1 files changed, 52 insertions, 0 deletions
diff --git a/lib/error_tracking/sentry_client/issue_link.rb b/lib/error_tracking/sentry_client/issue_link.rb
new file mode 100644
index 00000000000..1c2e8c4147a
--- /dev/null
+++ b/lib/error_tracking/sentry_client/issue_link.rb
@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+module ErrorTracking
+  class SentryClient
+    module IssueLink
+      # Creates a link in Sentry corresponding to the provided
+      # Sentry issue and GitLab issue
+      # @param integration_id [Integer, nil] Representing a global
+      #          GitLab integration in Sentry. Nil for plugins.
+      # @param sentry_issue_id [Integer] Id for an issue from Sentry
+      # @param issue [Issue] Issue for which the link should be created
+      def create_issue_link(integration_id, sentry_issue_id, issue)
+        return create_plugin_link(sentry_issue_id, issue) unless integration_id
+
+        create_global_integration_link(integration_id, sentry_issue_id, issue)
+      end
+
+      private
+
+      def create_global_integration_link(integration_id, sentry_issue_id, issue)
+        issue_link_url = global_integration_link_api_url(integration_id, sentry_issue_id)
+
+        params = {
+          project: issue.project.id,
+          externalIssue: "#{issue.project.id}##{issue.iid}"
+        }
+
+        http_put(issue_link_url, params)
+      end
+
+      def global_integration_link_api_url(integration_id, sentry_issue_id)
+        issue_link_url = URI(url)
+        issue_link_url.path = "/api/0/groups/#{sentry_issue_id}/integrations/#{integration_id}/"
+
+        issue_link_url
+      end
+
+      def create_plugin_link(sentry_issue_id, issue)
+        issue_link_url = plugin_link_api_url(sentry_issue_id)
+
+        http_post(issue_link_url, issue_id: issue.iid)
+      end
+
+      def plugin_link_api_url(sentry_issue_id)
+        issue_link_url = URI(url)
+        issue_link_url.path = "/api/0/issues/#{sentry_issue_id}/plugins/gitlab/link/"
+
+        issue_link_url
+      end
+    end
+  end
+end