/// <summary>
/// Saves Fingerprint template to UsersToEnroll file
/// </summary>
/// <param name="temp">The fingerprint template to save</param>
/// <returns></returns>
private bool SaveFingerprint(byte[] temp)
{
// Getting the finger whose template is to be saved
if (_activeUser?.Fingers?.FirstOrDefault(a => a.Finger.IndexNumber == _activeFinger.Finger.IndexNumber) != null)
{
#region Save template to UsersToEnrol file in program memory
// Variable to hold User currently being enrolled
var user = EnrollmentOperations.GetUsersToEnrol().Users
.FirstOrDefault(x => x.User.Id == _activeUser.User.Id);
// The User's particular finger which is being enrolled
var finger = user?.Fingers.FirstOrDefault(p => p.Finger.IndexNumber == _activeFinger.Finger.IndexNumber);
if (finger != null)
{
// Assign gotten template to User's active finger
finger.Template = temp;
}
#endregion
#region Save template to UsersToEnrol file in a path in User's PC
// Convert UsersToEnrol to JSON string
var jsonString = EnrollmentOperations.GetUsersToEnrol().ConvertToJson();
// The path in user's PC to save UsersToEnrol JSON file
string path = FileInformation.GetLoggedInUserFileDirectory() + @"\UsersToEnrol.json";
string errMsg;
// Saving UsersToEnrol JSON file to the specified path
FileInformation fileInfo = new FileInformation();
if (fileInfo.WriteFile(path, jsonString, out errMsg))
{
MessageBox.Show("Fingerprint template saved succesfully!");
return(true);
}
else
{
MessageBox.Show("Failed to save fingerprint template");
return(false);
}
#endregion
}
return(false);
}
