initial work of the arcline tickets

models.py

@@ -0,0 +1,54 @@
+"""Ticket data model for the ticketing system."""
+
+from dataclasses import dataclass, field, asdict
+from datetime import datetime, timezone
+from enum import Enum
+from typing import Optional
+
+
+class TicketStatus(str, Enum):
+    OPEN = "open"
+    IN_PROGRESS = "in_progress"
+    RESOLVED = "resolved"
+    CLOSED = "closed"
+
+
+class TicketPriority(str, Enum):
+    LOW = "low"
+    MEDIUM = "medium"
+    HIGH = "high"
+    CRITICAL = "critical"
+
+
+@dataclass
+class Ticket:
+    title: str
+    description: str
+    priority: TicketPriority = TicketPriority.MEDIUM
+    status: TicketStatus = TicketStatus.OPEN
+    assignee: str = ""
+    project: str = ""
+    id: Optional[int] = None
+    created_at: str = ""
+    updated_at: str = ""
+
+    def __post_init__(self) -> None:
+        now = datetime.now(timezone.utc).isoformat()
+        if not self.created_at:
+            self.created_at = now
+        if not self.updated_at:
+            self.updated_at = now
+
+    def to_dict(self) -> dict:
+        data = asdict(self)
+        data["priority"] = self.priority.value
+        data["status"] = self.status.value
+        return data
+
+    @classmethod
+    def from_dict(cls, data: dict) -> "Ticket":
+        data = dict(data)  # shallow copy
+        data["priority"] = TicketPriority(data["priority"])
+        data["status"] = TicketStatus(data["status"])
+        return cls(**data)
+