// CAR VALIDATIONS
public string CarPlateValidation(string carPlate)
{
DatabaseRequests request = new DatabaseRequests();
string errorMessage;
if (string.IsNullOrWhiteSpace(carPlate))
{
errorMessage = "This field is required";
}
else if (!Regex.IsMatch(carPlate, @"[A-Za-z]{2}\s[0-9]{2}\s[A-Za-z]{3}"))
{
errorMessage = "Please use the correct format. E.g. AB 12 ABC";
}
else
{
errorMessage = request.GetCarIDByPlate(carPlate) == 0 ? "This Car Plate doesn't exist in the database" : "";
}
return(errorMessage);
}
// NEW CAR RENT VALIDATIONS
public Tuple <List <string>, bool> ValidateCarRent(string plate, string clientID, string startDate, string endDate, string city)
{
Reservation reservation = new Reservation();
Car car = new Car();
Customer customer = new Customer();
DatabaseRequests request = new DatabaseRequests();
List <string> errors = new List <string>();
string plateError = "";
string IDError = "";
string startDateError = "";
string endDateError = "";
string cityError = "";
string overlapDates = "";
// Plate check
plateError = CarPlateValidation(plate);
// ClientID check
IDError = ClientIDValidation(clientID);
// Start-End Date check
startDateError = DateValidation(startDate);
if (startDateError == "")
{
startDateError = CompareDateValidation(DateTime.Today, DateTime.Parse(startDate));
if (startDateError == "")
{
endDateError = DateValidation(endDate);
if (endDateError == "")
{
endDateError = CompareDateValidation(DateTime.Parse(startDate), DateTime.Parse(endDate));
if (endDateError != "")
{
endDateError += " the start date";
}
}
}
else
{
startDateError += " today";
}
}
// Date Overlap check
if (startDateError == "" && endDateError == "" && plateError == "")
{
plateError = request.CheckDateOverlap(DateTime.Parse(startDate), DateTime.Parse(endDate), request.GetCarIDByPlate(plate));
}
// City check
cityError = LocationValidation(city);
// Return true if all the data is correct/no error message
if (plateError == "" && IDError == "" && startDateError == "" && endDateError == "" && cityError == "" && overlapDates == "")
{
return(Tuple.Create(errors, true));
}
errors.Add(plateError);
errors.Add(IDError);
errors.Add(startDateError);
errors.Add(endDateError);
errors.Add(cityError);
return(Tuple.Create(errors, false));
}