siftlode/backend/alembic/versions/0004_feed_state_prefs.py

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"""user preferences + per-user video watch state
Revision ID: 0004_feed_state_prefs
Revises: 0003_tags
Create Date: 2026-06-11
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
revision: str = "0004_feed_state_prefs"
down_revision: Union[str, None] = "0003_tags"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
op.add_column("users", sa.Column("preferences", sa.JSON(), nullable=True))
op.create_table(
"video_states",
sa.Column("id", sa.Integer(), primary_key=True),
sa.Column(
"user_id",
sa.Integer(),
sa.ForeignKey("users.id", ondelete="CASCADE"),
nullable=False,
),
sa.Column(
"video_id",
sa.String(length=16),
sa.ForeignKey("videos.id", ondelete="CASCADE"),
nullable=False,
),
sa.Column("status", sa.String(length=12), nullable=False, server_default="new"),
sa.Column("watched_at", sa.DateTime(timezone=True), nullable=True),
sa.Column(
"updated_at",
sa.DateTime(timezone=True),
server_default=sa.func.now(),
nullable=False,
),
sa.UniqueConstraint("user_id", "video_id", name="uq_user_video"),
)
op.create_index("ix_video_states_user_id", "video_states", ["user_id"])
op.create_index("ix_video_states_video_id", "video_states", ["video_id"])
def downgrade() -> None:
op.drop_table("video_states")
op.drop_column("users", "preferences")