public bool validateContact(EditContactView currentContactView, Contact currentContact)
{
List <TextBox> invalidElementList = new List <TextBox>();
List <TextBox> uniqueInvalidElementList = new List <TextBox>();
// Collect text boxes with invalid data in a list
invalidElementList.AddRange(IsNonEmpty(currentContactView));
invalidElementList.AddRange(IsNonInteger(currentContactView));
invalidElementList.AddRange(IsNonEmail(currentContactView));
uniqueInvalidElementList = invalidElementList.Distinct().ToList();
// If any of the textbox has invalid data, return false
// to prevent invalid contact data from being saved
if (invalidElementList.Count > 0)
{
// Make border of each invalid textbox red
foreach (TextBox invalidTextbox in uniqueInvalidElementList)
{
invalidTextbox.BorderBrush = Brushes.Red;
}
return(false);
}
else
{
return(true);
}
}
private List <TextBox> IsNonEmail(EditContactView currentContactView)
{
string emailString;
bool isEmail;
// Regex taken from msdn example : https://docs.microsoft.com/en-us/dotnet/standard/base-types/how-to-verify-that-strings-are-in-valid-email-format?redirectedfrom=MSDN
string validEmailRegExp = @"\A(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?)\Z";
List <TextBox> nonEmailTextBoxList = new List <TextBox>();
emailString = currentContactView.primaryEmail.Text;
isEmail = Regex.IsMatch(emailString, validEmailRegExp, RegexOptions.IgnoreCase);
if (!isEmail)
{
nonEmailTextBoxList.Add(currentContactView.primaryEmail);
}
emailString = currentContactView.secondaryEmail.Text;
if (emailString.Length > 0)
{
isEmail = Regex.IsMatch(emailString, validEmailRegExp, RegexOptions.IgnoreCase);
if (!isEmail)
{
nonEmailTextBoxList.Add(currentContactView.secondaryEmail);
}
}
return(nonEmailTextBoxList);
}
private List <TextBox> IsNonInteger(EditContactView currentContactView)
{
List <TextBox> nonIntTextBoxList = new List <TextBox>();
int result;
bool isInt = int.TryParse(currentContactView.zip.Text, out result);
if (!isInt)
{
nonIntTextBoxList.Add(currentContactView.zip);
}
return(nonIntTextBoxList);
}
private List <TextBox> IsNonEmpty(EditContactView currentContactView)
{
List <TextBox> emptyTextBoxList = new List <TextBox>();
if (currentContactView.firstName.Text.Length == 0)
{
emptyTextBoxList.Add(currentContactView.firstName);
}
if (currentContactView.lastName.Text.Length == 0)
{
emptyTextBoxList.Add(currentContactView.lastName);
}
if (currentContactView.line1.Text.Length == 0)
{
emptyTextBoxList.Add(currentContactView.line1);
}
if (currentContactView.line2.Text.Length == 0)
{
emptyTextBoxList.Add(currentContactView.line2);
}
if (currentContactView.organization.Text.Length == 0)
{
emptyTextBoxList.Add(currentContactView.organization);
}
if (currentContactView.jobTitle.Text.Length == 0)
{
emptyTextBoxList.Add(currentContactView.jobTitle);
}
if (currentContactView.city.Text.Length == 0)
{
emptyTextBoxList.Add(currentContactView.city);
}
if (currentContactView.zip.Text.Length == 0)
{
emptyTextBoxList.Add(currentContactView.zip);
}
if (currentContactView.country.Text.Length == 0)
{
emptyTextBoxList.Add(currentContactView.country);
}
if (currentContactView.office.Text.Length == 0)
{
emptyTextBoxList.Add(currentContactView.office);
}
if (currentContactView.cell.Text.Length == 0)
{
emptyTextBoxList.Add(currentContactView.cell);
}
if (currentContactView.home.Text.Length == 0)
{
emptyTextBoxList.Add(currentContactView.home);
}
if (currentContactView.primaryEmail.Text.Length == 0)
{
emptyTextBoxList.Add(currentContactView.primaryEmail);
}
return(emptyTextBoxList);
}
