added feiertage to database + endpoint to insert every year

Backend/endpoints/auto-feiertage.go

@@ -1,6 +1,8 @@
 package endpoints
 
 import (
+	"arbeitszeitmessung/helper/paramParser"
+	"arbeitszeitmessung/models"
 	"log/slog"
 	"net/http"
 	"time"
@@ -9,6 +11,33 @@ import (
 )
 
 func FeiertagsHandler(w http.ResponseWriter, r *http.Request) {
-	feiertage := feiertage.Sachsen(time.Now().Year(), true)
-	slog.Info("Hier sind die Feiertage", "Feiertage", feiertage)
+	pp := paramParser.New(r.URL.Query())
+	slog.Debug("Generating Holidays")
+	from := pp.ParseTimestampFallback("from", "2006", time.Now().AddDate(-1, 0, -time.Now().YearDay()))
+	to := pp.ParseTimestampFallback("to", "2006", time.Now().AddDate(0, 0, -time.Now().YearDay()+1))
+
+	var publicHolidays map[string]models.PublicHoliday = make(map[string]models.PublicHoliday)
+
+	yearDelta := to.Year() - from.Year()
+	var holidays = feiertage.Sachsen(to.Year(), true)
+	for _, f := range holidays.Feiertage {
+		publicHolidays[f.Time.Format(time.DateOnly)] = models.NewHolidayFromFeiertag(f)
+	}
+
+	repeatingHolidays, err := models.GetRepeatingHolidays(from, to.AddDate(0, 0, -1))
+	if err != nil {
+		slog.Warn("Error getting holidays", slog.Any("Error", err))
+	}
+	slog.Debug("Found repeating Holidays", "num", len(repeatingHolidays), "from", from, "to", to, "yeardelta", yearDelta)
+	for _, day := range repeatingHolidays {
+		day.Time = day.Time.AddDate(yearDelta, 0, 0)
+		publicHolidays[day.Date().Format(time.DateOnly)] = day
+	}
+	slog.Debug("Added repeating holidays", "num", len(holidays.Feiertage))
+	for _, feiertag := range publicHolidays {
+		slog.Debug("Found holiday", "holiday", feiertag)
+		if err := feiertag.Insert(); err != nil {
+			slog.Warn("Error inserting Feiertag", slog.Any("Error", err))
+		}
+	}
 }