profilesvc

package
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Published: Jul 3, 2016 License: MIT Imports: 14 Imported by: 0

README

profilesvc

This example demonstrates how to use Go kit to implement a REST-y HTTP service. It leverages the excellent gorilla mux package for routing.

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	ErrInconsistentIDs = errors.New("inconsistent IDs")
	ErrAlreadyExists   = errors.New("already exists")
	ErrNotFound        = errors.New("not found")
)
View Source
var (
	// ErrBadRouting is returned when an expected path variable is missing.
	// It always indicates programmer error.
	ErrBadRouting = errors.New("inconsistent mapping between route and handler (programmer error)")
)

Functions

func MakeDeleteAddressEndpoint

func MakeDeleteAddressEndpoint(s Service) endpoint.Endpoint

MakeDeleteAddressEndpoint returns an endpoint via the passed service. Primarily useful in a server.

func MakeDeleteProfileEndpoint

func MakeDeleteProfileEndpoint(s Service) endpoint.Endpoint

MakeDeleteProfileEndpoint returns an endpoint via the passed service. Primarily useful in a server.

func MakeGetAddressEndpoint

func MakeGetAddressEndpoint(s Service) endpoint.Endpoint

MakeGetAddressEndpoint returns an endpoint via the passed service. Primarily useful in a server.

func MakeGetAddressesEndpoint

func MakeGetAddressesEndpoint(s Service) endpoint.Endpoint

MakeGetAddressesEndpoint returns an endpoint via the passed service. Primarily useful in a server.

func MakeGetProfileEndpoint

func MakeGetProfileEndpoint(s Service) endpoint.Endpoint

MakeGetProfileEndpoint returns an endpoint via the passed service. Primarily useful in a server.

func MakeHTTPHandler

func MakeHTTPHandler(ctx context.Context, s Service, logger log.Logger) http.Handler

MakeHTTPHandler mounts all of the service endpoints into an http.Handler. Useful in a profilesvc server.

func MakePatchProfileEndpoint

func MakePatchProfileEndpoint(s Service) endpoint.Endpoint

MakePatchProfileEndpoint returns an endpoint via the passed service. Primarily useful in a server.

func MakePostAddressEndpoint

func MakePostAddressEndpoint(s Service) endpoint.Endpoint

MakePostAddressEndpoint returns an endpoint via the passed service. Primarily useful in a server.

func MakePostProfileEndpoint

func MakePostProfileEndpoint(s Service) endpoint.Endpoint

MakePostProfileEndpoint returns an endpoint via the passed service. Primarily useful in a server.

func MakePutProfileEndpoint

func MakePutProfileEndpoint(s Service) endpoint.Endpoint

MakePutProfileEndpoint returns an endpoint via the passed service. Primarily useful in a server.

Types

type Address

type Address struct {
	ID       string `json:"id"`
	Location string `json:"location,omitempty"`
}

Address is a field of a user profile. ID should be unique within the profile (at a minimum).

type Endpoints

type Endpoints struct {
	PostProfileEndpoint   endpoint.Endpoint
	GetProfileEndpoint    endpoint.Endpoint
	PutProfileEndpoint    endpoint.Endpoint
	PatchProfileEndpoint  endpoint.Endpoint
	DeleteProfileEndpoint endpoint.Endpoint
	GetAddressesEndpoint  endpoint.Endpoint
	GetAddressEndpoint    endpoint.Endpoint
	PostAddressEndpoint   endpoint.Endpoint
	DeleteAddressEndpoint endpoint.Endpoint
}

Endpoints collects all of the endpoints that compose a profile service. It's meant to be used as a helper struct, to collect all of the endpoints into a single parameter.

In a server, it's useful for functions that need to operate on a per-endpoint basis. For example, you might pass an Endpoints to a function that produces an http.Handler, with each method (endpoint) wired up to a specific path. (It is probably a mistake in design to invoke the Service methods on the Endpoints struct in a server.)

In a client, it's useful to collect individually constructed endpoints into a single type that implements the Service interface. For example, you might construct individual endpoints using transport/http.NewClient, combine them into an Endpoints, and return it to the caller as a Service.

func MakeClientEndpoints

func MakeClientEndpoints(instance string) (Endpoints, error)

MakeClientEndpoints returns an Endpoints struct where each endpoint invokes the corresponding method on the remote instance, via a transport/http.Client. Useful in a profilesvc client.

func MakeServerEndpoints

func MakeServerEndpoints(s Service) Endpoints

MakeServerEndpoints returns an Endpoints struct where each endpoint invokes the corresponding method on the provided service. Useful in a profilesvc server.

func (Endpoints) DeleteAddress

func (e Endpoints) DeleteAddress(ctx context.Context, profileID string, addressID string) error

DeleteAddress implements Service. Primarily useful in a client.

func (Endpoints) DeleteProfile

func (e Endpoints) DeleteProfile(ctx context.Context, id string) error

DeleteProfile implements Service. Primarily useful in a client.

func (Endpoints) GetAddress

func (e Endpoints) GetAddress(ctx context.Context, profileID string, addressID string) (Address, error)

GetAddress implements Service. Primarily useful in a client.

func (Endpoints) GetAddresses

func (e Endpoints) GetAddresses(ctx context.Context, profileID string) ([]Address, error)

GetAddresses implements Service. Primarily useful in a client.

func (Endpoints) GetProfile

func (e Endpoints) GetProfile(ctx context.Context, id string) (Profile, error)

GetProfile implements Service. Primarily useful in a client.

func (Endpoints) PatchProfile

func (e Endpoints) PatchProfile(ctx context.Context, id string, p Profile) error

PatchProfile implements Service. Primarily useful in a client.

func (Endpoints) PostAddress

func (e Endpoints) PostAddress(ctx context.Context, profileID string, a Address) error

PostAddress implements Service. Primarily useful in a client.

func (Endpoints) PostProfile

func (e Endpoints) PostProfile(ctx context.Context, p Profile) error

PostProfile implements Service. Primarily useful in a client.

func (Endpoints) PutProfile

func (e Endpoints) PutProfile(ctx context.Context, id string, p Profile) error

PutProfile implements Service. Primarily useful in a client.

type Middleware

type Middleware func(Service) Service

Middleware describes a service (as opposed to endpoint) middleware.

func LoggingMiddleware

func LoggingMiddleware(logger log.Logger) Middleware

type Profile

type Profile struct {
	ID        string    `json:"id"`
	Name      string    `json:"name,omitempty"`
	Addresses []Address `json:"addresses,omitempty"`
}

Profile represents a single user profile. ID should be globally unique.

type Service

type Service interface {
	PostProfile(ctx context.Context, p Profile) error
	GetProfile(ctx context.Context, id string) (Profile, error)
	PutProfile(ctx context.Context, id string, p Profile) error
	PatchProfile(ctx context.Context, id string, p Profile) error
	DeleteProfile(ctx context.Context, id string) error
	GetAddresses(ctx context.Context, profileID string) ([]Address, error)
	GetAddress(ctx context.Context, profileID string, addressID string) (Address, error)
	PostAddress(ctx context.Context, profileID string, a Address) error
	DeleteAddress(ctx context.Context, profileID string, addressID string) error
}

Service is a simple CRUD interface for user profiles.

func NewInmemService

func NewInmemService() Service

Directories

Path Synopsis
Package client provides a profilesvc client based on a predefined Consul service name and relevant tags.
Package client provides a profilesvc client based on a predefined Consul service name and relevant tags.
cmd

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