feat: commande CLI delete pour supprimer une galerie

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2 files changed, 67 insertions, 3 deletions

diff --git a/README.md b/README.md
index d69f540..e4e9ca6 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,14 @@ go build -o gallery .
 ./gallery create <name> <password> [--data ./gallery-data] [--no-thumbs]
 ```
 
+### Delete a gallery
+
+```sh
+./gallery delete <name> [--data ./gallery-data]
+```
+
+Removes the gallery from the config and deletes its folder (photos + thumbnails). Asks for confirmation before deleting.
+
 ### Start the server
 
 ```sh
@@ -45,6 +53,3 @@ pics.example.com {
 go test ./...
 ```
 
-## TODO
-
-- [ ] CLI command to cleanup a gallery: remove config and folder
diff --git a/gallery.go b/gallery.go
index 741964e..f0c0972 100644
--- a/gallery.go
+++ b/gallery.go
@@ -937,6 +937,37 @@ func (s *Server) createGalleryOpts(name, password string, thumbs bool) error {
 }
 
 // ---------------------------------------------------------------------------
+// CLI: delete gallery
+// ---------------------------------------------------------------------------
+
+func (s *Server) deleteGallery(name string) error {
+	if !validGalleryName.MatchString(name) {
+		return fmt.Errorf("invalid gallery name %q", name)
+	}
+
+	s.mu.Lock()
+	_, ok := s.galleries[name]
+	if !ok {
+		s.mu.Unlock()
+		return fmt.Errorf("gallery %q not found", name)
+	}
+	delete(s.galleries, name)
+	s.mu.Unlock()
+
+	if err := s.save(); err != nil {
+		return fmt.Errorf("failed to update config: %w", err)
+	}
+
+	dir := s.galleryDir(name)
+	if err := os.RemoveAll(dir); err != nil {
+		return fmt.Errorf("config removed but failed to delete directory %s: %w", dir, err)
+	}
+
+	log.Printf("Gallery %q deleted", name)
+	return nil
+}
+
+// ---------------------------------------------------------------------------
 // Embedded templates & static assets
 // ---------------------------------------------------------------------------
 
@@ -960,6 +991,7 @@ func printUsage() {
 	fmt.Fprintf(os.Stderr, `Usage:
   gallery serve [--addr :8080] [--data ./data]
   gallery create <name> <password> [--data ./data] [--no-thumbs]
+  gallery delete <name> [--data ./data]
 
 Options:
   --no-thumbs  Disable thumbnail generation; serve source images in the grid.
@@ -968,6 +1000,7 @@ Examples:
   gallery create crete-2026 "MySecret123" --data ./gallery-data
   gallery create big-photos "pass" --data ./gallery-data --no-thumbs
   gallery serve --addr :8080 --data ./gallery-data
+  gallery delete crete-2026 --data ./gallery-data
 `)
 }
 
@@ -1021,6 +1054,32 @@ func main() {
 		}
 		fmt.Printf("Gallery %q created in %s\n", name, filepath.Join(flags["data"], name))
 
+	case "delete":
+		if len(os.Args) < 3 {
+			fmt.Fprintln(os.Stderr, "Usage: gallery delete <name> [--data ./data]")
+			os.Exit(1)
+		}
+		name := os.Args[2]
+		flags := parseFlags(os.Args[3:], map[string]string{"data": "./data"})
+
+		srv := NewServer(flags["data"], 20<<20)
+		if err := srv.load(); err != nil {
+			log.Fatalf("Failed to load state: %v", err)
+		}
+
+		fmt.Printf("Delete gallery %q and all its photos from %s? [y/N] ", name, srv.galleryDir(name))
+		var answer string
+		fmt.Scanln(&answer)
+		if strings.ToLower(strings.TrimSpace(answer)) != "y" {
+			fmt.Println("Aborted.")
+			os.Exit(0)
+		}
+
+		if err := srv.deleteGallery(name); err != nil {
+			log.Fatalf("Failed to delete gallery: %v", err)
+		}
+		fmt.Printf("Gallery %q deleted.\n", name)
+
 	case "serve":
 		flags := parseFlags(os.Args[2:], map[string]string{
 			"addr": ":8080",