app/services/twilio/incoming_message_service.rb
class Twilio::IncomingMessageService
include ::FileTypeHelper
pattr_initialize [:params!]
def perform
return if twilio_channel.blank?
set_contact
set_conversation
@message = @conversation.messages.create!(
content: message_body,
account_id: @inbox.account_id,
inbox_id: @inbox.id,
message_type: :incoming,
sender: @contact,
source_id: params[:SmsSid]
)
attach_files
end
private
def twilio_channel
@twilio_channel ||= ::Channel::TwilioSms.find_by(messaging_service_sid: params[:MessagingServiceSid]) if params[:MessagingServiceSid].present?
if params[:AccountSid].present? && params[:To].present?
@twilio_channel ||= ::Channel::TwilioSms.find_by!(account_sid: params[:AccountSid],
phone_number: params[:To])
end
@twilio_channel
end
def inbox
@inbox ||= twilio_channel.inbox
end
def account
@account ||= inbox.account
end
def phone_number
twilio_channel.sms? ? params[:From] : params[:From].gsub('whatsapp:', '')
end
def formatted_phone_number
TelephoneNumber.parse(phone_number).international_number
end
def message_body
params[:Body]&.delete("\u0000")
end
def set_contact
contact_inbox = ::ContactInboxWithContactBuilder.new(
source_id: params[:From],
inbox: inbox,
contact_attributes: contact_attributes
).perform
@contact_inbox = contact_inbox
@contact = contact_inbox.contact
end
def conversation_params
{
account_id: @inbox.account_id,
inbox_id: @inbox.id,
contact_id: @contact.id,
contact_inbox_id: @contact_inbox.id,
additional_attributes: additional_attributes
}
end
def set_conversation
# if lock to single conversation is disabled, we will create a new conversation if previous conversation is resolved
@conversation = if @inbox.lock_to_single_conversation
@contact_inbox.conversations.last
else
@contact_inbox.conversations.where
.not(status: :resolved).last
end
return if @conversation
@conversation = ::Conversation.create!(conversation_params)
end
def contact_attributes
{
name: formatted_phone_number,
phone_number: phone_number,
additional_attributes: additional_attributes
}
end
def additional_attributes
if twilio_channel.sms?
{
from_zip_code: params[:FromZip],
from_country: params[:FromCountry],
from_state: params[:FromState]
}
else
{}
end
end
def attach_files
return if params[:MediaUrl0].blank?
attachment_file = download_attachment_file
return if attachment_file.blank?
attachment = @message.attachments.new(
account_id: @message.account_id,
file_type: file_type(params[:MediaContentType0])
)
attachment.file.attach(
io: attachment_file,
filename: attachment_file.original_filename,
content_type: attachment_file.content_type
)
@message.save!
end
def download_attachment_file
download_with_auth
rescue Down::Error, Down::ClientError => e
handle_download_attachment_error(e)
end
def download_with_auth
Down.download(
params[:MediaUrl0],
# https://support.twilio.com/hc/en-us/articles/223183748-Protect-Media-Access-with-HTTP-Basic-Authentication-for-Programmable-Messaging
http_basic_authentication: [twilio_channel.account_sid, twilio_channel.auth_token || twilio_channel.api_key_sid]
)
end
# This is just a temporary workaround since some users have not yet enabled media protection. We will remove this in the future.
def handle_download_attachment_error(error)
Rails.logger.info "Error downloading attachment from Twilio: #{error.message}: Retrying"
Down.download(params[:MediaUrl0])
rescue StandardError => e
Rails.logger.info "Error downloading attachment from Twilio: #{e.message}: Skipping"
nil
end
end