Chatwoot/app/presenters/mail_presenter.rb
Pranav Raj S 963f173730
Feature: ResizableTextArea in widget and dashboard (#969)
* Create ResizableTextArea component
* Rubocop fixes and spec fixes

Co-authored-by: Sojan <sojan@pepalo.com>
2020-06-18 15:17:45 +05:30

102 lines
3 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 ||= encode_to_unicode(text_part&.body&.decoded || '')
@text_content ||= {
full: @decoded_text_content,
reply: extract_reply(@decoded_text_content)[:reply],
quoted: extract_reply(@decoded_text_content)[:quoted_text]
}
end
def html_content
@decoded_html_content ||= encode_to_unicode(html_part&.body&.decoded || '')
@html_content ||= {
full: @decoded_html_content,
reply: extract_reply(@decoded_html_content)[:reply],
quoted: extract_reply(@decoded_html_content)[:quoted_text]
}
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_after_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
{
text_content: text_content,
html_content: html_content,
number_of_attachments: number_of_attachments,
subject: subject,
date: date,
to: to,
from: from,
in_reply_to: in_reply_to,
cc: cc,
bcc: bcc,
message_id: message_id
}
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)
current_encoding = str.encoding.name
str.encode(current_encoding, 'UTF-8', invalid: :replace, undef: :replace, replace: '?')
end
def extract_reply(content)
@regex_arr ||= quoted_text_regexes
content_length = content.length
# calculates the matching regex closest to top of page
index = @regex_arr.inject(content_length) do |min, regex|
[(content.index(regex) || content_length), min].min
end
{
reply: content[0..(index - 1)].strip,
quoted_text: content[index..].strip
}
end
def quoted_text_regexes
sender_agnostic_regexes = [
Regexp.new("^.*On.*(\n)?wrote:$", Regexp::IGNORECASE),
Regexp.new("-+original\s+message-+\s*$", Regexp::IGNORECASE),
Regexp.new("from:\s*$", Regexp::IGNORECASE)
]
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
end