Initial release

backend/alembic/env.py

@@ -0,0 +1,52 @@
+import asyncio
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy.ext.asyncio import AsyncEngine, create_async_engine
+
+from app.core.config import settings
+from app.models import Base  # noqa: F401 - registers all models
+
+config = context.config
+
+# Use the app's database URL (swap driver for sync alembic operations)
+db_url = settings.database_url
+
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+target_metadata = Base.metadata
+
+
+def run_migrations_offline() -> None:
+    context.configure(
+        url=db_url.replace("+asyncpg", ""),
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def do_run_migrations(connection) -> None:
+    context.configure(connection=connection, target_metadata=target_metadata)
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+async def run_async_migrations() -> None:
+    engine: AsyncEngine = create_async_engine(db_url)
+    async with engine.connect() as connection:
+        await connection.run_sync(do_run_migrations)
+    await engine.dispose()
+
+
+def run_migrations_online() -> None:
+    asyncio.run(run_async_migrations())
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()