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package weed_server
import ( "context" "net/http" "strconv" "strings"
"github.com/seaweedfs/seaweedfs/weed/glog" ui "github.com/seaweedfs/seaweedfs/weed/server/filer_ui" "github.com/seaweedfs/seaweedfs/weed/stats" "github.com/seaweedfs/seaweedfs/weed/util" )
// listDirectoryHandler lists directories and folers under a directory
// files are sorted by name and paginated via "lastFileName" and "limit".
// sub directories are listed on the first page, when "lastFileName"
// is empty.
func (fs *FilerServer) listDirectoryHandler(w http.ResponseWriter, r *http.Request) {
stats.FilerHandlerCounter.WithLabelValues(stats.DirList).Inc()
path := r.URL.Path if strings.HasSuffix(path, "/") && len(path) > 1 { path = path[:len(path)-1] }
limit, limit_err := strconv.Atoi(r.FormValue("limit")) if limit_err != nil { limit = fs.option.DirListingLimit }
lastFileName := r.FormValue("lastFileName") namePattern := r.FormValue("namePattern") namePatternExclude := r.FormValue("namePatternExclude")
entries, shouldDisplayLoadMore, err := fs.filer.ListDirectoryEntries(context.Background(), util.FullPath(path), lastFileName, false, int64(limit), "", namePattern, namePatternExclude)
if err != nil { glog.V(0).Infof("listDirectory %s %s %d: %s", path, lastFileName, limit, err) w.WriteHeader(http.StatusNotFound) return }
if path == "/" { path = "" }
emptyFolder := true if len(entries) > 0 { lastFileName = entries[len(entries)-1].Name() emptyFolder = false }
glog.V(4).Infof("listDirectory %s, last file %s, limit %d: %d items", path, lastFileName, limit, len(entries))
if r.Header.Get("Accept") == "application/json" { writeJsonQuiet(w, r, http.StatusOK, struct { Path string Entries interface{} Limit int LastFileName string ShouldDisplayLoadMore bool EmptyFolder bool }{ path, entries, limit, lastFileName, shouldDisplayLoadMore, emptyFolder, }) return }
err = ui.StatusTpl.Execute(w, struct { Path string Breadcrumbs []ui.Breadcrumb Entries interface{} Limit int LastFileName string ShouldDisplayLoadMore bool EmptyFolder bool ShowDirectoryDelete bool }{ path, ui.ToBreadcrumb(path), entries, limit, lastFileName, shouldDisplayLoadMore, emptyFolder, fs.option.ShowUIDirectoryDelete, }) if err != nil { glog.V(0).Infof("Template Execute Error: %v", err) } }
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