feat(db): new model VersionDate

src/arcaea_offline/database/migrations/versions/f82ac2f445a5_version_date.py

@@ -0,0 +1,31 @@
+"""version date
+
+Revision ID: f82ac2f445a5
+Revises: 0ca6733e40dc
+Create Date: 2025-07-19 17:11:27.448574
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "f82ac2f445a5"
+down_revision: Union[str, None] = "0ca6733e40dc"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "version_date",
+        sa.Column("version", sa.String(), nullable=False),
+        sa.Column("songlist_at", sa.DateTime(), nullable=False),
+        sa.Column("published_at", sa.DateTime(), nullable=False),
+        sa.PrimaryKeyConstraint("version", name=op.f("pk_version_date")),
+    )
+
+
+def downgrade() -> None:
+    op.drop_table("version_date")

src/arcaea_offline/database/models/__init__.py

@@ -4,6 +4,7 @@ from .config import Property
 from .difficulty import Difficulty, DifficultyLocalization
 from .pack import Pack, PackLocalization
 from .song import Song, SongLocalization
+from .version_date import VersionDate
 
 from .chart import Chart  # isort: skip
 from .play_result import (
@@ -29,4 +30,5 @@ __all__ = [
     "Property",
     "Song",
     "SongLocalization",
+    "VersionDate",
 ]

src/arcaea_offline/database/models/version_date.py

@@ -0,0 +1,15 @@
+from datetime import datetime
+
+from sqlalchemy.orm import Mapped, mapped_column
+
+from arcaea_offline.utils import Version
+
+from ._base import ModelBase, ReprHelper
+
+
+class VersionDate(ModelBase, ReprHelper):
+    __tablename__ = "version_date"
+
+    version: Mapped[Version] = mapped_column(primary_key=True)
+    songlist_at: Mapped[datetime]
+    published_at: Mapped[datetime]