ability to track resources used in conference

app/controllers/admin/resources_controller.rb

@@ -0,0 +1,52 @@
+module Admin
+  class ResourcesController < ApplicationController
+    load_and_authorize_resource :conference, find_by: :short_title
+    load_and_authorize_resource :resource, only: [:show, :edit, :update, :destroy]
+
+    def index; end
+
+    def edit; end
+
+    def new
+      @resource = @conference.resources.new
+    end
+
+    def create
+      @resource = @conference.resources.new(resource_params)
+      if @resource.save
+        redirect_to admin_conference_resources_path(conference_id: @conference.short_title),
+                    notice: 'Resource successfully created.'
+      else
+        flash[:error] = "Creating resource failed: #{@resource.errors.full_messages.join('. ')}."
+        render :new
+      end
+    end
+
+    def update
+      if @resource.update_attributes(resource_params)
+        redirect_to admin_conference_resources_path(conference_id: @conference.short_title),
+                    notice: 'Resource successfully updated.'
+      else
+        flash[:error] = "Resource update failed: #{@resource.errors.full_messages.join('. ')}."
+        render :edit
+      end
+    end
+
+    def destroy
+      if @resource.destroy
+        redirect_to admin_conference_resources_path(conference_id: @conference.short_title),
+                    notice: 'Resource successfully destroyed.'
+      else
+        redirect_to admin_conference_resources_path(conference_id: @conference.short_title),
+                    error: 'Resource was successfully destroyed.' \
+  	                "#{@resource.errors.full_messages.join('. ')}."
+      end
+    end
+
+    private
+
+    def resource_params
+      params.require(:resource).permit(:name, :description, :quantity, :used, :conference_id)
+    end
+  end
+end