Upload files to "frontend"

frontend/main.py

@@ -0,0 +1,72 @@
+# main.py - FastAPI + JinjaX
+
+from fastapi import FastAPI
+from fastapi.staticfiles import StaticFiles
+from fastapi.templating import Jinja2Templates
+from pathlib import Path
+from datetime import datetime
+import jinjax
+
+from routes import upload, viewer, admin, crop
+
+# -- Middleware ------------------------------------------------
+from starlette.middleware.base import BaseHTTPMiddleware
+from starlette.requests import Request
+from starlette.responses import Response
+
+
+app = FastAPI(title="PointCloud Frontend")
+
+# -- Middleware ------------------------------------------------
+MAX_UPLOAD_BYTES = 10 * 1024 * 1024 * 1024  # 10 GB à ajuster
+
+class LimitUploadSize(BaseHTTPMiddleware):
+    async def dispatch(self, request: Request, call_next):
+        if request.method == "POST":
+            content_length = request.headers.get("content-length")
+            if content_length and int(content_length) > MAX_UPLOAD_BYTES:
+                return Response(
+                    content=f"Fichier trop volumineux. Maximum : {MAX_UPLOAD_BYTES // (1024**3)} GB",
+                    status_code=413,
+                )
+        return await call_next(request)
+
+app.add_middleware(LimitUploadSize)
+
+# ── Fichiers statiques ────────────────────────────────────────────────────────
+app.mount(
+    "/static",
+    StaticFiles(directory=Path(__file__).parent / "static"),
+    name="static",
+)
+
+# ── JinjaX catalog pour les composants ───────────────────────────────────────
+catalog = jinjax.Catalog()
+catalog.add_folder(Path(__file__).parent / "components")
+catalog.add_folder(Path(__file__).parent / "templates")
+catalog.add_folder(Path(__file__).parent / "templates" / "partials")
+
+# ── Jinja2 pour les pages et partials ────────────────────────────────────────
+templates = Jinja2Templates(directory=Path(__file__).parent / "templates")
+templates.env.filters["datetimeformat"] = lambda ts: (
+    datetime.fromtimestamp(int(ts)).strftime("%Y-%m-%d %H:%M") if ts else "—"
+)
+
+# Connecte JinjaX au même environnement Jinja2 pour que les composants
+# soient utilisables dans les templates HTML via {{ catalog.render(...) }}
+catalog.jinja_env = templates.env
+
+# Filtre personnalisé : timestamp unix → date lisible
+catalog.jinja_env.filters["datetimeformat"] = lambda ts: (
+    datetime.fromtimestamp(int(ts)).strftime("%Y-%m-%d %H:%M") if ts else "—"
+)
+
+# Rend le catalog accessible aux routes via app.state
+app.state.catalog = catalog
+app.state.templates = templates
+
+# ── Routes ────────────────────────────────────────────────────────────────────
+app.include_router(upload.router)
+app.include_router(viewer.router)
+app.include_router(admin.router)
+app.include_router(crop.router)