public IAuthorizationGrant IssueAuthorizationGrant(IAuthorizationContext context)
{
AuthorizationGrant grant = new AuthorizationGrant();
Client client = ClientRepo.FindClient(context.Client.ClientId);
grant.Client = client;
grant.ResourceOwnerId = context.ResourceOwnerUsername;
//grant.IsApproved = false;
//grant.ExpiresIn = 120; // 2 minutes
grant.Code = Guid.NewGuid().ToString();
grant.IssuedOn = SharpOAuth2.Provider.Utility.Epoch.ToEpoch(DateTime.Now);
grant.Scope = string.Join(" ", context.Scope);
TokenRepo.AddAuthorizationGrant(grant);
return(grant);
}