问题包括Mandrill Mailer和Rails中的日历附件
我目前正在使用icalendar gem创建一个新的日历，然后通过mandrill_mailer gem作为附件发送它。 我尝试了各种不同的方法 – 到目前为止我相信我最接近：
Event.rb
require 'base64' def self.export_events(user) @event = Event.last @calendar = Icalendar::Calendar.new event = Icalendar::Event.new event.summary = @event.title event.dtstart = @event.start_time.strftime("%Y%m%dT%H%M%S") event.dtend = @event.end_time.strftime("%Y%m%dT%H%M%S") event.description = @event.desc event.location = @event.location @calendar.add_event(event) encoded_cal = Base64.encode64(@calendar.to_ical) CalendarMailer.send_to_ical(user, encoded_cal).deliver end calendar_mailer.rb
class CalendarMailer < MandrillMailer::TemplateMailer default from: "blah@blah.com" # iCal def send_to_ical(user, encoded_cal) mandrill_mail template: "ical-file", subject: "Your iCal file", to: { email: user.email, name: user.name }, inline_css: true, async: true, track_clicks: true, attachments: [ { type: "text/calendar", content: encoded_cal, name: "calendar.ics", } ] end end
我知道我的邮件设置正确，因为我能够成功发送其他类型的交易电子邮件。 另外，根据这篇SOpost，我无法直接将其作为.ics文件发送，这就是为什么我要发送它的base64编码版本。 以下是我不断做的错误（无论是上面的内容还是创建tmp文件并打开/读取calendar_mailer.rb中新创建的tmp文件）：
TypeError：没有
pack' from /usr/local/rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/base64.rb:38:in从/usr/local/rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/base64.rb:38:inpack' from /usr/local/rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/base64.rb:38:in中将nil隐式转换为Stringpack' from /usr/local/rvm/rubies/ruby-2.0.0-p481/lib/ruby/2.0.0/base64.rb:38:inencode64’来自/usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0 .2 / gems / mandrill_mailer-0.4.13 / lib / mandrill_mailer / core_mailer.rb：263：block in mandrill_attachment_args' from /usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/mandrill_mailer-0.4.13/lib/mandrill_mailer/core_mailer.rb:258:inmandrill_attachment_argsblock in mandrill_attachment_args' from /usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/mandrill_mailer-0.4.13/lib/mandrill_mailer/core_mailer.rb:258:in中的block in mandrill_attachment_args' from /usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/mandrill_mailer-0.4.13/lib/mandrill_mailer/core_mailer.rb:258:in/usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/mandrill_mailer-0.4 .13 / lib / mandrill_mailer / core_mailer.rb：258：mandrill_attachment_args' from /usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/mandrill_mailer-0.4.13/lib/mandrill_mailer/template_mailer.rb:191:inmandrill_attachment_argsmandrill_attachment_args' from /usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/mandrill_mailer-0.4.13/lib/mandrill_mailer/template_mailer.rb:191:in来自/Users/alansalganik/projects/glyfe/app/mailers/calendar_mailer.rb:8:insend_to_ical' from /usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/mandrill_mailer-0.4.13/lib/mandrill_mailer/core_mailer.rb:283:insend_to_ical' from /usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/mandrill_mailer-0.4.13/lib/mandrill_mailer/core_mailer.rb:283:in来自/usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/mandrill_mailer-0.4.13/lib/mandrill_mailer/core_mailer.rb:283:inmethod_missing' from (irb):763 from /usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/railties-4.1.1/lib/rails/commands/console.rb:90:in开始’来自/usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/railties-4.1.1/lib/rails/commands/console.rb:9:instart' from /usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:69:in来自/ usrstart' from /usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:69:in/ usr /local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:40:inrun_command!' from /usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/railties-4.1.1/lib/rails/commands.rb:17:inrun_command!' from /usr/local/rvm/gems/ruby-2.0.0-p481@rails-4.0.2/gems/railties-4.1.1/lib/rails/commands.rb:17:in‘来自bin / rails：4 ：在’要求’
提前致谢。
可能不是世界上最好的代码，而是一个例子：
class Outlook def self.create_cal @calendar = Icalendar::Calendar.new event = Icalendar::Event.new event.summary = "SUMMARY" event.dtstart = Time.now.strftime("%Y%m%dT%H%M%S") event.dtend = (Time.now + 1.hour).strftime("%Y%m%dT%H%M%S") event.description = "DESC" event.location = "Holborn, London WC1V" @calendar.add_event(event) return @calendar.to_ical end end
和
ics_file = Outlook.create_cal mandrill_mail( (...) attachments: [ { content: ics_file, name: 'ical.ics', type: 'text/calendar' } ] )