public async Task ChangeRoleAssignmentAsync(bool value, int id)
{
AppAccess model = ExpandModel;
if (value)
{
var roles = await QueryAllRolesAsync().ConfigureAwait(false);
var role = roles.SingleOrDefault(e => e.Id == id);
if (role != null)
{
model.AddManyItem(role);
await DataAccess.UpdateAsync(model).ConfigureAwait(false);
}
}
else
{
var item = model.ManyItems.SingleOrDefault(e => e.Id == id);
if (item != null)
{
model.RemoveManyItem(item);
await DataAccess.UpdateAsync(model).ConfigureAwait(false);
}
}
await LoadRolesAsync(model).ConfigureAwait(false);
}