Add asset lookup from canteen DB — auto-match OCR machine IDs to asset records

server.py

@@ -116,6 +116,11 @@ async def analyze_photo(file: UploadFile = File(...)):
     exif_result = extract_exif(contents)
     ocr_result = run_ocr(contents) if HAS_TESSERACT else {"available": False, "text": ""}
 
+    # Extract machine ID from OCR for auto-lookup
+    machine_id = None
+    if ocr_result.get("match_5dash6"):
+        machine_id = re.sub(r"\D", "", ocr_result["match_5dash6"])[-5:]
+
     return {
         "filename": file.filename,
         "saved_as": fname,
@@ -123,9 +128,60 @@ async def analyze_photo(file: UploadFile = File(...)):
         "file_size_kb": round(file_size / 1024, 1),
         "exif": exif_result,
         "ocr": ocr_result,
+        "machine_id": machine_id,
     }
 
 
+@app.get("/api/lookup")
+async def lookup_asset(machine_id: str = ""):
+    """Look up an asset by machine_id in the canteen assets database."""
+    if not machine_id or not machine_id.strip():
+        return {"found": False, "reason": "No machine_id provided"}
+
+    import sqlite3
+    from pathlib import Path as _Path
+
+    db_path = _Path(__file__).parent.parent / "canteen-asset-tracker" / "assets.db"
+    if not db_path.exists():
+        return {"found": False, "reason": f"Database not found at {db_path}"}
+
+    try:
+        conn = sqlite3.connect(str(db_path))
+        conn.row_factory = sqlite3.Row
+        row = conn.execute(
+            "SELECT id, machine_id, name, category, status, address, building_name, "
+            "floor, room, latitude, longitude, make, model, description, photo_path "
+            "FROM assets WHERE machine_id = ?",
+            (machine_id.strip(),),
+        ).fetchone()
+        conn.close()
+
+        if row:
+            return {
+                "found": True,
+                "asset": {
+                    "id": row["id"],
+                    "machine_id": row["machine_id"],
+                    "name": row["name"],
+                    "category": row["category"],
+                    "status": row["status"],
+                    "address": row["address"],
+                    "building_name": row["building_name"],
+                    "floor": row["floor"],
+                    "room": row["room"],
+                    "latitude": row["latitude"],
+                    "longitude": row["longitude"],
+                    "make": row["make"],
+                    "model": row["model"],
+                    "description": row["description"],
+                    "photo_path": row["photo_path"],
+                },
+            }
+        return {"found": False, "reason": f"No asset with machine_id '{machine_id}'"}
+    except Exception as e:
+        return {"found": False, "reason": str(e)}
+
+
 @app.get("/api/uploads")
 async def list_uploads():
     """List previously uploaded files."""