public async Task <IActionResult> ContactAdd(ContactBook contactBook)
{
db.ContactBooks.Add(contactBook);
await db.SaveChangesAsync();
return(RedirectToAction("Index"));
}
public async Task DeleteAllContacts()
{
using (var context = new ContactBookContext())
{
context.Contacts.RemoveRange(context.Contacts);
await context.SaveChangesAsync();
}
}
public async Task <bool> RemoveContactByPhoneID(int phoneID)
{
using (var context = new ContactBookContext())
{
var phone = await context.PhoneNumbers.SingleOrDefaultAsync(f => f.PhoneNumberID == phoneID);
if (phone != null)
{
context.PhoneNumbers.Remove(phone);
await context.SaveChangesAsync();
return(true);
}
else
{
return(false);
}
}
}
public async Task <bool> RemoveContactByAddressID(int addressID)
{
using (var context = new ContactBookContext())
{
var address = await context.Addresses.SingleOrDefaultAsync(f => f.AddressID == addressID);
if (address != null)
{
context.Addresses.Remove(address);
await context.SaveChangesAsync();
return(true);
}
else
{
return(false);
}
}
}
public async Task <bool> RemoveContactByEmailID(int emailID)
{
using (var context = new ContactBookContext())
{
var email = await context.Emails.SingleOrDefaultAsync(f => f.EmailID == emailID);
if (email != null)
{
context.Emails.Remove(email);
await context.SaveChangesAsync();
return(true);
}
else
{
return(false);
}
}
}
public async Task <bool> RemoveContactById(int id)
{
using (var context = new ContactBookContext())
{
var contact = await context.Contacts.SingleOrDefaultAsync(f => f.Id == id);
if (contact != null)
{
context.Contacts.Remove(contact);
await context.SaveChangesAsync();
return(true);
}
else
{
return(false);
}
}
}