.filter_map do |attributes|
+      DomainBlock.new(attributes.without('enabled')) if ActiveModel::Type::Boolean.new.cast(attributes['enabled'])
+    end
+  end
+
+  def save!
+    domain_blocks.each do |domain_block|
+      authorize(domain_block, :create?)
+      next if DomainBlock.rule_for(domain_block.domain).present?
+
+      domain_block.save!
+      DomainBlockWorker.perform_async(domain_block.id)
+      log_action :create, domain_block
+    end
+  end
+end