Class: FlowChat::Http::Gateway::Simple

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Instrumentation

#instrument, instrument

Constructor Details

#initialize(app) ⇒ Simple

Returns a new instance of Simple.



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# File 'lib/flow_chat/http/gateway/simple.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/http/gateway/simple.rb', line 7

def context
  @context
end

Instance Method Details

#call(context) ⇒ Object 



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# File 'lib/flow_chat/http/gateway/simple.rb', line 13

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

  # Extract basic request information
  context["request.id"] = params["session_id"] || SecureRandom.uuid
  context["request.msisdn"] = FlowChat::PhoneNumberUtil.to_e164(params["msisdn"])
  context["request.user_id"] = params["user_id"] || context["request.msisdn"] || context["request.id"]
  context["request.message_id"] = params["message_id"] || SecureRandom.uuid
  context["request.timestamp"] = Time.current.iso8601
  context["request.gateway"] = :http_simple
  context["request.platform"] = :http
  context["request.network"] = nil
  context["request.method"] = request.method
  context["request.path"] = request.path
  context["request.user_agent"] = request.user_agent
  context.input = params["input"] || params["message"]

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

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

  # Instrument message sent
  instrument(Events::MESSAGE_SENT, {
    to: context["request.user_id"],
    session_id: context["request.id"],
    message: context.input || "",
    message_type: (type == :prompt) ? "prompt" : "terminal",
    gateway: :http_simple,
    platform: :http,
    content_length: prompt.to_s.length,
    timestamp: context["request.timestamp"]
  })

  # Render response as JSON
  response_data = render_response(type, prompt, choices, media)
  context.controller.render json: response_data
end