Move the stopwatches to the eventsource stream (#14588)

Move the stopwatches to the eventsource stream

Use the /user/events eventsource to update the stopwatches
instead of polling /api/v1/user/stopwatches if the eventsource
is enabled.

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath 2021-02-19 10:05:35 +00:00 committed by GitHub
parent 430b3b7806
commit 092299891f
Signed by: GitHub
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 89 additions and 1 deletions

@ -5,13 +5,17 @@
package events
import (
"encoding/json"
"net/http"
"time"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/convert"
"code.gitea.io/gitea/modules/eventsource"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/routers/user"
)
@ -55,6 +59,8 @@ func Events(ctx *context.Context) {
timer := time.NewTicker(30 * time.Second)
stopwatchTimer := time.NewTicker(setting.UI.Notification.MinTimeout)
loop:
for {
select {
@ -75,6 +81,32 @@ loop:
case <-shutdownCtx.Done():
go unregister()
break loop
case <-stopwatchTimer.C:
sws, err := models.GetUserStopwatches(ctx.User.ID, models.ListOptions{})
if err != nil {
log.Error("Unable to GetUserStopwatches: %v", err)
continue
}
apiSWs, err := convert.ToStopWatches(sws)
if err != nil {
log.Error("Unable to APIFormat stopwatches: %v", err)
continue
}
dataBs, err := json.Marshal(apiSWs)
if err != nil {
log.Error("Unable to marshal stopwatches: %v", err)
continue
}
_, err = (&eventsource.Event{
Name: "stopwatches",
Data: string(dataBs),
}).WriteTo(ctx.Resp)
if err != nil {
log.Error("Unable to write to EventStream for user %s: %v", ctx.User.Name, err)
go unregister()
break loop
}
ctx.Resp.Flush()
case event, ok := <-messageChan:
if !ok {
break loop

@ -12,6 +12,7 @@ class Source {
this.listen('open');
this.listen('logout');
this.listen('notification-count');
this.listen('stopwatches');
this.listen('error');
}

@ -17,7 +17,58 @@ export async function initStopwatch() {
$(this).parent().trigger('submit');
});
if (!stopwatchEl || NotificationSettings.MinTimeout <= 0) {
if (!stopwatchEl) {
return;
}
if (NotificationSettings.EventSourceUpdateTime > 0 && !!window.EventSource && window.SharedWorker) {
// Try to connect to the event source via the shared worker first
const worker = new SharedWorker(`${__webpack_public_path__}js/eventsource.sharedworker.js`, 'notification-worker');
worker.addEventListener('error', (event) => {
console.error(event);
});
worker.port.onmessageerror = () => {
console.error('Unable to deserialize message');
};
worker.port.postMessage({
type: 'start',
url: `${window.location.origin}${AppSubUrl}/user/events`,
});
worker.port.addEventListener('message', (event) => {
if (!event.data || !event.data.type) {
console.error(event);
return;
}
if (event.data.type === 'stopwatches') {
updateStopwatchData(JSON.parse(event.data.data));
} else if (event.data.type === 'error') {
console.error(event.data);
} else if (event.data.type === 'logout') {
if (event.data !== 'here') {
return;
}
worker.port.postMessage({
type: 'close',
});
worker.port.close();
window.location.href = AppSubUrl;
}
});
worker.port.addEventListener('error', (e) => {
console.error(e);
});
worker.port.start();
window.addEventListener('beforeunload', () => {
worker.port.postMessage({
type: 'close',
});
worker.port.close();
});
return;
}
if (NotificationSettings.MinTimeout <= 0) {
return;
}
@ -59,6 +110,10 @@ async function updateStopwatch() {
updateTimeInterval = null;
}
return updateStopwatchData(data);
}
async function updateStopwatchData(data) {
const watch = data[0];
const btnEl = $('.active-stopwatch-trigger');
if (!watch) {