Basic server app with WS connection.

server/internal/services/core/httpserver/httpserver.go

@@ -0,0 +1,91 @@
+package httpserver
+
+import (
+	"errors"
+	"fmt"
+	"log/slog"
+	"net/http"
+
+	"bunker/server/internal/application"
+	"bunker/server/internal/services/core"
+)
+
+var (
+	_ = core.HTTPServer(&httpServer{})
+
+	errHTTPServer = errors.New("HTTP server core service")
+)
+
+type httpServer struct {
+	app     *application.Application
+	logger  *slog.Logger
+	db      core.Database
+	httpSrv *http.Server
+}
+
+// Initialize initializes service.
+func Initialize(app *application.Application) error {
+	httpSrv := &httpServer{
+		app: app,
+	}
+
+	if err := app.RegisterService(httpSrv); err != nil {
+		return fmt.Errorf("%w: %w", errHTTPServer, err)
+	}
+
+	return nil
+}
+
+func (h *httpServer) Configure() error {
+	h.logger.Debug("Configuring service...")
+
+	if err := h.configureHTTPServer(); err != nil {
+		return fmt.Errorf("configure: %w", err)
+	}
+
+	return nil
+}
+
+func (h *httpServer) ConnectDependencies() error {
+	databaseRaw := h.app.Service(core.ServiceNameDatabase)
+	if databaseRaw == nil {
+		return fmt.Errorf("connect dependencies: get database service: %w", application.ErrServiceNotFound)
+	}
+
+	database, valid := databaseRaw.(core.Database)
+	if !valid {
+		return fmt.Errorf("connect dependencies: type assert database service: %w", core.ErrDatabaseIsInvalid)
+	}
+
+	h.db = database
+
+	return nil
+}
+
+func (h *httpServer) Initialize() error {
+	h.logger = h.app.NewLogger("service", core.ServiceNameHTTPServer)
+
+	h.logger.Info("Initializing...")
+
+	return nil
+}
+
+func (h *httpServer) Name() string {
+	return core.ServiceNameHTTPServer
+}
+
+func (h *httpServer) LaunchStartupTasks() error {
+	h.logger.Debug("Launching startup tasks...")
+
+	go h.startHTTPServer()
+
+	return nil
+}
+
+func (h *httpServer) Shutdown() error {
+	if err := h.stopHTTPServer(); err != nil {
+		return fmt.Errorf("%w: Shutdown: %w", errHTTPServer, err)
+	}
+
+	return nil
+}