fix(topology): validate time and list missions

2026-07-09 21:47:29 +08:00
parent 270956c348
commit 808276e225
3 changed files with 101 additions and 2 deletions
@@ -3,6 +3,37 @@
 from topology_api.db import read_cursor


+def fetch_missions(base_code):
+    """Return missions for a base with their latest recorded event."""
+    with read_cursor() as cur:
+        cur.execute("""
+            SELECT
+                m.code,
+                m.title,
+                m.occurrence_status,
+                MAX(me.effective_at) AS last_event_at
+            FROM missions m
+            JOIN bases b ON b.id = m.base_id
+            LEFT JOIN mission_events me ON me.mission_id = m.id
+            WHERE b.code = %(base_code)s
+            GROUP BY m.id, m.code, m.title, m.occurrence_status
+            ORDER BY MIN(me.effective_at) NULLS LAST, m.code
+        """, {"base_code": base_code})
+        return [
+            {
+                "code": row["code"],
+                "title": row["title"],
+                "occurrenceStatus": row["occurrence_status"],
+                "lastEventAt": (
+                    row["last_event_at"].isoformat()
+                    if row["last_event_at"] is not None
+                    else None
+                ),
+            }
+            for row in cur.fetchall()
+        ]
+
+
 def resolve_snapshot_time(requested_mission=None, requested_at=None):
    """Determine the snapshot timestamp per spec.