Louis | Adding mark-as-sold button to bike edit page

app/controllers/bikes_controller.rb

@@ -4,6 +4,10 @@ class BikesController < ApplicationController
 
   def index
     @bikes = Bike.all
+    @unsold_bikes = @bikes.select{|bike| 
+      !bike.date_sold && 
+      (bike.purpose == "Sale") 
+    }
   end
 
   def show
@@ -47,6 +51,17 @@ class BikesController < ApplicationController
     redirect_to bikes_url
   end
 
+  def mark_as_sold
+    current_date = Time.new.strftime("%Y-%m-%d") 
+    @bike = Bike.find(params[:id])
+    if @bike.update_attribute(:date_sold, current_date)
+      redirect_to bikes_url, notice: @bike.name + ' was marked as sold on ' + current_date + '.'
+    else
+      render action: edit, notice: 'Bike sale date could not be updated' 
+    end
+  end
+
+
   private
     def set_bike
       @bike = Bike.find(params[:id])