feat(admin): unify context menu, add context menu to files tab

1 files changed, 65 insertions, 0 deletions

diff --git a/internal/admin/api_files.go b/internal/admin/api_files.go
index 2a87dd3..496b08d 100644
--- a/internal/admin/api_files.go
+++ b/internal/admin/api_files.go
@@ -8,6 +8,71 @@ import (
 	"strings"
 )
 
+func (s *AdminServer) handleFileRename(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+	var body struct {
+		Path    string `json:"path"`
+		NewName string `json:"new_name"`
+	}
+	if err := readJSON(r, &body); err != nil || body.Path == "" || body.NewName == "" {
+		writeJSON(w, map[string]any{"error": "missing path or new_name"})
+		return
+	}
+
+	newName := strings.TrimSpace(body.NewName)
+	if newName == "" || newName == "." || newName == ".." || strings.ContainsAny(newName, "/\\") {
+		writeJSON(w, map[string]any{"error": "invalid file name"})
+		return
+	}
+	for _, c := range newName {
+		if c < 32 || c == 127 {
+			writeJSON(w, map[string]any{"error": "file name contains invalid characters"})
+			return
+		}
+	}
+
+	relPath := strings.TrimPrefix(body.Path, "/")
+	relPath = strings.TrimPrefix(relPath, "data/")
+	oldAbs := filepath.Join(s.dataDir, relPath)
+
+	oldContent, err := snapshotFile(oldAbs)
+	if err != nil {
+		writeJSON(w, map[string]any{"error": "file not found: " + relPath})
+		return
+	}
+
+	newAbs := filepath.Join(filepath.Dir(oldAbs), newName)
+	if _, err := os.Stat(newAbs); err == nil {
+		writeJSON(w, map[string]any{"error": "a file named " + newName + " already exists"})
+		return
+	}
+
+	if err := os.WriteFile(newAbs, oldContent, 0644); err != nil {
+		writeJSON(w, map[string]any{"error": "write error: " + err.Error()})
+		return
+	}
+	if err := os.Remove(oldAbs); err != nil {
+		writeJSON(w, map[string]any{"error": "remove error: " + err.Error()})
+		return
+	}
+
+	newRelPath := filepath.Join(filepath.Dir(relPath), newName)
+	if filepath.Dir(relPath) == "." {
+		newRelPath = newName
+	}
+	s.undoStack.Push(ChangeDesc{
+		Description: "Renamed file " + relPath + " to " + newRelPath,
+		FilePath:    oldAbs,
+		NewFilePath: newAbs,
+		OldContent:  oldContent,
+		NewContent:  oldContent,
+	})
+	writeJSON(w, map[string]any{"ok": true, "path": newRelPath})
+}
+
 func (s *AdminServer) handleFiles(w http.ResponseWriter, r *http.Request) {
 	relPath := r.URL.Query().Get("path")
 	relPath = strings.TrimPrefix(relPath, "/")