private async Task UpdateRolesAsync(string userId, string[] roles, PasswordBoxUserManager manager = null)
{
if (manager == null)
{
manager = PasswordBoxUserManager.Create();
}
var user = await manager.FindByIdAsync(userId);
if (user == null)
{
throw new ArgumentNullException(nameof(user));
}
var userRoles = await manager.GetRolesAsync(user);
if (userRoles != null && userRoles.Count > 0)
{
await manager.RemoveFromRolesAsync(user, userRoles);
}
if (roles != null)
{
await manager.AddToRolesAsync(user, roles);
}
}
private async Task <IdentityResult> RemoveUserRoles(User entity, PasswordBoxUserManager manager)
{
var userRoles = await manager.GetRolesAsync(entity);
var result = await manager.RemoveFromRolesAsync(entity, userRoles);
return(result);
}
public async Task <List <string> > GetRolesByUserIdAsync(string id)
{
if (String.IsNullOrWhiteSpace(id))
{
return(new List <string>());
}
List <string> result = new List <string>();
using (PasswordBoxUserManager manager = PasswordBoxUserManager.Create())
{
var user = await manager.FindByIdAsync(id);
if (user != null)
{
var roles = await manager.GetRolesAsync(user);
result = roles.ToList();
}
}
return(result);
}
