Initial

main.py

@@ -1,4 +1,18 @@
+from typing import Any, AsyncGenerator
+
 from litestar import Litestar, get
+from litestar.contrib.sqlalchemy.plugins import SQLAlchemyAsyncConfig, SQLAlchemyPlugin
+from litestar.exceptions import ClientException
+from litestar.openapi import OpenAPIConfig
+from litestar.status_codes import HTTP_409_CONFLICT
+from sqlalchemy import select
+from sqlalchemy.engine import URL
+from sqlalchemy.exc import IntegrityError
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker
+
+from service.orm.machine import MachineORM
+
+sessionmaker = async_sessionmaker(expire_on_commit=False)
 
 
 @get("/")
@@ -6,4 +20,56 @@ async def hello_world() -> str:
     return "Hello, world!"
 
 
-app = Litestar([hello_world])
+async def get_machine_list(session: AsyncSession) -> list[MachineORM]:
+    query = select(MachineORM)
+    # if done is not None:
+    #     query = query.where(MachineORM.done.is_(done))
+
+    result = await session.execute(query)
+    return result.scalars().all()
+
+
+def serialize_todo(machine: MachineORM) -> dict[str, Any]:
+    return {"id": machine.id, "caption": machine.caption}
+
+
+@get("/machines")
+async def get_machines(transaction: AsyncSession) -> list[dict[str, Any]]:
+    return [serialize_todo(todo) for todo in await get_machine_list(transaction)]
+
+
+async def provide_transaction(
+    db_session: AsyncSession,
+) -> AsyncGenerator[AsyncSession, None]:
+    print("AAAAAAAAAAAAAAAAAA")
+    try:
+        async with db_session.begin():
+            yield db_session
+    except IntegrityError as exc:
+        raise ClientException(
+            status_code=HTTP_409_CONFLICT,
+            detail=str(exc),
+        ) from exc
+
+
+db_connection_string = URL.create(
+    drivername="postgresql+asyncpg",
+    username="televend",
+    password="televend",
+    host="localhost",
+    port=5433,
+    database="televend",
+)
+
+db_config = SQLAlchemyAsyncConfig(
+    connection_string=db_connection_string.render_as_string(hide_password=False)
+)
+
+
+app = Litestar(
+    route_handlers=[hello_world, get_machines],
+    openapi_config=OpenAPIConfig(title="My API", version="1.0.0"),
+    dependencies={"transaction": provide_transaction},
+    plugins=[SQLAlchemyPlugin(db_config)],
+    debug=True,
+)