add Mailing Service

config/config.example.toml

@@ -4,3 +4,10 @@
     db_host="127.0.0.1"
     db_port=3306
     db_name="ez_lan_manager"
+
+[mailing]
+    smtp_server=""
+    smtp_port=587
+    sender=""
+    username=""
+    password=""

src/EzLanManager.py

@@ -9,6 +9,7 @@ from src.ez_lan_manager.services.DatabaseService import DatabaseService
 
 from random import randint
 
+from src.ez_lan_manager.services.MailingService import MailingService
 from src.ez_lan_manager.services.NewsService import NewsService
 from src.ez_lan_manager.services.UserService import UserService
 from src.ez_lan_manager.types.News import News
@@ -25,7 +26,12 @@ if __name__ == "__main__":
     user_service = UserService(db_service)
     accounting_service = AccountingService(db_service)
     news_service = NewsService(db_service)
-    print(news_service.get_latest_news())
+    mailing_service = MailingService(configuration_service.get_mailing_service_configuration())
+    #mailing_service.send_email("Hallo von EZ LAN Mananger", "Grüße :)", "davidr.develop@gmail.com")
+
+
+    #user_service.create_user("Alex", "alex@gmail.com", "MeinPasswort")
+    #print(user_service.is_login_valid("Alex@gmail.com", "MeinPasswort"))
 
     # news_service.add_news(News(
     #     news_id=None,

src/ez_lan_manager/services/ConfigurationService.py

@@ -3,7 +3,7 @@ from pathlib import Path
 import logging
 import tomllib
 
-from src.ez_lan_manager.types.ConfigurationTypes import DatabaseConfiguration
+from src.ez_lan_manager.types.ConfigurationTypes import DatabaseConfiguration, MailingServiceConfiguration
 
 logger = logging.getLogger(__name__.split(".")[-1])
 
@@ -29,3 +29,18 @@ class ConfigurationService:
         except KeyError:
             logger.fatal("Error loading DatabaseConfiguration, exiting...")
             sys.exit(1)
+
+
+    def get_mailing_service_configuration(self) -> MailingServiceConfiguration:
+        try:
+            database_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"]
+            )
+        except KeyError:
+            logger.fatal("Error loading MailingServiceConfiguration, exiting...")
+            sys.exit(1)

src/ez_lan_manager/services/MailingService.py

@@ -0,0 +1,30 @@
+import logging
+from email.mime.multipart import MIMEMultipart
+from email.mime.text import MIMEText
+from smtplib import SMTP
+
+from src.ez_lan_manager.types.ConfigurationTypes import MailingServiceConfiguration
+
+logger = logging.getLogger(__name__.split(".")[-1])
+
+class MailingService:
+    def __init__(self, configuration: MailingServiceConfiguration):
+        self._config = configuration
+
+    def send_email(self, subject: str, body: str, receiver: str) -> None:
+        # ToDo: Check with Rio/FastAPI if this needs to be ASYNC
+        try:
+            msg = MIMEMultipart()
+            msg['From'] = self._config.sender
+            msg['To'] = receiver
+            msg['Subject'] = subject
+
+            msg.attach(MIMEText(body, 'plain'))
+
+            with SMTP(self._config.smtp_server, self._config.smtp_port) as server:
+                server.starttls()
+                server.login(self._config.username, self._config.password)
+                server.sendmail(self._config.sender, receiver, msg.as_string())
+
+        except Exception as e:
+            logger.error(f"Failed to send email: {e}")

src/ez_lan_manager/types/ConfigurationTypes.py

@@ -7,3 +7,11 @@ class DatabaseConfiguration:
     db_host: str
     db_port: int
     db_name: str
+
+@dataclass(frozen=True)
+class MailingServiceConfiguration:
+    smtp_server: str
+    smtp_port: int
+    sender: str
+    username: str
+    password: str