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tp-ems/backend/alembic/versions/005_quota_tables.py
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Python

"""Add quota tables
Revision ID: 005_quota
Revises: 004_charging
Create Date: 2026-04-03
"""
from alembic import op
import sqlalchemy as sa
revision = "005_quota"
down_revision = "004_charging"
branch_labels = None
depends_on = None
def upgrade() -> None:
# --- energy_quotas ---
op.create_table(
"energy_quotas",
sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
sa.Column("name", sa.String(200), nullable=False),
sa.Column("target_type", sa.String(50), nullable=False),
sa.Column("target_id", sa.Integer, nullable=False),
sa.Column("energy_type", sa.String(50), nullable=False),
sa.Column("period", sa.String(20), nullable=False),
sa.Column("quota_value", sa.Float, nullable=False),
sa.Column("unit", sa.String(20), default="kWh"),
sa.Column("warning_threshold_pct", sa.Float, default=80),
sa.Column("alert_threshold_pct", sa.Float, default=95),
sa.Column("is_active", sa.Boolean, default=True),
sa.Column("created_by", sa.Integer, sa.ForeignKey("users.id")),
sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
)
# --- quota_usage ---
op.create_table(
"quota_usage",
sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
sa.Column("quota_id", sa.Integer, sa.ForeignKey("energy_quotas.id"), nullable=False),
sa.Column("period_start", sa.DateTime(timezone=True), nullable=False),
sa.Column("period_end", sa.DateTime(timezone=True), nullable=False),
sa.Column("actual_value", sa.Float, default=0),
sa.Column("quota_value", sa.Float, nullable=False),
sa.Column("usage_rate_pct", sa.Float, default=0),
sa.Column("status", sa.String(20), default="normal"),
sa.Column("calculated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
)
def downgrade() -> None:
op.drop_table("quota_usage")
op.drop_table("energy_quotas")