server.go

package main

import (
	"context"
	"errors"
	"fmt"
	"net/http"
	"os"
	"os/signal"
	"syscall"
	"time"
	"htmxx/middleware"
)

const (
	defaultShutdownPeriod = 30 * time.Second
)

func (app *application) serveHTTP() error {
	srv := &http.Server{
		Addr:         fmt.Sprintf(":%s", app.config.httpPort),
		Handler:      middleware.Logging(middleware.GetUser(app.routes())),
	}

	shutdownErrorChan := make(chan error)

	go func() {
		quitChan := make(chan os.Signal, 1)
		signal.Notify(quitChan, syscall.SIGINT, syscall.SIGTERM)
		<-quitChan

		ctx, cancel := context.WithTimeout(context.Background(), defaultShutdownPeriod)
		defer cancel()

		shutdownErrorChan <- srv.Shutdown(ctx)
	}()

	fmt.Println("starting server", "server", "addr", srv.Addr)

	err := srv.ListenAndServe()
	if !errors.Is(err, http.ErrServerClosed) {
		return err
	}

	err = <-shutdownErrorChan
	if err != nil {
		return err
	}

	fmt.Println("stopped server", "server", "addr", srv.Addr)

	return nil
}