sync

backend/alembic/env.py

@@ -0,0 +1,56 @@
+from logging.config import fileConfig
+from sqlalchemy import engine_from_config, pool
+from sqlalchemy.ext.asyncio import AsyncEngine
+from alembic import context
+import sys
+import os
+
+# Add app directory to path
+sys.path.append(os.getcwd())
+
+# Import base and models
+from app.models import Base
+from app.database import DATABASE_URL
+
+config = context.config
+fileConfig(config.config_file_name)
+
+target_metadata = Base.metadata
+
+def run_migrations_offline():
+    """Run migrations in 'offline' mode."""
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+def run_migrations_online():
+    """Run migrations in 'online' mode."""
+    connectable = AsyncEngine(
+        engine_from_config(
+            config.get_section(config.config_ini_section),
+            prefix="sqlalchemy.",
+            poolclass=pool.NullPool,
+            future=True,
+            url=DATABASE_URL,
+        )
+    )
+
+    async with connectable.connect() as connection:
+        await connection.run_sync(do_run_migrations)
+
+async def do_run_migrations(connection):
+    context.configure(connection=connection, target_metadata=target_metadata)
+    await connection.run_sync(context.run_migrations)
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    import asyncio
+    asyncio.run(run_migrations_online())

backend/alembic/script.py.mako

@@ -0,0 +1,25 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}