chrysopedia/alembic/versions/031_add_chat_usage_log.py
jlightner a5d3af55ca feat: Built Redis sliding-window rate limiter, ChatUsageLog model with…
- "backend/rate_limiter.py"
- "backend/models.py"
- "backend/routers/chat.py"
- "backend/chat_service.py"
- "backend/config.py"
- "alembic/versions/031_add_chat_usage_log.py"

GSD-Task: S04/T01
2026-04-04 13:36:29 +00:00

40 lines
1.5 KiB
Python

"""add_chat_usage_log
Revision ID: 031_chat_usage_log
Revises: 030_onboarding
Create Date: 2026-04-04
"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import UUID
# revision identifiers
revision = "031_chat_usage_log"
down_revision = "030_onboarding"
branch_labels = None
depends_on = None
def upgrade() -> None:
op.create_table(
"chat_usage_log",
sa.Column("id", UUID(as_uuid=True), primary_key=True, server_default=sa.func.gen_random_uuid()),
sa.Column("user_id", UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
sa.Column("client_ip", sa.String(45), nullable=True),
sa.Column("creator_slug", sa.String(255), nullable=True),
sa.Column("query", sa.Text(), nullable=False),
sa.Column("prompt_tokens", sa.Integer(), nullable=False, server_default="0"),
sa.Column("completion_tokens", sa.Integer(), nullable=False, server_default="0"),
sa.Column("total_tokens", sa.Integer(), nullable=False, server_default="0"),
sa.Column("cascade_tier", sa.String(50), nullable=True),
sa.Column("model", sa.String(100), nullable=True),
sa.Column("latency_ms", sa.Float(), nullable=True),
sa.Column("created_at", sa.DateTime(), nullable=False, server_default=sa.func.now()),
)
op.create_index("ix_chat_usage_log_created_at", "chat_usage_log", ["created_at"])
def downgrade() -> None:
op.drop_index("ix_chat_usage_log_created_at", table_name="chat_usage_log")
op.drop_table("chat_usage_log")