morz-infoboard/server/backend/internal/app/app.go
Jesko Anschütz 585cb83ed0 MQTT-Playlist-Push: Änderungen erreichen Client binnen 5 Sekunden
Backend published auf signage/screen/{slug}/playlist-changed nach
Playlist-Mutationen (2s Debounce). Agent subscribed und fetcht
Playlist sofort (3s Debounce). 60s-Polling bleibt als Fallback.

Neue Packages: mqttnotifier (Backend), mqttsubscriber (Agent)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-23 11:35:50 +01:00

84 lines
2.1 KiB
Go

package app
import (
"context"
"errors"
"log"
"net/http"
"os"
"git.az-it.net/az/morz-infoboard/server/backend/internal/config"
"git.az-it.net/az/morz-infoboard/server/backend/internal/db"
"git.az-it.net/az/morz-infoboard/server/backend/internal/httpapi"
"git.az-it.net/az/morz-infoboard/server/backend/internal/mqttnotifier"
"git.az-it.net/az/morz-infoboard/server/backend/internal/store"
)
type App struct {
Config config.Config
server *http.Server
notifier *mqttnotifier.Notifier
}
func New() (*App, error) {
cfg := config.Load()
logger := log.New(os.Stdout, "backend ", log.LstdFlags|log.LUTC)
// Ensure upload directory exists.
if err := os.MkdirAll(cfg.UploadDir, 0755); err != nil {
return nil, err
}
// Connect to database and run migrations.
pool, err := db.Connect(context.Background(), cfg.DatabaseURL, logger)
if err != nil {
return nil, err
}
// Status store (existing in-memory/file store).
statusStore, err := httpapi.NewStoreFromConfig(cfg.StatusStorePath)
if err != nil {
pool.Close()
return nil, err
}
// Domain stores.
tenants := store.NewTenantStore(pool.Pool)
screens := store.NewScreenStore(pool.Pool)
media := store.NewMediaStore(pool.Pool)
playlists := store.NewPlaylistStore(pool.Pool)
// MQTT notifier (no-op when broker not configured).
notifier := mqttnotifier.New(cfg.MQTTBroker, cfg.MQTTUsername, cfg.MQTTPassword)
if cfg.MQTTBroker != "" {
logger.Printf("event=mqtt_notifier_enabled broker=%s", cfg.MQTTBroker)
} else {
logger.Printf("event=mqtt_notifier_disabled reason=no_broker_configured")
}
handler := httpapi.NewRouter(httpapi.RouterDeps{
StatusStore: statusStore,
TenantStore: tenants,
ScreenStore: screens,
MediaStore: media,
PlaylistStore: playlists,
Notifier: notifier,
UploadDir: cfg.UploadDir,
Logger: logger,
})
return &App{
Config: cfg,
server: &http.Server{Addr: cfg.HTTPAddress, Handler: handler},
notifier: notifier,
}, nil
}
func (a *App) Run() error {
defer a.notifier.Close()
err := a.server.ListenAndServe()
if errors.Is(err, http.ErrServerClosed) {
return nil
}
return err
}