from sqlalchemy import Column, Integer, String, Float, Date from app.database import Base class Customer(Base): __tablename__ = "customers" customer_id = Column(String(20), primary_key=True, index=True) # IDs are strings now full_name = Column(String(100), index=True) email = Column(String(100), unique=True) phone = Column(String(50)) date_of_birth = Column(Date) age = Column(Integer) gender = Column(String(20)) street_address = Column(String(100)) city = Column(String(50)) state = Column(String(10)) zip_code = Column(String(20)) home_branch_id = Column(Integer) customer_since = Column(Date) employment_status = Column(String(50)) annual_income = Column(Float) credit_score = Column(Integer) preferred_contact_method = Column(String(20)) class Account(Base): __tablename__ = "accounts" account_id = Column(String(20), primary_key=True, index=True) # IDs are strings now account_number = Column(String(20), unique=True, index=True) customer_id = Column(String(20)) # matches Customer.customer_id account_type = Column(String(20)) open_date = Column(Date) balance = Column(Float) branch_id = Column(Integer)