Update app.py

app.py

@@ -19,31 +19,50 @@ GID = "0"
 GOOGLE_SHEET_CSV = f"https://docs.google.com/spreadsheets/d/{SHEET_ID}/export?format=csv&gid={GID}"
 
 
+# ==============================
+# Fetch Google Sheet Data
+# ==============================
 def fetch_sheet():
     try:
         response = requests.get(GOOGLE_SHEET_CSV)
-        response.raise_for_status()
+
+        if response.status_code != 200:
+            print("Google Sheet not accessible")
+            return None
 
         df = pd.read_csv(StringIO(response.text))
+
+        # Clean column names
         df.columns = df.columns.str.strip().str.lower()
 
         if "asset id" not in df.columns:
+            print("Column 'Asset ID' not found")
+            print("Available columns:", df.columns.tolist())
             return None
 
         df.rename(columns={"asset id": "Asset ID"}, inplace=True)
+
         return df
 
-    except:
+    except Exception as e:
+        print("Error fetching sheet:", e)
         return None
 
 
+# ==============================
+# Home Page
+# ==============================
 @app.route("/")
 def home():
     return render_template("index.html")
 
 
+# ==============================
+# Generate QR
+# ==============================
 @app.route("/generate", methods=["POST"])
 def generate_qr():
+
     asset_id = request.form["data"].strip()
     fill_color = request.form["fill_color"]
     back_color = request.form["back_color"]
@@ -63,8 +82,8 @@ def generate_qr():
 
     row = result.iloc[0]
 
-    # QR now stores asset URL
-    asset_url = request.host_url + "asset/" + quote(asset_id)
+    # 🔥 IMPORTANT: Use correct base URL
+    asset_url = request.url_root + "asset/" + quote(asset_id)
 
     qr = qrcode.QRCode(
         version=None,
@@ -78,8 +97,10 @@ def generate_qr():
 
     img = qr.make_image(fill_color=fill_color, back_color=back_color).convert("RGB")
 
+    # Add logo if uploaded
     if logo and logo.filename != "":
         logo_img = Image.open(logo)
+
         logo_size = img.size[0] // 4
         logo_img = logo_img.resize((logo_size, logo_size))
 
@@ -108,8 +129,12 @@ def generate_qr():
     )
 
 
+# ==============================
+# Asset Detail Page (QR Opens This)
+# ==============================
 @app.route("/asset/<path:asset_id>")
 def show_asset(asset_id):
+
     df = fetch_sheet()
     if df is None:
         return "<h3>Unable to fetch data</h3>"
@@ -134,5 +159,8 @@ def show_asset(asset_id):
     return render_template("asset_card.html", asset=asset_info)
 
 
+# ==============================
+# Run App
+# ==============================
 if __name__ == "__main__":
-    app.run(debug=True, host='0.0.0.0',port=5000)
+    app.run(host="0.0.0.0", port=7860)