Dashboard nach Feld gruppieren und Verkaufs-Hinweise integrieren

cmd/server/calendar.go

@@ -33,7 +33,7 @@ func buildCalendar(plans []Plan, crops []Crop, products []Product, stepMap map[i
 			items := collectTasksForDate(plans, crops, products, stepMap, customTasks, month, d, yearOffset)
 			applyCompletion(items, doneMap)
 			sortTasks(items)
-			days = append(days, CalendarDay{Day: d, Tasks: items})
+			days = append(days, CalendarDay{Day: d, Tasks: items, Groups: groupTasksByField(items)})
 		}
 		out = append(out, CalendarMonth{
 			Offset:     offset,
@@ -46,6 +46,25 @@ func buildCalendar(plans []Plan, crops []Crop, products []Product, stepMap map[i
 	return out
 }
 
+func groupTasksByField(tasks []Task) []FieldTaskGroup {
+	if len(tasks) == 0 {
+		return nil
+	}
+	order := make([]string, 0, len(tasks))
+	grouped := make(map[string][]Task)
+	for _, t := range tasks {
+		if _, ok := grouped[t.Field]; !ok {
+			order = append(order, t.Field)
+		}
+		grouped[t.Field] = append(grouped[t.Field], t)
+	}
+	out := make([]FieldTaskGroup, 0, len(order))
+	for _, field := range order {
+		out = append(out, FieldTaskGroup{Field: field, Tasks: grouped[field]})
+	}
+	return out
+}
+
 func collectTasksForDate(plans []Plan, crops []Crop, products []Product, stepMap map[int64][]CropStep, customTasks []CustomTask, month, day, yearOffset int) []Task {
 	var tasks []Task