/
stage_apply.go
87 lines (73 loc) · 2.2 KB
/
stage_apply.go
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// Copyright (c) 2024 Proton AG
//
// This file is part of Proton Mail Bridge.
//
// Proton Mail Bridge is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Proton Mail Bridge is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
package syncservice
import (
"context"
"errors"
"github.com/ProtonMail/gluon/async"
"github.com/ProtonMail/gluon/logging"
"github.com/sirupsen/logrus"
)
type ApplyRequest struct {
childJob
messages []BuildResult
}
type ApplyStageInput = StageInputConsumer[ApplyRequest]
// ApplyStage applies the sync updates and waits for their completion before proceeding with the next batch. This is
// the final stage in the sync pipeline.
type ApplyStage struct {
input ApplyStageInput
log *logrus.Entry
}
func NewApplyStage(input ApplyStageInput) *ApplyStage {
return &ApplyStage{input: input, log: logrus.WithField("sync-stage", "apply")}
}
func (a *ApplyStage) Run(group *async.Group) {
group.Once(func(ctx context.Context) {
logging.DoAnnotated(
ctx,
func(ctx context.Context) {
a.run(ctx)
},
logging.Labels{"sync-stage": "apply"},
)
})
}
func (a *ApplyStage) run(ctx context.Context) {
for {
req, err := a.input.Consume(ctx)
if err != nil {
if !(errors.Is(err, ErrNoMoreInput) || errors.Is(err, context.Canceled)) {
a.log.WithError(err).Error("Exiting state with error")
}
return
}
if req.checkCancelled() {
continue
}
if len(req.messages) == 0 {
req.onFinished(req.getContext())
continue
}
if err := req.job.updateApplier.ApplySyncUpdates(req.getContext(), req.messages); err != nil {
a.log.WithError(err).Error("Failed to apply sync updates")
req.job.onError(err)
continue
}
req.onFinished(req.getContext())
}
}