1 files changed, 25 insertions, 0 deletions
diff --git a/lib/banzai/reference_parser/external_issue_parser.rb b/lib/banzai/reference_parser/external_issue_parser.rb
new file mode 100644
index 00000000000..a1264db2111
--- /dev/null
+++ b/lib/banzai/reference_parser/external_issue_parser.rb
@@ -0,0 +1,25 @@
+module Banzai
+  module ReferenceParser
+    class ExternalIssueParser < BaseParser
+      self.reference_type = :external_issue
+
+      def referenced_by(nodes)
+        issue_ids = issue_ids_per_project(nodes)
+        projects = find_projects_for_hash_keys(issue_ids)
+        issues = []
+
+        projects.each do |project|
+          issue_ids[project.id].each do |id|
+            issues << ExternalIssue.new(id, project)
+          end
+        end
+
+        issues
+      end
+
+      def issue_ids_per_project(nodes)
+        gather_attributes_per_project(nodes, self.class.data_attribute)
+      end
+    end
+  end
+end