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jobs.go
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jobs.go
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package jobs
import (
"context"
"errors"
"net/http"
"time"
"github.com/adacta-ru/mattermost-server/v6/mlog"
"github.com/adacta-ru/mattermost-server/v6/model"
"github.com/adacta-ru/mattermost-server/v6/store"
)
const (
CANCEL_WATCHER_POLLING_INTERVAL = 5000
)
func (srv *JobServer) CreateJob(jobType string, jobData map[string]string) (*model.Job, *model.AppError) {
job := model.Job{
Id: model.NewId(),
Type: jobType,
CreateAt: model.GetMillis(),
Status: model.JOB_STATUS_PENDING,
Data: jobData,
}
if err := job.IsValid(); err != nil {
return nil, err
}
if _, err := srv.Store.Job().Save(&job); err != nil {
return nil, model.NewAppError("CreateJob", "app.job.save.app_error", nil, err.Error(), http.StatusInternalServerError)
}
return &job, nil
}
func (srv *JobServer) GetJob(id string) (*model.Job, *model.AppError) {
job, err := srv.Store.Job().Get(id)
if err != nil {
var nfErr *store.ErrNotFound
switch {
case errors.As(err, &nfErr):
return nil, model.NewAppError("GetJob", "app.job.get.app_error", nil, nfErr.Error(), http.StatusNotFound)
default:
return nil, model.NewAppError("GetJob", "app.job.get.app_error", nil, err.Error(), http.StatusInternalServerError)
}
}
return job, nil
}
func (srv *JobServer) ClaimJob(job *model.Job) (bool, *model.AppError) {
updated, err := srv.Store.Job().UpdateStatusOptimistically(job.Id, model.JOB_STATUS_PENDING, model.JOB_STATUS_IN_PROGRESS)
if err != nil {
return false, model.NewAppError("ClaimJob", "app.job.update.app_error", nil, err.Error(), http.StatusInternalServerError)
}
return updated, nil
}
func (srv *JobServer) SetJobProgress(job *model.Job, progress int64) *model.AppError {
job.Status = model.JOB_STATUS_IN_PROGRESS
job.Progress = progress
if _, err := srv.Store.Job().UpdateOptimistically(job, model.JOB_STATUS_IN_PROGRESS); err != nil {
return model.NewAppError("SetJobProgress", "app.job.update.app_error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (srv *JobServer) SetJobWarning(job *model.Job) *model.AppError {
if _, err := srv.Store.Job().UpdateStatus(job.Id, model.JOB_STATUS_WARNING); err != nil {
return model.NewAppError("SetJobWarning", "app.job.update.app_error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (srv *JobServer) SetJobSuccess(job *model.Job) *model.AppError {
if _, err := srv.Store.Job().UpdateStatus(job.Id, model.JOB_STATUS_SUCCESS); err != nil {
return model.NewAppError("SetJobSuccess", "app.job.update.app_error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (srv *JobServer) SetJobError(job *model.Job, jobError *model.AppError) *model.AppError {
if jobError == nil {
_, err := srv.Store.Job().UpdateStatus(job.Id, model.JOB_STATUS_ERROR)
if err != nil {
return model.NewAppError("SetJobError", "app.job.update.app_error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
job.Status = model.JOB_STATUS_ERROR
job.Progress = -1
if job.Data == nil {
job.Data = make(map[string]string)
}
job.Data["error"] = jobError.Message
if len(jobError.DetailedError) > 0 {
job.Data["error"] += " — " + jobError.DetailedError
}
updated, err := srv.Store.Job().UpdateOptimistically(job, model.JOB_STATUS_IN_PROGRESS)
if err != nil {
return model.NewAppError("SetJobError", "app.job.update.app_error", nil, err.Error(), http.StatusInternalServerError)
}
if !updated {
updated, err = srv.Store.Job().UpdateOptimistically(job, model.JOB_STATUS_CANCEL_REQUESTED)
if err != nil {
return model.NewAppError("SetJobError", "app.job.update.app_error", nil, err.Error(), http.StatusInternalServerError)
}
if !updated {
return model.NewAppError("SetJobError", "jobs.set_job_error.update.error", nil, "id="+job.Id, http.StatusInternalServerError)
}
}
return nil
}
func (srv *JobServer) SetJobCanceled(job *model.Job) *model.AppError {
if _, err := srv.Store.Job().UpdateStatus(job.Id, model.JOB_STATUS_CANCELED); err != nil {
return model.NewAppError("SetJobCanceled", "app.job.update.app_error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (srv *JobServer) UpdateInProgressJobData(job *model.Job) *model.AppError {
job.Status = model.JOB_STATUS_IN_PROGRESS
job.LastActivityAt = model.GetMillis()
if _, err := srv.Store.Job().UpdateOptimistically(job, model.JOB_STATUS_IN_PROGRESS); err != nil {
return model.NewAppError("UpdateInProgressJobData", "app.job.update.app_error", nil, err.Error(), http.StatusInternalServerError)
}
return nil
}
func (srv *JobServer) RequestCancellation(jobId string) *model.AppError {
updated, err := srv.Store.Job().UpdateStatusOptimistically(jobId, model.JOB_STATUS_PENDING, model.JOB_STATUS_CANCELED)
if err != nil {
return model.NewAppError("RequestCancellation", "app.job.update.app_error", nil, err.Error(), http.StatusInternalServerError)
}
if updated {
return nil
}
updated, err = srv.Store.Job().UpdateStatusOptimistically(jobId, model.JOB_STATUS_IN_PROGRESS, model.JOB_STATUS_CANCEL_REQUESTED)
if err != nil {
return model.NewAppError("RequestCancellation", "app.job.update.app_error", nil, err.Error(), http.StatusInternalServerError)
}
if updated {
return nil
}
return model.NewAppError("RequestCancellation", "jobs.request_cancellation.status.error", nil, "id="+jobId, http.StatusInternalServerError)
}
func (srv *JobServer) CancellationWatcher(ctx context.Context, jobId string, cancelChan chan interface{}) {
for {
select {
case <-ctx.Done():
mlog.Debug("CancellationWatcher for Job Aborting as job has finished.", mlog.String("job_id", jobId))
return
case <-time.After(CANCEL_WATCHER_POLLING_INTERVAL * time.Millisecond):
mlog.Debug("CancellationWatcher for Job started polling.", mlog.String("job_id", jobId))
if jobStatus, err := srv.Store.Job().Get(jobId); err == nil {
if jobStatus.Status == model.JOB_STATUS_CANCEL_REQUESTED {
close(cancelChan)
return
}
}
}
}
}
func GenerateNextStartDateTime(now time.Time, nextStartTime time.Time) *time.Time {
nextTime := time.Date(now.Year(), now.Month(), now.Day(), nextStartTime.Hour(), nextStartTime.Minute(), 0, 0, time.Local)
if !now.Before(nextTime) {
nextTime = nextTime.AddDate(0, 0, 1)
}
return &nextTime
}
func (srv *JobServer) CheckForPendingJobsByType(jobType string) (bool, *model.AppError) {
count, err := srv.Store.Job().GetCountByStatusAndType(model.JOB_STATUS_PENDING, jobType)
if err != nil {
return false, model.NewAppError("CheckForPendingJobsByType", "app.job.get_count_by_status_and_type.app_error", nil, err.Error(), http.StatusInternalServerError)
}
return count > 0, nil
}
func (srv *JobServer) GetLastSuccessfulJobByType(jobType string) (*model.Job, *model.AppError) {
statuses := []string{model.JOB_STATUS_SUCCESS}
if jobType == model.JOB_TYPE_MESSAGE_EXPORT {
statuses = []string{model.JOB_STATUS_WARNING, model.JOB_STATUS_SUCCESS}
}
job, err := srv.Store.Job().GetNewestJobByStatusesAndType(statuses, jobType)
var nfErr *store.ErrNotFound
if err != nil && !errors.As(err, &nfErr) {
return nil, model.NewAppError("GetLastSuccessfulJobByType", "app.job.get_newest_job_by_status_and_type.app_error", nil, err.Error(), http.StatusInternalServerError)
}
return job, nil
}