Chatwoot/lib/integrations/dialogflow/processor_service.rb
2021-10-14 13:17:09 +05:30

82 lines
3 KiB
Ruby

class Integrations::Dialogflow::ProcessorService
pattr_initialize [:event_name!, :hook!, :event_data!]
def perform
message = event_data[:message]
return if message.private?
return unless processable_message?(message)
return unless message.conversation.pending?
content = message_content(message)
response = get_dialogflow_response(message.conversation.contact_inbox.source_id, content) if content.present?
process_response(message, response) if response.present?
end
private
def message_content(message)
# TODO: might needs to change this to a way that we fetch the updated value from event data instead
# cause the message.updated event could be that that the message was deleted
return message.content_attributes['submitted_values']&.first&.dig('value') if event_name == 'message.updated'
message.content
end
def processable_message?(message)
# TODO: change from reportable and create a dedicated method for this?
return unless message.reportable?
return if message.outgoing? && !processable_outgoing_message?(message)
true
end
def processable_outgoing_message?(message)
event_name == 'message.updated' && ['input_select'].include?(message.content_type)
end
def get_dialogflow_response(session_id, message)
Google::Cloud::Dialogflow.configure { |config| config.credentials = hook.settings['credentials'] }
session_client = Google::Cloud::Dialogflow.sessions
session = session_client.session_path project: hook.settings['project_id'], session: session_id
query_input = { text: { text: message, language_code: 'en-US' } }
session_client.detect_intent session: session, query_input: query_input
end
def process_response(message, response)
fulfillment_messages = response.query_result['fulfillment_messages']
fulfillment_messages.each do |fulfillment_message|
content_params = generate_content_params(fulfillment_message)
if content_params['action'].present?
process_action(message, content_params['action'])
else
create_conversation(message, content_params)
end
end
end
def generate_content_params(fulfillment_message)
text_response = fulfillment_message['text'].to_h
content_params = { content: text_response[:text].first } if text_response[:text].present?
content_params ||= fulfillment_message['payload'].to_h
content_params
end
def create_conversation(message, content_params)
return if content_params.blank?
conversation = message.conversation
conversation.messages.create(content_params.merge({
message_type: :outgoing,
account_id: conversation.account_id,
inbox_id: conversation.inbox_id
}))
end
def process_action(message, action)
case action
when 'handoff'
message.conversation.open!
end
end
end