Initialize database stuff & setup didier

database/engine.py

@@ -0,0 +1,22 @@
+from urllib.parse import quote_plus
+
+from sqlalchemy.engine import URL
+from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
+from sqlalchemy.orm import sessionmaker
+
+import settings
+
+encoded_password = quote_plus(settings.DB_PASSWORD)
+engine = create_async_engine(
+    URL.create(
+        drivername="postgresql+asyncpg",
+        username=settings.DB_USERNAME,
+        password=encoded_password,
+        host=settings.DB_HOST,
+        port=settings.DB_PORT,
+        database=settings.DB_NAME,
+    ),
+    pool_pre_ping=True,
+)
+
+DBSession = sessionmaker(autocommit=False, autoflush=False, bind=engine, class_=AsyncSession, expire_on_commit=False)

database/models.py

@@ -0,0 +1,5 @@
+from __future__ import annotations
+
+from sqlalchemy.orm import declarative_base
+
+Base = declarative_base()