Fortlaufende Zyklus-Planung und Periodenlogik einführen

cmd/server/domain.go

@@ -90,6 +90,20 @@ func monthOptions() []MonthOption {
 	return out
 }
 
+func cycleOffsetOptions(maxOffset int) []CycleOption {
+	if maxOffset < 0 {
+		maxOffset = 0
+	}
+	out := make([]CycleOption, 0, maxOffset+1)
+	for i := 0; i <= maxOffset; i++ {
+		out = append(out, CycleOption{
+			Value: i,
+			Label: fmt.Sprintf("+%d Zyklus", i),
+		})
+	}
+	return out
+}
+
 func monthInWindow(month, start, end int) bool {
 	if start <= end {
 		return month >= start && month <= end
@@ -105,6 +119,14 @@ func wrapMonth(v int) int {
 	return m
 }
 
+func periodMonth(period int) int {
+	return (period % 12) + 1
+}
+
+func periodCycle(period int) int {
+	return period / 12
+}
+
 func validateCropInput(name string, start, end, grow, regrowCycles int) error {
 	if name == "" {
 		return errors.New("Name der Feldfrucht fehlt")