forked from Silverfish/proton-bridge
64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
// Copyright (c) 2024 Proton AG
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//
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// This file is part of Proton Mail Bridge.
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//
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// Proton Mail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Proton Mail Bridge is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package events
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import (
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"context"
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"fmt"
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"github.com/ProtonMail/gluon/async"
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"github.com/ProtonMail/gluon/watcher"
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)
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type Event interface {
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fmt.Stringer
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_isEvent()
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}
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type eventBase struct{}
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func (eventBase) _isEvent() {}
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type EventPublisher interface {
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PublishEvent(ctx context.Context, event Event)
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}
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type NullEventPublisher struct{}
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func (NullEventPublisher) PublishEvent(_ context.Context, _ Event) {}
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type Subscription interface {
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Add(ofType ...Event) *watcher.Watcher[Event]
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Remove(watcher *watcher.Watcher[Event])
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}
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type NullSubscription struct{}
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func (n NullSubscription) Add(ofType ...Event) *watcher.Watcher[Event] {
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return watcher.New[Event](&async.NoopPanicHandler{}, ofType...)
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}
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func (n NullSubscription) Remove(watcher *watcher.Watcher[Event]) {
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watcher.Close()
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}
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func NewNullSubscription() *NullSubscription {
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return &NullSubscription{}
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}
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