From aeec85604f8660ab07ee91cb031b6466ae1faf35 Mon Sep 17 00:00:00 2001
From: locpham <yeunhiepanh.photo@gmail.com>
Date: Sat, 22 Aug 2026 04:07:19 +0000
Subject: [PATCH] =?UTF-8?q?fix(available):=20loai=20iZotope=20VST2=20legac?=
 =?UTF-8?q?y=20(Steinberg\VSTPlugins\iZotope\*.dll)=20trung=20ten=20VST3?=
 =?UTF-8?q?=20FX=20da=20scan=20=E2=80=94=20block=20theo=20ten=20normalized?=
 =?UTF-8?q?=20(bo=20prefix=20iZ,=20lowercase=20alnum);=20giu=20VST2=20that?=
 =?UTF-8?q?=20(DSK/Kong)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/api/v1/plugins.py | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

diff --git a/app/api/v1/plugins.py b/app/api/v1/plugins.py
index 8665cec..1b936f4 100644
--- a/app/api/v1/plugins.py
+++ b/app/api/v1/plugins.py
@@ -195,25 +195,40 @@ async def list_plugins(current_user: dict = Depends(get_current_user)):
     # không xác định được loại → KHÔNG hiện trong nút Synth.
     fx_paths = set()
     unknown_paths = set()
+    fx_norm_names = set()
     try:
         from app.core.vst_engine import get_plugin_manager
         for e in get_plugin_manager().list_scan_all():
             path = (e.get("path") or "").lower()
             if e.get("is_fx"):
                 fx_paths.add(path)
+                fx_norm_names.add(_norm_plugin_name(e.get("name") or ""))
             elif e.get("is_unknown"):
                 unknown_paths.add(path)
     except Exception:
         pass
     blocked = fx_paths | unknown_paths
+
+    def _is_fx_dupe(v) -> bool:
+        # iZotope cài VST2 legacy vào Steinberg\VSTPlugins\iZotope\ (iZOzonePro.dll,
+        # iZNeutronProCompressor.dll...) TRÙNG với VST3 FX đã scan (Ozone Pro Dynamic
+        # EQ.vst3...) nhưng path .dll ≠ path .vst3 → block theo path KHÔNG trúng.
+        # Loại theo TÊN normalized (bỏ prefix iZ, lowercase alnum) — VST2 thật
+        # (DSK Asian DreamZ, Kong Audio...) không trùng tên FX → vẫn giữ.
+        if not fx_norm_names:
+            return False
+        return _norm_plugin_name(v.get("name") or "") in fx_norm_names
+
     if blocked:
         avail["vst_instruments"] = [v for v in avail["vst_instruments"]
-                                    if (v.get("path") or "").lower() not in blocked]
+                                    if (v.get("path") or "").lower() not in blocked
+                                    and not _is_fx_dupe(v)]
     # Gộp VST từ plugin_dirs user đã scan — list_available() CHỈ quét vst_dir
     # env (mặc định /opt/daw_engine/vst3) → Synth dropdown không thấy VSTi mà
     # Plugin Manager đã scan trong thư mục user chọn (bug: nút Synth rỗng).
     extra = [v for v in _scan_vst_in_dirs(d["plugin_dirs"])
-             if (v.get("path") or "").lower() not in blocked]
+             if (v.get("path") or "").lower() not in blocked
+             and not _is_fx_dupe(v)]
     by_id = {v["id"]: v for v in avail["vst_instruments"]}
     for v in extra:
         by_id.setdefault(v["id"], v)
@@ -227,6 +242,16 @@ async def list_plugins(current_user: dict = Depends(get_current_user)):
     return avail
 
 
+def _norm_plugin_name(name: str) -> str:
+    """Tên plugin chuẩn hóa để so khớp FX trùng (iZotope VST2 legacy vs VST3):
+    bỏ prefix 'iZ' (iZOzonePro → OzonePro), lowercase, chỉ giữ alnum
+    (Ozone Pro Dynamic EQ → ozoneprodynamiceq)."""
+    s = "".join(ch for ch in (name or "").lower() if ch.isalnum())
+    if s.startswith("iz") and len(s) > 2:
+        s = s[2:]
+    return s
+
+
 def _scan_soundfonts_in_dirs(dirs: list) -> list:
     """Walk các thư mục (plugin_dirs user) → danh sách soundfont .sf2/.sf3
     (id = tên file; name từ .meta nếu có — cùng format PluginManager)."""