public override void AddUsersToRoles(string[] usernames, string[] roleNames)
{
using (DataContext Context = new DataContext())
{
List<User> Users = Context.Users.Where(Usr => usernames.Contains(Usr.Username)).ToList();
List<Role> Roles = Context.Roles.Where(Rl => roleNames.Contains(Rl.RoleName)).ToList();
foreach (User user in Users)
{
foreach (Role role in Roles)
{
if (!user.Roles.Contains(role))
{
user.Roles.Add(role);
}
}
}
Context.SaveChanges();
}
}
public override void CreateRole(string roleName)
{
if (!string.IsNullOrEmpty(roleName))
{
using (DataContext Context = new DataContext())
{
Role Role = null;
Role = Context.Roles.FirstOrDefault(Rl => Rl.RoleName == roleName);
if (Role == null)
{
Role NewRole = new Role
{
RoleId = Guid.NewGuid(),
RoleName = roleName
};
Context.Roles.Add(NewRole);
Context.SaveChanges();
}
}
}
}
public override bool DeleteRole(string roleName, bool throwOnPopulatedRole)
{
if (string.IsNullOrEmpty(roleName))
{
return false;
}
using (DataContext Context = new DataContext())
{
Role Role = null;
Role = Context.Roles.FirstOrDefault(Rl => Rl.RoleName == roleName);
if (Role == null)
{
return false;
}
if (throwOnPopulatedRole)
{
if (Role.Users.Any())
{
return false;
}
}
else
{
Role.Users.Clear();
}
Context.Roles.Remove(Role);
Context.SaveChanges();
return true;
}
}
public override void RemoveUsersFromRoles(string[] usernames, string[] roleNames)
{
using (DataContext Context = new DataContext())
{
foreach (String username in usernames)
{
String us = username;
User user = Context.Users.FirstOrDefault(U => U.Username == us);
if (user != null)
{
foreach (String roleName in roleNames)
{
String rl = roleName;
Role role = user.Roles.FirstOrDefault(R => R.RoleName == rl);
if (role != null)
{
user.Roles.Remove(role);
}
}
}
}
Context.SaveChanges();
}
}
