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>
This commit is contained in:
Du Wenbo
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backend/app/models/charging.py
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145
backend/app/models/charging.py
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from sqlalchemy import Column, Integer, String, Float, Boolean, DateTime, ForeignKey, Text, JSON, BigInteger
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from sqlalchemy.sql import func
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from app.core.database import Base
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class ChargingStation(Base):
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__tablename__ = "charging_stations"
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id = Column(Integer, primary_key=True, autoincrement=True)
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name = Column(String(200), nullable=False)
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merchant_id = Column(Integer, ForeignKey("charging_merchants.id"))
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type = Column(String(50)) # public, private, dedicated
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address = Column(String(500))
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latitude = Column(Float)
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longitude = Column(Float)
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price = Column(Float) # default price yuan/kWh
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activity = Column(Text) # promotions text
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status = Column(String(20), default="active") # active, disabled
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total_piles = Column(Integer, default=0)
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available_piles = Column(Integer, default=0)
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total_power_kw = Column(Float, default=0)
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photo_url = Column(String(500))
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operating_hours = Column(String(100)) # e.g. "00:00-24:00"
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created_by = Column(Integer, ForeignKey("users.id"))
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
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class ChargingPile(Base):
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__tablename__ = "charging_piles"
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id = Column(Integer, primary_key=True, autoincrement=True)
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station_id = Column(Integer, ForeignKey("charging_stations.id"), nullable=False)
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encoding = Column(String(100), unique=True) # terminal code
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name = Column(String(200))
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type = Column(String(50)) # AC_slow, DC_fast, DC_superfast
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brand = Column(String(100))
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model = Column(String(100))
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rated_power_kw = Column(Float)
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connector_type = Column(String(50)) # GB_T, CCS, CHAdeMO
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status = Column(String(20), default="active") # active, disabled
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work_status = Column(String(20), default="offline") # idle, charging, fault, offline
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
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class ChargingPriceStrategy(Base):
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__tablename__ = "charging_price_strategies"
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id = Column(Integer, primary_key=True, autoincrement=True)
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strategy_name = Column(String(200), nullable=False)
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station_id = Column(Integer, ForeignKey("charging_stations.id"))
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bill_model = Column(String(20)) # tou, flat
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description = Column(Text)
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status = Column(String(20), default="inactive") # active, inactive
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
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class ChargingPriceParam(Base):
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__tablename__ = "charging_price_params"
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id = Column(Integer, primary_key=True, autoincrement=True)
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strategy_id = Column(Integer, ForeignKey("charging_price_strategies.id"), nullable=False)
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start_time = Column(String(10), nullable=False) # HH:MM
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end_time = Column(String(10), nullable=False)
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period_mark = Column(String(20)) # sharp, peak, flat, valley
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elec_price = Column(Float, nullable=False) # yuan/kWh
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service_price = Column(Float, default=0) # yuan/kWh
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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class ChargingOrder(Base):
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__tablename__ = "charging_orders"
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id = Column(Integer, primary_key=True, autoincrement=True)
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order_no = Column(String(50), unique=True, nullable=False)
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user_id = Column(Integer)
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user_name = Column(String(100))
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phone = Column(String(20))
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station_id = Column(Integer, ForeignKey("charging_stations.id"))
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station_name = Column(String(200))
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pile_id = Column(Integer, ForeignKey("charging_piles.id"))
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pile_name = Column(String(200))
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start_time = Column(DateTime(timezone=True))
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end_time = Column(DateTime(timezone=True))
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car_no = Column(String(20)) # license plate
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car_vin = Column(String(50))
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charge_method = Column(String(20)) # plug_and_charge, app, card
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settle_type = Column(String(20)) # normal, manual, delayed, abnormal, offline
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pay_type = Column(String(20)) # balance, wechat, alipay
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settle_time = Column(DateTime(timezone=True))
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settle_price = Column(Float) # settlement amount
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paid_price = Column(Float) # actual paid
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discount_amt = Column(Float, default=0)
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elec_amt = Column(Float) # electricity fee
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serve_amt = Column(Float) # service fee
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order_status = Column(String(20), default="charging") # charging, pending_pay, completed, failed, refunded
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charge_duration = Column(Integer) # seconds
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energy = Column(Float) # kWh delivered
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start_soc = Column(Float) # battery start %
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end_soc = Column(Float) # battery end %
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abno_cause = Column(Text) # abnormal reason
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order_source = Column(String(20)) # miniprogram, pc, app
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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class OccupancyOrder(Base):
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__tablename__ = "occupancy_orders"
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id = Column(Integer, primary_key=True, autoincrement=True)
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order_id = Column(Integer, ForeignKey("charging_orders.id"))
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pile_id = Column(Integer, ForeignKey("charging_piles.id"))
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start_time = Column(DateTime(timezone=True))
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end_time = Column(DateTime(timezone=True))
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occupancy_fee = Column(Float, default=0)
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status = Column(String(20), default="active")
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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class ChargingBrand(Base):
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__tablename__ = "charging_brands"
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id = Column(Integer, primary_key=True, autoincrement=True)
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brand_name = Column(String(100), nullable=False)
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logo_url = Column(String(500))
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country = Column(String(50))
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description = Column(Text)
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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class ChargingMerchant(Base):
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__tablename__ = "charging_merchants"
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id = Column(Integer, primary_key=True, autoincrement=True)
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name = Column(String(200), nullable=False)
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contact_person = Column(String(100))
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phone = Column(String(20))
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email = Column(String(100))
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address = Column(String(500))
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business_license = Column(String(100))
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status = Column(String(20), default="active")
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settlement_type = Column(String(20)) # prepaid, postpaid
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created_at = Column(DateTime(timezone=True), server_default=func.now())
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updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
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