s3browser-backend/internal/helper.go

80 lines
1.8 KiB
Go

package s3browser
import (
"context"
"fmt"
"path/filepath"
"github.com/graph-gophers/dataloader"
"github.com/minio/minio-go/v7"
log "github.com/sirupsen/logrus"
)
func invalidateCache(ctx context.Context, id string) error {
loader, ok := ctx.Value("loader").(map[string]*dataloader.Loader)
if !ok {
return fmt.Errorf("Failed to get loader from context")
}
log.Debug("Invalidate cache for id: ", id)
loader["getFile"].Clear(ctx, dataloader.StringKey(id))
loader["getFiles"].Clear(ctx, dataloader.StringKey(getPathFromId(id)))
// FIXME: this is the only way i can invalidate the cache without it breaking stuff
// loader["listObjects"].Clear(ctx, dataloader.StringKey(id))
loader["listObjects"].ClearAll()
return nil
}
func getPathFromId(id string) string {
dir := filepath.Dir(id)
if dir == "." {
return "/"
}
return dir + "/"
}
func getFilenameFromID(id string) string {
return filepath.Base(id)
}
func invalidateCacheForDir(ctx context.Context, path string) error {
loader, ok := ctx.Value("loader").(map[string]*dataloader.Loader)
if !ok {
return fmt.Errorf("Failed to get loader from context")
}
log.Debug("Invalidate cache for dir: ", path)
// FIXME: only clear required ids
loader["getFile"].ClearAll()
loader["listObjects"].ClearAll()
loader["getFiles"].ClearAll()
loader["getDirs"].ClearAll()
return nil
}
func deleteMultiple(ctx context.Context, s3Client minio.Client, ids []minio.ObjectInfo) error {
log.Debug("Delte multiple")
objectsCh := make(chan minio.ObjectInfo, 1)
go func() {
defer close(objectsCh)
for _, id := range ids {
objectsCh <- id
}
}()
for err := range s3Client.RemoveObjects(ctx, bucketName, objectsCh, minio.RemoveObjectsOptions{}) {
log.Error("Failed to delete object ", err.ObjectName, " because: ", err.Err.Error())
// TODO: error handel
}
return nil
}