From 712cdeabf18080c0d9f620b14d5d86c5a113414a Mon Sep 17 00:00:00 2001
From: Andrew-AAAA <steven.andrew.halim@gmail.com>
Date: Tue, 29 Sep 2026 08:47:19 +0700
Subject: [PATCH] feat: expose archive host paths in project payload (REQ-172)

---
 .env.example        |  4 +++-
 backend/config.py   | 21 +++++++++++++++++++++
 backend/projects.py |  2 ++
 docker-compose.yml  |  2 ++
 4 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/.env.example b/.env.example
index 0951e2e..0987f6a 100644
--- a/.env.example
+++ b/.env.example
@@ -13,7 +13,9 @@ HF_TOKEN=
 
 # Where your recordings live, laid out as <date>/<batch>.mp4. Mounted read-only
 # into the container; nothing is ever written back into it.
-VIDEO_ARCHIVE_HOST=./data/archive
+# must be absolute for the copy-path buttons (REQ-172)
+VIDEO_ARCHIVE_HOST=/home/araaraenjoyer/dbs_project/reTraining/data/archive
+WSL_DISTRO_NAME=Ubuntu
 
 # ---- ports ------------------------------------------------------------------
 
diff --git a/backend/config.py b/backend/config.py
index ca36c8f..fb19211 100644
--- a/backend/config.py
+++ b/backend/config.py
@@ -22,6 +22,27 @@ DB_PATH = os.path.join(DATA_DIR, "app.db")
 # they store an absolute one — but this is the default the UI starts browsing from.
 VIDEO_ROOT = os.path.abspath(os.environ.get("VIDEO_ARCHIVE", os.path.join(DATA_DIR, "archive")))
 
+
+def archive_host_paths() -> dict:
+    """Where the archive sits on the host — for the copy-path buttons (REQ-172).
+
+    ponytail: relative VIDEO_ARCHIVE_HOST (./data/archive) cannot be resolved
+    inside the container; set it absolute in .env or the buttons stay hidden."""
+    import re
+    host = os.environ.get("VIDEO_ARCHIVE_HOST", "")
+    if os.path.isabs(host):
+        linux = host.rstrip("/")
+    elif VIDEO_ROOT != "/videos":   # bare-metal: VIDEO_ROOT is already the host path
+        linux = VIDEO_ROOT
+    else:
+        return {"linux": None, "windows": None}
+    if re.match(r"^[A-Za-z]:[\\/]", linux):
+        return {"linux": None, "windows": linux.replace("/", "\\")}
+    distro = os.environ.get("WSL_DISTRO_NAME", "")
+    windows = f"\\\\wsl.localhost\\{distro}\\" + linux.lstrip("/").replace("/", "\\") if distro else None
+    return {"linux": linux, "windows": windows}
+
+
 # Vite dev server needs cross-origin access; in Docker nginx proxies /api and
 # this is irrelevant.
 CORS_ORIGINS = [
diff --git a/backend/projects.py b/backend/projects.py
index 23ff4fb..89a96e1 100644
--- a/backend/projects.py
+++ b/backend/projects.py
@@ -178,6 +178,8 @@ def _row_to_dict(cur, row) -> dict:
         "secondary_model_classes": sec_classes,
         "base_model_fallback": PRETRAINED[row["label_type"]],
         "video_root": row["video_root"],
+        "video_root_linux": config.archive_host_paths()["linux"],
+        "video_root_windows": config.archive_host_paths()["windows"],
         "val_every": row["val_every"],
         "created_at": row["created_at"],
         "classes": classes,
diff --git a/docker-compose.yml b/docker-compose.yml
index 28109da..75f9b99 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,6 +8,8 @@ services:
       APP_DATA_DIR: /data
       VIDEO_ARCHIVE: /videos
       CORS_ORIGINS: ${CORS_ORIGINS:-http://localhost:5173,http://localhost:9000,http://localhost:9010}
+      VIDEO_ARCHIVE_HOST: ${VIDEO_ARCHIVE_HOST:-./data/archive}
+      WSL_DISTRO_NAME: ${WSL_DISTRO_NAME:-}
     volumes:
       - ./data:/data
       - ${VIDEO_ARCHIVE_HOST:-./data/archive}:/videos:ro