public UserTransactionsViewModel(TransactionListDTO transactionsList, Dictionary <string, decimal> amounts)
{
this.Transactions = transactionsList.Transactions;
this.HasNextPage = transactionsList.HasNextPage;
this.HasPreviousPage = transactionsList.HasPreviousPage;
this.PageCount = transactionsList.PageCount;
this.PageNumber = transactionsList.PageNumber;
this.PageSize = transactionsList.PageSize;
this.TotalItemCount = transactionsList.TotalItemCount;
this.IsFirstPage = transactionsList.IsFirstPage;
this.IsLastPage = transactionsList.IsLastPage;
this.CurrencySymbol = transactionsList.CurrencySymbol;
SetDisplayPages();
this.Amounts = amounts;
}
public async Task <TransactionListDTO> GetUserTransactions(string searchByUsername = null, int page = 1, int size = GlobalConstants.DefultPageSize, string sortOrder = GlobalConstants.DefaultTransactionSorting)
{
var transactions = this.context
.Transactions
.Include(transaction => transaction.User)
.AsQueryable();
if (!string.IsNullOrWhiteSpace(searchByUsername))
{
transactions = transactions
.Where(transaction => transaction.User.UserName.Contains(searchByUsername ?? "", StringComparison.InvariantCultureIgnoreCase));
}
var property = sortOrder.Remove(sortOrder.IndexOf("_"));
PropertyInfo prop = typeof(Transaction).GetProperty(property, BindingFlags.IgnoreCase | BindingFlags.Instance | BindingFlags.Public);
if (!sortOrder.Contains("_desc"))
{
transactions = transactions
.OrderBy(transaction => prop.GetValue(transaction));
}
else
{
transactions = transactions
.OrderByDescending(transaction => prop.GetValue(transaction));
}
var currencies = await this.foreignExchangeService.GetConvertionRates();
var transactionsDTO = await transactions
.Select(transaction => new TransactionDTO()
{
Type = transaction.Type,
Username = transaction.User.UserName,
Amount = Math.Round(transaction.Amount *currencies.Rates[transaction.Currency.ToString()], 2),
Description = transaction.Description,
CreatedOn = transaction.CreatedOn,
Currency = transaction.Currency
})
.ToPagedListAsync(page, size);
var transactionsCurrency = "";
if (transactionsDTO.Count == 0)
{
var userWallet = await this.context.Wallets.Where(wallet => wallet.User.UserName == searchByUsername).FirstOrDefaultAsync();
transactionsCurrency = userWallet.Currency.ToString();
}
else
{
transactionsCurrency = transactions.First().Currency.ToString();
}
var getCurrencySymbol = CultureReferences.CurrencySymbols.TryGetValue(transactionsCurrency, out string currencySymbol);
if (!getCurrencySymbol)
{
throw new EntityNotFoundException("Currency with such ISOCurrencySymbol cannot be found");
}
var result = new TransactionListDTO(transactionsDTO);
result.Currency = transactionsCurrency;
result.CurrencySymbol = currencySymbol;
return(result);
}
