func (vfs FuseVfs) openTaggedEntryDir(path []string) ([]fuse.DirEntry, fuse.Status) {
log.Infof(2, "BEGIN openTaggedEntryDir(%v)", path)
defer log.Infof(2, "END openTaggedEntryDir(%v)", path)
expression := query.HasAll(path)
files, err := vfs.store.QueryFiles(expression)
if err != nil {
log.Fatalf("could not query files: %v", err)
}
tagNames := make(map[string]interface{}, len(path))
for _, tagName := range path {
tagNames[tagName] = nil
}
furtherTagNames := make([]string, 0, 10)
for _, file := range files {
fileTags, err := vfs.store.FileTagsByFileId(file.Id)
if err != nil {
log.Fatalf("could not retrieve file-tags for file '%v': %v", file.Id, err)
}
tagIds := make([]uint, len(fileTags))
for index, fileTag := range fileTags {
tagIds[index] = fileTag.TagId
}
tags, err := vfs.store.TagsByIds(tagIds)
if err != nil {
log.Fatalf("could not retrieve tags: %v", err)
}
for _, tag := range tags {
_, has := tagNames[tag.Name]
if !has {
if !containsName(furtherTagNames, tag.Name) {
furtherTagNames = append(furtherTagNames, tag.Name)
}
}
}
}
entries := make([]fuse.DirEntry, 0, len(files)+len(furtherTagNames))
for _, tagName := range furtherTagNames {
entries = append(entries, fuse.DirEntry{Name: tagName, Mode: fuse.S_IFDIR | 0755})
}
for _, file := range files {
linkName := vfs.getLinkName(file)
entries = append(entries, fuse.DirEntry{Name: linkName, Mode: fuse.S_IFLNK})
}
return entries, fuse.OK
}
// Retrieves the set of files with the specified tags.
func (storage *Storage) FilesWithTags(tagNames []string) (entities.Files, error) {
expression := query.HasAll(tagNames)
return storage.Db.QueryFiles(expression)
}
// Retrieves the count of files with the specified tags.
func (storage *Storage) FileCountWithTags(tagNames []string) (uint, error) {
expression := query.HasAll(tagNames)
return storage.Db.QueryFileCount(expression)
}