private bool ApplySettings()
{
bool result = false;
if (null != InvSettings)
{
UInt32 vatRate;
UInt32 paymentDays;
string vatRateStr = TextBoxVATRate.Text;
string paymentDaysStr = TextBoxPaymentDays.Text;
DateTime issueDate = DatePickerIssueDate.SelectedDate ?? DateTime.Now;
ParseFailReason reason = InputParser.ParseInvoiceSettings
(vatRateStr, out vatRate, paymentDaysStr, out paymentDays);
if (ParseFailReason.None != reason)
{
GUIInfoHelper.DisplayInputParseError(reason);
}
else
{
InvSettings.DaysForPayment = paymentDays;
InvSettings.VATRate = vatRate;
InvSettings.IssueDate = issueDate;
result = true;
}
}
return(result);
}
public static void DisplayInputParseError(ParseFailReason reason)
{
const string defaultErrorMsg = "Nieznany błąd";
const string emptyInputMsg = "Wypełnij wszystkie wymagane pola";
const string wrongInputMsg = "Nieprawidłowe dane wejściowe";
const string overflowInputMsg = "Została wprowadzona zbyt duża warotść";
const string invalidInputLenghtMsg = "Wprowadzona wartość ma nieprawidłową długość";
string errorMessage = defaultErrorMsg;
switch (reason)
{
case ParseFailReason.EmptyInput:
errorMessage = emptyInputMsg;
break;
case ParseFailReason.WrongInput:
errorMessage = wrongInputMsg;
break;
case ParseFailReason.InputOverflow:
errorMessage = overflowInputMsg;
break;
case ParseFailReason.InvalidInputLenght:
errorMessage = invalidInputLenghtMsg;
break;
}
MessageBox.Show(errorMessage, "Błąd", MessageBoxButton.OK, MessageBoxImage.Information);
}
public static ParseFailReason ParseInvoiceSettings(string VATRate, out UInt32 oVatRate,
string paymentDays, out UInt32 oPaymentDays)
{
ParseFailReason reason = ParseFailReason.None;
oVatRate = oPaymentDays = 0;
if (null != VATRate && null != paymentDays)
{
if (0 == VATRate.Length || 0 == paymentDays.Length)
{
reason = ParseFailReason.EmptyInput;
}
else
{
try
{
oVatRate = UInt32.Parse(VATRate);
oPaymentDays = UInt32.Parse(paymentDays);
}
catch (Exception ex)
{
reason = SetFailReason(ex);
}
}
}
else
{
reason = ParseFailReason.NullArgument;
}
return(reason);
}
/// <summary>
/// Generates company settings class instance from input provided by user.
/// Displays error if input provided by user is incorrect
/// </summary>
/// <returns>True if user passed correct values and CompanySettings class instance was created.
/// False otherwise</returns>
private Company GenerateSettings()
{
Company newSettings = null;
UInt64 REGON;
UInt64 NIP;
UInt16 houseNumber;
UInt32 postalCode;
//Postal code if combination of two text boxes values. Spaces should be removed in case user inserted some
string postalCodeStr = (TextBoxAddressPostCode1.Text + TextBoxAddressPostCode2.Text).Replace(" ", string.Empty);
ParseFailReason reason = InputParser.ParseCompanySettigns(TextBoxCompanyName.Text, TextBoxNIP.Text, out NIP,
TextBoxREGON.Text, out REGON, TextBoxAddressStreet.Text, TextBoxAddressHouseNumber.Text, out houseNumber,
TextBoxAddressCity.Text, postalCodeStr, out postalCode);
if (ParseFailReason.None == reason)
{
newSettings = new Company(TextBoxCompanyName.Text, NIP, REGON, TextBoxAddressStreet.Text,
houseNumber, TextBoxAddressCity.Text, postalCode, TextBoxBankAccountNumber.Text);
}
else
{
GUIInfoHelper.DisplayInputParseError(reason);
}
return(newSettings);
}
private static ParseFailReason SetFailReason(Exception ex)
{
ParseFailReason reason = ParseFailReason.None;
if (null != ex)
{
if (ex is FormatException)
{
reason = ParseFailReason.WrongInput;
}
else if (ex is OverflowException)
{
reason = ParseFailReason.InputOverflow;
}
else
{
reason = ParseFailReason.Unkown;
}
}
else
{
reason = ParseFailReason.Unkown;
}
return(reason);
}
public static ParseFailReason ParseInvoice(string paymentDays, out UInt32 oPaymentDays)
{
ParseFailReason reason = ParseFailReason.None;
oPaymentDays = 0;
if (null == paymentDays)
{
reason = ParseFailReason.NullArgument;
}
else if (0 == paymentDays.Length)
{
reason = ParseFailReason.EmptyInput;
}
else
{
try
{
UInt32.Parse(paymentDays);
}
catch (Exception ex)
{
SetFailReason(ex);
}
}
return(reason);
}
private void BeginAddItemToGridView()
{
UInt32 vatRate = 0;
double nettoPrice = 0.0f;
UInt32 quantity = 0;
ParseFailReason parseFailReason = InputParser.ParseGridInvoiceItem
(TextBoxItemName.Text, TextBoxVATRate.Text, out vatRate, TextBoxNettoPrice.Text,
out nettoPrice, TextBoxQuantity.Text, out quantity);
if (ParseFailReason.None == parseFailReason)
{
AddInvoiceItemToGridView(TextBoxItemName.Text, TextBoxComment.Text, nettoPrice, vatRate, quantity);
DataGridInvoiceItems.Items.Refresh();
}
else
{
GUIInfoHelper.DisplayInputParseError(parseFailReason);
}
}
public static ParseFailReason ParseCompanySettigns(string companyName, string NIP, out UInt64 oNIP,
string REGON, out UInt64 oREGON, string street, string houseNumber, out UInt16 oHouseNumber
, string city, string postalCode, out UInt32 oPostalCode)
{
ParseFailReason reason = ParseFailReason.None;
oNIP = oREGON = oPostalCode = oHouseNumber = 0;
if (null == companyName || null == NIP && null == REGON && null == street ||
null == houseNumber || null == city || null == postalCode)
{
reason = ParseFailReason.NullArgument;
}
else if (0 == companyName.Length || 0 == NIP.Length || 0 == REGON.Length || 0 == street.Length ||
0 == houseNumber.Length || 0 == city.Length || 0 == postalCode.Length)
{
reason = ParseFailReason.EmptyInput;
}
else if (PostalCodeInputLenght != postalCode.Length)
{
reason = ParseFailReason.InvalidInputLenght;
}
else
{
try
{
oNIP = UInt64.Parse(NIP);
oREGON = UInt64.Parse(REGON);
oHouseNumber = UInt16.Parse(houseNumber);
oPostalCode = UInt32.Parse(postalCode);
}
catch (Exception ex)
{
SetFailReason(ex);
}
}
return(reason);
}
/// <summary>
/// Checks whether all parameters are correct to create invoice item
/// </summary>
/// <returns>Exception if</returns>
public static ParseFailReason ParseGridInvoiceItem(string itemName, string vatRate, out UInt32 oVatRate,
string nettoPrice, out double oNettoPrice, string quantity, out UInt32 oQuantity)
{
ParseFailReason reason = ParseFailReason.None;
oVatRate = 0;
oQuantity = 0;
oNettoPrice = 0.0d;
if (null != itemName && null != vatRate && null != nettoPrice)
{
if (0 == itemName.Length || 0 == vatRate.Length || 0 == nettoPrice.Length || 0 == quantity.Length)
{
reason = ParseFailReason.EmptyInput;
}
else
{
try
{
oVatRate = UInt32.Parse(vatRate);
oQuantity = UInt32.Parse(quantity);
oNettoPrice = double.Parse(nettoPrice);
}
catch (Exception ex)
{
reason = SetFailReason(ex);
}
}
}
else
{
reason = ParseFailReason.NullArgument;
}
return(reason);
}
internal ParseException(ParseFailReason failReason, string message) : base(message)
{
FailReason = failReason;
}
