Delegate a single discussion to a new issue

Delegate a discussion in a merge request into a new issue.
The discussion wil be marked as resolved and a system note will be
added linking to the newly created issue.

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/api/issues.rb b/lib/api/issues.rb
index 4a9f2b26fb2..9aac3c8fe1a 100644
--- a/lib/api/issues.rb
+++ b/lib/api/issues.rb
@@ -118,6 +118,8 @@ module API
                               desc: 'Date time when the issue was created. Available only for admins and project owners.'
         optional :merge_request_for_resolving_discussions, type: Integer,
                                                            desc: 'The IID of a merge request for which to resolve discussions'
+        optional :discussion_to_resolve, type: String,
+                                         desc: 'The ID of a discussion to resolve'
         use :issue_params
       end
       post ':id/issues' do
@@ -134,6 +136,11 @@ module API
             find_by(iid: merge_request_iid)
         end
 
+        if discussion_id = params[:discussion_to_resolve]
+          issue_params[:discussion_to_resolve] = NotesFinder.new(user_project, current_user, discussion_id: discussion_id).
+                                                   first_discussion
+        end
+
         issue = ::Issues::CreateService.new(user_project,
                                             current_user,
                                             issue_params.merge(request: request, api: true)).execute