Use config in server

main.go

@@ -2,7 +2,9 @@ package main
 
 import (
 	"context"
+	"errors"
 	"fmt"
+	"net/http"
 	"os"
 
 	"git.t-juice.club/torjus/ministream/server"
@@ -11,20 +13,29 @@ import (
 
 const Version = "v0.1.1"
 
+type ctxKey string
+
+const (
+	ctxKeyConfig ctxKey = "config"
+)
+
 func main() {
 	app := cli.App{
 		Name:  "ministream",
 		Usage: "Small livestreaming platform.",
 		Commands: []*cli.Command{
 			{
-				Name:  "serve",
+				Name:   "serve",
-				Usage: "Start livestreaming server.",
+				Usage:  "Start livestreaming server.",
-				Action: func(ctx *cli.Context) error {
+				Before: loadConfig,
-					store := server.NewUserStore()
+				Action: func(c *cli.Context) error {
+					cfg := configFromCtx(c.Context)
 
-					srv := server.NewServer(store)
+					srv := server.NewServer(cfg)
-					srv.Addr = ":8080"
+					srv.Addr = cfg.HTTPListenAddr
-					srv.ListenAndServe()
+					if err := srv.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
+						return err
+					}
 					return nil
 				},
 			},
@@ -37,3 +48,27 @@ func main() {
 		fmt.Println(err)
 	}
 }
+
+func loadConfig(c *cli.Context) error {
+	cfg, err := server.ConfigFromDefault()
+	if err != nil {
+		return err
+	}
+
+	c.Context = context.WithValue(c.Context, ctxKeyConfig, cfg)
+	return nil
+}
+
+func configFromCtx(ctx context.Context) *server.Config {
+	value := ctx.Value(ctxKeyConfig)
+	if value == nil {
+		panic("unable to load config")
+	}
+
+	config, ok := value.(*server.Config)
+	if !ok {
+		panic("config type assertion failed")
+	}
+
+	return config
+}

server/server.go

@@ -19,15 +19,15 @@ import (
 var static embed.FS
 
 type Server struct {
-	users   *UserStore
 	streams *StreamStore
+	config  *Config
 	http.Server
 }
 
-func NewServer(store *UserStore) *Server {
+func NewServer(config *Config) *Server {
 	srv := &Server{
-		users:   store,
 		streams: NewStreamStore(),
+		config:  config,
 	}
 
 	r := chi.NewRouter()
@@ -41,6 +41,7 @@ func NewServer(store *UserStore) *Server {
 	r.Patch("/whip/{streamKey}", srv.PatchHandler)
 	r.Post("/whip/{streamKey}", srv.PostOfferHandler)
 	r.Get("/stats", srv.streams.StatsHandler)
+	r.Get("/api/siteinfo", srv.InfoHandler)
 
 	srv.Handler = r
 
@@ -55,6 +56,17 @@ func corsMiddleware(next http.Handler) http.Handler {
 	return http.HandlerFunc(fn)
 }
 
+func (s *Server) InfoHandler(w http.ResponseWriter, r *http.Request) {
+	var infoResponse struct {
+		SiteName string `json:"siteName"`
+	}
+	infoResponse.SiteName = s.config.SiteName
+
+	if err := json.NewEncoder(w).Encode(&infoResponse); err != nil {
+		slog.Warn("Error writing info response")
+	}
+}
+
 func (s *Server) OptionsHandler(w http.ResponseWriter, r *http.Request) {
 	slog.Info("Got OPTIONS")
 }