Refactored project structure

backend/handlers/daily_cleanup.go

@@ -0,0 +1,46 @@
+package handlers
+
+import (
+	"log/slog"
+	"strconv"
+	"strings"
+	"time"
+)
+
+func StartDailyCleanup(app *App) {
+	loc, _ := time.LoadLocation("Europe/Budapest")
+
+	go func() {
+		for {
+			// read finalize_time from DB (default "10:30")
+			t := app.getSetting("finalize_time", "10:30")
+
+			// parse "HH:MM"
+			parts := strings.Split(t, ":")
+			hour, _ := strconv.Atoi(parts[0])
+			minute, _ := strconv.Atoi(parts[1])
+
+			now := time.Now().In(loc)
+			next := time.Date(now.Year(), now.Month(), now.Day(), hour, minute, 0, 0, loc)
+			if !next.After(now) {
+				next = next.Add(24 * time.Hour)
+			}
+
+			slog.Info("Next finalize scheduled", "time", next)
+
+			timer := time.NewTimer(time.Until(next))
+
+			select {
+			case <-timer.C:
+				if err := finalizeOrders(app); err != nil {
+					slog.Error("Daily finalize failed", "error", err)
+				} else {
+					slog.Info("Orders finalized", "time", time.Now().In(loc))
+				}
+			case <-app.FinalizeUpdate:
+				slog.Info("Finalize time updated, recalculating...")
+				timer.Stop()
+			}
+		}
+	}()
+}