public void Delete(Contact contactToDelete)
{
var originalContact = Get(contactToDelete.Id);
_entities.DeleteObject(originalContact);
_entities.SaveChanges();
}
public Contact Create(Contact contactToCreate)
{
_entities.AddToContactSet(contactToCreate);
_entities.SaveChanges();
return contactToCreate;
}
public ContactViewModel(Contact contact)
{
//creating the elements for contact status and contact priority drop down lists
var statuses = Enum.GetNames(typeof(ContactStatus));
Contact = contact;
Statuses = new SelectList(statuses, Contact.Status);
}
public Contact Update(Contact contactToUpdate)
{
var originalContact = Get(contactToUpdate.Id);
_entities.ApplyCurrentValues(originalContact.EntityKey.EntitySetName, contactToUpdate);
_entities.SaveChanges();
return contactToUpdate;
}
public bool EditContact(Contact contactToEdit)
{
// Validation logic
if (!ValidateContact(contactToEdit))
return false;
// Database logic
try
{
_repository.Update(contactToEdit);
}
catch
{
return false;
}
return true;
}
public bool CreateContact(Contact contactToCreate)
{
// Validation logic
if (!ValidateContact(contactToCreate))
return false;
// Database logic
try
{
_repository.Create(contactToCreate);
}
catch
{
return false;
}
return true;
}
public bool ValidateContact(Contact contactToValidate)
{
//convert null values to empty strings
contactToValidate.FirstName = contactToValidate.FirstName ?? "";
contactToValidate.LastName = contactToValidate.LastName ?? "";
contactToValidate.Address = contactToValidate.Address ?? "";
contactToValidate.Email = contactToValidate.Email ?? "";
if (contactToValidate.FirstName.Trim().Length == 0)
_validationDictionary.AddError("Contact.FirstName", "First name is required.");
if (contactToValidate.LastName.Trim().Length == 0)
_validationDictionary.AddError("Contact.LastName", "Last name is required.");
if (contactToValidate.Address.Trim().Length == 0)
_validationDictionary.AddError("Contact.Address", "Address is required.");
if (contactToValidate.Email.Length > 0 && !Regex.IsMatch(contactToValidate.Email, @"^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$"))
_validationDictionary.AddError("Contact.Email", "Invalid email address.");
return _validationDictionary.IsValid;
}
public ActionResult Delete(Contact contact)
{
if (!_contactService.DeleteContact(contact))
return View(contact);
return RedirectToAction("Index");
}
/// <summary>
/// Create a new Contact object.
/// </summary>
/// <param name="id">Initial value of the Id property.</param>
/// <param name="lastName">Initial value of the LastName property.</param>
/// <param name="firstName">Initial value of the FirstName property.</param>
/// <param name="address">Initial value of the Address property.</param>
/// <param name="status">Initial value of the Status property.</param>
/// <param name="email">Initial value of the Email property.</param>
public static Contact CreateContact(global::System.Int32 id, global::System.String lastName, global::System.String firstName, global::System.String address, global::System.String status, global::System.String email)
{
Contact contact = new Contact();
contact.Id = id;
contact.LastName = lastName;
contact.FirstName = firstName;
contact.Address = address;
contact.Status = status;
contact.Email = email;
return contact;
}
/// <summary>
/// Deprecated Method for adding a new object to the ContactSet EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToContactSet(Contact contact)
{
base.AddObject("ContactSet", contact);
}
public bool DeleteContact(Contact contactToDelete)
{
try
{
_repository.Delete(contactToDelete);
}
catch
{
return false;
}
return true;
}
