created a new user mailer

Gemfile

@@ -10,6 +10,9 @@ gem 'haml', '3.1.6'
 gem 'sass-rails',   '~> 3.2.3'
 gem 'uglifier', '>= 1.0.3'
 
+# Email
+gem 'letter_opener', '0.0.2'
+
 # Application Logic Gems
 gem 'bcrypt-ruby', '~> 3.0.0'
 gem 'declarative_authorization', '0.5.5'

Gemfile.lock

@@ -28,6 +28,7 @@ GEM
     activesupport (3.2.6)
       i18n (~> 0.6)
       multi_json (~> 1.0)
+    addressable (2.3.2)
     arel (3.0.2)
     bcrypt-ruby (3.0.1)
     builder (3.0.0)
@@ -50,6 +51,10 @@ GEM
     koala (1.5.0)
       faraday (~> 0.7)
       multi_json (~> 1.3)
+    launchy (2.1.2)
+      addressable (~> 2.3)
+    letter_opener (0.0.2)
+      launchy
     mail (2.4.4)
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
@@ -118,6 +123,7 @@ DEPENDENCIES
   haml (= 3.1.6)
   httparty
   koala
+  letter_opener (= 0.0.2)
   mysql2 (= 0.3.11)
   net-ldap
   rails (= 3.2.6)

app/controllers/ajax/ajax_controller.rb

@@ -25,6 +25,7 @@ def ajax_exception_wrapper
     begin
       yield
     rescue Exception => e
+      e.backtrace.each { |l| logger.error l } if Rails.env.development?
       msg = Rails.env.production? ?  default_exception_message : e.message
       respond_with_json(400, msg, e)
     end

app/controllers/ajax/users_controller.rb

@@ -7,7 +7,9 @@ def sign_up_by_email_and_type
     user.user_type = UserType.find_by_type_name params[:user_type][:type_name]
     user.set_fullname_from_ldap if user.is_student?
 
-    user.save!
+    #user.save!
+
+    UserMailer.new_user(user).deliver
 
     response_text = user.first_name.empty? ? "Thank you for registering!" : "Thank you for registering, #{user.first_name}!"
     respond_with_json 200, response_text, {}

app/controllers/application_controller.rb

@@ -13,6 +13,7 @@ class ApplicationController < ActionController::Base
     # Handler for redirecting to the 404 page
     def render_404(error)
       @error_message = error
+      logger.error error.backtrace if Rails.env.development?
       render template: "static_pages/error", status: 404
     end
 

app/mailers/user_mailer.rb

@@ -0,0 +1,10 @@
+class UserMailer < ActionMailer::Base
+
+  default from: "no-reply@michiganhackers.org"
+
+  def new_user(user)
+    @user = user
+    mail(to: user.email, subject: "Welcome to Michigan Hackers")
+  end
+
+end

app/views/user_mailer/new_user.haml

@@ -0,0 +1,13 @@
+%table{style: "font-weight:lighter;line-height:18px;margin: 0px auto; font-family:sans-serif;", width: "760px", height: "100px"}
+	%trbody
+		%tr
+			%td
+				%div{style: "border-bottom: 2px solid #FF3C00;padding:20px 0px 10px 0px;"}
+					%img{style: "vertical-align:middle;height:60px;display:inline-block;", src: "http://michiganhackers.org/assets/images/logo_orange.png"}
+					%h1{style: "margin:0px;font-size:60px;padding-left:10px;vertical-align:middle;display:inline-block;color: #FF3C00"}= "Michigan Hackers"
+		%tr
+			%td
+				%div{style: "width:1px;height:20px;"}
+		%tr
+			%td
+				%p= "Thank you for registering with Michigan Hackers! The rest of the copy goes here."

config/environments/development.rb

@@ -29,4 +29,8 @@
   # with SQLite, MySQL, and PostgreSQL)
   config.active_record.auto_explain_threshold_in_seconds = 0.5
 
+  # Setting up the action mailer to use letter_opener
+  config.action_mailer.delivery_method = :letter_opener
+  config.action_mailer.smtp_settings = {}
+
 end