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

app/views/admin/schedules/_day_tab.html.haml

@@ -5,7 +5,9 @@
 - date_event_schedules = @event_schedules.select{ |e| e.start_time.to_date.eql? date }
 .row
   - @rooms.each do |room|
-    .col-md-2.col-xs-6
+    - non_schedulable = room.tracks.self_organized.confirmed.any? do |track|
+      - !track.schedules.include?(@schedule) && (track.start_date..track.end_date).include?(date)
+    .col-md-2.col-xs-6{ class: ('non_schedulable' if non_schedulable) }
       .room-name
         - room_date_event_schedules = date_event_schedules.select{ |e| e.room == room }
         = room.name

app/views/admin/schedules/_event.html.haml

@@ -7,12 +7,13 @@
 / subtracting the padding before calculate the number of lines
 - lines = (height - 7) / 23
 - color = event.track.try(:color).present? ? event.track.try(:color) : 'FFFFFF'
+- non_schedulable = event_schedule_id && (EventSchedule.find(event_schedule_id).schedule != @schedule)
 .schedule-event{ style: "height: #{height}px;  background-color: #{color}; color: #{contrast_color(color)}", |
                  id: "event-#{event.id}", |
                  event_id: event.id, |
                  length: cells_length, |
                  event_schedule_id: event_schedule_id, |
-                 class: ('compact' if compact_grid) }
+                 class: "#{'compact' if compact_grid} #{'non_schedulable' if non_schedulable}" }
   .schedule-event-text{ style: "-webkit-line-clamp: #{lines}; height: #{lines * 23}px;"}
     %span.schedule-event-delete-button{ onclick: "Schedule.remove(\'event-#{event.id}\');" } X
     = event.title

app/views/admin/schedules/_form.html.haml

@@ -0,0 +1,10 @@
+.row
+  .col-md-12
+    .page-header
+      %h1
+        New Track Schedule
+.row
+  .col-md-12
+    = semantic_form_for @schedule, url: admin_conference_schedules_path(@conference.short_title) do |f|
+      = f.input :track, collection: Track.accessible_by(current_ability).where(program: @program).self_organized.confirmed.pluck(:name, :id), include_blank: false
+      = f.action :submit, as: :button, button_html: { class: 'btn btn-primary' }

app/views/admin/schedules/index.html.haml

@@ -4,42 +4,85 @@
       %h1 Schedules
       %p.text-muted
         The schedules for your conference
-.row
-  .col-md-12
-    %table.table.table-hover#event_types
-      %thead
-        %th Schedule
-        %th Selected
-        %th Actions
-      %tbody
-        - @schedules.each do |schedule|
-          %tr
-            %td
-              Schedule
-              = schedule.id
-            %td
-              = selected_scheduled?(schedule)
-            %td
-              .btn-group{role: "group"}
-                = link_to 'Show', admin_conference_schedule_path(@conference.short_title, schedule.id),
-                method: :get, class: 'btn btn-primary'
-                = link_to 'Delete', admin_conference_schedule_path(@conference.short_title, schedule.id),
-                method: :delete, class: 'btn btn-danger', data: { confirm: "Do you really want to delete Schedule #{schedule.id}?" }
-.row
-  .col-md-12
-    - if @venue.try(:rooms).present?
-      .text-right
-        = link_to 'Add Schedule', admin_conference_schedules_path(@conference.short_title),
-        method: :post, class: 'btn btn-primary'
-    - elsif @venue
-      .h3
-        No Rooms!
-        %small
-          = link_to 'Create rooms', admin_conference_venue_rooms_path
-          before creating the schedule.
-    - else
-      .h3
-        No Venue!
-        %small
-          = link_to 'Create a venue with rooms', new_admin_conference_venue_path
-          before creating the schedule.
+.tabbable
+  %ul.nav.nav-tabs
+    %li.active
+      = link_to 'Conference schedules', '#conference', 'data-toggle' => 'tab'
+    %li
+      = link_to 'Track schedules', '#tracks', 'data-toggle' => 'tab'
+  .tab-content
+    .tab-pane.active#conference
+      .row
+        .col-md-12
+          %table.table.table-hover
+            %thead
+              %th Schedule
+              %th Selected
+              %th Actions
+            %tbody
+              - @schedules.where(track: nil).each do |schedule|
+                %tr
+                  %td
+                    Schedule
+                    = schedule.id
+                  %td
+                    = selected_scheduled?(schedule)
+                  %td
+                    .btn-group{role: "group"}
+                      - if can? :show, schedule
+                        = link_to 'Show', admin_conference_schedule_path(@conference.short_title, schedule),
+                        method: :get, class: 'btn btn-primary'
+                      - if can? :destroy, schedule
+                        = link_to 'Delete', admin_conference_schedule_path(@conference.short_title, schedule),
+                        method: :delete, class: 'btn btn-danger', data: { confirm: "Do you really want to delete Schedule #{schedule.id}?" }
+      .row
+        .col-md-12
+          - if @venue.try(:rooms).present?
+            .text-right
+              - if can? :create, @program.schedules.new
+                = link_to 'Add Schedule', admin_conference_schedules_path(@conference.short_title),
+                method: :post, class: 'btn btn-primary'
+          - elsif @venue
+            .h3
+              No Rooms!
+              %small
+                = link_to 'Create rooms', admin_conference_venue_rooms_path
+                before creating the schedule.
+          - else
+            .h3
+              No Venue!
+              %small
+                = link_to 'Create a venue with rooms', new_admin_conference_venue_path
+                before creating the schedule.
+    .tab-pane#tracks
+      .row
+        .col-md-12
+          %table.table.table-hover
+            %thead
+              %th Schedule
+              %th Track
+              %th Selected
+              %th Actions
+            %tbody
+              - @schedules.where.not(track: nil).each do |schedule|
+                %tr
+                  %td
+                    Schedule
+                    = schedule.id
+                  %td
+                    - track = schedule.track
+                    = link_to track.name, admin_conference_program_track_path(@conference.short_title, track)
+                  %td
+                    = schedule == schedule.track.selected_schedule ? 'Yes' : 'No'
+                  %td
+                    .btn-group{role: "group"}
+                      - if can? :show, schedule
+                        = link_to 'Show', admin_conference_schedule_path(@conference.short_title, schedule), class: 'btn btn-primary'
+                      - if can? :destroy, schedule
+                        = link_to 'Delete', admin_conference_schedule_path(@conference.short_title, schedule),
+                        method: :delete, class: 'btn btn-danger', data: { confirm: "Do you really want to delete Schedule #{schedule.id}?" }
+      .row
+        .col-md-12
+          .text-right
+            - if can? :new, @program.schedules.build(track: @program.tracks.new)
+              = link_to 'Add Track Schedule', new_admin_conference_schedule_path(@conference.short_title), class: 'btn btn-primary'

app/views/admin/schedules/show.html.haml

@@ -11,8 +11,15 @@
   .row
     .col-md-2
       Selected schedule
-      = check_box_tag @conference.short_title, @schedule.id, (@schedule.id == @selected_schedule.try(:id)),
-        method: :patch, url: (admin_conference_program_path(@conference.short_title) + '?[program][selected_schedule_id]='),
+      :ruby
+        if @schedule.track
+          value = @schedule == @schedule.track.selected_schedule
+          url = update_selected_schedule_admin_conference_program_track_path(@conference.short_title, @schedule.track) + '?[track][selected_schedule_id]='
+        else
+          value = @schedule.id == @selected_schedule.try(:id)
+          url = admin_conference_program_path(@conference.short_title) + '?[program][selected_schedule_id]='
+        end
+      = check_box_tag @conference.short_title, @schedule.id, value, method: :patch, url: url,
         class: 'switch-checkbox-schedule', data: { size: 'small',
                                           off_color: 'warning',
                                           on_text: 'Yes',

app/views/admin/tracks/index.html.haml

@@ -63,9 +63,19 @@
               .btn-group{role: "group"}
                 - if can? :edit, track
                   = link_to 'Edit', edit_admin_conference_program_track_path(@conference.short_title, track), class: 'btn btn-primary'
+                  - special_style = true
                 - if can? :destroy, track
                   = link_to 'Delete', admin_conference_program_track_path(@conference.short_title, track), method: :delete, class: 'btn btn-danger',
                   data: { confirm: "Do you really want to delete #{track.name}? Attention: This track will be removed from all Events that have it set" }
+                - if track.self_organized?
+                  - if track.selected_schedule
+                    - if can? :show, track.selected_schedule
+                      = link_to 'Show Schedule', admin_conference_schedule_path(@conference.short_title, track.selected_schedule),
+                      class: 'btn btn-default'
+                  - elsif can? :create, @program.schedules.build(track: track)
+                    = button_to 'Create Schedule', admin_conference_schedules_path(@conference.short_title),
+                    form: { class: 'btn', style: 'padding: 0px 0px; margin-top: -1px;' }, class: 'btn btn-default',
+                    style: ('border-top-left-radius: 0; border-bottom-left-radius: 0;' if special_style), params: { 'schedule[track_id]' => track.id }
 .row
   .col-md-12.text-right
     = link_to 'New Track', new_admin_conference_program_track_path(@conference.short_title), class: 'btn btn-success'

app/views/admin/tracks/show.html.haml

@@ -21,10 +21,20 @@
             - if can? :edit, @track
               = link_to 'Edit', edit_admin_conference_program_track_path(@conference.short_title, @track),
               method: :get, class: 'btn btn-primary'
+              - special_style = true
             - if can? :destroy, @track
               = link_to 'Delete', admin_conference_program_track_path(@conference.short_title, @track),
               method: :delete, class: 'btn btn-danger',
               data: { confirm: "Do you really want to delete #{@track.name}? Attention: This track will be removed from all Events that have it set" }
+            - if @track.self_organized?
+              - if @track.selected_schedule
+                - if can? :show, @track.selected_schedule
+                  = link_to 'Show Schedule', admin_conference_schedule_path(@conference.short_title, @track.selected_schedule),
+                  class: 'btn btn-default'
+              - elsif can? :create, @program.schedules.build(track: @track)
+                = button_to 'Create Schedule', admin_conference_schedules_path(@conference.short_title),
+                form: { class: 'btn', style: 'padding: 0px 0px; margin-top: -1px;' }, class: 'btn btn-default',
+                style: ('border-top-left-radius: 0; border-bottom-left-radius: 0;' if special_style), params: { 'schedule[track_id]' => @track.id }
       .row
         .col-md-12
           %table.table