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Published: Aug 1, 2017 License: MIT Imports: 13 Imported by: 15



Package booking provides the use-case of booking a cargo. Used by views facing an administrator.



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var ErrInvalidArgument = errors.New("invalid argument")

ErrInvalidArgument is returned when one or more arguments are invalid.


func MakeHandler

func MakeHandler(bs Service, logger kitlog.Logger) http.Handler

MakeHandler returns a handler for the booking service.


type Cargo

type Cargo struct {
	ArrivalDeadline time.Time   `json:"arrival_deadline"`
	Destination     string      `json:"destination"`
	Legs            []cargo.Leg `json:"legs,omitempty"`
	Misrouted       bool        `json:"misrouted"`
	Origin          string      `json:"origin"`
	Routed          bool        `json:"routed"`
	TrackingID      string      `json:"tracking_id"`

Cargo is a read model for booking views.

type Location

type Location struct {
	UNLocode string `json:"locode"`
	Name     string `json:"name"`

Location is a read model for booking views.

type Service

type Service interface {
	// BookNewCargo registers a new cargo in the tracking system, not yet
	// routed.
	BookNewCargo(origin location.UNLocode, destination location.UNLocode, deadline time.Time) (cargo.TrackingID, error)

	// LoadCargo returns a read model of a cargo.
	LoadCargo(id cargo.TrackingID) (Cargo, error)

	// RequestPossibleRoutesForCargo requests a list of itineraries describing
	// possible routes for this cargo.
	RequestPossibleRoutesForCargo(id cargo.TrackingID) []cargo.Itinerary

	// AssignCargoToRoute assigns a cargo to the route specified by the
	// itinerary.
	AssignCargoToRoute(id cargo.TrackingID, itinerary cargo.Itinerary) error

	// ChangeDestination changes the destination of a cargo.
	ChangeDestination(id cargo.TrackingID, destination location.UNLocode) error

	// Cargos returns a list of all cargos that have been booked.
	Cargos() []Cargo

	// Locations returns a list of registered locations.
	Locations() []Location

Service is the interface that provides booking methods.

func NewInstrumentingService

func NewInstrumentingService(counter metrics.Counter, latency metrics.Histogram, s Service) Service

NewInstrumentingService returns an instance of an instrumenting Service.

func NewLoggingService

func NewLoggingService(logger log.Logger, s Service) Service

NewLoggingService returns a new instance of a logging Service.

func NewService

func NewService(cargos cargo.Repository, locations location.Repository, events cargo.HandlingEventRepository, rs routing.Service) Service

NewService creates a booking service with necessary dependencies.

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