ems-core v1.0.0: Standard EMS platform core
Shared backend + frontend for multi-customer EMS deployments. - 12 enterprise modules: quota, cost, charging, maintenance, analysis, etc. - 120+ API endpoints, 37 database tables - Customer config mechanism (CUSTOMER env var + YAML config) - Collectors: Modbus TCP, MQTT, HTTP API, Sungrow iSolarCloud - Frontend: React 19 + Ant Design + ECharts + Three.js - Infrastructure: Redis cache, rate limiting, aggregation engine Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Du Wenbo
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backend/alembic/versions/004_charging_tables.py
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168
backend/alembic/versions/004_charging_tables.py
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"""Add charging tables
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Revision ID: 004_charging
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Revises: 003_energy_categories
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Create Date: 2026-04-03
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"""
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from alembic import op
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import sqlalchemy as sa
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revision = "004_charging"
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down_revision = "003_energy_categories"
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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# --- charging_merchants ---
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op.create_table(
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"charging_merchants",
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sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
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sa.Column("name", sa.String(200), nullable=False),
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sa.Column("contact_person", sa.String(100)),
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sa.Column("phone", sa.String(20)),
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sa.Column("email", sa.String(100)),
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sa.Column("address", sa.String(500)),
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sa.Column("business_license", sa.String(100)),
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sa.Column("status", sa.String(20), default="active"),
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sa.Column("settlement_type", sa.String(20)),
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sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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)
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# --- charging_brands ---
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op.create_table(
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"charging_brands",
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sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
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sa.Column("brand_name", sa.String(100), nullable=False),
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sa.Column("logo_url", sa.String(500)),
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sa.Column("country", sa.String(50)),
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sa.Column("description", sa.Text),
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sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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)
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# --- charging_stations ---
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op.create_table(
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"charging_stations",
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sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
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sa.Column("name", sa.String(200), nullable=False),
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sa.Column("merchant_id", sa.Integer, sa.ForeignKey("charging_merchants.id")),
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sa.Column("type", sa.String(50)),
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sa.Column("address", sa.String(500)),
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sa.Column("latitude", sa.Float),
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sa.Column("longitude", sa.Float),
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sa.Column("price", sa.Float),
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sa.Column("activity", sa.Text),
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sa.Column("status", sa.String(20), default="active"),
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sa.Column("total_piles", sa.Integer, default=0),
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sa.Column("available_piles", sa.Integer, default=0),
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sa.Column("total_power_kw", sa.Float, default=0),
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sa.Column("photo_url", sa.String(500)),
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sa.Column("operating_hours", sa.String(100)),
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sa.Column("created_by", sa.Integer, sa.ForeignKey("users.id")),
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sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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)
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# --- charging_piles ---
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op.create_table(
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"charging_piles",
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sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
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sa.Column("station_id", sa.Integer, sa.ForeignKey("charging_stations.id"), nullable=False),
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sa.Column("encoding", sa.String(100), unique=True),
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sa.Column("name", sa.String(200)),
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sa.Column("type", sa.String(50)),
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sa.Column("brand", sa.String(100)),
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sa.Column("model", sa.String(100)),
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sa.Column("rated_power_kw", sa.Float),
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sa.Column("connector_type", sa.String(50)),
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sa.Column("status", sa.String(20), default="active"),
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sa.Column("work_status", sa.String(20), default="offline"),
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sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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)
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# --- charging_price_strategies ---
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op.create_table(
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"charging_price_strategies",
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sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
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sa.Column("strategy_name", sa.String(200), nullable=False),
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sa.Column("station_id", sa.Integer, sa.ForeignKey("charging_stations.id")),
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sa.Column("bill_model", sa.String(20)),
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sa.Column("description", sa.Text),
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sa.Column("status", sa.String(20), default="inactive"),
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sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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)
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# --- charging_price_params ---
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op.create_table(
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"charging_price_params",
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sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
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sa.Column("strategy_id", sa.Integer, sa.ForeignKey("charging_price_strategies.id"), nullable=False),
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sa.Column("start_time", sa.String(10), nullable=False),
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sa.Column("end_time", sa.String(10), nullable=False),
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sa.Column("period_mark", sa.String(20)),
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sa.Column("elec_price", sa.Float, nullable=False),
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sa.Column("service_price", sa.Float, default=0),
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sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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)
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# --- charging_orders ---
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op.create_table(
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"charging_orders",
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sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
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sa.Column("order_no", sa.String(50), unique=True, nullable=False),
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sa.Column("user_id", sa.Integer),
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sa.Column("user_name", sa.String(100)),
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sa.Column("phone", sa.String(20)),
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sa.Column("station_id", sa.Integer, sa.ForeignKey("charging_stations.id")),
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sa.Column("station_name", sa.String(200)),
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sa.Column("pile_id", sa.Integer, sa.ForeignKey("charging_piles.id")),
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sa.Column("pile_name", sa.String(200)),
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sa.Column("start_time", sa.DateTime(timezone=True)),
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sa.Column("end_time", sa.DateTime(timezone=True)),
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sa.Column("car_no", sa.String(20)),
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sa.Column("car_vin", sa.String(50)),
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sa.Column("charge_method", sa.String(20)),
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sa.Column("settle_type", sa.String(20)),
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sa.Column("pay_type", sa.String(20)),
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sa.Column("settle_time", sa.DateTime(timezone=True)),
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sa.Column("settle_price", sa.Float),
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sa.Column("paid_price", sa.Float),
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sa.Column("discount_amt", sa.Float, default=0),
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sa.Column("elec_amt", sa.Float),
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sa.Column("serve_amt", sa.Float),
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sa.Column("order_status", sa.String(20), default="charging"),
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sa.Column("charge_duration", sa.Integer),
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sa.Column("energy", sa.Float),
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sa.Column("start_soc", sa.Float),
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sa.Column("end_soc", sa.Float),
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sa.Column("abno_cause", sa.Text),
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sa.Column("order_source", sa.String(20)),
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sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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)
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# --- occupancy_orders ---
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op.create_table(
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"occupancy_orders",
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sa.Column("id", sa.Integer, primary_key=True, autoincrement=True),
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sa.Column("order_id", sa.Integer, sa.ForeignKey("charging_orders.id")),
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sa.Column("pile_id", sa.Integer, sa.ForeignKey("charging_piles.id")),
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sa.Column("start_time", sa.DateTime(timezone=True)),
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sa.Column("end_time", sa.DateTime(timezone=True)),
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sa.Column("occupancy_fee", sa.Float, default=0),
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sa.Column("status", sa.String(20), default="active"),
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sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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)
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def downgrade() -> None:
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op.drop_table("occupancy_orders")
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op.drop_table("charging_orders")
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op.drop_table("charging_price_params")
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op.drop_table("charging_price_strategies")
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op.drop_table("charging_piles")
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op.drop_table("charging_stations")
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op.drop_table("charging_brands")
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op.drop_table("charging_merchants")
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