From 1123057ab792ac73b1611f4d3a9faf79369dd6da Mon Sep 17 00:00:00 2001
From: Bob Van Landuyt <bob@vanlanduyt.co>
Date: Wed, 26 Oct 2016 23:21:50 +0200
Subject: Feature: delegate all open discussions to Issue

When a merge request can only be merged when all discussions are
resolved. This feature allows to easily delegate those discussions to a
new issue, while marking them as resolved in the merge request.

The user is presented with a new issue, prepared with mentions of all
unresolved discussions, including the first unresolved note of the
discussion, time and link to the note.

When the issue is created, the discussions in the merge request will get
a system note directing the user to the newly created issue.
---
 app/services/discussions/base_service.rb    |  4 ++++
 app/services/discussions/resolve_service.rb | 24 ++++++++++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 app/services/discussions/base_service.rb
 create mode 100644 app/services/discussions/resolve_service.rb

(limited to 'app/services/discussions')

diff --git a/app/services/discussions/base_service.rb b/app/services/discussions/base_service.rb
new file mode 100644
index 00000000000..e4dfe6e71bb
--- /dev/null
+++ b/app/services/discussions/base_service.rb
@@ -0,0 +1,4 @@
+module Discussions
+  class BaseService < ::BaseService
+  end
+end
diff --git a/app/services/discussions/resolve_service.rb b/app/services/discussions/resolve_service.rb
new file mode 100644
index 00000000000..0437195f588
--- /dev/null
+++ b/app/services/discussions/resolve_service.rb
@@ -0,0 +1,24 @@
+module Discussions
+  class ResolveService < Discussions::BaseService
+    def execute(one_or_more_discussions)
+      Array(one_or_more_discussions).each { |discussion| resolve_discussion(discussion) }
+    end
+
+    def resolve_discussion(discussion)
+      return unless discussion.can_resolve?(current_user)
+
+      discussion.resolve!(current_user)
+
+      MergeRequests::ResolvedDiscussionNotificationService.new(project, current_user).execute(merge_request)
+      SystemNoteService.discussion_continued_in_issue(discussion, project, current_user, follow_up_issue) if follow_up_issue
+    end
+
+    def merge_request
+      params[:merge_request]
+    end
+
+    def follow_up_issue
+      params[:follow_up_issue]
+    end
+  end
+end
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