private async Task <List <TransactionDayGroup> > ListTransactionDayGroup(TransactionDayGroupFilter filter)
{
// Khoi tao List chua ket qua
List <TransactionDayGroup> result = new List <TransactionDayGroup>();
// Lay het ngay trong thang filter ra
List <DateTime> dates = GetDates(filter.Year, filter.Month);
// Trong moi ngay ma co Transaction thi tao 1 TransactionDayGroup
foreach (DateTime date in dates)
{
// Tao filter theo tung ngay trong thang
TransactionFilter transactionFilter = new TransactionFilter
{
Date = new DateTimeFilter {
Equal = date
},
WalletName = new StringFilter {
Equal = filter.WalletName
},
UserId = new GuidFilter {
Equal = filter.UserId
}
};
// List transactions trong ngay hom do
List <Transaction> transactions = await List(transactionFilter);
// Neu ngay hom do co transactions thi tao 1 TransactionDayGroup moi
if (transactions != null)
{
if (transactions.Count > 0)
{
decimal inflow = 0;
decimal outflow = 0;
transactions.ForEach(t =>
{
if (t.Amount < 0)
{
outflow += t.Amount;
}
else
{
inflow += t.Amount;
}
});
result.Add(new TransactionDayGroup
{
Date = date,
Transactions = transactions,
Inflow = inflow,
Outflow = outflow
});
}
}
}
// Tra ket qua
return(result);
}
public async Task <TransactionMonthGroup> GetTransactionMonthGroup(TransactionMonthGroupFilter filter)
{
// Filter theo thang va nam de list transaction day group theo thang do
TransactionDayGroupFilter transactionDayGroupFilter = new TransactionDayGroupFilter
{
Month = filter.Month,
Year = filter.Year,
WalletName = filter.WalletName,
UserId = filter.UserId
};
List <TransactionDayGroup> transactionDayGroups = await ListTransactionDayGroup(transactionDayGroupFilter);
// Tinh toan voi outflow < 0 va inflow > 0
decimal inflow = 0;
decimal outflow = 0;
transactionDayGroups.ForEach(tdg =>
{
inflow += tdg.Inflow;
outflow += tdg.Outflow;
});
// Tra ve transaction month group
return(new TransactionMonthGroup
{
Outflow = outflow,
Inflow = inflow,
InOutRate = inflow + outflow,
Month = filter.Month,
Year = filter.Year,
TransactionDayGroups = transactionDayGroups
});
}
