Several schedules in the backend && routes changed

- Introduce plural resources for Schedule in routes.rb
- Introduce #index and #create actions for ScheduleController
- Make it possible to set a schedule as selected_schedule

app/controllers/admin/schedule_controller.rb

@@ -0,0 +1,102 @@
+module Admin
+  class ScheduleController < Admin::BaseController
+    # By authorizing 'conference' resource, we can ensure there will be no unauthorized access to
+    # the schedule of a conference, which should not be accessed in the first place
+    load_and_authorize_resource :conference, find_by: :short_title
+    load_and_authorize_resource :program, through: :conference, singleton: true
+    load_resource :venue, through: :conference, singleton: true
+
+    skip_before_action :verify_authenticity_token, only: [:update]
+
+    def index
+      @schedules = @conference.program.schedules
+      @selected_schedule = @conference.program.selected_schedule
+    end
+
+    def create
+      new_schedule = @program.schedules.create
+      redirect_to action: 'show', id: new_schedule.id
+    end
+
+    def show
+      authorize! :update, @program.events.new
+      @schedule_id = params[:id].to_i
+      @selected_schedule_id = @conference.program.selected_schedule.try(:id)
+      @dates = @conference.start_date..@conference.end_date
+      @rooms = (@venue && @venue.rooms.any?) ? @venue.rooms : [Room.new(name: 'No Rooms!', size: 0)]
+    end
+
+    def update
+      event = @program.events.new
+      authorize! :update, event
+      event.destroy
+
+      if params[:selected_schedule].present?
+        if params[:selected_schedule] == 'true'
+          @program.selected_schedule_id = params[:id].to_i
+        elsif params[:selected_schedule] == 'false' && (@program.selected_schedule_id == params[:id].to_i)
+          @program.selected_schedule_id = nil
+        end
+        @program.save!
+        render json: { 'status' => 'ok' }
+        return
+      end
+
+      event = Event.where(guid: params[:event]).first
+      error_message = nil
+      if event.nil?
+        error_message = "Could not find event GUID: #{params[:event]}"
+      end
+
+      event_schedule = event.event_schedule(params[:schedule])
+
+      if params[:date] == 'none'
+        event_schedule.destroy if event_schedule.present?
+        render json: { 'status' => 'ok' }
+        return
+      end
+
+      Rails.logger.debug(event_schedule.present?.to_s)
+      event_schedule = event.event_schedules.new(schedule_id: params[:schedule]) unless event_schedule.present?
+      room = Room.where(guid: room_params).first
+
+      if room.nil?
+        error_message = "Could not find room GUID: #{params[:room]}"
+      end
+
+      unless error_message.nil?
+        render json: { 'status' => 'error', 'message' => error_message }, status: 500
+        return
+      end
+
+      event_schedule.room = room
+      time = "#{params[:date]} #{params[:time]}"
+
+      Rails.logger.debug("Loading #{time}")
+      # FIXME: Same here as in events_controller.rb. Event timezone should be applied
+      # only on output
+      # zone = ActiveSupport::TimeZone::new(@conference.timezone)
+      # start_time = DateTime.strptime(time + zone.formatted_offset, "%Y-%m-%d %k:%M %Z")
+      start_time = DateTime.strptime(time, '%Y-%m-%d %k:%M')
+      event_schedule.start_time = start_time
+      event_schedule.save!
+      render json: { 'status' => 'ok' }
+    end
+
+    def destroy
+      if @schedule.destroy
+        redirect_to admin_conference_schedule_index_path(conference_id: @conference.short_title),
+                    notice: 'Schedule successfully deleted.'
+      else
+        redirect_to admin_conference_schedule_index_path(conference_id: @conference.short_title),
+                    error: "Schedule couldn't be deleted. #{@schedule.errors.full_messages.join('. ')}."
+      end
+    end
+
+    private
+
+    def room_params
+      params.require(:room)
+    end
+  end
+end