Chatwoot/app/services/whatsapp/incoming_message_base_service.rb
Sojan Jose a6c609f43d
feat: Support for Whatsapp Cloud API (#4938)
Ability to configure Whatsapp Cloud API Inboxes

fixes: #4712
2022-07-06 21:45:03 +02:00

110 lines
3 KiB
Ruby

# Mostly modeled after the intial implementation of the service based on 360 Dialog
# https://docs.360dialog.com/whatsapp-api/whatsapp-api/media
# https://developers.facebook.com/docs/whatsapp/api/media/
class Whatsapp::IncomingMessageBaseService
pattr_initialize [:inbox!, :params!]
def perform
processed_params
set_contact
return unless @contact
set_conversation
return if @processed_params[:messages].blank?
@message = @conversation.messages.build(
content: message_content(@processed_params[:messages].first),
account_id: @inbox.account_id,
inbox_id: @inbox.id,
message_type: :incoming,
sender: @contact,
source_id: @processed_params[:messages].first[:id].to_s
)
attach_files
@message.save!
end
private
def processed_params
@processed_params ||= params
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)
end
def account
@account ||= inbox.account
end
def set_contact
contact_params = @processed_params[:contacts]&.first
return if contact_params.blank?
contact_inbox = ::ContactBuilder.new(
source_id: contact_params[:wa_id],
inbox: inbox,
contact_attributes: { name: contact_params.dig(:profile, :name), phone_number: "+#{@processed_params[:messages].first[:from]}" }
).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
}
end
def set_conversation
@conversation = @contact_inbox.conversations.last
return if @conversation
@conversation = ::Conversation.create!(conversation_params)
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)
:file
end
def message_type
@processed_params[:messages].first[:type]
end
def attach_files
return if %w[text button interactive].include?(message_type)
attachment_payload = @processed_params[:messages].first[message_type.to_sym]
attachment_file = download_attachment_file(attachment_payload)
@message.content ||= attachment_payload[:caption]
@message.attachments.new(
account_id: @message.account_id,
file_type: file_content_type(message_type),
file: {
io: attachment_file,
filename: attachment_file.original_filename,
content_type: attachment_file.content_type
}
)
end
def download_attachment_file(attachment_payload)
Down.download(inbox.channel.media_url(attachment_payload[:id]), headers: inbox.channel.api_headers)
end
end