Initial commit

backend/app/models/ticket.py

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+"""
+Ticket Model - ServiceManagerWeb
+"""
+from sqlalchemy import String, ForeignKey, Text
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from sqlalchemy.dialects.postgresql import UUID, ENUM
+from typing import Optional
+import enum
+import uuid
+
+from app.core.database import Base
+
+class TicketStatus(str, enum.Enum):
+    NEW = "NEW"
+    TRIAGE = "TRIAGE"
+    IN_PROGRESS = "IN_PROGRESS"
+    WAITING_FOR_CLIENT = "WAITING_FOR_CLIENT"
+    RESOLVED = "RESOLVED"
+    CLOSED = "CLOSED"
+    REOPENED = "REOPENED"
+
+class TicketPriority(str, enum.Enum):
+    LOW = "LOW"
+    MEDIUM = "MEDIUM"
+    HIGH = "HIGH"
+    URGENT = "URGENT"
+
+class Ticket(Base):
+    __tablename__ = "tickets"
+    
+    # Note: id, created_at, updated_at are inherited from Base
+    
+    tenant_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("tenants.id", ondelete="CASCADE"), nullable=False)
+    
+    ticket_number: Mapped[str] = mapped_column(String(20), nullable=False)
+    subject: Mapped[str] = mapped_column(String(255), nullable=False)
+    description: Mapped[str] = mapped_column(Text, nullable=False)
+    
+    status: Mapped[TicketStatus] = mapped_column(ENUM(TicketStatus, name="ticket_status_enum", create_type=False), default=TicketStatus.NEW)
+    priority: Mapped[TicketPriority] = mapped_column(ENUM(TicketPriority, name="ticket_priority_enum", create_type=False), default=TicketPriority.MEDIUM)
+    
+    # Foreign Keys
+    created_by: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
+    assigned_to: Mapped[Optional[uuid.UUID]] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=True)
+    
+    system_id: Mapped[Optional[uuid.UUID]] = mapped_column(UUID(as_uuid=True), ForeignKey("systems.id"), nullable=True)
+    category_id: Mapped[Optional[uuid.UUID]] = mapped_column(UUID(as_uuid=True), ForeignKey("categories.id"), nullable=True)
+
+    # Relationships
+    tenant: Mapped["Tenant"] = relationship("Tenant", back_populates="tickets")
+    
+    system: Mapped["System"] = relationship("System", back_populates="tickets")
+    category: Mapped["Category"] = relationship("Category", back_populates="tickets")
+    
+    created_by_user: Mapped["User"] = relationship(
+        "User", 
+        foreign_keys=[created_by], 
+        back_populates="created_tickets"
+    )
+    
+    assigned_to_user: Mapped[Optional["User"]] = relationship(
+        "User", 
+        foreign_keys=[assigned_to], 
+        back_populates="assigned_tickets"
+    )