Class: Omnipay::Gateway

Inherits:
Object
  • Object
show all
Defined in:
lib/omnipay/gateway.rb

Overview

Gateway middleware

Constant Summary collapse

BASE_PATH = 
'/pay'

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}, &block) ⇒ Gateway

Returns a new instance of Gateway.



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# File 'lib/omnipay/gateway.rb', line 10

def initialize(app, options={}, &block)
  @app = app

  @adapter_options = options
  @adapter_config_block = block

  # Refreshed at each request
  @uid = nil
  @request = nil
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/omnipay/gateway.rb', line 22

def call(env)

  # Get the current request
  @request = Rack::Request.new(env)

  # Check if the path is good, and extract the uid
  @uid = extract_uid_from_path(@request.path)
  return @app.call(env) unless @uid

  # Get the adapter config for this uid (to handle dynamic configuration)
  adapter = Adapter.new(@uid, callback_url, @adapter_options, @adapter_config_block)
  return @app.call(env) unless adapter.valid?

  # Handle the request phase
  if request_phase?
    return RequestPhase.new(@request, adapter).response
  end

  # Handle the callback phase
  if callback_phase?
    CallbackPhase.new(@request, adapter).update_env!
  end

  # Forward to the app
  @app.call(env)

end