Implement track scheduling

Add track association to schedule
Show schedules in admin sidebar to track organizers
Allow track organizers to manage the schedules of their tracks
Don't allow self-organized track events to be dragged or unscheduled in
a conference schedule
Make scheduled events of self-organized tracks appear semitransparent in
conference schedules
Make the rooms of confirmed self_organized tracks appear semitransparent
and don't allow events to be scheduled to it in the conference schedules
during the dates of its track
Create admin/SchedulesController#new action
Add a button in admin/Schedules#index to create schedules for tracks
Add self_organized scope to Track
Modify Schedules#show to handle track schedules and show a unified
schedule
Allow track organizers to create new schedules for their tracks
Correctly identify scheduled and unscheduled events in Schedules#events
Fix Event#room and Event#time for when the event is scheduled in a track
schedule
Modify Program#selected_event_schedules to include the event_schedules
of selected track schedules
Modify Track#revoke_role_and_cleanup to destroy the track's schedules
and revert its events' state to new
Add tabs for conference and track schedules in admin/Schedules#index
Add button to Create/Show a tracks schedule in Tracks#index and #show
Fix concurrent_events in application_helper because of changes in
Program#selected_event_schedules
Do not take into account cfp_active in Event#valid_track
Modify EventsController#get_tracks accordingly
Enforce cfp_active of track to be enabled for proposals in
ProposalsController#create and #update
Add support for multiple schedules per track
Add selected_schedule_id to Track
Load EventSchedules of selected track schedules for conference schedules
in admin/SchedulesController#show
Modify SchedulesController#show to take into account only the selected
track schedules
Create Event#selected_schedule_id and use it in Event#scheduled? and
Event#time
Validate that an EventSchedule for an event of a self-organized track
belongs to one of the track's schedules
Add 'Manage' button in Tracks#index, #show that sends you to the admin
side of things
Add admin/TracksController#update_selected_schedule to update the
selected_schedule_id of tracks

spec/models/event_spec.rb

@@ -97,10 +97,10 @@ describe Event do
       end
     end
 
-    describe '#acceptable_track' do
+    describe '#valid_track' do
       context 'is valid' do
-        it 'when the track belong to the same program, is confirmed and is included in the cfp' do
-          track = create(:track, state: 'confirmed', cfp_active: true, program: conference.program)
+        it 'when the track belongs to the same program and is confirmed' do
+          track = create(:track, state: 'confirmed', program: conference.program)
           event = build(:event, program: conference.program, track: track)
           expect(event.valid?).to eq true
         end
@@ -108,26 +108,19 @@ describe Event do
 
       context 'is invalid' do
         it 'when the track doesn\'t have the same program' do
-          track = create(:track, state: 'confirmed', cfp_active: true)
+          track = create(:track, state: 'confirmed')
           event = build(:event, program: conference.program, track: track)
           expect(event.valid?).to eq false
           expect(event.errors[:track]).to eq ['is invalid']
         end
 
         it 'when the track is unconfirmed' do
-          track = create(:track, cfp_active: true, program: conference.program)
+          track = create(:track, program: conference.program)
           allow(track).to receive(:confirmed?).and_return(false)
           event = build(:event, program: conference.program, track: track)
           expect(event.valid?).to eq false
           expect(event.errors[:track]).to eq ['is invalid']
         end
-
-        it 'when the track isn\'t included in the cfp' do
-          track = create(:track, state: 'confirmed', cfp_active: false, program: conference.program)
-          event = build(:event, program: conference.program, track: track)
-          expect(event.valid?).to eq false
-          expect(event.errors[:track]).to eq ['is invalid']
-        end
       end
     end
   end
@@ -382,4 +375,30 @@ describe Event do
       expect(other_event.week).to eq 48
     end
   end
+
+  describe '#selected_schedule_id' do
+    before :each do
+      conference.program.selected_schedule = create(:schedule, program: conference.program)
+    end
+
+    context 'returns the program\'s selected_schedule_id' do
+      it 'when it doesn\'t have a track' do
+        create(:event_schedule, event: event, schedule: conference.program.selected_schedule)
+        expect(event.send(:selected_schedule_id)).to eq conference.program.selected_schedule_id
+      end
+
+      it 'when it belongs to a regular track' do
+        event.track = create(:track, program: conference.program)
+        expect(event.send(:selected_schedule_id)).to eq conference.program.selected_schedule_id
+      end
+    end
+
+    context 'returns the track\'s selected_schedule_id' do
+      it 'when it belongs to a self-organized track' do
+        event.track = create(:track, :self_organized, program: conference.program, state: 'confirmed')
+        event.track.selected_schedule = create(:schedule, program: conference.program, track: event.track)
+        expect(event.send(:selected_schedule_id)).to eq event.track.selected_schedule_id
+      end
+    end
+  end
 end