From 113e0229672c33954324815cf67c17167dc04728 Mon Sep 17 00:00:00 2001
From: 283375 <bilibili283375@163.com>
Date: Sat, 31 May 2025 10:26:41 +0800
Subject: [PATCH] feat(db): alembic init

---
 .../database/migrations/README.md             |  1 +
 .../database/migrations/__init__.py           |  0
 src/arcaea_offline/database/migrations/env.py | 82 +++++++++++++++++++
 .../database/migrations/script.py.mako        | 26 ++++++
 .../database/migrations/versions/__init__.py  |  0
 5 files changed, 109 insertions(+)
 create mode 100644 src/arcaea_offline/database/migrations/README.md
 create mode 100644 src/arcaea_offline/database/migrations/__init__.py
 create mode 100644 src/arcaea_offline/database/migrations/env.py
 create mode 100644 src/arcaea_offline/database/migrations/script.py.mako
 create mode 100644 src/arcaea_offline/database/migrations/versions/__init__.py

diff --git a/src/arcaea_offline/database/migrations/README.md b/src/arcaea_offline/database/migrations/README.md
new file mode 100644
index 0000000..2500aa1
--- /dev/null
+++ b/src/arcaea_offline/database/migrations/README.md
@@ -0,0 +1 @@
+Generic single-database configuration.
diff --git a/src/arcaea_offline/database/migrations/__init__.py b/src/arcaea_offline/database/migrations/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/arcaea_offline/database/migrations/env.py b/src/arcaea_offline/database/migrations/env.py
new file mode 100644
index 0000000..2138691
--- /dev/null
+++ b/src/arcaea_offline/database/migrations/env.py
@@ -0,0 +1,82 @@
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy import engine_from_config, pool
+
+from arcaea_offline.database.models.base import ModelsV5Base
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+target_metadata = [ModelsV5Base.metadata]
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+        render_as_batch=True,
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata,
+            render_as_batch=True,
+            transaction_per_migration=True,
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()
diff --git a/src/arcaea_offline/database/migrations/script.py.mako b/src/arcaea_offline/database/migrations/script.py.mako
new file mode 100644
index 0000000..fbc4b07
--- /dev/null
+++ b/src/arcaea_offline/database/migrations/script.py.mako
@@ -0,0 +1,26 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision: str = ${repr(up_revision)}
+down_revision: Union[str, None] = ${repr(down_revision)}
+branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
+depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
+
+
+def upgrade() -> None:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}
diff --git a/src/arcaea_offline/database/migrations/versions/__init__.py b/src/arcaea_offline/database/migrations/versions/__init__.py
new file mode 100644
index 0000000..e69de29