150 lines
3.8 KiB
Ruby
150 lines
3.8 KiB
Ruby
class MailPresenter < SimpleDelegator
|
|
attr_accessor :mail
|
|
|
|
def initialize(mail, account = nil)
|
|
super(mail)
|
|
@mail = mail
|
|
@account = account
|
|
end
|
|
|
|
def subject
|
|
encode_to_unicode(@mail.subject)
|
|
end
|
|
|
|
def text_content
|
|
@decoded_text_content = select_body || ''
|
|
encoding = @decoded_text_content.encoding
|
|
|
|
body = EmailReplyTrimmer.trim(@decoded_text_content)
|
|
|
|
return {} if @decoded_text_content.blank?
|
|
|
|
@text_content ||= {
|
|
full: select_body,
|
|
reply: @decoded_text_content,
|
|
quoted: body.force_encoding(encoding).encode('UTF-8')
|
|
}
|
|
end
|
|
|
|
def select_body
|
|
message = mail.text_part || mail.html_part || mail
|
|
decoded = encode_to_unicode(message.decoded)
|
|
# Certain trigger phrases that means we didn't parse correctly
|
|
return '' if %r{(Content-Type: multipart/alternative|text/plain)}.match?(decoded)
|
|
|
|
if (mail.content_type || '').include? 'text/html'
|
|
::HtmlParser.parse_reply(decoded)
|
|
else
|
|
decoded
|
|
end
|
|
end
|
|
|
|
def html_content
|
|
@decoded_html_content = select_body || ''
|
|
|
|
return {} if @decoded_html_content.blank?
|
|
|
|
body = EmailReplyTrimmer.trim(@decoded_html_content)
|
|
|
|
@html_content ||= {
|
|
full: select_body,
|
|
reply: @decoded_html_content,
|
|
quoted: body
|
|
}
|
|
end
|
|
|
|
def attachments
|
|
# ref : https://github.com/gorails-screencasts/action-mailbox-action-text/blob/master/app/mailboxes/posts_mailbox.rb
|
|
mail.attachments.map do |attachment|
|
|
blob = ActiveStorage::Blob.create_and_upload!(
|
|
io: StringIO.new(attachment.body.to_s),
|
|
filename: attachment.filename,
|
|
content_type: attachment.content_type
|
|
)
|
|
{ original: attachment, blob: blob }
|
|
end
|
|
end
|
|
|
|
def number_of_attachments
|
|
mail.attachments.count
|
|
end
|
|
|
|
def serialized_data
|
|
{
|
|
bcc: bcc,
|
|
cc: cc,
|
|
content_type: content_type,
|
|
date: date,
|
|
from: from,
|
|
html_content: html_content,
|
|
in_reply_to: in_reply_to,
|
|
message_id: message_id,
|
|
multipart: multipart?,
|
|
number_of_attachments: number_of_attachments,
|
|
subject: subject,
|
|
text_content: text_content,
|
|
to: to
|
|
}
|
|
end
|
|
|
|
def from
|
|
# changing to downcase to avoid case mismatch while finding contact
|
|
@mail.from.map(&:downcase)
|
|
end
|
|
|
|
def sender_name
|
|
Mail::Address.new(@mail[:from].value).name
|
|
end
|
|
|
|
def original_sender
|
|
@mail['X-Original-Sender'].try(:value) || from.first
|
|
end
|
|
|
|
def email_forwarded_for
|
|
@mail['X-Forwarded-For'].try(:value)
|
|
end
|
|
|
|
def mail_receiver
|
|
if @mail.to.blank?
|
|
return [email_forwarded_for] if email_forwarded_for.present?
|
|
|
|
[]
|
|
else
|
|
@mail.to
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
# forcing the encoding of the content to UTF-8 so as to be compatible with database and serializers
|
|
def encode_to_unicode(str)
|
|
return '' if str.blank?
|
|
|
|
current_encoding = str.encoding.name
|
|
return str if current_encoding == 'UTF-8'
|
|
|
|
str.encode(current_encoding, 'UTF-8', invalid: :replace, undef: :replace, replace: '?')
|
|
rescue StandardError
|
|
''
|
|
end
|
|
|
|
def quoted_text_regexes
|
|
return sender_agnostic_regexes if @account.nil? || @account.support_email.blank?
|
|
|
|
[
|
|
Regexp.new("From:\s* #{Regexp.escape(@account.support_email)}", Regexp::IGNORECASE),
|
|
Regexp.new("<#{Regexp.escape(@account.support_email)}>", Regexp::IGNORECASE),
|
|
Regexp.new("#{Regexp.escape(@account.support_email)}\s+wrote:", Regexp::IGNORECASE),
|
|
Regexp.new("On(.*)#{Regexp.escape(@account.support_email)}(.*)wrote:", Regexp::IGNORECASE)
|
|
] + sender_agnostic_regexes
|
|
end
|
|
|
|
def sender_agnostic_regexes
|
|
@sender_agnostic_regexes ||= [
|
|
Regexp.new("^.*On.*(\n)?wrote:$", Regexp::IGNORECASE),
|
|
Regexp.new('^.*On(.*)(.*)wrote:$', Regexp::IGNORECASE),
|
|
Regexp.new("-+original\s+message-+\s*$", Regexp::IGNORECASE),
|
|
Regexp.new("from:\s*$", Regexp::IGNORECASE)
|
|
]
|
|
end
|
|
end
|