Move SpamCheckService into spam folder

Part of a general tidy of spam logic

app/services/concerns/spam_check_methods.rb

@@ -23,7 +23,7 @@ module SpamCheckMethods
   # attribute values.
   # rubocop:disable Gitlab/ModuleWithInstanceVariables
   def spam_check(spammable, user)
-    SpamCheckService.new(
+    Spam::SpamCheckService.new(
       spammable: spammable,
       request: @request
     ).execute(

app/services/spam/spam_check_service.rb

+# frozen_string_literal: true
+
+module Spam
+  class SpamCheckService
+    include AkismetMethods
+
+    attr_accessor :spammable, :request, :options
+    attr_reader :spam_log
+
+    def initialize(spammable:, request:)
+      @spammable = spammable
+      @request = request
+      @options = {}
+
+      if @request
+        @options[:ip_address] = @request.env['action_dispatch.remote_ip'].to_s
+        @options[:user_agent] = @request.env['HTTP_USER_AGENT']
+        @options[:referrer] = @request.env['HTTP_REFERRER']
+      else
+        @options[:ip_address] = @spammable.ip_address
+        @options[:user_agent] = @spammable.user_agent
+      end
+    end
+
+    def execute(api: false, recaptcha_verified:, spam_log_id:, user_id:)
+      if recaptcha_verified
+        # If it's a request which is already verified through recaptcha,
+        # update the spam log accordingly.
+        SpamLog.verify_recaptcha!(user_id: user_id, id: spam_log_id)
+      else
+        # Otherwise, it goes to Akismet for spam check.
+        # If so, it assigns spammable object as "spam" and creates a SpamLog record.
+        possible_spam = check(api)
+        spammable.spam = possible_spam unless spammable.allow_possible_spam?
+        spammable.spam_log = spam_log
+      end
+    end
+
+    private
+
+    def check(api)
+      return unless request
+      return unless check_for_spam?
+      return unless akismet.spam?
+
+      create_spam_log(api)
+      true
+    end
+
+    def check_for_spam?
+      spammable.check_for_spam?
+    end
+
+    def create_spam_log(api)
+      @spam_log = SpamLog.create!(
+        {
+          user_id: spammable.author_id,
+          title: spammable.spam_title,
+          description: spammable.spam_description,
+          source_ip: options[:ip_address],
+          user_agent: options[:user_agent],
+          noteable_type: spammable.class.to_s,
+          via_api: api
+        }
+      )
+    end
+  end
+end

app/services/spam_check_service.rb

-# frozen_string_literal: true
-
-class SpamCheckService
-  include AkismetMethods
-
-  attr_accessor :spammable, :request, :options
-  attr_reader :spam_log
-
-  def initialize(spammable:, request:)
-    @spammable = spammable
-    @request = request
-    @options = {}
-
-    if @request
-      @options[:ip_address] = @request.env['action_dispatch.remote_ip'].to_s
-      @options[:user_agent] = @request.env['HTTP_USER_AGENT']
-      @options[:referrer] = @request.env['HTTP_REFERRER']
-    else
-      @options[:ip_address] = @spammable.ip_address
-      @options[:user_agent] = @spammable.user_agent
-    end
-  end
-
-  def execute(api: false, recaptcha_verified:, spam_log_id:, user_id:)
-    if recaptcha_verified
-      # If it's a request which is already verified through recaptcha,
-      # update the spam log accordingly.
-      SpamLog.verify_recaptcha!(user_id: user_id, id: spam_log_id)
-    else
-      # Otherwise, it goes to Akismet for spam check.
-      # If so, it assigns spammable object as "spam" and creates a SpamLog record.
-      possible_spam = check(api)
-      spammable.spam = possible_spam unless spammable.allow_possible_spam?
-      spammable.spam_log = spam_log
-    end
-  end
-
-  private
-
-  def check(api)
-    return unless request
-    return unless check_for_spam?
-    return unless akismet.spam?
-
-    create_spam_log(api)
-    true
-  end
-
-  def check_for_spam?
-    spammable.check_for_spam?
-  end
-
-  def create_spam_log(api)
-    @spam_log = SpamLog.create!(
-      {
-        user_id: spammable.author_id,
-        title: spammable.spam_title,
-        description: spammable.spam_description,
-        source_ip: options[:ip_address],
-        user_agent: options[:user_agent],
-        noteable_type: spammable.class.to_s,
-        via_api: api
-      }
-    )
-  end
-end

spec/requests/api/issues/post_projects_issues_spec.rb

@@ -389,7 +389,7 @@ describe API::Issues do
     end
 
     before do
-      expect_next_instance_of(SpamCheckService) do |spam_service|
+      expect_next_instance_of(Spam::SpamCheckService) do |spam_service|
         expect(spam_service).to receive_messages(check_for_spam?: true)
       end
       expect_next_instance_of(AkismetService) do |akismet_service|

spec/requests/api/issues/put_projects_issues_spec.rb

@@ -194,7 +194,7 @@ describe API::Issues do
     end
 
     before do
-      expect_next_instance_of(SpamCheckService) do |spam_service|
+      expect_next_instance_of(Spam::SpamCheckService) do |spam_service|
         expect(spam_service).to receive_messages(check_for_spam?: true)
       end
       expect_next_instance_of(AkismetService) do |akismet_service|

spec/services/issues/create_service_spec.rb

@@ -385,7 +385,7 @@ describe Issues::CreateService do
 
       context 'when recaptcha was not verified' do
         before do
-          expect_next_instance_of(SpamCheckService) do |spam_service|
+          expect_next_instance_of(Spam::SpamCheckService) do |spam_service|
             expect(spam_service).to receive_messages(check_for_spam?: true)
           end
         end

spec/services/spam_check_service_spec.rb → spec/services/spam/spam_check_service_spec.rb

@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-describe SpamCheckService do
+describe Spam::SpamCheckService do
   let(:fake_ip) { '1.2.3.4' }
   let(:fake_user_agent) { 'fake-user-agent' }
   let(:fake_referrer) { 'fake-http-referrer' }