我ActiveJob
用来发送邮件:
使用deliver_now
方法:
invoices_controller.rb
def send_invoice
#other stuff
Members::InvoicesMailer.send_invoice(@invoice.id, view_context).deliver_now
end
invoices_mailer.rb
require 'open-uri'
class Members::InvoicesMailer < ApplicationMailer
def send_invoice(invoice_id, view_context)
@invoice = Invoice.find(invoice_id)
attachments["#{@invoice.identifier}.pdf"] = InvoicePdf.new(@invoice, view_context).render
mail :to => @invoice.client.email, :subject => "Invoice"
end
end
请注意,我正在将view_context
控制器从控制器发送到邮件程序,这将再次将其传递给InvoicePdf
类以生成发票。
结果:电子邮件发送正确
使用deliver_later
方法:
invoices_controller.rb
def send_invoice
#other stuff
Members::InvoicesMailer.send_invoice(@invoice.id, view_context).deliver_later
end
结果: ActiveJob::SerializationError in Members::InvoicesController#send_invoice Unsupported argument type:
view_context
。
如何注入view_context
内部InvoicePdf
,或者从内部加载InvoicePdf
,或者InvoiceMailer
?
编辑:这就是 InvoicePdf 的样子
invoice_pdf.rb
class InvoicePdf < Prawn::Document
def initialize(invoice, view_context)
@invoice, @view_context = invoice, view_context
generate_pdf
end
def generate_pdf
# calling some active_support helpers:
# @view_context.number_to_currency(//)
# calling some helpers I created
end
end