78 lines
2.4 KiB
Go
78 lines
2.4 KiB
Go
package util
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import (
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"context"
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"strings"
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"time"
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"github.com/matrix-org/dendrite/internal/pushgateway"
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"github.com/matrix-org/dendrite/userapi/storage"
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"github.com/matrix-org/dendrite/userapi/storage/tables"
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"github.com/matrix-org/gomatrixserverlib"
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log "github.com/sirupsen/logrus"
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)
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// NotifyUserCountsAsync sends notifications to a local user's
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// notification destinations. Database lookups run synchronously, but
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// a single goroutine is started when talking to the Push
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// gateways. There is no way to know when the background goroutine has
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// finished.
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func NotifyUserCountsAsync(ctx context.Context, pgClient pushgateway.Client, localpart string, serverName gomatrixserverlib.ServerName, db storage.Database) error {
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pusherDevices, err := GetPushDevices(ctx, localpart, serverName, nil, db)
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if err != nil {
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return err
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}
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if len(pusherDevices) == 0 {
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return nil
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}
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userNumUnreadNotifs, err := db.GetNotificationCount(ctx, localpart, serverName, tables.AllNotifications)
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if err != nil {
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return err
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}
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log.WithFields(log.Fields{
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"localpart": localpart,
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"app_id0": pusherDevices[0].Device.AppID,
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"pushkey": pusherDevices[0].Device.PushKey,
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}).Tracef("Notifying HTTP push gateway about notification counts")
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// TODO: think about bounding this to one per user, and what
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// ordering guarantees we must provide.
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go func() {
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// This background processing cannot be tied to a request.
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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// TODO: we could batch all devices with the same URL, but
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// Sytest requires consumers/roomserver.go to do it
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// one-by-one, so we do the same here.
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for _, pusherDevice := range pusherDevices {
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// TODO: support "email".
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if !strings.HasPrefix(pusherDevice.URL, "http") {
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continue
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}
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req := pushgateway.NotifyRequest{
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Notification: pushgateway.Notification{
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Counts: &pushgateway.Counts{
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Unread: int(userNumUnreadNotifs),
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},
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Devices: []*pushgateway.Device{&pusherDevice.Device},
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},
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}
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if err := pgClient.Notify(ctx, pusherDevice.URL, &req, &pushgateway.NotifyResponse{}); err != nil {
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log.WithFields(log.Fields{
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"localpart": localpart,
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"app_id0": pusherDevice.Device.AppID,
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"pushkey": pusherDevice.Device.PushKey,
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}).WithError(err).Error("HTTP push gateway request failed")
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return
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}
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}
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}()
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return nil
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}
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