add ticketing

README.md

@@ -1,3 +0,0 @@
-# ELM
-
-The EZGG LAN Manager

config.example.toml

@@ -27,14 +27,14 @@
         price="20.00"
         description="Normales Ticket"
         additional_info="Berechtigt zur Nutzung eines regulären Platzes für die gesamte Dauer der LAN"
-        is_default=true
+        can_be_sold=true
 
     [tickets."DELUXE"]
         total_tickets=30
         price="25.00"
         description="Deluxe Ticket"
         additional_info="Wie das normale Ticket, aber mit doppelt so breitem Tisch (160cm)"
-        is_default=false
+        can_be_sold=true
 
 [receipt_printing]
     host="10.0.0.103"

src/elm/components/AccountInfoBox.py

@@ -1,7 +1,9 @@
+from typing import Optional
+
 from rio import Component, Rectangle, Column, Text, Row, PointerEventListener, TextInput
 from rio.event import on_populate
 
-from elm.types import UserSession
+from elm.types import UserSession, Ticket
 from elm.components import ElmButton
 from elm.services import UserService
 
@@ -13,14 +15,19 @@ class AccountInfoBox(Component):
     account_info_is_error: bool = False
     password_input_blocked: bool = False
     password_change_in_progress: bool = False
+    ticket: Optional[Ticket] = None
 
     @on_populate
     async def on_populate(self) -> None:
+        try:
             user = await self.session[UserService].get_user(self.session[UserSession].user_name)
             if user:
                 self.mail = user.user_mail
+                self.ticket = await Ticket.find_one({"owner.$id": user.id})
             else:
                 self.session.navigate_to("./login")
+        except KeyError:
+            self.session.navigate_to("./login")
 
     async def set_new_password(self) -> None:
         self.password_change_in_progress = True
@@ -55,6 +62,9 @@ class AccountInfoBox(Component):
 
     def build(self) -> Component:
         row_col = Row
+        ticket_text = "-"
+        if self.ticket:
+            ticket_text = self.ticket.category
         if self.session.is_mobile():
             row_col = Column
 
@@ -75,13 +85,13 @@ class AccountInfoBox(Component):
                     row_col(
                         PointerEventListener(
                             Rectangle(
-                                content=Row(Text("Ticket:", margin=1, overflow="wrap", justify="left"), Text("-", margin=1, overflow="wrap", justify="right")),
+                                content=Row(Text("Ticket:", margin=1, overflow="wrap", justify="left"), Text(ticket_text, margin=1, overflow="wrap", justify="right")),
-                                fill=self.session.theme.danger_color_dark,
+                                fill=self.session.theme.success_color if self.ticket else self.session.theme.danger_color_dark,
                                 stroke_width=0.1,
-                                stroke_color=self.session.theme.danger_color,
+                                stroke_color=self.session.theme.success_color if self.ticket else self.session.theme.danger_color,
-                                hover_fill=self.session.theme.danger_color,
+                                hover_fill=self.session.theme.success_color if self.ticket else self.session.theme.danger_color,
                                 hover_stroke_width=0.1,
-                                hover_stroke_color=self.session.theme.danger_color_dark,
+                                hover_stroke_color=self.session.theme.success_color if self.ticket else self.session.theme.danger_color_dark,
                                 transition_time=0.2,
                                 cursor="pointer"
                             ),

src/elm/components/BuyTicketBox.py

@@ -0,0 +1,137 @@
+from asyncio import sleep
+from datetime import datetime
+from typing import Optional
+
+from rio import Component, Column, Row, Text, Spacer, Rectangle, ProgressBar, Tooltip
+from rio.event import on_populate
+
+from elm.services import AccountingService
+from elm.components import ElmButton
+from elm.services.AccountingService import InsufficientFundsError
+from elm.types import Ticket, UserSession, User, TicketInfo, TicketState
+
+
+class BuyTicketBox(Component):
+    ticket_info: TicketInfo
+    user_ticket: Optional[Ticket] = None
+    ticket_state: TicketState = TicketState.UNAVAILABLE
+    sold_tickets: int = 0
+    purchase_in_process: bool = False
+    purchase_status: str = ""
+    purchase_error_message: str = ""
+
+    @on_populate
+    async def on_populate(self) -> None:
+        self.sold_tickets = len(await Ticket.find_many(Ticket.category == self.ticket_info.category).to_list())
+        if self.sold_tickets >= self.ticket_info.total_tickets:
+            self.ticket_state = TicketState.SOLD_OUT
+        elif self.ticket_info.can_be_sold:
+            self.ticket_state = TicketState.AVAILABLE
+        else:
+            self.ticket_state = TicketState.UNAVAILABLE
+        self.user_ticket = await self.get_user_ticket()
+
+    async def get_user_ticket(self) -> Optional[Ticket]:
+        try:
+            user = await User.find_one(User.user_name == self.session[UserSession].user_name)
+            if not user:
+                return None
+            return await Ticket.find_one({"owner.$id": user.id})
+        except KeyError:
+            return None
+
+    def is_logged_in(self) -> bool:
+        try:
+            return bool(self.session[UserSession].user_name)
+        except KeyError:
+            return False
+
+    def get_available_tickets(self) -> int:
+        return self.ticket_info.total_tickets - self.sold_tickets
+
+    async def buy_ticket(self) -> None:
+        self.purchase_in_process = True
+        self.purchase_status = "Ticket wird gekauft..."
+        await sleep(1)
+
+        try:
+            user = await User.find_one(User.user_name == self.session[UserSession].user_name)
+            if not user:
+                raise KeyError
+        except KeyError:
+            self.session.navigate_to("./login")
+            return
+
+        try:
+            await self.session[AccountingService].remove_balance(user.user_name, self.ticket_info.price, f"Ticketkauf - {self.ticket_info.category}")
+        except InsufficientFundsError:
+            self.purchase_in_process = False
+            self.purchase_status = ""
+            self.purchase_error_message = "Ungenügendes Guthaben!"
+            return
+
+        new_ticket = Ticket(category=self.ticket_info.category, purchase_date=datetime.now(), owner=user)
+        await new_ticket.save()
+        self.user_ticket = new_ticket
+        self.purchase_in_process = False
+        self.purchase_status = ""
+        self.sold_tickets = len(await Ticket.find_many(Ticket.category == self.ticket_info.category).to_list())
+
+
+    def build(self) -> Component:
+        ticket_owned_text = ""
+        if self.purchase_error_message:
+            button_row_content = Row(
+                Text(self.purchase_error_message, justify="center", margin=0.5, fill=self.session.theme.danger_color, overflow="wrap"),
+            )
+        elif self.purchase_in_process:
+            button_row_content = Row(
+                Text(self.purchase_status, justify="center", margin=0.5, overflow="wrap")
+            )
+        else:
+            if self.user_ticket:
+                button_row_content = Tooltip(anchor=ElmButton(text="Kaufen", is_disabled=True), tip="Du hast bereits ein Ticket")
+                ticket_owned_text = "Du besitzt dieses Ticket!" if self.user_ticket.category ==  self.ticket_info.category else ""
+            elif self.is_logged_in():
+                if self.ticket_state == TicketState.UNAVAILABLE:
+                    button_row_content = Tooltip(anchor=ElmButton(text="Kaufen", is_disabled=True), tip="Aktuell nicht verfügbar")
+                elif self.ticket_state == TicketState.SOLD_OUT:
+                    button_row_content = Tooltip(anchor=ElmButton(text="Kaufen", is_disabled=True), tip="Ausverkauft")
+                elif self.ticket_state == TicketState.AVAILABLE:
+                    button_row_content = ElmButton(text="Kaufen", on_press=self.buy_ticket)
+                else:
+                    button_row_content = Tooltip(anchor=ElmButton(text="Kaufen", is_disabled=True), tip="Entwickler hauen!")
+            else:
+                button_row_content = ElmButton(text="Kaufen", on_press=lambda: self.session.navigate_to("./login"))
+        return Column(
+            Rectangle(
+                content=Column(
+                    Rectangle(
+                        content=Rectangle(
+                            content=Row(
+                                Text(self.ticket_info.description, margin=0.5, selectable=False, overflow="wrap", grow_x=True),
+                                Text(self.session[AccountingService].make_euro_string_from_decimal(self.ticket_info.price), justify="right", margin_right=0.5, fill=self.session.theme.warning_color)
+                            ),
+                            fill=self.session.theme.header_box_background_color,
+                            margin=0.4
+                        ),
+                        stroke_width=0.1,
+                        stroke_color=self.session.theme.box_border_color,
+                    ),
+                    Column(
+                        Text(self.ticket_info.additional_info, overflow="wrap", margin_bottom=1),
+                        Text(ticket_owned_text, margin_bottom=3, overflow="wrap", fill=self.session.theme.success_color),
+                        Row(Text("Verfügbar:", font_size=0.8 if self.session.is_mobile() else 1), Text(f"{self.get_available_tickets()} / {self.ticket_info.total_tickets}", justify="right", font_size=0.8 if self.session.is_mobile() else 1)),
+                        ProgressBar(progress=self.get_available_tickets() / self.ticket_info.total_tickets, min_height=1),
+                        button_row_content,
+                        margin=1,
+                        spacing=1
+                    ),
+                    Spacer()
+                ),
+                fill=self.session.theme.box_color,
+                stroke_width=0.1,
+                stroke_color=self.session.theme.box_border_color
+            ),
+            Spacer()
+        )

src/elm/components/ElmButton.py

@@ -17,8 +17,11 @@ class ElmButton(Component):
     style: Literal["small", "normal"] = "normal"
     wrap: bool = False
     is_loading: bool = False
+    is_disabled: bool = False
 
     async def _on_press(self, event: PointerEvent) -> None:
+        if self.is_disabled:
+            return
         if iscoroutinefunction(self.on_press):
             await self.on_press()
         else:
@@ -54,10 +57,10 @@ class ElmButton(Component):
                 stroke_width=0.1,
                 stroke_color=self.session.theme.secondary_color,
                 hover_stroke_width=0.1,
-                hover_stroke_color=self.session.theme.hud_color,
+                hover_stroke_color=self.session.theme.secondary_color if self.is_disabled else self.session.theme.hud_color,
-                hover_fill=self.session.theme.hud_color,
+                hover_fill=Color.TRANSPARENT if self.is_disabled else self.session.theme.hud_color,
                 transition_time=0,
-                cursor="pointer"
+                cursor="not-allowed" if self.is_disabled else "pointer"
             ),
             on_press=self._on_press
         )

src/elm/components/__init__.py

@@ -6,3 +6,4 @@ from .ElmButton import ElmButton
 from .AvatarEditBox import AvatarEditBox
 from .AccountInfoBox import AccountInfoBox
 from .PersonalInfoBox import PersonalInfoBox
+from .BuyTicketBox import BuyTicketBox

src/elm/pages/TicketsPage.py

@@ -1,67 +1,17 @@
 from __future__ import annotations
 
-from rio import Component, Column, Row, Text, Spacer, page, Color, TextStyle, Rectangle, TextInput, ProgressBar, Dict
+from rio import Component, Column, Row, page
-from rio.event import on_populate
-
-from elm.services import ConfigurationService, AccountingService
-from elm.components import LanCountdownBox, LanInfoBox, LandingPageBoxFull, LandingPageBoxHalf, ElmButton
-from elm.types import Ticket
 
+from elm.services import ConfigurationService
+from elm.components import BuyTicketBox
 
 @page(name="Tickets", url_segment="tickets")
 class TicketsPage(Component):
-    sold_tickets_by_category: Dict[str, int] = Dict()
-
-    """
-    ToDo: Implement conditional ticket buying (check login!)
-    """
-
-    @on_populate
-    async def on_populate(self) -> None:
-        for ticket_info in self.session[ConfigurationService].get_ticket_info():
-            self.sold_tickets_by_category[ticket_info.category] = len(await Ticket.find_many(Ticket.category == ticket_info.category).to_list())
-
-    def get_available_tickets_by_category(self, category: str, total_tickets: int) -> int:
-        return total_tickets - self.sold_tickets_by_category.get(category, 0)
-
     def build(self) -> Component:
         row_col = Column if self.session.is_mobile() else Row
         ticket_boxes = []
         for ticket_info in self.session[ConfigurationService].get_ticket_info():
-            ticket_boxes.append(
+            ticket_boxes.append(BuyTicketBox(ticket_info=ticket_info))
-                Column(
-                    Rectangle(
-                        content=Column(
-                            Rectangle(
-                                content=Rectangle(
-                                    content=Row(
-                                        Text(ticket_info.description, margin=0.5, selectable=False, overflow="wrap", grow_x=True),
-                                        Text(self.session[AccountingService].make_euro_string_from_decimal(ticket_info.price), justify="right", margin_right=0.5, fill=self.session.theme.warning_color)
-                                    ),
-                                    fill=self.session.theme.header_box_background_color,
-                                    margin=0.4
-                                ),
-                                stroke_width=0.1,
-                                stroke_color=self.session.theme.box_border_color,
-                            ),
-                            Column(
-                                Text(ticket_info.additional_info, overflow="wrap", margin_bottom=1),
-                                Text("Du besitzt dieses Ticket!", margin_bottom=3, overflow="wrap", fill=self.session.theme.success_color),
-                                Row(Text("Verfügbar:", font_size=0.8 if self.session.is_mobile() else 1), Text(f"{self.get_available_tickets_by_category(ticket_info.category, ticket_info.total_tickets)} / {ticket_info.total_tickets}", justify="right", font_size=0.8 if self.session.is_mobile() else 1)),
-                                ProgressBar(progress=self.get_available_tickets_by_category(ticket_info.category, ticket_info.total_tickets) / ticket_info.total_tickets, min_height=1),
-                                ElmButton(text="Kaufen"),
-                                margin=1,
-                                spacing=1
-                            ),
-                            Spacer()
-                        ),
-                        fill=self.session.theme.box_color,
-                        stroke_width=0.1,
-                        stroke_color=self.session.theme.box_border_color
-                    ),
-                    Spacer()
-                )
-            )
 
         return row_col(
             *ticket_boxes,

src/elm/services/ConfigurationService.py

@@ -54,7 +54,8 @@ class ConfigurationService:
                 total_tickets=self._config["tickets"][value]["total_tickets"],
                 price=Decimal(self._config["tickets"][value]["price"]),
                 description=self._config["tickets"][value]["description"],
-                additional_info=self._config["tickets"][value]["additional_info"]
+                additional_info=self._config["tickets"][value]["additional_info"],
+                can_be_sold=self._config["tickets"][value]["can_be_sold"]
             ) for value in self._config["tickets"]])
         except KeyError as e:
             logger.debug(e)

src/elm/types/ConfigurationTypes.py

@@ -54,3 +54,4 @@ class TicketInfo:
     price: Decimal
     description: str
     additional_info: str
+    can_be_sold: bool

src/elm/types/Ticket.py

@@ -1,10 +1,16 @@
 from datetime import datetime
+from enum import Enum
 from typing import Optional
 
 from beanie import Document, Link
 
 from elm.types import User
 
+class TicketState(Enum):
+    AVAILABLE = 1
+    SOLD_OUT = 2
+    UNAVAILABLE = 3
+
 
 class Ticket(Document):
     category: str

src/elm/types/__init__.py

@@ -2,4 +2,4 @@ from .User import User
 from .UserSession import UserSession
 from .ConfigurationTypes import *
 from .Transaction import Transaction
-from .Ticket import Ticket
+from .Ticket import Ticket, TicketState