feat: Added database utility functions

app/__main__.py

@@ -4,16 +4,76 @@ Entrypoint pour lancer l'application en dev.
 Usage:
     python3 -m app
 """
-
+import argparse
 import uvicorn
 from app.main import app
 from app.core.config import settings
 
+def build_parser() -> argparse.ArgumentParser:
+    parser = argparse.ArgumentParser(
+        description="MokPyo API",
+    )
+
+    # Option booléenne (type flag)
+    parser.add_argument(
+        "--init-db",
+        action="store_true",
+        help="Initialiser la base de données. Première exécution uniquement."
+    )
+
+    parser.add_argument(
+        "--reset",
+        action="store_true",
+        help="Vide les tables de la base de données (lignes uniquement). Pas besoin de --init-db au prochain lancement."
+    )
+
+    
+    parser.add_argument(
+        "--clear", 
+        action="store_true",
+        help="Vide la base de données (lignes et tables). besoin de --init-db au prochain lancement."
+    )
+
+    parser.add_argument(
+        "--host",
+        type=str,
+        default=settings.HOST,
+        help="Host sur lequel l'application va tourner. Override le host de configuration."
+    )
+
+    parser.add_argument(
+        "--port",
+        type=int,
+        default=settings.PORT,
+        help="Port sur lequel l'application va tourner. Override le port de configuration."
+    )
+
+    return parser
+
 if __name__ == "__main__":
+
+    parser = build_parser()
+    args = parser.parse_args()
+
+    if args.init_db:
+        from app.db.utils import init_db
+        init_db()
+        exit()
+
+    if args.reset:
+        from app.db.utils import reset_db
+        reset_db()
+        exit()
+
+    if args.clear:
+        from app.db.utils import clear_db
+        clear_db()
+        exit()
+
     uvicorn.run(
         "app.main:app",
-        host=settings.HOST,
-        port=settings.PORT,
+        host=args.host,
+        port=args.port,
         reload=settings.ENV == "dev",
         log_level=settings.LOG_LEVEL.lower(),
     )

app/db/utils.py

@@ -0,0 +1,49 @@
+from app.db.engine import engine
+from app.db.session import SessionLocal
+from app.db.models import *
+from app.core.config import settings
+
+def init_db():
+    try:
+        if settings.DEBUG:
+            print("Creating database tables...")
+        Base.metadata.create_all(bind=engine)
+        if settings.DEBUG:
+            print("Database tables created.")
+    except Exception as e:
+        print(f"Error creating database tables: {e}")
+        raise
+    finally:
+        if settings.DEBUG:
+            print("Tables :", Base.metadata.tables.keys())
+
+
+def clear_db():
+    try:
+        if settings.DEBUG:
+            print("Deleting database tables...")
+        Base.metadata.drop_all(bind=engine)
+        if settings.DEBUG:
+            print("Database tables deleted.")
+    except Exception as e:
+        print(f"Error deleting database tables: {e}")
+        raise
+
+def reset_db():
+    session = SessionLocal()
+    try:
+        if settings.DEBUG:
+            print("Deleting database rows...")
+        
+        for table in reversed(Base.metadata.sorted_tables):
+            session.execute(table.delete())
+        session.commit()
+
+        if settings.DEBUG:
+            print("Database rows deleted.")
+    except Exception as e:
+        print(f"Error deleting database rows: {e}")
+        raise
+    finally:
+        session.close()
+