add LAN Info config and TicketingService Boilerplate

config/config.example.toml

@@ -1,3 +1,11 @@
+[lan]
+    name="EZ LAN"
+    iteration="0.5"
+    tickets={ "LUXUS" = 40, "NORMAL" = 10  }
+    prices={ "LUXUS" = 3000, "NORMAL" = 2500  }  # Eurocent
+    date_from="2024-10-30 15:00:00"
+    date_till="2024-11-01 12:00:00"
+
 [database]
     db_user="demo_user"
     db_password="demo_password"

src/ez_lan_manager/services/ConfigurationService.py

@@ -1,9 +1,10 @@
 import sys
+from datetime import datetime
 from pathlib import Path
 import logging
 import tomllib
 
-from src.ez_lan_manager.types.ConfigurationTypes import DatabaseConfiguration, MailingServiceConfiguration
+from src.ez_lan_manager.types.ConfigurationTypes import DatabaseConfiguration, MailingServiceConfiguration, LanInfo, TicketInfo
 
 logger = logging.getLogger(__name__.split(".")[-1])
 
@@ -33,14 +34,33 @@ class ConfigurationService:
 
     def get_mailing_service_configuration(self) -> MailingServiceConfiguration:
         try:
-            database_configuration = self._config["mailing"]
+            mailing_configuration = self._config["mailing"]
             return MailingServiceConfiguration(
-                smtp_server=database_configuration["smtp_server"],
-                smtp_port=database_configuration["smtp_port"],
-                sender=database_configuration["sender"],
-                username=database_configuration["username"],
-                password=database_configuration["password"]
+                smtp_server=mailing_configuration["smtp_server"],
+                smtp_port=mailing_configuration["smtp_port"],
+                sender=mailing_configuration["sender"],
+                username=mailing_configuration["username"],
+                password=mailing_configuration["password"]
             )
         except KeyError:
             logger.fatal("Error loading MailingServiceConfiguration, exiting...")
             sys.exit(1)
+
+    def get_lan_info(self) -> LanInfo:
+        try:
+            lan_info = self._config["lan"]
+            ticket_info = TicketInfo(
+                categories=list(lan_info["tickets"].keys()),
+                _prices=lan_info["prices"],
+                _available_tickets=lan_info["tickets"]
+            )
+            return LanInfo(
+                name=lan_info["name"],
+                iteration=lan_info["iteration"],
+                ticket_info=ticket_info,
+                date_from=datetime.strptime(lan_info["date_from"], "%Y-%m-%d %H:%M:%S"),
+                date_till=datetime.strptime(lan_info["date_till"], "%Y-%m-%d %H:%M:%S")
+            )
+        except KeyError:
+            logger.fatal("Error loading LAN Info, exiting...")
+            sys.exit(1)

src/ez_lan_manager/services/TicketingService.py

@@ -0,0 +1,7 @@
+import logging
+
+logger = logging.getLogger(__name__.split(".")[-1])
+
+class TicketingService:
+    def __init__(self) -> None:
+        pass

src/ez_lan_manager/types/ConfigurationTypes.py

@@ -1,4 +1,8 @@
 from dataclasses import dataclass
+from datetime import datetime
+
+class NoSuchCategoryError(Exception):
+    pass
 
 @dataclass(frozen=True)
 class DatabaseConfiguration:
@@ -8,6 +12,24 @@ class DatabaseConfiguration:
     db_port: int
     db_name: str
 
+@dataclass(frozen=True)
+class TicketInfo:
+    categories: list[str]
+    _prices: dict[str, int]
+    _available_tickets: dict[str, int]
+
+    def get_price(self, category: str) -> int:
+        try:
+            return self._prices[category]
+        except KeyError:
+            raise NoSuchCategoryError
+
+    def get_available_tickets(self, category: str) -> int:
+        try:
+            return self._available_tickets[category]
+        except KeyError:
+            raise NoSuchCategoryError
+
 @dataclass(frozen=True)
 class MailingServiceConfiguration:
     smtp_server: str
@@ -15,3 +37,11 @@ class MailingServiceConfiguration:
     sender: str
     username: str
     password: str
+
+@dataclass(frozen=True)
+class LanInfo:
+    name: str
+    iteration: str
+    ticket_info: TicketInfo
+    date_from: datetime
+    date_till: datetime