Merge branch 'fix-json-endpoint-redirection' into 'master'

Bugfix: don't redirect to JSON endpoints after sign in

See merge request !11561

app/controllers/projects/issues_controller.rb

@@ -277,7 +277,10 @@ class Projects::IssuesController < Projects::ApplicationController
 
     notice = "Please sign in to create the new issue."
 
-    store_location_for :user, request.fullpath
+    if request.get? && !request.xhr?
+      store_location_for :user, request.fullpath
+    end
+
     redirect_to new_user_session_path, notice: notice
   end
 end

spec/controllers/projects/issues_controller_spec.rb

@@ -156,6 +156,32 @@ describe Projects::IssuesController do
     end
   end
 
+  describe 'Redirect after sign in' do
+    context 'with an AJAX request' do
+      it 'does not store the visited URL' do
+        xhr :get,
+          :show,
+          format: :json,
+          namespace_id: project.namespace,
+          project_id: project,
+          id: issue.iid
+
+        expect(session['user_return_to']).to be_blank
+      end
+    end
+
+    context 'without an AJAX request' do
+      it 'stores the visited URL' do
+        get :show,
+          namespace_id: project.namespace.to_param,
+          project_id: project,
+          id: issue.iid
+
+        expect(session['user_return_to']).to eq("/#{project.namespace.to_param}/#{project.to_param}/issues/#{issue.iid}")
+      end
+    end
+  end
+
   describe 'PUT #update' do
     before do
       sign_in(user)