92 lines
2.8 KiB
Python
92 lines
2.8 KiB
Python
"""Deal ORM model and schemas."""
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from __future__ import annotations
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from datetime import datetime
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from decimal import Decimal
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from enum import StrEnum
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from pydantic import BaseModel, ConfigDict
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from sqlalchemy import DateTime, Enum as SqlEnum, ForeignKey, Integer, Numeric, String, func
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from app.models.base import Base, enum_values
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class DealStatus(StrEnum):
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NEW = "new"
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IN_PROGRESS = "in_progress"
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WON = "won"
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LOST = "lost"
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class DealStage(StrEnum):
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QUALIFICATION = "qualification"
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PROPOSAL = "proposal"
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NEGOTIATION = "negotiation"
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CLOSED = "closed"
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class Deal(Base):
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"""Represents a sales opportunity/deal."""
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__tablename__ = "deals"
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id: Mapped[int] = mapped_column(Integer, primary_key=True)
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organization_id: Mapped[int] = mapped_column(ForeignKey("organizations.id", ondelete="CASCADE"))
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contact_id: Mapped[int] = mapped_column(ForeignKey("contacts.id", ondelete="RESTRICT"))
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owner_id: Mapped[int] = mapped_column(ForeignKey("users.id", ondelete="RESTRICT"))
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title: Mapped[str] = mapped_column(String(255), nullable=False)
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amount: Mapped[Decimal | None] = mapped_column(Numeric(12, 2), nullable=True)
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currency: Mapped[str | None] = mapped_column(String(8), nullable=True)
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status: Mapped[DealStatus] = mapped_column(
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SqlEnum(DealStatus, name="deal_status", values_callable=enum_values),
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nullable=False,
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default=DealStatus.NEW,
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)
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stage: Mapped[DealStage] = mapped_column(
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SqlEnum(DealStage, name="deal_stage", values_callable=enum_values),
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nullable=False,
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default=DealStage.QUALIFICATION,
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)
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created_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True),
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server_default=func.now(),
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nullable=False,
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)
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updated_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True),
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server_default=func.now(),
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onupdate=func.now(),
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nullable=False,
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)
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organization = relationship("Organization", back_populates="deals")
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contact = relationship("Contact", back_populates="deals")
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owner = relationship("User", back_populates="owned_deals")
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tasks = relationship("Task", back_populates="deal", cascade="all, delete-orphan")
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activities = relationship("Activity", back_populates="deal", cascade="all, delete-orphan")
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class DealBase(BaseModel):
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organization_id: int
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contact_id: int
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owner_id: int
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title: str
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amount: Decimal | None = None
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currency: str | None = None
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status: DealStatus = DealStatus.NEW
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stage: DealStage = DealStage.QUALIFICATION
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class DealCreate(DealBase):
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pass
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class DealRead(DealBase):
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id: int
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created_at: datetime
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updated_at: datetime
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model_config = ConfigDict(from_attributes=True)
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