/
events.go
122 lines (108 loc) · 3.08 KB
/
events.go
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package events
import (
"context"
"fmt"
"go.uber.org/zap"
arpc "github.com/morzhanov/go-realworld/api/grpc/auth"
"github.com/morzhanov/go-realworld/internal/auth/services"
"github.com/morzhanov/go-realworld/internal/common/config"
"github.com/morzhanov/go-realworld/internal/common/events"
"github.com/morzhanov/go-realworld/internal/common/events/eventscontroller"
"github.com/morzhanov/go-realworld/internal/common/sender"
"github.com/opentracing/opentracing-go"
"github.com/segmentio/kafka-go"
)
type authEventsController struct {
eventscontroller.BaseEventsController
service services.AuthService
sender sender.Sender
}
type AuthEventsController interface {
Listen(ctx context.Context)
}
func (c *authEventsController) processRequest(in *kafka.Message) error {
switch string(in.Key) {
case c.sender.GetAPI().Auth().Events["validateEventsRequest"].Event:
return c.validateEventsRequest(in)
case c.sender.GetAPI().Auth().Events["login"].Event:
return c.login(in)
case c.sender.GetAPI().Auth().Events["signup"].Event:
return c.signup(in)
default:
return fmt.Errorf("wrong event name: %s", in.Key)
}
}
func (c *authEventsController) validateEventsRequest(in *kafka.Message) error {
span := c.CreateSpan(in)
defer span.Finish()
res := arpc.ValidateEventsRequestInput{}
payload, err := events.ParseEventsResponse(in.Value, &res)
if err != nil {
return err
}
d, err := c.service.ValidateEventsRequest(&res)
if err != nil {
return err
}
return c.BaseEventsController.SendResponse(payload.EventId, &d, &span)
}
func (c *authEventsController) login(in *kafka.Message) error {
span := c.CreateSpan(in)
defer span.Finish()
res := arpc.LoginInput{}
payload, err := events.ParseEventsResponse(in.Value, &res)
if err != nil {
return err
}
ctx := context.WithValue(context.Background(), "transport", sender.EventsTransport)
d, err := c.service.Login(ctx, &res, &span)
if err != nil {
return err
}
return c.BaseEventsController.SendResponse(payload.EventId, &d, &span)
}
func (c *authEventsController) signup(in *kafka.Message) error {
span := c.CreateSpan(in)
defer span.Finish()
res := arpc.SignupInput{}
payload, err := events.ParseEventsResponse(in.Value, &res)
if err != nil {
return err
}
ctx := context.WithValue(context.Background(), "transport", sender.EventsTransport)
d, err := c.service.Signup(ctx, &res, &span)
if err != nil {
return err
}
return c.BaseEventsController.SendResponse(payload.EventId, &d, &span)
}
func (c *authEventsController) Listen(ctx context.Context) {
c.BaseEventsController.Listen(
ctx,
func(m *kafka.Message) {
err := c.processRequest(m)
if err != nil {
c.BaseEventsController.Logger().Error(err.Error())
}
},
)
}
func NewAuthEventsController(
s services.AuthService,
c *config.Config,
sender sender.Sender,
tracer opentracing.Tracer,
logger *zap.Logger,
) (AuthEventsController, error) {
controller, err := eventscontroller.NewEventsController(
sender,
tracer,
logger,
c,
)
return &authEventsController{
service: s,
BaseEventsController: controller,
sender: sender,
}, err
}