Support forcing the order of rooms in the schedule

app/controllers/admin/rooms_controller.rb

@@ -48,7 +48,7 @@ module Admin
     private
 
     def room_params
-      params.require(:room).permit(:name, :size, :url)
+      params.require(:room).permit(:name, :size, :url, :order)
     end
   end
 end

app/models/room.rb

@@ -13,6 +13,9 @@ class Room < ApplicationRecord
   validates :name, :venue_id, presence: true
 
   validates :size, numericality: { only_integer: true, greater_than: 0 }, allow_nil: true
+  validates :order, numericality: { only_integer: true, greater_than: 0 }, allow_nil: true
+
+  default_scope { order(order: :asc) }
 
   def conference
     venue.conference

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

@@ -11,8 +11,7 @@
     = semantic_form_for(@room, url: (@room.new_record? ? admin_conference_venue_rooms_path : admin_conference_venue_room_path(@conference.short_title, @room))) do |f|
       = f.input :name, input_html: { autofocus: true }
       = f.input :size, label: 'Capacity', input_html: {size: 5}
-      = f.input :url, label: 'URL'
-      %p.small
-        The URL is only visible to registered attendees.
+      = f.input :order, label: 'Order', input_html: {size: 5}, hint: 'Force the order of rooms in the schedule.'
+      = f.input :url, label: 'URL', hint: 'The URL is only visible to registered attendees.'
       %p.text-right
         = f.action :submit, as: :button, button_html: { class: 'btn btn-primary' }

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

@@ -12,15 +12,18 @@
         %thead
           %th Name
           %th Capacity
+          %th Order
           %th URL
           %th Actions
         %tbody
           - @rooms.each_with_index do |room, index|
             %tr
-              %td
+              %th
                 = room.name
               %td
                 = room.size
+              %td
+                = room.order
               %td
                 = room.url
               %td

db/migrate/20200716181602_add_order_to_rooms.rb

@@ -0,0 +1,5 @@
+class AddOrderToRooms < ActiveRecord::Migration[5.2]
+  def change
+    add_column :rooms, :order, :int
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2020_07_15_034647) do
+ActiveRecord::Schema.define(version: 2020_07_16_181602) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -408,6 +408,7 @@ ActiveRecord::Schema.define(version: 2020_07_15_034647) do
     t.integer "size"
     t.integer "venue_id", null: false
     t.text "url"
+    t.integer "order"
   end
 
   create_table "schedules", force: :cascade do |t|