Implement RSVP mailer

app/controllers/rsvps_controller.rb

@@ -54,6 +54,7 @@ def create
 
     respond_to do |format|
       if @rsvp.save
+        RSVPMailer.rsvp_email(current_user, @rsvp.event).deliver
         format.html { redirect_to(@event, :notice => 'Thanks for RSVPing! See you there!') }
         format.xml  { render :xml => @rsvp, :status => :created, :location => @rsvp }
       else

app/mailers/rsvp_mailer.rb

@@ -0,0 +1,11 @@
+class RSVPMailer < ActionMailer::Base
+  def rsvp_email(user, event)
+    @user = user
+    @event = event 
+    mail(
+      :from => "[email protected]",
+      :to => user.email,
+      :subject => "[HKN] RSVP Notification"
+    )
+  end
+end

app/views/rsvp_mailer/rsvp_email.html.erb

@@ -0,0 +1,3 @@
+<%= @user.full_name %>,
+
+You have RSVP'd for <%= @event.title %>, starting at <%= @event.start_time.strftime('%a %m/%d/%y %I:%M%p') %>.