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Configuring the mailer to use Sendgrid and creating a 'welcome' email for new veteran signups.
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‎app/controllers/veterans_controller.rb‎

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respond_to do |format|
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if @veteran.save
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UserMailer.welcome(@veteran).deliver
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format.html { redirect_to action_path, notice: 'Thanks for signing up!' }
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format.json { render :show, status: :created, location: @veteran }
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else

‎app/mailers/user_mailer.rb‎

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class UserMailer < ActionMailer::Base
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default from: "[email protected]"
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def welcome(user)
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@user = user
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mail to: user.email, subject: "Welcome to OperationCode"
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end
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end

‎app/models/admin_user.rb‎

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# == Schema Information
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#
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# Table name: admin_users
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#
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# id :integer not null, primary key
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# email :string(255) default(""), not null
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# encrypted_password :string(255) default(""), not null
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# reset_password_token :string(255)
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# reset_password_sent_at :datetime
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# remember_created_at :datetime
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# sign_in_count :integer default(0), not null
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# current_sign_in_at :datetime
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# last_sign_in_at :datetime
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# current_sign_in_ip :string(255)
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# last_sign_in_ip :string(255)
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# created_at :datetime
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# updated_at :datetime
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#
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class AdminUser < ActiveRecord::Base
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# Include default devise modules. Others available are:
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# :confirmable, :lockable, :timeoutable and :omniauthable

‎app/views/user_mailer/welcome.html.erb‎

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<p>
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Hooah! Thanks for signing up and joining us in this important fight!
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As many of you know I got off active-duty last year and applied to code school, but couldn't use my New GI Bill.
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So like any great hacker I'm self-taught. Here's some of the places I've learned at:
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</p>
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<ul>
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<li>
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<%= link_to "Programming 'M!' (Good starting point)", "http://programming-motherfucker.com/become.html" %>
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</li>
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<li>
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<%= link_to "CodeAcademy", "http://www.codecademy.com/" %>
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</li>
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<li>
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<%= link_to "Thinkful", "http://www.thinkful.com/" %>
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</li>
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<li>
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<%= link_to "HackHands", "https://hackhands.com/" %>
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</li>
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</ul>
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<p>Good Reading:</p>
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<ul>
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<li>
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<%= link_to "Learn to Program by Chris Pine", "https://pine.fm/LearnToProgram/" %>
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</li>
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<li>
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<%= link_to "Hackers & Painters by Paul Graham", "http://www.paulgraham.com/hp.html" %>
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</li>
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</ul>
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<p>Conferences:</p>
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<ul>
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<li>
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<%= link_to "RailsConf", "http://railsconf.com/" %>
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</li>
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<li>
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<%= link_to "Techstars Patriot Boot Camp", "http://www.techstars.com/patriotbootcamp/" %>
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</li>
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</ul>
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<p>
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Lastly, help us get the word out by sharing OperationCode with your battle buddies and friends: http://lnc.hr/PY6P0
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</p>
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<p>
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Thank you, we'll be in touch,<br />
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David Molina (<%= link_to "@davidcmolina", "https://twitter.com/davidcmolina"%>)<br />
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Founder, OperationCode; <br />
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Self-Taught Programmer, and Former U.S. Army Captain
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</p>

‎config/environments/development.rb‎

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# JDavis: adding this for Devise.
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config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }
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# JDavis: using letter_opener for viewing emails in development
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config.action_mailer.delivery_method = :letter_opener
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# Print deprecation notices to the Rails logger.
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config.active_support.deprecation = :log

‎config/environments/production.rb‎

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config.consider_all_requests_local = false
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config.action_controller.perform_caching = true
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# JDavis: email settings for Sendgrid
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config.action_mailer.delivery_method = :smtp
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config.action_mailer.smtp_settings = {
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address: 'smtp.sendgrid.net',
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port: '587',
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user_name: ENV['SENDGRID_USERNAME'],
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password: ENV['SENDGRID_PASSWORD'],
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domain: 'operationcode.org',
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authentication: :plain,
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enable_starttls_auto: true
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}
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config.action_mailer.default_url_options = { host: 'www.operationcode.org' }
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# Enable Rack::Cache to put a simple HTTP cache in front of your application

‎config/initializers/devise.rb‎

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# Configure the e-mail address which will be shown in Devise::Mailer,
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# note that it will be overwritten if you use your own mailer class
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# with default "from" parameter.
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config.mailer_sender = '[email protected]'
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config.mailer_sender = '[email protected]'
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# Configure the class responsible to send e-mails.
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# config.mailer = 'Devise::Mailer'

‎test/fixtures/admin_users.yml‎

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# == Schema Information
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#
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# Table name: admin_users
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#
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# id :integer not null, primary key
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# email :string(255) default(""), not null
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# encrypted_password :string(255) default(""), not null
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# reset_password_token :string(255)
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# reset_password_sent_at :datetime
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# remember_created_at :datetime
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# sign_in_count :integer default(0), not null
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# current_sign_in_at :datetime
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# last_sign_in_at :datetime
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# current_sign_in_ip :string(255)
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# last_sign_in_ip :string(255)
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# created_at :datetime
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# updated_at :datetime
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#
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# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
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# This model initially had no columns defined. If you add columns to the

‎test/mailers/previews/user_mailer_preview.rb‎

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# Preview all emails at http://localhost:3000/rails/mailers/user_mailer
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class UserMailerPreview < ActionMailer::Preview
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end

‎test/mailers/user_mailer_test.rb‎

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require 'test_helper'
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class UserMailerTest < ActionMailer::TestCase
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# test "the truth" do
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# assert true
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# end
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end

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