Upload model.py

model.py

@@ -0,0 +1,38 @@
+from typing import List, TypedDict
+from datetime import datetime
+
+class TaskItem(TypedDict):
+    task_id: str
+    priority: str  # low, normal, high, urgent
+    deadline_local: str  # ISO-like datetime string
+
+PRIORITY_ORDER = {
+    "urgent": 0,
+    "high": 1,
+    "normal": 2,
+    "low": 3,
+}
+
+def _priority_key(task: TaskItem):
+    pr = task.get("priority", "normal").lower()
+    pr_rank = PRIORITY_ORDER.get(pr, 2)
+    try:
+        dt = datetime.fromisoformat(task.get("deadline_local", ""))
+    except Exception:
+        dt = datetime.max
+    return (pr_rank, dt)
+
+def sort_tasks(tasks: List[TaskItem]) -> List[TaskItem]:
+    """Sort tasks by priority and deadline, highest priority first."""
+    return sorted(tasks, key=_priority_key)
+
+
+if __name__ == "__main__":
+    sample = [
+        {"task_id": "T1", "priority": "normal", "deadline_local": "2025-01-14 21:00"},
+        {"task_id": "T2", "priority": "urgent", "deadline_local": "2025-01-14 10:00"},
+        {"task_id": "T3", "priority": "high", "deadline_local": "2025-01-14 09:30"},
+        {"task_id": "T4", "priority": "low", "deadline_local": "2025-01-16 09:00"},
+    ]
+    for t in sort_tasks(sample):
+        print(t)