vikunja-api/pkg/events/listeners.go
konrad 0ab9ce9ec4 Add events (#777)
Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/777
Co-authored-by: konrad <konrad@kola-entertainments.de>
Co-committed-by: konrad <konrad@kola-entertainments.de>
2021-02-02 22:48:37 +00:00

36 lines
1.3 KiB
Go

// Vikunja is a to-do list application to facilitate your life.
// Copyright 2018-2021 Vikunja and contributors. All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public Licensee as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public Licensee for more details.
//
// You should have received a copy of the GNU Affero General Public Licensee
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package events
import "github.com/ThreeDotsLabs/watermill/message"
// Listener represents something that listens to events
type Listener interface {
Handle(payload message.Payload) error
Name() string
}
var listeners map[string][]Listener
func init() {
listeners = make(map[string][]Listener)
}
// RegisterListener is used to register a listener when a specific event happens
func RegisterListener(name string, listener Listener) {
listeners[name] = append(listeners[name], listener)
}