Allow export of previous year sessions

src/app/controllers/sessions_controller.rb

@@ -28,7 +28,12 @@ def update
   end
 
   def index
-    @sessions = Event.current_event.sessions
+    if params[:event_id].present?
+      @event = Event.find(params[:event_id])
+    else
+      @event = Event.current_event
+    end
+    @sessions = @event.sessions
     respond_with @sessions do |format|
       format.json {
         render json: SessionsJsonBuilder.new.to_json(@sessions.uniq.flatten)

src/spec/controllers/sessions_controller_spec.rb

@@ -7,9 +7,10 @@
   end
 
   let(:user) { create(:participant) }
+  let(:event) { create(:event) }
 
   context "with an existing session" do
-    let!(:session) { create(:session) }
+    let!(:session) { create(:session, event: event) }
 
     describe "update" do
       it "should not be updatable by someone who doesn't own it" do
@@ -68,6 +69,25 @@
           expect(response.body).to eq SessionsJsonBuilder.new.to_json([session])
         end
       end
+
+      describe "when there are multiple events" do
+        let!(:event2) { create :event }
+        let!(:joe) { create :joe }
+        let!(:session2) { create(:session, event: event2, participant: joe) }
+        before do
+          Settings.instance.update_attribute(:current_event_id, event.id)
+        end
+
+        it "should allow exporting previous events" do
+          get :index, { event_id: event2.id }
+          expect(response).to be_successful
+          expect(assigns[:sessions]).to eq [session2]
+
+          get :index, { event_id: event.id }
+          expect(response).to be_successful
+          expect(assigns[:sessions]).to eq [session]
+        end
+      end
     end
   end