switch to a waiting list when all seats are filled

rsvp.rb

@@ -9,6 +9,7 @@
 set :port, 5062
 
 NEXT_EVENT = "A get together somewhere!"
+WAITING_LIST = "waiting list"
 RSVP_LIMIT = 95
 CONTACT = "rsvp@someaddress"
 
@@ -19,16 +20,25 @@ def rsvps_left()
   RSVP_LIMIT - rsvps.length
 end
 
-def rsvp(user)
-  REDIS.set "#{NEXT_EVENT}:#{user['email']}", user.to_json
+def waitinglist_count()
+  rsvps = REDIS.keys "#{WAITING_LIST}*"
+  rsvps.length
+end
+
+def rsvp(redis_connection,user)
+  REDIS.set "#{redis_connection}:#{user['email']}", user.to_json
 end
 
 def already_rsvpd(email)
-  REDIS.exists "#{NEXT_EVENT}:#{email}"
+  if (REDIS.exists "#{NEXT_EVENT}:#{email}") || (REDIS.exists "#{WAITING_LIST}:#{email}")
+    return true
+  else
+    return false
+  end
 end
 
-def delete(email)
-  REDIS.del("#{NEXT_EVENT}:#{email}")
+def delete(redis_connection,email)
+  REDIS.del("#{redis_connection}:#{email}")
 end
 
 def get_auth(email)
@@ -54,6 +64,26 @@ def send_email(email,string)
   )
 end
 
+def send_waitinglist_email(email,string)
+  ses = AWS::SES::Base.new(
+    :access_key_id  => 'id',
+    :secret_access_key => 'key'
+  )
+  # stick the user info into the subject instead of headers
+  ses.send_email(
+    :to => email,
+    :from => CONTACT,
+    :subject => "Thanks for getting on our #{NEXT_EVENT} waiting list",
+    :body => "Hi there.  You're now on our waiting list for #{NEXT_EVENT}.
+
+We'll email you if a seat becomes available.
+
+If you have any questions, please feel free to reply to this email."
+
+  )
+end
+
+
 # jacked from http://vitobotta.com/sinatra-contact-form-jekyll/
 def valid_email?(email)
   if email =~ /^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/
@@ -73,42 +103,46 @@ def valid_email?(email)
   if @seats > 0 
     erb :open
   else
-    erb :closed
+    @seats = RSVP_LIMIT - @seats
+    @waitinglist = waitinglist_count
+    erb :waitinglist
   end
 end
 
 post '/rsvp' do
-  if rsvps_left > 0 
-    if captcha_pass?
-      user = Hash.new
-      params[:user].each do |k,v|
-	user[k] = Sanitize.clean(v)
-      end
-      unless (user[:name])
-	@msg = "Hey, friend.  Please enter your first and last name. We might have name tags."
-	erb :msg
-      end
-      email = user["email"]
-      user["cancel"] = rand(36**15).to_s(36)
-      if valid_email?(email)
-	unless already_rsvpd(email)
-	  rsvp(user)
-	  send_email(email,user["cancel"])
-	  erb :confirmed
-	else
-	  @msg = "you are already rsvp'd for this event"
-	  erb :msg
-	end
+  @msg=''
+  if captcha_pass?
+    user = Hash.new
+    params[:user].each do |k,v|
+      user[k] = Sanitize.clean(v)
+    end
+    unless (user[:name])
+      @msg = "Hey, friend.  Please enter your first and last name. We might have name tags."
+      erb :msg
+    end
+    email = user["email"]
+    user["cancel"] = rand(36**15).to_s(36)
+    unless valid_email?(email)
+      @msg = "your email looks fake.  are you a bot?"
+      erb :msg
+    end
+    if !already_rsvpd(email)
+      if rsvps_left > 0
+	rsvp(NEXT_EVENT,user)
+	send_email(email,user["cancel"])
+	erb :confirmed
       else
-	@msg = "your email looks fake.  are you a bot?"
-	erb :msg
+	rsvp(WAITING_LIST,user)
+	send_waitinglist_email(email,user["cancel"])
+	erb :confirmed_waitinglist
       end
     else
-      @msg = "the captcha was wrong.  are you a bot?"
+      @msg = "you are already rsvp'd for this event"
       erb :msg
     end
-  else #someone is fucking with us
-    erb :closed
+  else
+    @msg = "the captcha was wrong.  are you a bot?"
+    erb :msg
   end
 end
 
@@ -122,7 +156,7 @@ def valid_email?(email)
   email = params["email"]
   if already_rsvpd(email)
     if authstring == get_auth(email)
-      delete(email)
+      delete(NEXT_EVENT,email)
       @msg = "You have canceled from our #{NEXT_EVENT} event"
     else
       @msg = "Sorry, I think this request is bogus.  Email us at #{CONTACT} to cancel"