alist/internal/search/update.go

74 lines
1.7 KiB
Go

package search
import (
"context"
"path"
"github.com/alist-org/alist/v3/internal/model"
"github.com/alist-org/alist/v3/internal/op"
mapset "github.com/deckarep/golang-set/v2"
log "github.com/sirupsen/logrus"
)
func Update(parent string, objs []model.Obj) {
if instance != nil && !instance.Config().AutoUpdate {
return
}
ctx := context.Background()
// only update when index have built
progress, err := Progress(ctx)
if err != nil {
log.Errorf("update search index error while get progress: %+v", err)
return
}
if !progress.IsDone {
return
}
nodes, err := instance.Get(ctx, parent)
if err != nil {
log.Errorf("update search index error while get nodes: %+v", err)
return
}
now := mapset.NewSet[string]()
for i := range objs {
now.Add(objs[i].GetName())
}
old := mapset.NewSet[string]()
for i := range nodes {
old.Add(nodes[i].Name)
}
// delete data that no longer exists
toDelete := old.Difference(now)
toAdd := now.Difference(old)
for i := range nodes {
if toDelete.Contains(nodes[i].Name) {
err = instance.Del(ctx, path.Join(parent, nodes[i].Name))
if err != nil {
log.Errorf("update search index error while del old node: %+v", err)
return
}
}
}
for i := range objs {
if toAdd.Contains(objs[i].GetName()) {
err = instance.Index(ctx, parent, objs[i])
if err != nil {
log.Errorf("update search index error while index new node: %+v", err)
return
}
// build index if it's a folder
if objs[i].IsDir() {
err = BuildIndex(ctx, []string{path.Join(parent, objs[i].GetName())}, nil, -1, false)
if err != nil {
log.Errorf("update search index error while build index: %+v", err)
return
}
}
}
}
}
func init() {
op.RegisterObjsUpdateHook(Update)
}