public void DeleteUser(Guid userId)
{
using var dbContext = _dbProvider.CreateContext();
var user = dbContext.Users
.Include(u => u.Permissions)
.Include(u => u.Preferences)
.Include(u => u.AccessSchedules)
.Include(u => u.ProfileImage)
.FirstOrDefault(u => u.Id == userId);
if (user == null)
{
throw new ResourceNotFoundException(nameof(userId));
}
if (dbContext.Users.Find(user.Id) == null)
{
throw new ArgumentException(string.Format(
CultureInfo.InvariantCulture,
"The user cannot be deleted because there is no user with the Name {0} and Id {1}.",
user.Username,
user.Id));
}
if (dbContext.Users.Count() == 1)
{
throw new InvalidOperationException(string.Format(
CultureInfo.InvariantCulture,
"The user '{0}' cannot be deleted because there must be at least one user in the system.",
user.Username));
}
if (user.HasPermission(PermissionKind.IsAdministrator) &&
Users.Count(i => i.HasPermission(PermissionKind.IsAdministrator)) == 1)
{
throw new ArgumentException(
string.Format(
CultureInfo.InvariantCulture,
"The user '{0}' cannot be deleted because there must be at least one admin user in the system.",
user.Username),
nameof(userId));
}
// Clear all entities related to the user from the database.
if (user.ProfileImage != null)
{
dbContext.Remove(user.ProfileImage);
}
dbContext.RemoveRange(user.Permissions);
dbContext.RemoveRange(user.Preferences);
dbContext.RemoveRange(user.AccessSchedules);
dbContext.Users.Remove(user);
dbContext.SaveChanges();
OnUserDeleted?.Invoke(this, new GenericEventArgs <User>(user));
}
public bool Deregister(SocketUser user)
{
if (!registry.Remove(user.Id))
{
return(false);
}
OnUserDeleted?.Invoke(this, new UserId(user));
return(true);
}
public void DeleteUser(User user)
{
if (user == null)
{
throw new ArgumentNullException(nameof(user));
}
var dbContext = _dbProvider.CreateContext();
if (dbContext.Users.Find(user.Id) == null)
{
throw new ArgumentException(string.Format(
CultureInfo.InvariantCulture,
"The user cannot be deleted because there is no user with the Name {0} and Id {1}.",
user.Username,
user.Id));
}
if (dbContext.Users.Count() == 1)
{
throw new InvalidOperationException(string.Format(
CultureInfo.InvariantCulture,
"The user '{0}' cannot be deleted because there must be at least one user in the system.",
user.Username));
}
if (user.HasPermission(PermissionKind.IsAdministrator) &&
Users.Count(i => i.HasPermission(PermissionKind.IsAdministrator)) == 1)
{
throw new ArgumentException(
string.Format(
CultureInfo.InvariantCulture,
"The user '{0}' cannot be deleted because there must be at least one admin user in the system.",
user.Username),
nameof(user));
}
dbContext.Users.Remove(user);
dbContext.SaveChanges();
OnUserDeleted?.Invoke(this, new GenericEventArgs <User>(user));
}
