/// <summary>
/// Adds <see cref="Permission"/> to the <see cref="credential"/> with
/// the specified <see cref="Privilege"/>.
/// </summary>
/// <param name="credential"></param>
/// <param name="privilege"></param>
/// <see cref="CredentialBase.AddRole(Feature,Privilege?)"/>
protected internal virtual void AddRole(CredentialBase credential, Privilege?privilege = null)
{
privilege = privilege ?? Inherited;
//Will assume that the Credential Roles already contains him.
var p = Permissions.SingleOrDefault(r => r.Feature.Equals(this) && r.Credential.Equals(credential));
if (p != null)
{
//Touch the privilege on the way out.
p.Privilege = privilege;
return;
}
InternalPermissions.Add(new Permission
{
Credential = credential,
Privilege = privilege
});
}
/// <summary>
/// Removes the role associated with this Feature and the
/// <see cref="CredentialBase"/> if it exists.
/// </summary>
/// <param name="credential"></param>
/// <returns></returns>
public virtual bool RemoveRole(CredentialBase credential)
{
var p = Permissions.SingleOrDefault(r => r.Feature.Equals(this) && r.Credential.Equals(credential));
return(p != null && InternalPermissions.Remove(p));
}
