app/services/whatsapp/incoming_message_service_helpers.rb
module Whatsapp::IncomingMessageServiceHelpers
def download_attachment_file(attachment_payload)
Down.download(inbox.channel.media_url(attachment_payload[:id]), headers: inbox.channel.api_headers)
end
def conversation_params
{
account_id: @inbox.account_id,
inbox_id: @inbox.id,
contact_id: @contact.id,
contact_inbox_id: @contact_inbox.id
}
end
def processed_params
@processed_params ||= params
end
def account
@account ||= inbox.account
end
def message_type
@processed_params[:messages].first[:type]
end
def message_content(message)
# TODO: map interactive messages back to button messages in chatwoot
message.dig(:text, :body) ||
message.dig(:button, :text) ||
message.dig(:interactive, :button_reply, :title) ||
message.dig(:interactive, :list_reply, :title) ||
message.dig(:name, :formatted_name)
end
def file_content_type(file_type)
return :image if %w[image sticker].include?(file_type)
return :audio if %w[audio voice].include?(file_type)
return :video if ['video'].include?(file_type)
return :location if ['location'].include?(file_type)
return :contact if ['contacts'].include?(file_type)
:file
end
def unprocessable_message_type?(message_type)
%w[reaction ephemeral unsupported request_welcome].include?(message_type)
end
def brazil_phone_number?(phone_number)
phone_number.match(/^55/)
end
# ref: https://github.com/chatwoot/chatwoot/issues/5840
def normalised_brazil_mobile_number(phone_number)
# DDD : Area codes in Brazil are popularly known as "DDD codes" (códigos DDD) or simply "DDD", from the initials of "direct distance dialing"
# https://en.wikipedia.org/wiki/Telephone_numbers_in_Brazil
ddd = phone_number[2, 2]
# Remove country code and DDD to obtain the number
number = phone_number[4, phone_number.length - 4]
normalised_number = "55#{ddd}#{number}"
# insert 9 to convert the number to the new mobile number format
normalised_number = "55#{ddd}9#{number}" if normalised_number.length != 13
normalised_number
end
def processed_waid(waid)
# in case of Brazil, we need to do additional processing
# https://github.com/chatwoot/chatwoot/issues/5840
if brazil_phone_number?(waid)
# check if there is an existing contact inbox with the normalised waid
# We will create conversation against it
contact_inbox = inbox.contact_inboxes.find_by(source_id: normalised_brazil_mobile_number(waid))
# if there is no contact inbox with the waid without 9,
# We will create contact inboxes and contacts with the number 9 added
waid = contact_inbox.source_id if contact_inbox.present?
end
waid
end
def error_webhook_event?(message)
message.key?('errors')
end
def log_error(message)
Rails.logger.warn "Whatsapp Error: #{message['errors'][0]['title']} - contact: #{message['from']}"
end
def process_in_reply_to(message)
@in_reply_to_external_id = message['context']&.[]('id')
end
def find_message_by_source_id(source_id)
return unless source_id
@message = Message.find_by(source_id: source_id)
end
def message_under_process?
key = format(Redis::RedisKeys::MESSAGE_SOURCE_KEY, id: @processed_params[:messages].first[:id])
Redis::Alfred.get(key)
end
def cache_message_source_id_in_redis
return if @processed_params.try(:[], :messages).blank?
key = format(Redis::RedisKeys::MESSAGE_SOURCE_KEY, id: @processed_params[:messages].first[:id])
::Redis::Alfred.setex(key, true)
end
def clear_message_source_id_from_redis
key = format(Redis::RedisKeys::MESSAGE_SOURCE_KEY, id: @processed_params[:messages].first[:id])
::Redis::Alfred.delete(key)
end
end