Setup booth group mvc

app/controllers/admin/booth_groups_controller.rb

@@ -0,0 +1,56 @@
+# frozen_string_literal: true
+
+module Admin
+  class BoothGroupsController < Admin::BaseController
+    load_and_authorize_resource :conference, find_by: :short_title
+    load_and_authorize_resource :program, through: :conference, singleton: true
+    load_and_authorize_resource :booth_group, through: :program
+
+    def index; end
+
+    def edit; end
+
+    def new
+      @booth_group = @conference.program.booth_groups.new(color: @conference.next_color_for_collection(:booth_groups))
+    end
+
+    def create
+      @booth_group = @conference.program.booth_groups.new(booth_group_params)
+      if @booth_group.save
+        redirect_to admin_conference_booths_path(conference_id: @conference.short_title),
+                    notice: "#{(t 'booth').capitalize} group successfully created."
+      else
+        flash.now[:error] = "Creating #{t 'booth'} group failed: #{@booth_group.errors.full_messages.join('. ')}."
+        render :new
+      end
+    end
+
+    def update
+      if @booth_group.update_attributes(booth_group_params)
+        redirect_to admin_conference_booths_path(conference_id: @conference.short_title),
+                    notice: "#{(t 'booth').capitalize} group successfully updated."
+      else
+        flash.now[:error] = "Update #{t 'booth'} group failed: #{@booth_group.errors.full_messages.join('. ')}."
+        render :edit
+      end
+    end
+
+    def destroy
+      if @booth_group.destroy
+        redirect_to admin_conference_booths_path(conference_id: @conference.short_title),
+                    notice: "#{(t 'booth').capitalize} group successfully deleted."
+      else
+        redirect_to admin_conference_booths_path(conference_id: @conference.short_title),
+                    error: "Destroying #{t 'booth'} group failed! "\
+                    "#{@booth_group.errors.full_messages.join('. ')}."
+      end
+    end
+
+    private
+
+    def booth_group_params
+      params.require(:booth_group).permit(:name, :color, :conference_id,
+                                          :created_at, :updated_at, booth_ids: [])
+    end
+  end
+end