87 lines
2.7 KiB
Ruby
87 lines
2.7 KiB
Ruby
class Facebook::SendOnFacebookService < Base::SendOnChannelService
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private
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def channel_class
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Channel::FacebookPage
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end
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def perform_reply
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send_message_to_facebook fb_text_message_params if message.content.present?
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send_message_to_facebook fb_attachment_message_params if message.attachments.present?
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rescue Facebook::Messenger::FacebookError => e
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# TODO : handle specific errors or else page will get disconnected
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handle_facebook_error(e)
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message.update!(status: :failed, external_error: e.message)
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end
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def send_message_to_facebook(delivery_params)
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result = Facebook::Messenger::Bot.deliver(delivery_params, page_id: channel.page_id)
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parsed_result = JSON.parse(result)
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if parsed_result['error'].present?
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message.update!(status: :failed, external_error: external_error(parsed_result))
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Rails.logger.info "Facebook::SendOnFacebookService: Error sending message to Facebook : Page - #{channel.page_id} : #{result}"
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end
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message.update!(source_id: parsed_result['message_id']) if parsed_result['message_id'].present?
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end
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def fb_text_message_params
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{
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recipient: { id: contact.get_source_id(inbox.id) },
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message: { text: message.content },
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messaging_type: 'MESSAGE_TAG',
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tag: 'ACCOUNT_UPDATE'
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}
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end
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def external_error(response)
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# https://developers.facebook.com/docs/graph-api/guides/error-handling/
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error_message = response['error']['message']
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error_code = response['error']['code']
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"#{error_code} - #{error_message}"
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end
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def fb_attachment_message_params
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attachment = message.attachments.first
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{
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recipient: { id: contact.get_source_id(inbox.id) },
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message: {
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attachment: {
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type: attachment_type(attachment),
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payload: {
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url: attachment.download_url
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}
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}
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},
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messaging_type: 'MESSAGE_TAG',
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tag: 'ACCOUNT_UPDATE'
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}
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end
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def attachment_type(attachment)
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return attachment.file_type if %w[image audio video file].include? attachment.file_type
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'file'
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end
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def fb_message_params
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if message.attachments.blank?
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fb_text_message_params
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else
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fb_attachment_message_params
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end
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end
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def sent_first_outgoing_message_after_24_hours?
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# we can send max 1 message after 24 hour window
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conversation.messages.outgoing.where('id > ?', conversation.last_incoming_message.id).count == 1
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end
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def handle_facebook_error(exception)
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# Refer: https://github.com/jgorset/facebook-messenger/blob/64fe1f5cef4c1e3fca295b205037f64dfebdbcab/lib/facebook/messenger/error.rb
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return unless exception.to_s.include?('The session has been invalidated') || exception.to_s.include?('Error validating access token')
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channel.authorization_error!
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end
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end
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