Remove exports/base controller in favor of shared concern (#3444)

app/controllers/concerns/export_controller_concern.rb

+# frozen_string_literal: true
+
+module ExportControllerConcern
+  extend ActiveSupport::Concern
+
+  included do
+    before_action :authenticate_user!
+    before_action :load_export
+  end
+
+  private
+
+  def load_export
+    @export = Export.new(current_account)
+  end
+
+  def send_export_file
+    respond_to do |format|
+      format.csv { send_data export_data, filename: export_filename }
+    end
+  end
+
+  def export_data
+    raise 'Override in controller'
+  end
+
+  def export_filename
+    "#{controller_name}.csv"
+  end
+end

app/controllers/settings/exports/base_controller.rb

-# frozen_string_literal: true
-
-module Settings
-  module Exports
-    class BaseController < ApplicationController
-      before_action :authenticate_user!
-
-      def index
-        @export = Export.new(current_account)
-
-        respond_to do |format|
-          format.csv { send_data export_data, filename: export_filename }
-        end
-      end
-
-      private
-
-      def export_filename
-        "#{controller_name}.csv"
-      end
-    end
-  end
-end

app/controllers/settings/exports/blocked_accounts_controller.rb

@@ -2,7 +2,13 @@
 
 module Settings
   module Exports
-    class BlockedAccountsController < BaseController
+    class BlockedAccountsController < ApplicationController
+      include ExportControllerConcern
+
+      def index
+        send_export_file
+      end
+
       private
 
       def export_data

app/controllers/settings/exports/following_accounts_controller.rb

@@ -2,7 +2,13 @@
 
 module Settings
   module Exports
-    class FollowingAccountsController < BaseController
+    class FollowingAccountsController < ApplicationController
+      include ExportControllerConcern
+
+      def index
+        send_export_file
+      end
+
       private
 
       def export_data

app/controllers/settings/exports/muted_accounts_controller.rb

@@ -2,7 +2,13 @@
 
 module Settings
   module Exports
-    class MutedAccountsController < BaseController
+    class MutedAccountsController < ApplicationController
+      include ExportControllerConcern
+
+      def index
+        send_export_file
+      end
+
       private
 
       def export_data

spec/controllers/settings/exports/base_controller_spec.rb → spec/controllers/concerns/export_controller_concern_spec.rb

@@ -2,8 +2,12 @@
 
 require 'rails_helper'
 
-describe Settings::Exports::BaseController do
+describe ApplicationController, type: :controller do
   controller do
+    include ExportControllerConcern
+    def index
+      send_export_file
+    end
     def export_data
       @export.account.username
     end
@@ -17,7 +21,7 @@ describe Settings::Exports::BaseController do
 
       expect(response).to have_http_status(:success)
       expect(response.content_type).to eq 'text/csv'
-      expect(response.headers['Content-Disposition']).to eq 'attachment; filename="base.csv"'
+      expect(response.headers['Content-Disposition']).to eq 'attachment; filename="anonymous.csv"'
       expect(response.body).to eq user.account.username
     end