webp support

app.py

@@ -147,9 +147,8 @@ class Receipt(db.Model):
     list_id = db.Column(db.Integer, db.ForeignKey("shopping_list.id"), nullable=False)
     filename = db.Column(db.String(255), nullable=False)
     uploaded_at = db.Column(db.DateTime, default=datetime.utcnow)
-
     shopping_list = db.relationship("ShoppingList", backref="receipts", lazy=True)
-
+    filesize = db.Column(db.Integer, nullable=True)
 
 with app.app_context():
     db.create_all()
@@ -298,6 +297,7 @@ def delete_receipts_for_list(list_id):
                 print(f"Nie udało się usunąć pliku {filename}: {e}")
 
 
+
 # zabezpieczenie logowani do systemu - błędne hasła
 def is_ip_blocked(ip):
     now = time.time()
@@ -935,6 +935,7 @@ def upload_receipt(list_id):
     return redirect(request.referrer) """
 
 
+from datetime import datetime
 
 @app.route("/upload_receipt/<int:list_id>", methods=["POST"])
 def upload_receipt(list_id):
@@ -953,7 +954,15 @@ def upload_receipt(list_id):
 
         save_resized_image(file, file_path)
 
-        new_receipt = Receipt(list_id=list_id, filename=webp_filename)
+        filesize = os.path.getsize(file_path) if os.path.exists(file_path) else None
+        uploaded_at = datetime.utcnow()
+
+        new_receipt = Receipt(
+            list_id=list_id,
+            filename=webp_filename,
+            filesize=filesize,
+            uploaded_at=uploaded_at
+        )
         db.session.add(new_receipt)
         db.session.commit()
 
@@ -967,12 +976,6 @@ def upload_receipt(list_id):
 
     return _receipt_error("Niedozwolony format pliku")
 
-def _receipt_error(message):
-    if request.is_json or request.headers.get("X-Requested-With") == "XMLHttpRequest":
-        return jsonify({"success": False, "message": message}), 400
-    flash(message, "danger")
-    return redirect(request.referrer)
-
 
 
 @app.route("/uploads/<filename>")
@@ -1195,9 +1198,6 @@ def delete_user(user_id):
     flash("Użytkownik usunięty", "success")
     return redirect(url_for("list_users"))
 
-
-import os
-
 @app.route("/admin/receipts/<id>")
 @login_required
 @admin_required
@@ -1216,14 +1216,9 @@ def admin_receipts(id):
         flash("Nieprawidłowe ID listy.", "danger")
         return redirect(url_for("admin_panel"))
 
-    for r in receipts:
-        path = os.path.join(app.config["UPLOAD_FOLDER"], r.filename)
-        r.filesize = os.path.getsize(path) if os.path.exists(path) else 0
-
     return render_template("admin/receipts.html", receipts=receipts)
 
 
-
 @app.route("/admin/delete_receipt/<filename>")
 @login_required
 @admin_required