Backport JIRA service

2 files changed, 28 insertions, 4 deletions

diff --git a/lib/banzai/filter/external_issue_reference_filter.rb b/lib/banzai/filter/external_issue_reference_filter.rb
index f5737a7ac19..f5942740cd6 100644
--- a/lib/banzai/filter/external_issue_reference_filter.rb
+++ b/lib/banzai/filter/external_issue_reference_filter.rb
@@ -23,6 +23,18 @@ module Banzai
         end
       end
 
+      def self.referenced_by(node)
+        project = Project.find(node.attr("data-project")) rescue nil
+        return unless project
+
+        id = node.attr("data-external-issue")
+        external_issue = ExternalIssue.new(id, project)
+
+        return unless external_issue
+
+        { external_issue: external_issue }
+      end
+
       def call
         # Early return if the project isn't using an external tracker
         return doc if project.nil? || project.default_issues_tracker?
@@ -46,12 +58,14 @@ module Banzai
       def issue_link_filter(text, link_text: nil)
         project = context[:project]
 
-        self.class.references_in(text) do |match, issue|
-          url = url_for_issue(issue, project, only_path: context[:only_path])
+        self.class.references_in(text) do |match, id|
+          ExternalIssue.new(id, project)
+
+          url = url_for_issue(id, project, only_path: context[:only_path])
 
           title = escape_once("Issue in #{project.external_issue_tracker.title}")
           klass = reference_class(:issue)
-          data  = data_attribute(project: project.id)
+          data  = data_attribute(project: project.id, external_issue: id)
 
           text = link_text || match
 
diff --git a/lib/gitlab/reference_extractor.rb b/lib/gitlab/reference_extractor.rb
index 42f7c26f3c4..0a70d21b1ce 100644
--- a/lib/gitlab/reference_extractor.rb
+++ b/lib/gitlab/reference_extractor.rb
@@ -18,10 +18,20 @@ module Gitlab
       super(text, context.merge(project: project))
     end
 
-    %i(user label issue merge_request snippet commit commit_range).each do |type|
+    %i(user label merge_request snippet commit commit_range).each do |type|
       define_method("#{type}s") do
         @references[type] ||= references(type, project: project, current_user: current_user)
       end
     end
+
+    def issues
+      options = { project: project, current_user: current_user }
+
+      if project && project.jira_tracker?
+        @references[:external_issue] ||= references(:external_issue, options)
+      else
+        @references[:issue] ||= references(:issue, options)
+      end
+    end
   end
 end