add NewsService

src/ez_lan_manager/services/AccountingService.py

@@ -2,7 +2,6 @@ import logging
 from datetime import datetime
 
 from src.ez_lan_manager.services.DatabaseService import DatabaseService
-from src.ez_lan_manager.services.UserService import UserService
 from src.ez_lan_manager.types.Transaction import Transaction
 
 logger = logging.getLogger(__name__.split(".")[-1])
@@ -11,9 +10,8 @@ class InsufficientFundsError(Exception):
     pass
 
 class AccountingService:
-    def __init__(self, db_service: DatabaseService, user_service: UserService) -> None:
+    def __init__(self, db_service: DatabaseService) -> None:
         self._db_service = db_service
-        self._user_service = user_service
 
     def add_balance(self, user_id: int, balance_to_add: int, reference: str) -> int:
         self._db_service.add_transaction(Transaction(

src/ez_lan_manager/services/DatabaseService.py

@@ -1,11 +1,13 @@
 import logging
 import sys
+from datetime import date
 from typing import Optional
 
 import mariadb
 from mariadb import Cursor
 
 from src.ez_lan_manager.types.ConfigurationTypes import DatabaseConfiguration
+from src.ez_lan_manager.types.News import News
 from src.ez_lan_manager.types.Transaction import Transaction
 from src.ez_lan_manager.types.User import User
 
@@ -142,3 +144,37 @@ class DatabaseService:
                 reference=transaction_raw[5]
             ))
         return transactions
+
+    def add_news(self, news: News) -> None:
+        cursor = self._get_cursor()
+        try:
+            cursor.execute(
+                "INSERT INTO news (news_content, news_title, news_subtitle, news_author, news_date) "
+                "VALUES (?, ?, ?, ?, ?)",
+                (news.content, news.title, news.subtitle, news.author.user_id, news.news_date)
+            )
+            self._connection.commit()
+        except Exception as e:
+            logger.warning(f"Error adding Transaction: {e}")
+
+    def get_news(self, dt_start: date, dt_end: date) -> list[News]:
+        results = []
+        cursor = self._get_cursor()
+        try:
+            cursor.execute("SELECT * FROM news INNER JOIN users ON news.news_author = users.user_id WHERE news_date BETWEEN ? AND ?;", (dt_start, dt_end))
+        except Exception as e:
+            logger.warning(f"Error fetching news: {e}")
+            return []
+
+        for news_raw in cursor.fetchall():
+            user = self._map_db_result_to_user(news_raw[6:])
+            results.append(News(
+                news_id=news_raw[0],
+                title=news_raw[2],
+                subtitle=news_raw[3],
+                author=user,
+                content=news_raw[1],
+                news_date=news_raw[5]
+            ))
+
+        return results

src/ez_lan_manager/services/NewsService.py

@@ -0,0 +1,31 @@
+import logging
+from datetime import date, datetime
+from typing import Optional
+
+from src.ez_lan_manager.services.DatabaseService import DatabaseService
+from src.ez_lan_manager.types.News import News
+
+logger = logging.getLogger(__name__.split(".")[-1])
+
+class NewsService:
+    def __init__(self, db_service: DatabaseService) -> None:
+        self._db_service = db_service
+
+    def add_news(self, news: News) -> None:
+        if news.news_id is not None:
+            logger.warning("Can not add news with ID, ignoring...")
+            return
+        self._db_service.add_news(news)
+
+    def get_news(self, dt_start: Optional[date] = None, dt_end: Optional[date] = None) -> list[News]:
+        if not dt_end:
+            dt_end = date.today()
+        if not dt_start:
+            dt_start = date(1900, 1, 1)
+        return self._db_service.get_news(dt_start, dt_end)
+
+    def get_latest_news(self) -> Optional[News]:
+        try:
+            return self.get_news(None, date.today())[0]
+        except IndexError:
+            logger.debug("There are no news to fetch")

src/ez_lan_manager/types/News.py

@@ -0,0 +1,15 @@
+from dataclasses import dataclass
+from datetime import date
+from typing import Optional
+
+from src.ez_lan_manager.types.User import User
+
+
+@dataclass(frozen=True)
+class News:
+    news_id: Optional[int]
+    title: str
+    subtitle: str
+    content: str
+    author: User
+    news_date: date