From 210e01bb965837c0424d21b4c396724baee28f4d Mon Sep 17 00:00:00 2001
From: David Rodenkirchen <davidr.develop@gmail.com>
Date: Sat, 30 May 2026 20:28:26 +0200
Subject: [PATCH] Add option to storno tickets and seats

---
 src/elm/pages/UserAdminPage.py        | 75 ++++++++++++++++++++++++++-
 src/elm/services/AccountingService.py | 13 ++---
 2 files changed, 80 insertions(+), 8 deletions(-)

diff --git a/src/elm/pages/UserAdminPage.py b/src/elm/pages/UserAdminPage.py
index bd988eb..517756f 100644
--- a/src/elm/pages/UserAdminPage.py
+++ b/src/elm/pages/UserAdminPage.py
@@ -1,15 +1,18 @@
 from __future__ import annotations
 
 import logging
+from copy import copy
 from functools import partial
 from typing import Optional
 from decimal import Decimal
 
+from beanie.odm.interfaces.find import FindInterface
+from bson import ObjectId
 from rio import Component, Column, Row, Text, Spacer, page, Rectangle, TextInput, GuardEvent, Button, TextInputChangeEvent, NumberInput, IconButton
 from rio.event import on_populate
 
-from elm.types import UserSession, User, Transaction
-from elm.services import AccountingService, MailingService
+from elm.types import UserSession, User, Transaction, Ticket, Seat
+from elm.services import AccountingService, MailingService, ConfigurationService
 from elm.components import AccountInfoBox
 
 logger = logging.getLogger(__name__.split(".")[-1])
@@ -95,6 +98,36 @@ class UserAdminPage(Component):
             receiver=self.active_user.user_mail
         ))
 
+    async def cancel_ticket(self) -> None:
+        if self.active_user is None:
+            return
+
+        ticket = await Ticket.find_one({"owner.$id": self.active_user.id})
+        if ticket is None:
+            return
+
+        ticket_price = Decimal(0)
+        for ticket_info in self.session[ConfigurationService].get_ticket_info():
+            if ticket_info.category == ticket.category:
+                ticket_price = ticket_info.price
+
+        await ticket.delete()
+        await self.session[AccountingService].add_balance(self.active_user.user_name, ticket_price, "TICKET STORNO", skip_mail=True)
+        await self.free_seat()
+
+    async def free_seat(self) -> None:
+        if self.active_user is None:
+            return
+
+        seat = await Seat.find_one({"user.$id": ObjectId(self.active_user.id)})
+        if seat is None:
+            self.active_user = None
+            return
+
+        seat.user = None
+        await seat.save()
+        self.active_user = None
+
     def build(self) -> Component:
         right_panel_contents = []
         if not self.active_user:
@@ -153,6 +186,44 @@ class UserAdminPage(Component):
                     stroke_width=0.1,
                     stroke_color=self.session.theme.box_border_color
                 ),
+                Rectangle(
+                    content=Column(
+                        Rectangle(
+                            content=Rectangle(
+                                content=Text(f"Sonstiges", margin=0.5,
+                                             selectable=False, overflow="wrap"),
+                                fill=self.session.theme.header_box_background_color,
+                                margin=0.4
+                            ),
+                            stroke_width=0.1,
+                            stroke_color=self.session.theme.box_border_color,
+                        ),
+                        Column(
+                            Row(
+                                Button(
+                                    content="Ticket stornieren",
+                                    shape="rectangle",
+                                    color="danger",
+                                    margin=1,
+                                    on_press=self.cancel_ticket
+                                ),
+                                Button(
+                                    content="Sitzplatz freigeben",
+                                    shape="rectangle",
+                                    color="danger",
+                                    margin=1,
+                                    on_press=self.free_seat
+                                )
+                            ),
+                            margin=1,
+                            spacing=1
+                        ),
+                        Spacer()
+                    ),
+                    fill=self.session.theme.box_color,
+                    stroke_width=0.1,
+                    stroke_color=self.session.theme.box_border_color
+                ),
             ])
 
 
diff --git a/src/elm/services/AccountingService.py b/src/elm/services/AccountingService.py
index d8a96ef..72aab5a 100644
--- a/src/elm/services/AccountingService.py
+++ b/src/elm/services/AccountingService.py
@@ -130,7 +130,7 @@ class AccountingService:
                     return True
         return False
 
-    async def add_balance(self, user_name: str, balance_to_add: Decimal, title: str) -> Decimal:
+    async def add_balance(self, user_name: str, balance_to_add: Decimal, title: str, skip_mail: bool = False) -> Decimal:
         user = await User.find_one(User.user_name == user_name)
         if not user:
             raise KeyError("User does not exist")
@@ -142,11 +142,12 @@ class AccountingService:
         ).save()
         logger.debug(f"Added balance of {self.make_euro_string_from_decimal(balance_to_add)} to user '{user_name}'")
         new_balance = await self.get_balance(user_name)
-        await self._mailing_service.send_email(
-            "Dein Guthaben wurde aufgeladen",
-            self._mailing_service.generate_account_balance_added_mail_body(user, balance_to_add, new_balance),
-            user.user_mail
-        )
+        if not skip_mail:
+            await self._mailing_service.send_email(
+                "Dein Guthaben wurde aufgeladen",
+                self._mailing_service.generate_account_balance_added_mail_body(user, balance_to_add, new_balance),
+                user.user_mail
+            )
         return new_balance
 
     async def remove_balance(self, user_name: str, balance_to_remove: Decimal, title: str) -> Decimal: