public IdentityResult RemoveFromRoles(ApplicationUser user, string[] roleNames)
{
var uid = Convert.ToInt32(user.Id);
foreach (var rName in roleNames)
{
var role = _context.AppRoles.Where(r => r.RoleName == rName).FirstOrDefault();
if (role != null)
{
UsersInRolesModel usersInRoles = _context.UsersInRoles.Find(uid, role.RoleId);
_context.UsersInRoles.Remove(usersInRoles);
}
}
try
{
_context.SaveChanges();
return(IdentityResult.Success);
}
catch (Exception e)
{
IdentityError[] errors = new IdentityError[1];
errors[0].Code = "500";
errors[0].Description = e.Message;
return(IdentityResult.Failed());
}
}
public IdentityResult AddToRole(ApplicationUser user, string roleName)
{
var uid = Convert.ToInt32(user.Id);
var role = _context.AppRoles.Where(r => r.RoleName == roleName).FirstOrDefault();
if (role != null)
{
UsersInRolesModel usersInRoles = new UsersInRolesModel();
usersInRoles.UserId = uid;
usersInRoles.UserName = user.UserName;
usersInRoles.RoleId = role.RoleId;
try
{
_context.UsersInRoles.Add(usersInRoles);
_context.SaveChanges();
return(IdentityResult.Success);
}
catch (Exception e)
{
IdentityError[] errors = new IdentityError[1];
errors[0].Code = "500";
errors[0].Description = e.Message;
return(IdentityResult.Failed());
}
}
else
{
IdentityError[] errors = new IdentityError[1];
errors[0].Code = "500";
errors[0].Description = "無此腳色";
return(IdentityResult.Failed());
}
}
public void AddUserToRole(string username, string roleName)
{
var user = _context.AppUsers.Where(u => u.UserName == username).FirstOrDefault();
if (user != null)
{
var role = _context.AppRoles.Where(r => r.RoleName == roleName).FirstOrDefault();
if (role != null)
{
UsersInRolesModel usersInRolesModel = new UsersInRolesModel();
usersInRolesModel.UserId = user.Id;
usersInRolesModel.UserName = user.UserName;
usersInRolesModel.RoleId = role.RoleId;
_context.UsersInRoles.Add(usersInRolesModel);
_context.SaveChanges();
}
}
}