77 lines
2.6 KiB
Go
77 lines
2.6 KiB
Go
package websocket
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import (
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"context"
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"github.com/kandev/kandev/internal/common/logger"
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"github.com/kandev/kandev/internal/events"
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"github.com/kandev/kandev/internal/events/bus"
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ws "github.com/kandev/kandev/pkg/websocket"
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"go.uber.org/zap"
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)
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type TaskEventBroadcaster struct {
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hub *Hub
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subscriptions []bus.Subscription
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logger *logger.Logger
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}
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func RegisterTaskNotifications(ctx context.Context, eventBus bus.EventBus, hub *Hub, log *logger.Logger) *TaskEventBroadcaster {
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b := &TaskEventBroadcaster{
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hub: hub,
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logger: log.WithFields(zap.String("component", "ws-task-broadcaster")),
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}
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if eventBus == nil {
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return b
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}
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b.subscribe(eventBus, events.WorkspaceCreated, ws.ActionWorkspaceCreated)
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b.subscribe(eventBus, events.WorkspaceUpdated, ws.ActionWorkspaceUpdated)
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b.subscribe(eventBus, events.WorkspaceDeleted, ws.ActionWorkspaceDeleted)
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b.subscribe(eventBus, events.BoardCreated, ws.ActionBoardCreated)
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b.subscribe(eventBus, events.BoardUpdated, ws.ActionBoardUpdated)
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b.subscribe(eventBus, events.BoardDeleted, ws.ActionBoardDeleted)
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b.subscribe(eventBus, events.ColumnCreated, ws.ActionColumnCreated)
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b.subscribe(eventBus, events.ColumnUpdated, ws.ActionColumnUpdated)
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b.subscribe(eventBus, events.ColumnDeleted, ws.ActionColumnDeleted)
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b.subscribe(eventBus, events.RepositoryCreated, ws.ActionRepositoryCreated)
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b.subscribe(eventBus, events.RepositoryUpdated, ws.ActionRepositoryUpdated)
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b.subscribe(eventBus, events.RepositoryDeleted, ws.ActionRepositoryDeleted)
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b.subscribe(eventBus, events.RepositoryScriptCreated, ws.ActionRepositoryScriptCreated)
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b.subscribe(eventBus, events.RepositoryScriptUpdated, ws.ActionRepositoryScriptUpdated)
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b.subscribe(eventBus, events.RepositoryScriptDeleted, ws.ActionRepositoryScriptDeleted)
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go func() {
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<-ctx.Done()
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b.Close()
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}()
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return b
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}
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func (b *TaskEventBroadcaster) Close() {
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for _, sub := range b.subscriptions {
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if sub != nil && sub.IsValid() {
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_ = sub.Unsubscribe()
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}
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}
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b.subscriptions = nil
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}
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func (b *TaskEventBroadcaster) subscribe(eventBus bus.EventBus, subject, action string) {
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sub, err := eventBus.Subscribe(subject, func(ctx context.Context, event *bus.Event) error {
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msg, err := ws.NewNotification(action, event.Data)
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if err != nil {
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b.logger.Error("failed to build websocket notification", zap.String("action", action), zap.Error(err))
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return nil
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}
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b.hub.Broadcast(msg)
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return nil
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})
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if err != nil {
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b.logger.Error("failed to subscribe to events", zap.String("subject", subject), zap.Error(err))
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return
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}
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b.subscriptions = append(b.subscriptions, sub)
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}
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