herderCvoMilkThisMonth method
Implementation
num herderCvoMilkThisMonth(
int herderId, DateTime dateMonthStart, DateTime dateMonthEnd) =>
where((t) => t.status)
.where((t) => t.ticketType == TicketType.spendDeferred)
.where((t) => t.comment.isNotEmpty)
.where((t) => t.contactId == herderId)
.where((t) => t.date.isAfter(dateMonthStart))
.where((t) => t.date.isBefore(dateMonthEnd))
.fold(0.0, (prev, val) => prev + val.totalCostPromoVal);