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Python

"""
TicketIssue Model - ServiceManagerWeb
Asuntos de escalación asociados a tickets.
Creados por el dueño del ticket o el CLIENT_ADMIN del tenant.
"""
from sqlalchemy import String, ForeignKey, Text, Table, Column
from sqlalchemy.orm import Mapped, mapped_column, relationship
from typing import Optional, List
from datetime import datetime
import enum
import uuid
from app.core.database import Base, GUID
from app.models.ticket import TicketPriority
from sqlalchemy import Enum as SAEnum
from sqlalchemy.dialects.postgresql import ENUM as PG_ENUM
class IssueStatus(str, enum.Enum):
OPEN = "OPEN"
IN_PROGRESS = "IN_PROGRESS"
RESOLVED = "RESOLVED"
CLOSED = "CLOSED"
# Tabla de relación N:M entre TicketIssue y User (usuarios etiquetados)
ticket_issue_tagged_users = Table(
"ticket_issue_tagged_users",
Base.metadata,
Column(
"issue_id",
GUID(),
ForeignKey("ticket_issues.id", ondelete="CASCADE"),
primary_key=True,
nullable=False,
),
Column(
"user_id",
GUID(),
ForeignKey("users.id", ondelete="CASCADE"),
primary_key=True,
nullable=False,
),
)
class TicketIssue(Base):
__tablename__ = "ticket_issues"
tenant_id: Mapped[uuid.UUID] = mapped_column(
GUID(),
ForeignKey("tenants.id", ondelete="CASCADE"),
nullable=False,
)
ticket_id: Mapped[uuid.UUID] = mapped_column(
GUID(),
ForeignKey("tickets.id", ondelete="CASCADE"),
nullable=False,
)
created_by: Mapped[uuid.UUID] = mapped_column(
GUID(),
ForeignKey("users.id"),
nullable=False,
)
content: Mapped[str] = mapped_column(Text, nullable=False)
priority: Mapped[TicketPriority] = mapped_column(
SAEnum(TicketPriority, name="ticket_priority_enum", native_enum=False).with_variant(
PG_ENUM(TicketPriority, name="ticket_priority_enum", create_type=True),
"postgresql",
),
default=TicketPriority.MEDIUM,
nullable=False,
)
status: Mapped[IssueStatus] = mapped_column(
SAEnum(IssueStatus, name="issue_status_enum", native_enum=False).with_variant(
PG_ENUM(IssueStatus, name="issue_status_enum", create_type=True),
"postgresql",
),
default=IssueStatus.OPEN,
nullable=False,
)
attachment_path: Mapped[Optional[str]] = mapped_column(String(500), nullable=True)
attachment_filename: Mapped[Optional[str]] = mapped_column(String(255), nullable=True)
attachment_mime_type: Mapped[Optional[str]] = mapped_column(String(100), nullable=True)
ticket: Mapped["Ticket"] = relationship("Ticket", back_populates="issues")
created_by_user: Mapped["User"] = relationship("User", foreign_keys=[created_by])
tagged_users: Mapped[List["User"]] = relationship(
"User", secondary=ticket_issue_tagged_users,
)
def __repr__(self) -> str:
return f"<TicketIssue(id={self.id}, ticket={self.ticket_id}, status={self.status})>"