calculatePaid function
Implementation
String calculatePaid(Proposal proposal) {
// Calculate based on start date and daily pay
final startDate = DateTime.parse(proposal.startDate);
final now = DateTime.now();
final daysPassed = now.difference(startDate).inDays;
final dailyAmount = double.parse(proposal.dailyPay.amount) / 1000;
return (daysPassed * dailyAmount).toStringAsFixed(0);
}