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Copy pathserver.go
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66 lines (52 loc) · 1.42 KB
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// Package server provides an HTTP server implementation serving the ToDo app.
package server
import (
"context"
"errors"
"fmt"
"log"
"net/http"
"os"
"os/signal"
"time"
"github.com/dominikbraun/todo/controller"
"github.com/dominikbraun/todo/core"
"github.com/go-chi/chi"
)
// Server represents an easy-to-use HTTP server that exposes a REST API.
type Server struct {
router chi.Router
internal *http.Server
controller *controller.RESTController
}
// New creates a server that uses the given app instance to handle requests.
func New(port uint, app *core.App) *Server {
address := fmt.Sprintf("0.0.0.0:%v", port)
server := &Server{
internal: &http.Server{Addr: address},
controller: controller.NewRESTController(app),
}
server.initializeRouter()
server.internal.Handler = server.router
return server
}
// Run starts the server. It will serve requests on the configured address until
// an interrupt signal has been received, e.g. by pressing Ctrl + C.
func (s *Server) Run() error {
shutdown := make(chan os.Signal)
signal.Notify(shutdown, os.Interrupt)
go func() {
err := s.internal.ListenAndServe()
if !errors.Is(err, http.ErrServerClosed) {
log.Fatal(err)
}
}()
// Wait until an interrupt signal has been received.
<-shutdown
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
defer cancel()
if err := s.internal.Shutdown(ctx); err != nil {
return err
}
return nil
}