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e46dbec294
* Move EventSource to SharedWorker (#12095) Backport #12095 Move EventSource to use a SharedWorker. This prevents issues with HTTP/1.1 open browser connections from preventing gitea from opening multiple tabs. Also allow setting EVENT_SOURCE_UPDATE_TIME to disable EventSource updating Fix #11978 Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: techknowlogick <techknowlogick@gitea.io> * Bugfix for shared event source For some reason our eslint configuration is not working correctly and a bug has become apparent when trying to backport this to 1.12. Signed-off-by: Andrew Thornton <art27@cantab.net> * Re-fix #12095 again Unfortunately some of the suggested changes to #12095 introduced bugs which due to caching behaviour of sharedworkers were not caught on simple tests. These are as follows: * Changing from simple for loop to use includes here: ```js register(port) { if (!this.clients.includes(port)) return; this.clients.push(port); port.postMessage({ type: 'status', message: `registered to ${this.url}`, }); } ``` The additional `!` prevents any clients from being added and should read: ```js if (this.clients.includes(port)) return; ``` * Dropping the use of jQuery `$(...)` selection and using DOM `querySelector` here: ```js async function receiveUpdateCount(event) { try { const data = JSON.parse(event.data); const notificationCount = document.querySelector('.notification_count'); if (data.Count > 0) { notificationCount.classList.remove('hidden'); } else { notificationCount.classList.add('hidden'); } notificationCount.text() = `${data.Count}`; await updateNotificationTable(); } catch (error) { console.error(error, event); } } ``` Requires that `notificationCount.text()` be changed to use `textContent` instead. Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package eventsource
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import (
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"context"
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"time"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/graceful"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/timeutil"
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)
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// Init starts this eventsource
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func (m *Manager) Init() {
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if setting.UI.Notification.EventSourceUpdateTime <= 0 {
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return
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}
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go graceful.GetManager().RunWithShutdownContext(m.Run)
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}
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// Run runs the manager within a provided context
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func (m *Manager) Run(ctx context.Context) {
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then := timeutil.TimeStampNow().Add(-2)
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timer := time.NewTicker(setting.UI.Notification.EventSourceUpdateTime)
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loop:
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for {
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select {
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case <-ctx.Done():
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timer.Stop()
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break loop
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case <-timer.C:
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now := timeutil.TimeStampNow().Add(-2)
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uidCounts, err := models.GetUIDsAndNotificationCounts(then, now)
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if err != nil {
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log.Error("Unable to get UIDcounts: %v", err)
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}
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for _, uidCount := range uidCounts {
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m.SendMessage(uidCount.UserID, &Event{
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Name: "notification-count",
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Data: uidCount,
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})
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}
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then = now
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}
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}
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m.UnregisterAll()
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}
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