Class: SendGridActionMailerAdapter::Converter

Inherits:
Object
  • Object
show all
Defined in:
lib/sendgrid_actionmailer_adapter/converter.rb

Constant Summary collapse

VALIDATORS = 
[
  ->(mail) { "'from' is required." if mail.from_addrs.empty? },
  ->(mail) { "'to_addrs' must not be empty." if mail.to_addrs.empty? },
  ->(mail) { "'subject' is required." if mail.subject.nil? || mail.subject.empty? },
].freeze
CONVERTERS = 
{
  from: ->(mail) {
    addr = mail[:from].addrs.first
    ::SendGrid::Email.new(email: addr.address, name: addr.display_name)
  },
  subject: ->(mail) { mail.subject },
  personalizations: ->(mail) {
    # Separate emails per each To address.
    # Cc and Bcc addresses are shared with each emails.
    mail[:to].addrs.map do |to_addr|
      ::SendGrid::Personalization.new.tap do |p|
        p.to = ::SendGrid::Email.new(email: to_addr.address, name: to_addr.display_name)
        Array(mail[:cc]&.addrs).each do |addr|
          p.cc = ::SendGrid::Email.new(email: addr.address, name: addr.display_name)
        end
        Array(mail[:bcc]&.addrs).each do |addr|
          p.bcc = ::SendGrid::Email.new(email: addr.address, name: addr.display_name)
        end
      end
    end
  },
  contents: ->(mail) {
    ::SendGrid::Content.new(type: mail.mime_type, value: mail.body.to_s)
  },
  attachments: ->(mail) {
    mail.attachments.map do |attachment|
      ::SendGrid::Attachment.new.tap do |sendgrid_attachment|
        sendgrid_attachment.type = attachment.mime_type
        sendgrid_attachment.content = ::Base64.strict_encode64(attachment.body.raw_source)
        sendgrid_attachment.filename = ::Mail::Encodings.decode_encode(
          attachment.content_type_parameters['filename'], :decode
        )
        sendgrid_attachment.content_id = attachment.cid
      end
    end
  },
  categories: ->(mail) {
    return nil if mail['categories'].nil?
    # FIXME: Separator ', ' is dependant on Mail::UnstructuredField implementation,
    # this may occur unexpected behaviour on 'mail' gem update.
    mail['categories'].value.split(', ').map { |c| ::SendGrid::Category.new(name: c) }
  },
  send_at: ->(mail) { mail['send_at'].value.to_i if mail['send_at'] },
  reply_to: ->(mail) {
    addr = mail[:reply_to]&.addrs&.first
    ::SendGrid::Email.new(email: addr.address, name: addr.display_name) if addr
  },
}.freeze

Class Method Summary collapse

Class Method Details

.to_sendgrid_mail(mail) ⇒ SendGrid::Mail

Convert Mail::Message to SendGrid::Mail.

Parameters:

  • mail (Message::Mail)

Returns:

  • (SendGrid::Mail)

Raises:



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# File 'lib/sendgrid_actionmailer_adapter/converter.rb', line 71

def to_sendgrid_mail(mail)
  validate!(mail)
  convert(mail)
end