1 files changed, 53 insertions, 0 deletions
diff --git a/lib/gitlab/jira_import/user_mapper.rb b/lib/gitlab/jira_import/user_mapper.rb
new file mode 100644
index 00000000000..208ee49b724
--- /dev/null
+++ b/lib/gitlab/jira_import/user_mapper.rb
@@ -0,0 +1,53 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module JiraImport
+    class UserMapper
+      include ::Gitlab::Utils::StrongMemoize
+
+      def initialize(project, jira_user)
+        @project = project
+        @jira_user = jira_user
+      end
+
+      def execute
+        return unless jira_user
+
+        email = jira_user['emailAddress']
+
+        # We also include emails that are not yet confirmed
+        users = User.by_any_email(email).to_a
+
+        user = users.first
+
+        # this event should never happen but we should log it in case we have invalid data
+        log_user_mapping_message('Multiple users found for an email address', email) if users.count > 1
+
+        unless project.project_member(user) || project.group&.group_member(user)
+          log_user_mapping_message('Jira user not found', email)
+
+          return
+        end
+
+        user
+      end
+
+      private
+
+      attr_reader :project, :jira_user, :params
+
+      def log_user_mapping_message(message, email)
+        logger.info(
+          project_id: project.id,
+          project_path: project.full_path,
+          user_email: email,
+          message: message
+        )
+      end
+
+      def logger
+        @logger ||= Gitlab::Import::Logger.build
+      end
+    end
+  end
+end