refactor report creation into a service object

app/models/federails/moderation/report.rb

@@ -1,5 +1,2 @@
 class Federails::Moderation::Report
-  def self.handle_flag(activity)
-    Rails.logger.debug activity.inspect
-  end
 end

app/services/federails/moderation/application_service.rb

@@ -0,0 +1,7 @@
+module Federails::Moderation
+  class ApplicationService
+    def self.call(*args, &block)
+      new(*args, &block).call
+    end
+  end
+end

app/services/federails/moderation/report_creation_service.rb

@@ -0,0 +1,11 @@
+module Federails::Moderation
+  class ReportCreationService < ApplicationService
+    def initialize(activity)
+      @activity = activity
+    end
+
+    def call
+      Rails.logger.debug @activity.inspect
+    end
+  end
+end

config/initializers/handlers.rb

@@ -1,5 +1,5 @@
 require "fediverse/inbox"
 
 Rails.application.config.after_initialize do
-  Fediverse::Inbox.register_handler "Flag", "*", Federails::Moderation::Report, :handle_flag
+  Fediverse::Inbox.register_handler "Flag", "*", Federails::Moderation::ReportCreationService, :call
 end

spec/requests/reports_spec.rb

@@ -17,7 +17,9 @@
   end
 
   it "should call registered Report handler when a flag is received by Federails" do
-    expect(Federails::Moderation::Report).to receive(:handle_flag).once.and_call_original
+    expect(Federails::Moderation::ReportCreationService).to receive(:call).once { |args|
+      expect(args["content"]).to eq "Test, please ignore"
+    }
     post user.actor.inbox_url, params: report_body, as: :json
   end
 end