updates Mar6

app/routers/upload.py

@@ -0,0 +1,56 @@
+from fastapi import APIRouter, HTTPException, Depends, UploadFile, File
+from app.database import get_supabase
+from app.dependencies import get_current_user
+from app.config import settings
+import uuid
+import logging
+
+logger = logging.getLogger(__name__)
+router = APIRouter(prefix="/upload", tags=["Upload"])
+
+ALLOWED_IMAGE_TYPES = {"image/png", "image/jpeg", "image/jpg", "image/gif", "image/svg+xml", "image/webp"}
+MAX_LOGO_SIZE = 2 * 1024 * 1024  # 2MB
+
+
+@router.post("/logo")
+async def upload_logo(
+    file: UploadFile = File(...),
+    user=Depends(get_current_user),
+):
+    """Upload a chatbot logo to Supabase Storage. Returns public URL."""
+    supabase = get_supabase()
+
+    # Validate content type
+    if file.content_type not in ALLOWED_IMAGE_TYPES:
+        raise HTTPException(
+            status_code=400,
+            detail=f"Invalid file type. Allowed: PNG, JPG, GIF, SVG, WebP"
+        )
+
+    # Read file
+    file_bytes = await file.read()
+    if len(file_bytes) > MAX_LOGO_SIZE:
+        raise HTTPException(status_code=413, detail="Image must be under 2MB")
+
+    # Determine extension
+    content_type = file.content_type or "image/png"
+    ext_map = {
+        "image/png": "png", "image/jpeg": "jpg", "image/jpg": "jpg",
+        "image/gif": "gif", "image/svg+xml": "svg", "image/webp": "webp"
+    }
+    ext = ext_map.get(content_type, "png")
+
+    # Upload to Supabase Storage
+    path = f"{user.id}/{uuid.uuid4().hex}.{ext}"
+    try:
+        result = supabase.storage.from_("logos").upload(
+            path=path,
+            file=file_bytes,
+            file_options={"content-type": content_type, "upsert": "true"},
+        )
+        # Get public URL
+        public_url = supabase.storage.from_("logos").get_public_url(path)
+        return {"url": public_url}
+    except Exception as e:
+        logger.error(f"Logo upload failed: {e}")
+        raise HTTPException(status_code=500, detail=f"Upload failed: {str(e)[:200]}")