PiwigoDirectoryUploader/internal/pkg/images/upload.go

88 lines
2.8 KiB
Go

/*
* Copyright (C) 2019 Philipp Haefelfinger (http://www.haefelfinger.ch/). All Rights Reserved.
* This application is licensed under GPLv2. See the LICENSE file in the root directory of the project.
*/
package images
import (
"git.haefelfinger.net/piwigo/PiwigoDirectoryUploader/internal/pkg/datastore"
"git.haefelfinger.net/piwigo/PiwigoDirectoryUploader/internal/pkg/piwigo"
"github.com/sirupsen/logrus"
"sync"
)
// Uploads the pending images to the piwigo gallery and assign the category of to the image.
// Update local metadata and set upload flag to false. Also updates the piwigo image id if there was a difference.
func UploadImages(piwigoCtx piwigo.ImageApi, metadataProvider datastore.ImageMetadataProvider, numberOfWorkers int) error {
logrus.Debug("Starting uploadImages")
defer logrus.Debug("Finished uploadImages successfully")
images, err := metadataProvider.ImageMetadataToUpload()
if err != nil {
return err
}
if len(images) == 0 {
logrus.Info("No images to upload.")
return nil
}
if numberOfWorkers <= 0 {
logrus.Warnf("Invalid numbers of worker set: %d falling back to default of 4", numberOfWorkers)
numberOfWorkers = 4
}
logrus.Infof("Uploading %d images to piwigo using %d workers", len(images), numberOfWorkers)
workQueue := make(chan datastore.ImageMetaData, numberOfWorkers)
wg := sync.WaitGroup{}
wg.Add(1)
go uploadQueueProducer(images, workQueue, &wg)
for i := 0; i < numberOfWorkers; i++ {
logrus.Debugf("Starting image upload worker %d", i)
wg.Add(1)
go uploadQueueWorker(workQueue, piwigoCtx, metadataProvider, &wg)
}
wg.Wait()
return nil
}
func uploadQueueWorker(workQueue <-chan datastore.ImageMetaData, piwigoCtx piwigo.ImageApi, metadataProvider datastore.ImageMetadataProvider, waitGroup *sync.WaitGroup) {
for img := range workQueue {
logrus.Debugf("%s: uploading image to piwigo", img.FullImagePath)
imgId, err := piwigoCtx.UploadImage(img.PiwigoId, img.FullImagePath, img.Md5Sum, img.CategoryPiwigoId)
if err != nil {
logrus.Warnf("%s: could not upload image. Continuing with the next image.", img.FullImagePath)
continue
}
if imgId > 0 && imgId != img.PiwigoId {
img.PiwigoId = imgId
logrus.Debugf("%s: Updating image %d with piwigo id %d", img.FullImagePath, img.ImageId, img.PiwigoId)
}
logrus.Infof("%s: Successfully uploaded", img.FullImagePath)
img.UploadRequired = false
err = metadataProvider.SaveImageMetadata(img)
if err != nil {
logrus.Warnf("%s: could not save uploaded image. Continuing with the next image.", img.FullImagePath)
continue
}
}
waitGroup.Done()
}
func uploadQueueProducer(imagesToUpload []datastore.ImageMetaData, workQueue chan<- datastore.ImageMetaData, waitGroup *sync.WaitGroup) {
for _, img := range imagesToUpload {
logrus.Debugf("%s: Adding image to queue", img.FullImagePath)
workQueue <- img
}
waitGroup.Done()
close(workQueue)
}