public InquiryResult PerformInquiry(Account selectedAccount, Command toPerform, IDataAccessLayer dal, params string[] parameters)
{
List<string> responses = new List<string>();
List<string> followUps = new List<string>();
switch (toPerform.Inquiry)
{
case TransactionTypes.ListAccounts:
List<Account> foundAccounts = new List<Account>();
int numberToLoad = 5;
int.TryParse(parameters[0], out numberToLoad);
bool descOrder = true;
if (parameters != null && parameters.Count() > 1 && parameters[1] == "asc")
descOrder = false;
if (descOrder)
foundAccounts.AddRange(dal.HighestAccounts(numberToLoad));
else
foundAccounts.AddRange(dal.LowestAccounts(numberToLoad));
foreach (Account act in foundAccounts)
{
responses.Add(string.Format("Account {0} has {1} in it and is owned by {2}", act.Id, act.Balance.ToString(), act.Owner.DisplayName));
}
break;
case TransactionTypes.GetAccountAtDate:
if (parameters != null && parameters.Count() > 0)
{
DateTime targetDate = DateTime.MinValue;
if(DateTime.TryParse(parameters[0], out targetDate))
{
if (selectedAccount.TransactionHistory.Count() > 0)
{
List<Transaction> allTransInOrder = selectedAccount.TransactionHistory.OrderBy(x => x.Time).ToList();
Transaction lastTransaction = allTransInOrder[0];
foreach(var t in allTransInOrder)
{
if (t.Time > lastTransaction.Time && t.Time < targetDate)
{
lastTransaction = t;
}
}
responses.Add(string.Format("Account {0} had {1} on {2}", selectedAccount.Id, lastTransaction.BalanceAfter, targetDate));
}
}
}
break;
default:
break;
}
return new InquiryResult(responses, followUps);
}
