raise ActiveRecord::RecordNotFound if target_account.nil? || target_account.id == source_account.id || target_account.suspended?
raise Mastodon::NotPermittedError if target_account.blocking?(source_account) || source_account.blocking?(target_account)
- return if source_account.following?(target_account)
+ return if source_account.following?(target_account) || source_account.requested?(target_account)
if target_account.locked? || target_account.activitypub?
request_follow(source_account, target_account)