chatter

package
v2.2.1+incompatible Latest Latest
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 Go to latest Published: Aug 9, 2020 License: MIT Imports: 4 Imported by: 7

Documentation

Index

Constants

View Source 
const ServiceName = "chatter"

ServiceName is the name of the service as defined in the design. This is the same value that is set in the endpoint request contexts under the ServiceKey key.

Variables

View Source 
var MethodNames = [6]string{"login", "echoer", "listener", "summary", "subscribe", "history"}

MethodNames lists the service method names as defined in the design. These are the same values that are set in the endpoint request contexts under the MethodKey key.

Functions

func NewEchoerEndpoint 

func NewEchoerEndpoint(s Service, authJWTFn security.AuthJWTFunc) goa.Endpoint

NewEchoerEndpoint returns an endpoint function that calls the method "echoer" of service "chatter".

func NewHistoryEndpoint 

func NewHistoryEndpoint(s Service, authJWTFn security.AuthJWTFunc) goa.Endpoint

NewHistoryEndpoint returns an endpoint function that calls the method "history" of service "chatter".

func NewListenerEndpoint 

func NewListenerEndpoint(s Service, authJWTFn security.AuthJWTFunc) goa.Endpoint

NewListenerEndpoint returns an endpoint function that calls the method "listener" of service "chatter".

func NewLoginEndpoint 

func NewLoginEndpoint(s Service, authBasicFn security.AuthBasicFunc) goa.Endpoint

NewLoginEndpoint returns an endpoint function that calls the method "login" of service "chatter".

func NewSubscribeEndpoint 

func NewSubscribeEndpoint(s Service, authJWTFn security.AuthJWTFunc) goa.Endpoint

NewSubscribeEndpoint returns an endpoint function that calls the method "subscribe" of service "chatter".

func NewSummaryEndpoint 

func NewSummaryEndpoint(s Service, authJWTFn security.AuthJWTFunc) goa.Endpoint

NewSummaryEndpoint returns an endpoint function that calls the method "summary" of service "chatter".

func NewViewedChatSummary 

func NewViewedChatSummary(res *ChatSummary, view string) *chatterviews.ChatSummary

NewViewedChatSummary initializes viewed result type ChatSummary from result type ChatSummary using the given view.

func NewViewedChatSummaryCollection 

func NewViewedChatSummaryCollection(res ChatSummaryCollection, view string) chatterviews.ChatSummaryCollection

NewViewedChatSummaryCollection initializes viewed result type ChatSummaryCollection from result type ChatSummaryCollection using the given view.

Types

type Auther 

type Auther interface {
	// BasicAuth implements the authorization logic for the Basic security scheme.
	BasicAuth(ctx context.Context, user, pass string, schema *security.BasicScheme) (context.Context, error)
	// JWTAuth implements the authorization logic for the JWT security scheme.
	JWTAuth(ctx context.Context, token string, schema *security.JWTScheme) (context.Context, error)
}

Auther defines the authorization functions to be implemented by the service.

type ChatSummary 

type ChatSummary struct {
	// Message sent to the server
	Message string
	// Length of the message sent
	Length *int
	// Time at which the message was sent
	SentAt string
}

ChatSummary is the result type of the chatter service history method.

func NewChatSummary 

func NewChatSummary(vres *chatterviews.ChatSummary) *ChatSummary

NewChatSummary initializes result type ChatSummary from viewed result type ChatSummary.

type ChatSummaryCollection 

type ChatSummaryCollection []*ChatSummary

ChatSummaryCollection is the result type of the chatter service summary method.

func NewChatSummaryCollection 

func NewChatSummaryCollection(vres chatterviews.ChatSummaryCollection) ChatSummaryCollection

NewChatSummaryCollection initializes result type ChatSummaryCollection from viewed result type ChatSummaryCollection.

type Client 

type Client struct {
	LoginEndpoint     goa.Endpoint
	EchoerEndpoint    goa.Endpoint
	ListenerEndpoint  goa.Endpoint
	SummaryEndpoint   goa.Endpoint
	SubscribeEndpoint goa.Endpoint
	HistoryEndpoint   goa.Endpoint
}

Client is the "chatter" service client.

func NewClient 

func NewClient(login, echoer, listener, summary, subscribe, history goa.Endpoint) *Client

NewClient initializes a "chatter" service client given the endpoints.

func (*Client) Echoer 

func (c *Client) Echoer(ctx context.Context, p *EchoerPayload) (res EchoerClientStream, err error)

Echoer calls the "echoer" endpoint of the "chatter" service. Echoer may return the following errors:

  • "unauthorized" (type Unauthorized)
  • "invalid-scopes" (type InvalidScopes)
  • error: internal error

func (*Client) History 

func (c *Client) History(ctx context.Context, p *HistoryPayload) (res HistoryClientStream, err error)

History calls the "history" endpoint of the "chatter" service. History may return the following errors:

  • "unauthorized" (type Unauthorized)
  • "invalid-scopes" (type InvalidScopes)
  • error: internal error

func (*Client) Listener 

func (c *Client) Listener(ctx context.Context, p *ListenerPayload) (res ListenerClientStream, err error)

Listener calls the "listener" endpoint of the "chatter" service. Listener may return the following errors:

  • "unauthorized" (type Unauthorized)
  • "invalid-scopes" (type InvalidScopes)
  • error: internal error

func (*Client) Login 

func (c *Client) Login(ctx context.Context, p *LoginPayload) (res string, err error)

Login calls the "login" endpoint of the "chatter" service. Login may return the following errors:

  • "unauthorized" (type Unauthorized)
  • error: internal error

func (*Client) Subscribe 

func (c *Client) Subscribe(ctx context.Context, p *SubscribePayload) (res SubscribeClientStream, err error)

Subscribe calls the "subscribe" endpoint of the "chatter" service. Subscribe may return the following errors:

  • "unauthorized" (type Unauthorized)
  • "invalid-scopes" (type InvalidScopes)
  • error: internal error

func (*Client) Summary 

func (c *Client) Summary(ctx context.Context, p *SummaryPayload) (res SummaryClientStream, err error)

Summary calls the "summary" endpoint of the "chatter" service. Summary may return the following errors:

  • "unauthorized" (type Unauthorized)
  • "invalid-scopes" (type InvalidScopes)
  • error: internal error

type EchoerClientStream 

type EchoerClientStream interface {
	// Send streams instances of "string".
	Send(string) error
	// Recv reads instances of "string" from the stream.
	Recv() (string, error)
	// Close closes the stream.
	Close() error
}

EchoerClientStream is the interface a "echoer" endpoint client stream must satisfy.

type EchoerEndpointInput 

type EchoerEndpointInput struct {
	// Payload is the method payload.
	Payload *EchoerPayload
	// Stream is the server stream used by the "echoer" method to send data.
	Stream EchoerServerStream
}

EchoerEndpointInput holds both the payload and the server stream of the "echoer" method.

type EchoerPayload 

type EchoerPayload struct {
	// JWT used for authentication
	Token string
}

EchoerPayload is the payload type of the chatter service echoer method.

type EchoerServerStream 

type EchoerServerStream interface {
	// Send streams instances of "string".
	Send(string) error
	// Recv reads instances of "string" from the stream.
	Recv() (string, error)
	// Close closes the stream.
	Close() error
}

EchoerServerStream is the interface a "echoer" endpoint server stream must satisfy.

type Endpoints 

type Endpoints struct {
	Login     goa.Endpoint
	Echoer    goa.Endpoint
	Listener  goa.Endpoint
	Summary   goa.Endpoint
	Subscribe goa.Endpoint
	History   goa.Endpoint
}

Endpoints wraps the "chatter" service endpoints.

func NewEndpoints 

func NewEndpoints(s Service) *Endpoints

NewEndpoints wraps the methods of the "chatter" service with endpoints.

func (*Endpoints) Use 

func (e *Endpoints) Use(m func(goa.Endpoint) goa.Endpoint)

Use applies the given middleware to all the "chatter" service endpoints.

type Event 

type Event struct {
	// Message sent to the server
	Message string
	Action  string
	// Time at which the message was added
	AddedAt string
}

Event is the result type of the chatter service subscribe method.

type HistoryClientStream 

type HistoryClientStream interface {
	// Recv reads instances of "ChatSummary" from the stream.
	Recv() (*ChatSummary, error)
}

HistoryClientStream is the interface a "history" endpoint client stream must satisfy.

type HistoryEndpointInput 

type HistoryEndpointInput struct {
	// Payload is the method payload.
	Payload *HistoryPayload
	// Stream is the server stream used by the "history" method to send data.
	Stream HistoryServerStream
}

HistoryEndpointInput holds both the payload and the server stream of the "history" method.

type HistoryPayload 

type HistoryPayload struct {
	// JWT used for authentication
	Token string
	// View to use to render the result
	View *string
}

HistoryPayload is the payload type of the chatter service history method.

type HistoryServerStream 

type HistoryServerStream interface {
	// Send streams instances of "ChatSummary".
	Send(*ChatSummary) error
	// Close closes the stream.
	Close() error
	// SetView sets the view used to render the result before streaming.
	SetView(view string)
}

HistoryServerStream is the interface a "history" endpoint server stream must satisfy.

type InvalidScopes 

type InvalidScopes string

func (InvalidScopes) Error 

func (e InvalidScopes) Error() string

Error returns an error description.

func (InvalidScopes) ErrorName 

func (e InvalidScopes) ErrorName() string

ErrorName returns "invalid-scopes".

type ListenerClientStream 

type ListenerClientStream interface {
	// Send streams instances of "string".
	Send(string) error
	// Close closes the stream.
	Close() error
}

ListenerClientStream is the interface a "listener" endpoint client stream must satisfy.

type ListenerEndpointInput 

type ListenerEndpointInput struct {
	// Payload is the method payload.
	Payload *ListenerPayload
	// Stream is the server stream used by the "listener" method to send data.
	Stream ListenerServerStream
}

ListenerEndpointInput holds both the payload and the server stream of the "listener" method.

type ListenerPayload 

type ListenerPayload struct {
	// JWT used for authentication
	Token string
}

ListenerPayload is the payload type of the chatter service listener method.

type ListenerServerStream 

type ListenerServerStream interface {
	// Recv reads instances of "string" from the stream.
	Recv() (string, error)
	// Close closes the stream.
	Close() error
}

ListenerServerStream is the interface a "listener" endpoint server stream must satisfy.

type LoginPayload 

type LoginPayload struct {
	User     string
	Password string
}

Credentials used to authenticate to retrieve JWT token

type Service 

type Service interface {
	// Creates a valid JWT token for auth to chat.
	Login(context.Context, *LoginPayload) (res string, err error)
	// Echoes the message sent by the client.
	Echoer(context.Context, *EchoerPayload, EchoerServerStream) (err error)
	// Listens to the messages sent by the client.
	Listener(context.Context, *ListenerPayload, ListenerServerStream) (err error)
	// Summarizes the chat messages sent by the client.
	Summary(context.Context, *SummaryPayload, SummaryServerStream) (err error)
	// Subscribe to events sent when new chat messages are added.
	Subscribe(context.Context, *SubscribePayload, SubscribeServerStream) (err error)
	// Returns the chat messages sent to the server.
	// The "view" return value must have one of the following views
	//	- "tiny"
	//	- "default"
	History(context.Context, *HistoryPayload, HistoryServerStream) (err error)
}

The chatter service implements a simple client and server chat.

type SubscribeClientStream 

type SubscribeClientStream interface {
	// Recv reads instances of "Event" from the stream.
	Recv() (*Event, error)
}

SubscribeClientStream is the interface a "subscribe" endpoint client stream must satisfy.

type SubscribeEndpointInput 

type SubscribeEndpointInput struct {
	// Payload is the method payload.
	Payload *SubscribePayload
	// Stream is the server stream used by the "subscribe" method to send data.
	Stream SubscribeServerStream
}

SubscribeEndpointInput holds both the payload and the server stream of the "subscribe" method.

type SubscribePayload 

type SubscribePayload struct {
	// JWT used for authentication
	Token string
}

SubscribePayload is the payload type of the chatter service subscribe method.

type SubscribeServerStream 

type SubscribeServerStream interface {
	// Send streams instances of "Event".
	Send(*Event) error
	// Close closes the stream.
	Close() error
}

SubscribeServerStream is the interface a "subscribe" endpoint server stream must satisfy.

type SummaryClientStream 

type SummaryClientStream interface {
	// Send streams instances of "string".
	Send(string) error
	// CloseAndRecv stops sending messages to the stream and reads instances of
	// "ChatSummaryCollection" from the stream.
	CloseAndRecv() (ChatSummaryCollection, error)
}

SummaryClientStream is the interface a "summary" endpoint client stream must satisfy.

type SummaryEndpointInput 

type SummaryEndpointInput struct {
	// Payload is the method payload.
	Payload *SummaryPayload
	// Stream is the server stream used by the "summary" method to send data.
	Stream SummaryServerStream
}

SummaryEndpointInput holds both the payload and the server stream of the "summary" method.

type SummaryPayload 

type SummaryPayload struct {
	// JWT used for authentication
	Token string
}

SummaryPayload is the payload type of the chatter service summary method.

type SummaryServerStream 

type SummaryServerStream interface {
	// SendAndClose streams instances of "ChatSummaryCollection" and closes the
	// stream.
	SendAndClose(ChatSummaryCollection) error
	// Recv reads instances of "string" from the stream.
	Recv() (string, error)
}

SummaryServerStream is the interface a "summary" endpoint server stream must satisfy.

type Unauthorized 

type Unauthorized string

Credentials are invalid

func (Unauthorized) Error 

func (e Unauthorized) Error() string

Error returns an error description.

func (Unauthorized) ErrorName 

func (e Unauthorized) ErrorName() string

ErrorName returns "unauthorized".

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