shanxia2.0/backend/app/models/crm_models.py

"""CRM 模块数据模型（产品分类、产品主表、统一附件表、客户管理、公海池、线索管理）"""
from datetime import datetime
from decimal import Decimal

from sqlalchemy import (
    BigInteger,
    Column,
    DECIMAL,
    Date,
    DateTime,
    Integer,
    SmallInteger,
    String,
    Text,
    CHAR,
)

from app.core.database import Base


class CrmProductCategory(Base):
    """CRM 产品分类表（树形结构）"""

    __tablename__ = "crm_product_category"

    id = Column(String(64), primary_key=True, comment="主键ID")
    parent_id = Column(String(64), nullable=False, default="0", comment="父级分类ID（0为顶级）")
    category_name = Column(String(128), nullable=False, comment="分类名称")
    category_code = Column(String(64), nullable=True, comment="分类编码")
    level = Column(SmallInteger, nullable=False, default=1, comment="层级")
    status = Column(CHAR(1), nullable=False, default="1", comment="状态 1启用 0停用")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(512), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人id")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人id")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmProduct(Base):
    """CRM 产品主表"""

    __tablename__ = "crm_product"

    id = Column(String(64), primary_key=True, comment="主键ID")
    product_no = Column(String(50), nullable=False, comment="产品编号")
    product_name = Column(String(200), nullable=False, comment="产品名称")
    category_id = Column(String(64), nullable=True, comment="分类ID")
    category_name = Column(String(100), nullable=True, comment="分类名称(冗余)")
    model = Column(String(100), nullable=True, comment="规格型号")
    unit = Column(String(20), nullable=True, default=None, comment="单位")
    barcode = Column(String(100), nullable=True, comment="条码")
    price = Column(DECIMAL(15, 2), nullable=True, default=None, comment="标准单价")
    cost_price = Column(DECIMAL(15, 2), nullable=True, default=None, comment="成本价")
    stock = Column(Integer, nullable=False, default=0, comment="库存数量")
    low_stock = Column(Integer, nullable=False, default=10, comment="库存预警值")
    tax_rate = Column(DECIMAL(5, 2), nullable=False, default=13.00, comment="税率(百分比)")
    is_toxic = Column(SmallInteger, nullable=False, default=0, comment="是否易制毒 0-否 1-是")
    is_explosive = Column(SmallInteger, nullable=False, default=0, comment="是否易制爆 0-否 1-是")
    status = Column(String(3), nullable=False, default="on", comment="状态 on 上架 off 下架")
    description = Column(Text, nullable=True, comment="产品描述")
    images = Column(String(1000), nullable=True, comment="产品图片(多个用逗号分隔)")
    sale_count = Column(Integer, nullable=False, default=0, comment="销售次数")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(512), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人id")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人id")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class SysOss(Base):
    """统一附件表（全系统共用 sys_oss）"""

    __tablename__ = "sys_oss"

    id = Column(String(64), primary_key=True, comment="主键ID")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    biz_type = Column(String(50), nullable=True, comment="业务类型")
    biz_id = Column(String(64), nullable=True, comment="业务主键ID")
    file_name = Column(String(255), nullable=False, default="", comment="文件名")
    original_name = Column(String(255), nullable=False, default="", comment="原始文件名")
    file_suffix = Column(String(10), nullable=False, default="", comment="文件后缀名")
    url = Column(String(500), nullable=False, comment="文件URL地址")
    file_size = Column(BigInteger, nullable=True, comment="文件大小（字节）")
    file_type = Column(String(200), nullable=True, comment="MIME类型")
    attach_type = Column(String(32), nullable=True, default="attachment", comment="附件类型")
    sort_order = Column(Integer, nullable=False, default=0, comment="排序号")
    service = Column(String(20), nullable=False, default="minio", comment="存储服务商")
    ext1 = Column(Text, nullable=True, comment="扩展字段")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(512), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人id")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人id")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


# ── 客户管理模块 ──────────────────────────────────────────────


class CrmCustomer(Base):
    """CRM-客户主表"""

    __tablename__ = "crm_customer"

    # 主键
    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")

    # 业务字段
    customer_no = Column(String(50), nullable=False, comment="客户编号(唯一)")
    customer_name = Column(String(200), nullable=False, comment="客户名称")
    short_name = Column(String(100), nullable=True, comment="客户简称")
    customer_type = Column(String(20), nullable=True, default="company", comment="客户类型(字典 crm_customer_type)")
    mobile = Column(String(20), nullable=True, comment="手机号")
    telephone = Column(String(30), nullable=True, comment="固定电话")
    email = Column(String(100), nullable=True, comment="邮箱")
    website = Column(String(500), nullable=True, comment="客户网站")
    level = Column(
        String(20), nullable=True, default="normal", comment="客户级别(字典 crm_customer_level: key/normal/potential)"
    )
    source = Column(String(20), nullable=True, comment="客户来源(字典 crm_clue_source)")
    industry = Column(String(50), nullable=True, comment="所属行业(字典 crm_customer_industry)")
    park_area = Column(String(100), nullable=True, comment="所在园区(字典 crm_customer_park)")
    payment_terms = Column(String(500), nullable=True, comment="收付款条件")
    scale = Column(String(20), nullable=True, comment="企业规模")
    province = Column(String(50), nullable=True, comment="省")
    city = Column(String(50), nullable=True, comment="市")
    district = Column(String(50), nullable=True, comment="区")
    address = Column(String(255), nullable=True, comment="详细地址")

    # 状态与归属
    status = Column(
        String(20), nullable=True, default="normal", comment="客户状态(字典 crm_customer_status: normal/pool/invalid)"
    )
    deal_status = Column(
        String(20), nullable=True, default="not_deal", comment="成交状态(字典 crm_deal_status: not_deal/dealed/lost)"
    )
    owner_user_id = Column(String(64), nullable=True, comment="负责人ID")
    owner_user_name = Column(String(50), nullable=True, comment="负责人姓名(冗余)")

    # 跟进统计
    last_time = Column(DateTime, nullable=True, comment="最后跟进时间")
    next_time = Column(DateTime, nullable=True, comment="下次联系时间")
    follow_count = Column(Integer, nullable=True, default=0, comment="跟进次数")

    # 成交统计
    deal_time = Column(DateTime, nullable=True, comment="成交时间")
    deal_amount = Column(DECIMAL(15, 2), nullable=True, default=Decimal("0.00"), comment="累计成交金额")

    # 关联统计
    contact_count = Column(Integer, nullable=True, default=0, comment="联系人数量")
    opportunity_count = Column(Integer, nullable=True, default=0, comment="商机数量")
    contract_count = Column(Integer, nullable=True, default=0, comment="合同数量")

    # 公海池相关
    into_pool_time = Column(DateTime, nullable=True, comment="进入公海时间")
    into_pool_by = Column(String(64), nullable=True, comment="进入公海操作人ID")
    into_pool_reason = Column(String(500), nullable=True, comment="进入公海原因")
    claim_time = Column(DateTime, nullable=True, comment="领取时间")
    assign_time = Column(DateTime, nullable=True, comment="分配时间")
    assign_by = Column(String(64), nullable=True, comment="分配人ID")
    protect_time = Column(DateTime, nullable=True, comment="保护到期时间")

    # 证照附件
    business_license_img = Column(String(1000), nullable=True, comment="营业执照图片(附件URL，逗号分隔)")
    business_permit_images = Column(String(1000), nullable=True, comment="经营许可证图片(附件URL，逗号分隔)")
    other_cert_images = Column(String(1000), nullable=True, comment="其他证件图片(附件URL，逗号分隔)")

    # 线索关联
    clue_id = Column(String(64), nullable=True, comment="关联线索ID(从线索转化)")

    # 公共字段
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(512), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人ID")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人ID")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmContact(Base):
    """CRM-联系人表"""

    __tablename__ = "crm_contact"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    customer_id = Column(String(64), nullable=False, comment="客户ID")
    customer_name = Column(String(200), nullable=True, comment="客户名称(冗余)")
    contact_name = Column(String(100), nullable=False, comment="联系人姓名")
    gender = Column(String(10), nullable=True, comment="性别(male/female/unknown)")
    mobile = Column(String(20), nullable=True, comment="手机号")
    telephone = Column(String(30), nullable=True, comment="固定电话")
    email = Column(String(100), nullable=True, comment="邮箱")
    wechat = Column(String(100), nullable=True, comment="微信号")
    qq = Column(String(20), nullable=True, comment="QQ号")
    department = Column(String(100), nullable=True, comment="部门")
    position = Column(String(50), nullable=True, comment="职位")
    role = Column(String(20), nullable=True, comment="角色(decision/manager/user/other)")
    birthday = Column(Date, nullable=True, comment="生日")
    address = Column(String(255), nullable=True, comment="住址")
    is_key = Column(SmallInteger, nullable=True, default=0, comment="是否关键决策人(0-否 1-是)")
    is_primary = Column(SmallInteger, nullable=True, default=0, comment="是否主要联系人(0-否 1-是)")
    status = Column(String(20), nullable=True, default="active", comment="状态(active-在职/leave-离职)")
    # 公共字段
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(512), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人ID")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人ID")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmInvoiceInfo(Base):
    """CRM-客户开票信息表"""

    __tablename__ = "crm_invoice_info"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    customer_id = Column(String(64), nullable=False, comment="客户ID")
    company_name = Column(String(200), nullable=False, comment="单位名称")
    tax_no = Column(String(50), nullable=True, comment="税号")
    company_address = Column(String(500), nullable=True, comment="单位地址")
    legal_representative = Column(String(100), nullable=True, comment="法定代表人")
    agent = Column(String(100), nullable=True, comment="代理人")
    phone_fax = Column(String(100), nullable=True, comment="电话/传真")
    bank_name = Column(String(200), nullable=True, comment="开户银行")
    bank_account = Column(String(100), nullable=True, comment="银行账号")
    is_default = Column(String(1), nullable=False, default="0", comment="是否默认(0否 1是)")
    # 公共字段
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(512), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人ID")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人ID")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmCustomerFollow(Base):
    """CRM-客户跟进记录表"""

    __tablename__ = "crm_customer_follow"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    customer_id = Column(String(64), nullable=False, comment="客户ID")
    customer_name = Column(String(200), nullable=True, comment="客户名称(冗余)")
    contact_id = Column(String(64), nullable=True, comment="联系人ID")
    contact_name = Column(String(100), nullable=True, comment="联系人姓名(冗余)")
    follow_type = Column(
        String(20), nullable=False, comment="跟进方式(字典 crm_follow_type: phone/wechat/visit/email/other)"
    )
    follow_content = Column(Text, nullable=False, comment="跟进内容")
    follow_time = Column(DateTime, nullable=True, comment="跟进时间")
    next_time = Column(DateTime, nullable=True, comment="下次联系时间")
    attachment = Column(String(1000), nullable=True, comment="附件URL(多个用逗号分隔)")
    owner_user_id = Column(String(64), nullable=True, comment="跟进人ID")
    owner_user_name = Column(String(50), nullable=True, comment="跟进人姓名(冗余)")
    # 公共字段
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(512), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人ID")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人ID")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmCustomerPool(Base):
    """CRM-客户公海池记录表"""

    __tablename__ = "crm_customer_pool"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    customer_id = Column(String(64), nullable=False, comment="客户ID")
    customer_name = Column(String(200), nullable=True, comment="客户名称(冗余)")
    operation_type = Column(String(20), nullable=False, comment="操作类型(into-进入公海/claim-领取/assign-分配/recycle-回收)")
    from_user_id = Column(String(64), nullable=True, comment="原负责人ID")
    from_user_name = Column(String(50), nullable=True, comment="原负责人姓名(冗余)")
    to_user_id = Column(String(64), nullable=True, comment="新负责人ID")
    to_user_name = Column(String(50), nullable=True, comment="新负责人姓名(冗余)")
    reason = Column(String(500), nullable=True, comment="操作原因")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建者(操作人)")
    create_by_name = Column(String(50), nullable=True, comment="操作人姓名(冗余)")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间(操作时间)")
    update_by = Column(String(64), nullable=True, comment="更新者")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmCustomerPoolRule(Base):
    """CRM-客户公海池规则表"""

    __tablename__ = "crm_customer_pool_rule"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    pool_name = Column(String(100), nullable=False, comment="规则名称")
    rule_type = Column(String(20), nullable=False, comment="规则类型(no_follow-未跟进/no_deal-未成交)")
    timeout_days = Column(Integer, nullable=False, comment="超时天数(多少天未跟进/未成交)")
    protect_days = Column(Integer, nullable=False, default=0, comment="保护期天数(领取后保护多少天)")
    status = Column(String(20), nullable=True, default="enable", comment="状态(enable-启用/disable-禁用)")
    sort = Column(Integer, nullable=True, default=0, comment="排序号")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建者")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新者")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmOpportunity(Base):
    """CRM-商机主表"""

    __tablename__ = "crm_opportunity"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    opportunity_no = Column(String(50), nullable=False, comment="商机编号")
    opportunity_name = Column(String(200), nullable=False, comment="商机名称")
    customer_id = Column(String(64), nullable=False, comment="客户ID")
    customer_name = Column(String(200), nullable=True, comment="客户名称(冗余)")
    contact_id = Column(String(64), nullable=True, comment="联系人ID")
    contact_name = Column(String(50), nullable=True, comment="联系人姓名(冗余)")
    stage = Column(String(20), nullable=False, default="initial", comment="商机阶段")
    stage_percent = Column(Integer, nullable=True, default=10, comment="阶段进度百分比")
    status = Column(String(20), nullable=False, default="following", comment="商机状态")
    win_rate = Column(DECIMAL(5, 2), nullable=True, default=Decimal("50.00"), comment="赢单率(百分比)")
    amount = Column(DECIMAL(15, 2), nullable=False, default=0, comment="商机金额")
    expect_deal_date = Column(Date, nullable=True, comment="预计成交日期")
    actual_deal_date = Column(Date, nullable=True, comment="实际成交日期")
    lost_reason = Column(String(500), nullable=True, comment="输单原因")
    owner_user_id = Column(String(64), nullable=True, comment="负责人ID")
    owner_user_name = Column(String(50), nullable=True, comment="负责人姓名(冗余)")
    product_count = Column(Integer, nullable=True, default=0, comment="产品数量(冗余)")
    last_time = Column(DateTime, nullable=True, comment="最后跟进时间")
    next_time = Column(DateTime, nullable=True, comment="下次联系时间")
    follow_count = Column(Integer, nullable=True, default=0, comment="跟进次数(冗余)")
    contract_id = Column(String(64), nullable=True, comment="关联合同ID")
    source = Column(String(20), nullable=True, comment="商机来源")
    type = Column(String(20), nullable=True, comment="商机类型")
    description = Column(Text, nullable=True, comment="商机描述")
    competitors = Column(String(500), nullable=True, comment="竞争对手")
    key_factors = Column(String(500), nullable=True, comment="关键决策因素")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(512), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人ID")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人ID")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmOpportunityFollow(Base):
    """CRM-商机跟进记录表"""

    __tablename__ = "crm_opportunity_follow"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    opportunity_id = Column(String(64), nullable=False, comment="商机ID")
    follow_type = Column(String(20), nullable=False, comment="跟进方式")
    follow_content = Column(Text, nullable=False, comment="跟进内容")
    follow_time = Column(DateTime, nullable=True, comment="跟进时间")
    stage = Column(String(20), nullable=True, comment="当前商机阶段")
    stage_percent = Column(Integer, nullable=True, comment="阶段进度百分比")
    next_time = Column(DateTime, nullable=True, comment="下次联系时间")
    next_content = Column(String(500), nullable=True, comment="下次联系计划")
    attachments = Column(String(1000), nullable=True, comment="附件(逗号分隔)")
    contact_id = Column(String(64), nullable=True, comment="联系人ID")
    contact_name = Column(String(50), nullable=True, comment="联系人姓名")
    location = Column(String(200), nullable=True, comment="跟进地点")
    duration = Column(Integer, nullable=True, comment="跟进时长(分钟)")
    follow_by = Column(String(64), nullable=True, comment="跟进人ID")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人ID")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人ID")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmOpportunityProduct(Base):
    """CRM-商机产品关联表"""

    __tablename__ = "crm_opportunity_product"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    opportunity_id = Column(String(64), nullable=False, comment="商机ID")
    product_id = Column(String(64), nullable=False, comment="产品ID")
    product_name = Column(String(200), nullable=True, comment="产品名称(冗余)")
    product_no = Column(String(50), nullable=True, comment="产品编号(冗余)")
    category_id = Column(String(64), nullable=True, comment="产品分类ID")
    category_name = Column(String(100), nullable=True, comment="产品分类名称(冗余)")
    model = Column(String(100), nullable=True, comment="规格型号")
    unit = Column(String(20), nullable=True, default="件", comment="单位")
    quantity = Column(DECIMAL(20, 4), nullable=False, comment="数量")
    price = Column(DECIMAL(15, 2), nullable=False, default=0, comment="单价")
    discount = Column(DECIMAL(5, 2), nullable=True, default=0, comment="折扣(百分比)")
    subtotal = Column(DECIMAL(15, 2), nullable=False, default=0, comment="小计金额")
    sort = Column(Integer, nullable=True, default=0, comment="排序号")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人ID")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人ID")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmOpportunityStageLog(Base):
    """CRM-商机阶段变更日志表"""

    __tablename__ = "crm_opportunity_stage_log"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    opportunity_id = Column(String(64), nullable=False, comment="商机ID")
    from_stage = Column(String(20), nullable=True, comment="原阶段")
    from_stage_name = Column(String(50), nullable=True, comment="原阶段名称")
    from_percent = Column(Integer, nullable=True, comment="原进度百分比")
    to_stage = Column(String(20), nullable=False, comment="新阶段")
    to_stage_name = Column(String(50), nullable=True, comment="新阶段名称")
    to_percent = Column(Integer, nullable=True, comment="新进度百分比")
    change_type = Column(String(20), nullable=True, default="forward", comment="变更类型")
    change_reason = Column(String(500), nullable=True, comment="变更原因")
    change_amount = Column(DECIMAL(15, 2), nullable=True, comment="变更时商机金额")
    lost_detail = Column(String(2000), nullable=True, comment="输单详细说明")
    competitor_info = Column(String(1000), nullable=True, comment="竞争对手信息")
    improvement = Column(String(1000), nullable=True, comment="改进建议")
    won_remark = Column(String(2000), nullable=True, comment="赢单说明")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人ID")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人ID")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmContract(Base):
    """CRM-合同主表"""

    __tablename__ = "crm_contract"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    contract_no = Column(String(50), nullable=False, comment="合同编号")
    contract_name = Column(String(200), nullable=False, comment="合同名称")
    customer_id = Column(String(64), nullable=False, comment="客户ID")
    customer_name = Column(String(200), nullable=True, comment="客户名称(冗余)")
    opportunity_id = Column(String(64), nullable=True, comment="商机ID")
    quote_id = Column(String(64), nullable=True, comment="报价单ID")
    parent_contract_id = Column(String(64), nullable=True, comment="原合同ID(续签)")
    renewal_count = Column(Integer, nullable=True, default=0, comment="续签次数")
    template_id = Column(String(64), nullable=True, comment="合同模板ID")
    contract_template = Column(String(50), nullable=True, default="shanxia", comment="合同模版")
    contact_id = Column(String(64), nullable=True, comment="联系人ID")
    contact_name = Column(String(50), nullable=True, comment="联系人姓名(冗余)")
    contact_mobile = Column(String(20), nullable=True, comment="联系人手机(冗余)")
    contract_type = Column(String(20), nullable=False, default="sale", comment="合同类型")
    contract_nature = Column(String(20), nullable=True, default="new", comment="合同性质")
    amount = Column(DECIMAL(15, 2), nullable=False, default=0, comment="合同金额")
    currency = Column(String(10), nullable=True, default="CNY", comment="币种")
    tax_rate = Column(DECIMAL(5, 2), nullable=True, default=Decimal("6.00"), comment="税率(%)")
    amount_with_tax = Column(DECIMAL(15, 2), nullable=True, default=Decimal("0.00"), comment="含税金额")
    status = Column(String(20), nullable=False, default="draft", comment="合同状态")
    approval_status = Column(String(20), nullable=True, comment="审批状态")
    sign_date = Column(Date, nullable=True, comment="签订日期")
    actual_sign_date = Column(Date, nullable=True, comment="实际签订日期")
    start_date = Column(Date, nullable=True, comment="开始日期")
    end_date = Column(Date, nullable=True, comment="结束日期")
    contract_period = Column(Integer, nullable=True, comment="合同期限(月)")
    performance_status = Column(String(20), nullable=True, default="normal", comment="履约状态")
    performance_rate = Column(DECIMAL(5, 2), nullable=True, default=Decimal("0.00"), comment="履约完成度(%)")
    customer_satisfaction = Column(Integer, nullable=True, comment="客户满意度")
    approval_flow_id = Column(String(64), nullable=True, comment="审批流程ID")
    contract_file = Column(String(500), nullable=True, comment="合同文件路径")
    attachment_files = Column(String(2000), nullable=True, comment="附件文件")
    owner_user_id = Column(String(64), nullable=True, comment="负责人ID")
    owner_user_name = Column(String(50), nullable=True, comment="负责人姓名(冗余)")
    received_amount = Column(DECIMAL(15, 2), nullable=True, default=Decimal("0.00"), comment="已回款金额")
    unreceived_amount = Column(DECIMAL(15, 2), nullable=True, default=Decimal("0.00"), comment="未回款金额")
    invoice_amount = Column(DECIMAL(15, 2), nullable=True, default=Decimal("0.00"), comment="已开票金额")
    uninvoice_amount = Column(DECIMAL(15, 2), nullable=True, default=Decimal("0.00"), comment="未开票金额")
    payment_terms = Column(Text, nullable=True, comment="付款条款")
    delivery_terms = Column(Text, nullable=True, comment="交付条款")
    contract_terms = Column(Text, nullable=True, comment="合同条款")
    settlement_method = Column(String(50), nullable=True, comment="结算方式")
    template_content = Column(Text, nullable=True, comment="合同模板内容")
    settlement_clause_drafts = Column(Text, nullable=True, comment="结算方式草稿JSON")
    invalid_reason = Column(String(500), nullable=True, comment="作废原因")
    invalid_time = Column(DateTime, nullable=True, comment="作废时间")
    version_no = Column(Integer, nullable=True, default=0, comment="乐观锁版本号")
    party_a = Column(String(200), nullable=True, comment="甲方")
    party_a_address = Column(String(255), nullable=True, comment="甲方地址")
    party_a_contact = Column(String(50), nullable=True, comment="甲方联系人")
    party_a_mobile = Column(String(20), nullable=True, comment="甲方联系电话")
    party_a_legal_person = Column(String(50), nullable=True, comment="甲方法定代表人")
    party_a_agent = Column(String(50), nullable=True, comment="甲方代理人")
    party_a_phone_fax = Column(String(50), nullable=True, comment="甲方电话/传真")
    party_a_bank = Column(String(100), nullable=True, comment="甲方开户银行")
    party_a_account = Column(String(50), nullable=True, comment="甲方银行账号")
    party_b = Column(String(200), nullable=True, comment="乙方")
    party_b_address = Column(String(255), nullable=True, comment="乙方地址")
    party_b_contact = Column(String(50), nullable=True, comment="乙方联系人")
    party_b_mobile = Column(String(20), nullable=True, comment="乙方联系电话")
    party_b_legal_person = Column(String(100), nullable=True, comment="乙方法定代表人")
    party_b_agent = Column(String(100), nullable=True, comment="乙方代理人")
    party_b_phone_fax = Column(String(100), nullable=True, comment="乙方电话/传真")
    party_b_bank = Column(String(200), nullable=True, comment="乙方开户银行")
    party_b_account = Column(String(100), nullable=True, comment="乙方银行账号")
    supplier_id = Column(String(64), nullable=True, comment="供方主体ID")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(512), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人ID")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人ID")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmContractApproval(Base):
    """CRM-合同审批记录表"""

    __tablename__ = "crm_contract_approval"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    contract_id = Column(String(64), nullable=False, comment="合同ID")
    flow_id = Column(String(64), nullable=True, comment="审批流程ID")
    step = Column(Integer, nullable=False, default=1, comment="审批步骤")
    step_name = Column(String(100), nullable=True, comment="步骤名称")
    approver_id = Column(String(64), nullable=False, comment="审批人ID")
    approver_name = Column(String(50), nullable=True, comment="审批人姓名(冗余)")
    approver_dept = Column(String(100), nullable=True, comment="审批人部门")
    approval_result = Column(String(20), nullable=True, default="pending", comment="审批结果")
    approval_opinion = Column(Text, nullable=True, comment="审批意见")
    approval_time = Column(DateTime, nullable=True, comment="审批时间")
    approval_duration = Column(Integer, nullable=True, comment="审批耗时(小时)")
    attachments = Column(String(1000), nullable=True, comment="附件")
    is_current = Column(SmallInteger, nullable=True, default=1, comment="是否当前步骤")
    sort = Column(Integer, nullable=True, default=0, comment="排序号")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建者")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建部门")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新者")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmContractChange(Base):
    """CRM-合同变更记录表"""

    __tablename__ = "crm_contract_change"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    contract_id = Column(String(64), nullable=False, comment="合同ID")
    contract_no = Column(String(50), nullable=True, comment="合同编号(冗余)")
    change_type = Column(String(50), nullable=False, comment="变更类型")
    change_reason = Column(String(500), nullable=False, comment="变更原因")
    change_content = Column(Text, nullable=True, comment="变更内容描述")
    old_value = Column(Text, nullable=True, comment="变更前值(JSON)")
    new_value = Column(Text, nullable=True, comment="变更后值(JSON)")
    change_amount = Column(DECIMAL(15, 2), nullable=True, comment="变更金额")
    approval_status = Column(String(20), nullable=True, default="pending", comment="审批状态")
    approver_id = Column(String(64), nullable=True, comment="审批人ID")
    approver_name = Column(String(50), nullable=True, comment="审批人姓名")
    approval_time = Column(DateTime, nullable=True, comment="审批时间")
    approval_opinion = Column(String(500), nullable=True, comment="审批意见")
    attachment_files = Column(String(1000), nullable=True, comment="附件文件")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建者")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建部门")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新者")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmContractTemplate(Base):
    """CRM-合同模板表"""

    __tablename__ = "crm_contract_template"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    template_no = Column(String(50), nullable=False, comment="模板编号")
    template_name = Column(String(200), nullable=False, comment="模板名称")
    contract_type = Column(String(20), nullable=True, comment="适用合同类型")
    template_content = Column(Text, nullable=True, comment="模板内容")
    payment_terms = Column(Text, nullable=True, comment="付款条款模板")
    delivery_terms = Column(Text, nullable=True, comment="交付条款模板")
    contract_terms = Column(Text, nullable=True, comment="合同条款模板")
    party_b = Column(String(200), nullable=True, comment="乙方名称")
    party_b_address = Column(String(255), nullable=True, comment="乙方地址")
    party_b_contact = Column(String(50), nullable=True, comment="乙方联系人")
    party_b_mobile = Column(String(20), nullable=True, comment="乙方联系电话")
    default_currency = Column(String(10), nullable=True, default="CNY", comment="默认币种")
    default_tax_rate = Column(DECIMAL(5, 2), nullable=True, default=Decimal("6.00"), comment="默认税率(%)")
    default_period = Column(Integer, nullable=True, default=12, comment="默认合同期限(月)")
    is_active = Column(SmallInteger, nullable=True, default=1, comment="是否启用")
    usage_count = Column(Integer, nullable=True, default=0, comment="使用次数")
    sort = Column(Integer, nullable=True, default=0, comment="排序号")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建者")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建部门")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新者")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmContractProduct(Base):
    """CRM-合同产品明细表"""

    __tablename__ = "crm_contract_product"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    contract_id = Column(String(64), nullable=False, comment="合同ID")
    product_id = Column(String(64), nullable=False, comment="产品ID")
    product_name = Column(String(200), nullable=False, comment="产品名称")
    product_no = Column(String(50), nullable=True, comment="产品编号")
    category_id = Column(String(64), nullable=True, comment="产品分类ID")
    category_name = Column(String(100), nullable=True, comment="产品分类名称")
    model = Column(String(100), nullable=True, comment="规格型号")
    unit = Column(String(20), nullable=True, default="件", comment="单位")
    quantity = Column(DECIMAL(20, 4), nullable=False, comment="数量")
    price = Column(DECIMAL(15, 2), nullable=False, default=Decimal("0.00"), comment="单价")
    discount = Column(DECIMAL(5, 2), nullable=True, default=Decimal("0.00"), comment="折扣(%)")
    tax_rate = Column(DECIMAL(5, 2), nullable=True, default=Decimal("6.00"), comment="税率(%)")
    tax_amount = Column(DECIMAL(15, 2), nullable=True, default=Decimal("0.00"), comment="税费金额")
    subtotal = Column(DECIMAL(15, 2), nullable=False, default=Decimal("0.00"), comment="小计金额")
    delivery_date = Column(Date, nullable=True, comment="交付日期")
    delivery_status = Column(String(20), nullable=True, default="pending", comment="交付状态")
    delivered_quantity = Column(DECIMAL(20, 4), nullable=True, default=Decimal("0.0000"), comment="已交付数量")
    description = Column(String(1000), nullable=True, comment="产品描述")
    package_spec = Column(String(200), nullable=True, comment="包装规格")
    delivery_method = Column(String(100), nullable=True, comment="送货方式")
    sort = Column(Integer, nullable=True, default=0, comment="排序号")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号(公共)")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建者")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建部门")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新者")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmContractProductPriceTier(Base):
    """CRM-框架合同产品调价区间"""

    __tablename__ = "crm_contract_product_price_tier"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    contract_id = Column(String(64), nullable=False, comment="合同ID")
    contract_product_id = Column(String(64), nullable=False, comment="合同产品明细ID")
    start_date = Column(Date, nullable=False, comment="区间开始日期")
    end_date = Column(Date, nullable=False, comment="区间结束日期")
    price = Column(DECIMAL(15, 2), nullable=False, comment="含税单价")
    letter_oss_ids = Column(String(4000), nullable=True, comment="调价函OSS ID列表(JSON数组)")
    letter_oss_id = Column(String(64), nullable=True, comment="调价函单附件(废弃)")
    sort = Column(Integer, nullable=True, default=0, comment="排序号")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号(公共)")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建者")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建部门")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新者")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmQuote(Base):
    """CRM-报价单主表"""

    __tablename__ = "crm_quote"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    quote_no = Column(String(50), nullable=False, comment="报价单编号")
    quote_title = Column(String(200), nullable=False, comment="报价单标题")
    quote_type = Column(String(20), nullable=False, default="sales", comment="报价单类型")
    customer_id = Column(String(64), nullable=False, comment="客户ID")
    customer_name = Column(String(200), nullable=True, comment="客户名称(冗余)")
    opportunity_id = Column(String(64), nullable=True, comment="商机ID")
    contact_id = Column(String(64), nullable=True, comment="联系人ID")
    contact_name = Column(String(50), nullable=True, comment="联系人姓名(冗余)")
    contact_mobile = Column(String(20), nullable=True, comment="联系人手机(冗余)")
    contact_email = Column(String(100), nullable=True, comment="联系人邮箱(冗余)")
    version = Column(String(20), nullable=True, default="V1.0", comment="版本号")
    parent_id = Column(String(64), nullable=True, default="0", comment="父版本ID")
    is_latest = Column(SmallInteger, nullable=True, default=1, comment="是否最新版本")
    total_amount = Column(DECIMAL(15, 2), nullable=False, default=Decimal("0.00"), comment="总金额")
    discount_rate = Column(DECIMAL(5, 2), nullable=True, default=Decimal("0.00"), comment="整单折扣率")
    discount_amount = Column(DECIMAL(15, 2), nullable=True, default=Decimal("0.00"), comment="折扣金额")
    final_amount = Column(DECIMAL(15, 2), nullable=False, default=Decimal("0.00"), comment="最终金额")
    validity_days = Column(Integer, nullable=True, default=30, comment="有效期(天数)")
    quote_date = Column(Date, nullable=True, comment="报价日期")
    expire_date = Column(Date, nullable=True, comment="到期日期")
    status = Column(String(20), nullable=False, default="draft", comment="状态")
    reject_reason = Column(String(500), nullable=True, comment="拒绝原因")
    pdf_url = Column(String(500), nullable=True, comment="PDF文件路径")
    pdf_generated = Column(SmallInteger, nullable=True, default=0, comment="PDF是否已生成")
    share_link = Column(String(500), nullable=True, comment="分享链接")
    share_code = Column(String(50), nullable=True, comment="分享码")
    share_password = Column(String(100), nullable=True, comment="分享密码")
    share_expire_time = Column(DateTime, nullable=True, comment="分享链接过期时间")
    view_count = Column(Integer, nullable=True, default=0, comment="查看次数")
    last_view_time = Column(DateTime, nullable=True, comment="最后查看时间")
    owner_user_id = Column(String(64), nullable=False, comment="负责人ID")
    owner_user_name = Column(String(50), nullable=True, comment="负责人姓名(冗余)")
    supplier_id = Column(String(64), nullable=True, comment="报价主体ID")
    supplier_name = Column(String(200), nullable=True, comment="报价主体名称(冗余)")
    contract_id = Column(String(64), nullable=True, comment="关联合同ID")
    payment_terms = Column(String(500), nullable=True, comment="付款条款")
    delivery_terms = Column(String(500), nullable=True, comment="交付条款")
    freight = Column(DECIMAL(18, 2), nullable=False, default=Decimal("0.00"), comment="运费")
    attachments = Column(String(1000), nullable=True, comment="附件")
    template_content = Column(Text, nullable=True, comment="报价单模板内容")
    version_no = Column(Integer, nullable=True, default=0, comment="乐观锁版本号")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建者")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建部门")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新者")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmQuoteProduct(Base):
    """CRM-报价单产品明细表"""

    __tablename__ = "crm_quote_product"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    quote_id = Column(String(64), nullable=False, comment="报价单ID")
    product_id = Column(String(64), nullable=False, comment="产品ID")
    product_name = Column(String(200), nullable=False, comment="产品名称")
    product_no = Column(String(50), nullable=True, comment="产品编号")
    category_id = Column(String(64), nullable=True, comment="产品分类ID")
    category_name = Column(String(100), nullable=True, comment="产品分类名称")
    model = Column(String(100), nullable=True, comment="规格型号")
    unit = Column(String(20), nullable=True, default="件", comment="单位")
    quantity = Column(DECIMAL(20, 4), nullable=False, comment="数量")
    price = Column(DECIMAL(15, 2), nullable=False, default=Decimal("0.00"), comment="含税单价")
    discount = Column(DECIMAL(5, 2), nullable=True, default=Decimal("0.00"), comment="折扣(%)")
    subtotal = Column(DECIMAL(15, 2), nullable=False, default=Decimal("0.00"), comment="含税总价")
    tax_amount = Column(DECIMAL(15, 2), nullable=True, default=Decimal("0.00"), comment="税费")
    tax_rate = Column(DECIMAL(5, 2), nullable=True, default=Decimal("13.00"), comment="税率(%)")
    package_spec = Column(String(200), nullable=True, comment="包装规格")
    delivery_method = Column(String(200), nullable=True, comment="送货方式")
    description = Column(String(1000), nullable=True, comment="产品描述")
    sort = Column(Integer, nullable=True, default=0, comment="排序号")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建者")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建部门")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新者")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmQuoteApproval(Base):
    """CRM-报价单审批记录表"""

    __tablename__ = "crm_quote_approval"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    quote_id = Column(String(64), nullable=False, comment="报价单ID")
    quote_no = Column(String(50), nullable=True, comment="报价单编号(冗余)")
    step = Column(Integer, nullable=False, comment="审批步骤")
    approver_id = Column(String(64), nullable=False, comment="审批人ID")
    approver_name = Column(String(50), nullable=True, comment="审批人姓名(冗余)")
    approval_result = Column(String(20), nullable=True, default="pending", comment="审批结果")
    approval_opinion = Column(Text, nullable=True, comment="审批意见")
    approval_time = Column(DateTime, nullable=True, comment="审批时间")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建者")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建部门")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新者")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmQuoteShareLog(Base):
    """CRM-报价单分享访问日志表"""

    __tablename__ = "crm_quote_share_log"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    quote_id = Column(String(64), nullable=False, comment="报价单ID")
    share_code = Column(String(50), nullable=False, comment="分享码")
    visit_time = Column(DateTime, nullable=False, default=datetime.now, comment="访问时间")
    ip_address = Column(String(50), nullable=True, comment="IP地址")
    location = Column(String(200), nullable=True, comment="地理位置")
    device_type = Column(String(50), nullable=True, comment="设备类型")
    browser = Column(String(100), nullable=True, comment="浏览器信息")
    stay_duration = Column(Integer, nullable=True, default=0, comment="停留时长(秒)")
    page_views = Column(Integer, nullable=True, default=1, comment="浏览页数")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建者")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建部门")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新者")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmClue(Base):
    """CRM-线索主表"""

    __tablename__ = "crm_clue"

    id = Column(String(64), primary_key=True, comment="主键ID")
    clue_name = Column(String(100), nullable=False, comment="线索姓名")
    mobile = Column(String(20), nullable=False, comment="手机号")
    company = Column(String(200), nullable=True, comment="公司名称")
    customer_type = Column(String(20), nullable=True, comment="客户类型(company-企业/person-个人)")
    telephone = Column(String(30), nullable=True, comment="固定电话")
    email = Column(String(100), nullable=True, comment="邮箱")
    title = Column(String(10), nullable=True, comment="称呼(先生/女士/其他)")
    position = Column(String(50), nullable=True, comment="职位")
    source = Column(String(20), nullable=False, comment="线索来源")
    level = Column(String(10), nullable=True, default="unrated", comment="线索等级(A/B/C/unrated)")
    industry = Column(String(50), nullable=True, comment="所属行业(字典 crm_customer_industry)")
    park_area = Column(String(100), nullable=True, comment="所在园区")
    province = Column(String(50), nullable=True, comment="省")
    city = Column(String(50), nullable=True, comment="市")
    district = Column(String(50), nullable=True, comment="区")
    address = Column(String(255), nullable=True, comment="详细地址")
    website = Column(String(500), nullable=True, comment="客户网站")
    intent_products = Column(String(500), nullable=True, comment="意向产品(多个用逗号分隔)")
    expect_time = Column(Date, nullable=True, comment="预计购买时间")
    budget = Column(String(20), nullable=True, comment="预算范围")
    requirement = Column(Text, nullable=True, comment="需求描述")
    status = Column(String(20), nullable=True, default="new", comment="线索状态(new/follow/invalid/converted)")
    owner_user_id = Column(String(64), nullable=True, comment="负责人ID")
    owner_user_name = Column(String(50), nullable=True, comment="负责人姓名(冗余)")
    last_time = Column(DateTime, nullable=True, comment="最后跟进时间")
    next_time = Column(DateTime, nullable=True, comment="下次联系时间")
    follow_count = Column(Integer, nullable=True, default=0, comment="跟进次数")
    is_converted = Column(SmallInteger, nullable=True, default=0, comment="是否已转化(0-否 1-是)")
    converted_time = Column(DateTime, nullable=True, comment="转化时间")
    customer_id = Column(String(64), nullable=True, comment="转化的客户ID")
    converted_by = Column(String(64), nullable=True, comment="转化操作人")
    assign_time = Column(DateTime, nullable=True, comment="分配时间")
    assign_by = Column(String(64), nullable=True, comment="分配人")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(512), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人ID")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人ID")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmClueFollow(Base):
    """CRM-线索跟进记录表"""

    __tablename__ = "crm_clue_follow"

    id = Column(String(64), primary_key=True, comment="主键ID")
    clue_id = Column(String(64), nullable=False, comment="线索ID")
    clue_name = Column(String(100), nullable=True, comment="线索姓名(冗余)")
    follow_type = Column(String(20), nullable=False, comment="跟进方式(电话/微信/邮件/拜访/其他)")
    follow_content = Column(Text, nullable=False, comment="跟进内容")
    next_time = Column(DateTime, nullable=True, comment="下次联系时间")
    attachments = Column(String(1000), nullable=True, comment="附件(多个用逗号分隔)")
    create_by_name = Column(String(50), nullable=True, comment="跟进人姓名(冗余)")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(512), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人ID")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人ID")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmPriceLetter(Base):
    """CRM-调价函档案（独立，不关联合同/报价单）"""

    __tablename__ = "crm_price_letter"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    letter_type = Column(String(20), nullable=False, comment="类型 receive接受/send发出")
    adjust_date = Column(Date, nullable=False, comment="调价日期")
    customer_id = Column(String(64), nullable=False, comment="客户ID")
    customer_name = Column(String(200), nullable=True, comment="客户名称(冗余)")
    product_id = Column(String(64), nullable=False, comment="产品ID")
    product_name = Column(String(200), nullable=True, comment="产品名称(冗余)")
    price = Column(DECIMAL(15, 2), nullable=False, comment="调整后现金价格(元)")
    bill_price = Column(DECIMAL(15, 2), nullable=False, default=Decimal("0.00"), comment="调整后汇票价格(元)")
    content = Column(Text, nullable=True, comment="发出类富文本HTML")
    attachment_urls = Column(String(4000), nullable=True, comment="附件URL(逗号分隔)")
    status = Column(String(20), nullable=False, default="normal", comment="状态 normal/invalid")
    invalid_reason = Column(String(200), nullable=True, comment="作废原因")
    invalid_time = Column(DateTime, nullable=True, comment="作废时间")
    invalid_by = Column(String(64), nullable=True, comment="作废人ID")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(512), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人ID")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人ID")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")


class CrmSupplierInfo(Base):
    """CRM-供方信息表"""

    __tablename__ = "crm_supplier_info"

    id = Column(String(64), primary_key=True, comment="主键ID（UUID）")
    supplier_name = Column(String(200), nullable=False, comment="供方名称（章）")
    short_name = Column(String(100), nullable=True, comment="简称")
    supplier_code = Column(String(50), nullable=True, comment="编码")
    supplier_address = Column(String(500), nullable=True, comment="单位地址")
    legal_person = Column(String(100), nullable=True, comment="法定代表人")
    agent = Column(String(100), nullable=True, comment="代理人")
    phone_fax = Column(String(100), nullable=True, comment="电话/传真")
    bank_name = Column(String(200), nullable=True, comment="开户银行")
    bank_account = Column(String(100), nullable=True, comment="账号")
    status = Column(String(1), nullable=True, default="0", comment="状态（0正常 1停用）")
    tenant_no = Column(String(64), nullable=False, default="shanxia2.0", comment="租户编号")
    order_num = Column(Integer, nullable=True, comment="排序号")
    remark = Column(String(500), nullable=True, comment="备注")
    create_by = Column(String(64), nullable=True, comment="创建人ID")
    create_dept_id = Column(String(64), nullable=False, default="", comment="创建人部门ID")
    create_time = Column(DateTime, nullable=False, default=datetime.now, comment="创建时间")
    update_by = Column(String(64), nullable=True, comment="更新人ID")
    update_time = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now, comment="更新时间")
    del_flag = Column(SmallInteger, nullable=False, default=0, comment="删除标记")