Requisites:
- Create a free account at https://www.mailgun.com/
- Save your API Key as a environment variables:
export MAILGUN_API_KEY=key-1111111111111111111111111
As example, I will use a model named Request.
Last active
July 19, 2017 09:01
-
-
Save lopezjurip/884082f41b76816160e6aaf03ec4cf20 to your computer and use it in GitHub Desktop.
Ruby on Rails - Send (batch) emails using mailgun-ruby (HTTP, not SMTP)
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # app/mailers/application_mailer.rb | |
| # See: http://blog.mailgun.com/the-official-mailgun-ruby-sdk-is-here/ | |
| require 'mailgun' | |
| class ApplicationMailer < ActionMailer::Base | |
| layout 'mailer' | |
| def host | |
| 'mydomain.com' | |
| end | |
| def from | |
| '[email protected]' | |
| end | |
| def client | |
| # Lazy initialization | |
| @client ||= Mailgun::Client.new(ENV['MAILGUN_API_KEY']) | |
| end | |
| def batch_builder() | |
| obj = Mailgun::BatchMessage.new(client, host) | |
| obj.set_from_address(from) | |
| obj | |
| end | |
| end | |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!-- app/views/layouts/mailer.html.erb --> | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
| <style> | |
| /* Email styles need to be inline */ | |
| </style> | |
| </head> | |
| <body> | |
| <%= yield %> | |
| </body> | |
| </html> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| app/views/layouts/mailer.text.erb | |
| --- | |
| <%= yield %> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!-- app/views/request_mailer/new_request.html.erb --> | |
| <div> | |
| <p> | |
| Id: <%= request.id %> | |
| </p> | |
| </div> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| app/views/request_mailer/new_request.text.erb | |
| --- | |
| Id: <%= request.id %> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # app/mailers/request_mailer.rb | |
| class RequestMailer < ApplicationMailer | |
| def new_request(request, users = []) | |
| builder = batch_builder() # From super-class | |
| builder.set_subject("Email title for: #{request.id}") | |
| # Render html version | |
| html = render_to_string( | |
| template: 'request_mailer/new_request', | |
| formats: [:html], | |
| locals: { request: request } | |
| ) | |
| # Render plain text version | |
| txt = render_to_string( | |
| template: 'request_mailer/new_request', | |
| formats: [:text], | |
| # layout: false, | |
| locals: { request: request } | |
| ) | |
| builder.set_text_body(txt.to_str) | |
| builder.set_html_body(html.to_str) | |
| users.each do |user| | |
| builder.add_recipient(:to, user.email, 'first' => user.name, | |
| 'account-id' => user.id) | |
| end | |
| # Send it | |
| builder.finalize | |
| end | |
| end | |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| # app/controllers/requests_controller.rb | |
| class RequestsController < ApplicationController | |
| # ... | |
| # POST /requests | |
| # POST /requests.json | |
| def create | |
| @request = Request.new(request_params) | |
| respond_to do |format| | |
| if @request.save | |
| # Send emails to users with enabled notifications | |
| RequestMailer.new_request(@request, User.where(notifications: true)).deliver_now | |
| format.html { redirect_to @request, notice: 'Request was successfully created.' } | |
| format.json { render :show, status: :created, location: @request } | |
| else | |
| format.html { render :new } | |
| format.json { render json: @request.errors, status: :unprocessable_entity } | |
| end | |
| end | |
| end | |
| # ... | |
| end |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment