Class: FlowChat::Ussd::Gateway::Nalo

Inherits:
Object
  • Object
show all
Includes:
Instrumentation
Defined in:
lib/flow_chat/ussd/gateway/nalo.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Instrumentation

#instrument, instrument

Constructor Details

#initialize(app) ⇒ Nalo

Returns a new instance of Nalo.



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# File 'lib/flow_chat/ussd/gateway/nalo.rb', line 9

def initialize(app)
  @app = app
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/flow_chat/ussd/gateway/nalo.rb', line 7

def context
  @context
end

Instance Method Details

#call(context) ⇒ Object 



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# File 'lib/flow_chat/ussd/gateway/nalo.rb', line 13

def call(context)
  @context = context
  params = context.controller.request.params

  context["request.id"] = params["USERID"]
  context["request.msisdn"] = FlowChat::PhoneNumberUtil.to_e164(params["MSISDN"])
  context["request.user_id"] = context["request.msisdn"]
  context["request.message_id"] = SecureRandom.uuid
  context["request.timestamp"] = Time.current.iso8601
  context["request.gateway"] = :nalo
  context["request.platform"] = :ussd
  context["request.network"] = nil
  # context["request.type"] = params["MSGTYPE"] ? :initial : :response
  context.input = params["USERDATA"].presence

  # Instrument message received when user provides input using new scalable approach
  if context.input.present?
    instrument(Events::MESSAGE_RECEIVED, {
      from: context["request.user_id"],
      message: context.input,
      timestamp: context["request.timestamp"]
    })
  end

  # Process the request and instrument the response
  type, prompt, choices, media = @app.call(context)

  # Instrument message sent using new scalable approach
  instrument(Events::MESSAGE_SENT, {
    to: context["request.msisdn"],
    session_id: context["request.id"],
    message: context.input || "",
    message_type: (type == :prompt) ? "prompt" : "terminal",
    gateway: :nalo,
    platform: :ussd,
    content_length: prompt.to_s.length,
    timestamp: context["request.timestamp"]
  })

  context.controller.render json: {
    USERID: params["USERID"],
    MSISDN: params["MSISDN"],
    MSG: render_prompt(prompt, choices, media),
    MSGTYPE: type == :prompt
  }
end