Refactor `SpamCheckService` to make it cleaner and clearer.

3 files changed, 31 insertions, 27 deletions

diff --git a/app/services/issues/create_service.rb b/app/services/issues/create_service.rb
index 496ea5a86a2..1085a1b93b8 100644
--- a/app/services/issues/create_service.rb
+++ b/app/services/issues/create_service.rb
@@ -6,8 +6,9 @@ module Issues
       issue = project.issues.new(params.except(:label_ids, :request))
       issue.author = params[:author] || current_user
 
-      if Issues::SpamCheckService.new(project, current_user, params).spam_detected?
-        return nil
+      if SpamCheckService.new(project, current_user, params).spam_detected?
+        issue.errors.add(:base, 'Your issue has been recognized as spam and has been discarded.')
+        return issue
       end
 
       if issue.save
diff --git a/app/services/issues/spam_check_service.rb b/app/services/issues/spam_check_service.rb
deleted file mode 100644
index b8d4e37faf5..00000000000
--- a/app/services/issues/spam_check_service.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-module Issues
-  class SpamCheckService < BaseService
-    include Gitlab::AkismetHelper
-
-    def spam_detected?
-      text = [params[:title], params[:description]].reject(&:blank?).join("\n")
-      request = params[:request]
-
-      if request
-        if check_for_spam?(project) && is_spam?(request.env, current_user, text)
-          attrs = {
-            user_id: current_user.id,
-            project_id: project.id,
-            title: params[:title],
-            description: params[:description]
-          }
-          create_spam_log(project, current_user, attrs, request.env, api: false)
-          return true
-        end
-      end
-
-      false
-    end
-  end
-end
diff --git a/app/services/spam_check_service.rb b/app/services/spam_check_service.rb
new file mode 100644
index 00000000000..6768047aa63
--- /dev/null
+++ b/app/services/spam_check_service.rb
@@ -0,0 +1,28 @@
+class SpamCheckService
+  include Gitlab::AkismetHelper
+
+  attr_accessor :subject, :current_user, :params
+
+  def initialize(subject, user, params = {})
+    @subject, @current_user, @params = subject, user, params.dup
+  end
+
+  def spam_detected?
+    request = params[:request]
+    return false unless request || check_for_spam?(subject)
+
+    text = [params[:title], params[:description]].reject(&:blank?).join("\n")
+
+    return false unless is_spam?(request.env, current_user, text)
+
+    attrs = {
+      user_id: current_user.id,
+      project_id: subject.id,
+      title: params[:title],
+      description: params[:description]
+    }
+    create_spam_log(subject, current_user, attrs, request.env, api: false)
+
+    true
+  end
+end