Class: Passbook::RegistrationsController

Inherits:
ApplicationController
  • Object
show all
Defined in:
app/controllers/passbook/registrations_controller.rb

Instance Method Summary collapse

Instance Method Details

#create ⇒ Object 



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# File 'app/controllers/passbook/registrations_controller.rb', line 43

def create
  puts "Handling registration request..."
  # validate that the request is authorized to deal with the pass referenced
  pass = Passbook.pass_type_id_to_class(params[:pass_type_id]).where(:serial_number => params[:serial_number]).where(:authentication_token => authentication_token).first
  unless pass.blank?
    puts 'Pass and authentication token match.'

    # Validate that the device has not previously registered
    # Note: this is done with a composite key that is combination of the device_id and the pass serial_number
    uuid = params[:device_id] + "-" + params[:serial_number]
    if Registration.where(:uuid => uuid).count < 1
      # No registration found, lets add the device
      # push_token = params[:push_token]
      Registration.create!(:uuid => uuid,
                          :device_id => params[:device_id],
                          :pass_type_id => params[:pass_type_id],
                          :push_token => push_token,
                          :serial_number => params[:serial_number])

      # spawn an event for registration creation
      pass.register_handler if pass.respond_to? :register_handler

      # Return a 201 CREATED status
      # status 201
      render :json => {}, :status => 201
    else
      # The device has already registered for updates on this pass
      # Acknowledge the request with a 200 OK response
      # status 200
      render :json => {}, :status => 200
    end

  else
    # The device did not statisfy the authentication requirements
    # Return a 401 NOT AUTHORIZED response
    # status 401
    render :json => {}, :status => 401
  end
end

#delete ⇒ Object 



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# File 'app/controllers/passbook/registrations_controller.rb', line 84

def delete
  puts "Handling unregistration request..."
  puts authentication_token
  if Passbook.pass_type_id_to_class(params[:pass_type_id]).where(:serial_number => params[:serial_number], :authentication_token => authentication_token).first
    puts 'Pass and authentication token match.'

    # Validate that the device has previously registered
    # Note: this is done with a composite key that is combination of the device_id and the pass serial_number
    uuid = params[:device_id] + "-" + params[:serial_number]
    registration = Registration.find_by_uuid(uuid)
    unless registration.blank?
      Registration.delete registration.id

      # spawn an event for unregistration event
      pass.unregister_handler if pass.respond_to? :unregister_handler

      render :json => {}, :status => 200
    else
      puts 'Registration does not exist.'
      render :json => {}, :status => 401
    end
  else
    # Not authorized
    render :json => {}, :status => 401
  end
end

#updatable ⇒ Object 



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# File 'app/controllers/passbook/registrations_controller.rb', line 111

def updatable
  puts "Handling updates request..."
  # Check first that the device has registered with the service
  if Registration.where(:device_id => params[:device_id]).count > 0

    # The device is registered with the service

    # Find the registrations for the device
    registered_serial_numbers = Registration.where(:device_id => params[:device_id], :pass_type_id => params[:pass_type_id]).collect{|r| r[:serial_number]}

    # The passesUpdatedSince param is optional for scoping the update query
    if params[:passesUpdatedSince] && params[:passesUpdatedSince] != ""
      registered_passes = Passbook.pass_type_id_to_class(params[:pass_type_id]).where(:serial_number => registered_serial_numbers).where('updated_at IS NULL OR updated_at >= ?', params[:passesUpdatedSince])
    else
      registered_passes = Passbook.pass_type_id_to_class(params[:pass_type_id]).where(:serial_number => registered_serial_numbers)
    end

    # Are there passes that this device should recieve updates for?
    if registered_passes.count > 0
      # Found passes that could be updated for this device
      # Build the response object
      update_time = registered_passes.map(&:updated_at).max
      updatable_passes_payload = {:lastUpdated => update_time}
      updatable_passes_payload[:serialNumbers] = registered_passes.collect{|rp| rp[:serial_number]}

      render :json => updatable_passes_payload.to_json, :status => 200
    else
      render :json => {}, :status=>204
    end

  else
    # This device is not currently registered with the service
    render :json => {}, :status=> 404
  end
end