Skip spam check for task list updates

Task list updates should not mark users action as spam on akismet.

app/services/issuable_base_service.rb

@@ -182,7 +182,7 @@ class IssuableBaseService < BaseService
     # To be overridden by subclasses
   end
-  def before_update(issuable)
+  def before_update(issuable, skip_spam_check: false)
     # To be overridden by subclasses
   end
@@ -257,7 +257,7 @@ class IssuableBaseService < BaseService
                                               last_edited_at: Time.now,
                                               last_edited_by: current_user))
-      before_update(issuable)
+      before_update(issuable, skip_spam_check: true)
       if issuable.with_transaction_returning_status { issuable.save }
         # We do not touch as it will affect a update on updated_at field

app/services/issues/update_service.rb

@@ -17,8 +17,8 @@ module Issues
       super
     end
-    def before_update(issue)
-      spam_check(issue, current_user)
+    def before_update(issue, skip_spam_check: false)
+      spam_check(issue, current_user) unless skip_spam_check
     end
     def handle_changes(issue, options)

changelogs/unreleased/issue_64021.yml

+---
+title: Skip spam check for task list updates
+merge_request: 30279
+author:
+type: fixed

spec/services/issues/update_service_spec.rb

@@ -480,6 +480,22 @@ describe Issues::UpdateService, :mailer do
           update_issue(description: "- [x] Task 1\n- [X] Task 2")
         end
+        it 'does not check for spam on task status change' do
+          params = {
+            update_task: {
+              index: 1,
+              checked: false,
+              line_source: '- [x] Task 1',
+              line_number: 1
+            }
+          }
+          service = described_class.new(project, user, params)
+
+          expect(service).not_to receive(:spam_check)
+
+          service.execute(issue)
+        end
+
         it 'creates system note about task status change' do
           note1 = find_note('marked the task **Task 1** as completed')
           note2 = find_note('marked the task **Task 2** as completed')