// NetworkDelete deletes network
func (ac *APIController) NetworkDelete(network *contivModel.Network) error {
	log.Infof("Received NetworkDelete: %+v", network)

	// Find the tenant
	tenant := contivModel.FindTenant(network.TenantName)
	if tenant == nil {
		return core.Errorf("Tenant not found")
	}

	// Remove link
	modeldb.RemoveLinkSet(&tenant.LinkSets.Networks, network)

	// Save the tenant too since we removed the links
	err := tenant.Write()
	if err != nil {
		return err
	}

	// Get the state driver
	stateDriver, err := utils.GetStateDriver()
	if err != nil {
		return err
	}

	// Delete the network
	networkID := network.NetworkName + "." + network.TenantName
	err = master.DeleteNetworkID(stateDriver, networkID)
	if err != nil {
		log.Errorf("Error deleting network %s. Err: %v", network.NetworkName, err)
	}

	return nil
}
// NetworkDelete deletes network
func (ac *APIController) NetworkDelete(network *contivModel.Network) error {
	log.Infof("Received NetworkDelete: %+v", network)

	// Find the tenant
	tenant := contivModel.FindTenant(network.TenantName)
	if tenant == nil {
		return core.Errorf("Tenant not found")
	}

	// if the network has associated epgs, fail the delete
	epgCount := len(network.LinkSets.EndpointGroups)
	if epgCount != 0 {
		return core.Errorf("cannot delete %s has %d endpoint groups",
			network.NetworkName, epgCount)
	}

	// Remove link
	modeldb.RemoveLinkSet(&tenant.LinkSets.Networks, network)

	// Save the tenant too since we removed the links
	err := tenant.Write()
	if err != nil {
		return err
	}

	// Get the state driver
	stateDriver, err := utils.GetStateDriver()
	if err != nil {
		return err
	}

	// Delete the network
	networkID := network.NetworkName + "." + network.TenantName
	err = master.DeleteNetworkID(stateDriver, networkID)
	if err != nil {
		log.Errorf("Error deleting network %s. Err: %v", network.NetworkName, err)
		return err
	}

	return nil
}