release(main): 同步 dev 最新候选改动

frontend/src/views/admin/loginActivitySources.ts

@@ -0,0 +1,56 @@
+import type { UserLoginActivity } from "../../types/api";
+
+export type DisplayLoginActivity = UserLoginActivity & { grouped_count: number };
+
+type ActivityStatus = NonNullable<UserLoginActivity["activity_status"]>;
+
+const activityTime = (value: string) => new Date(value).getTime();
+
+export const activitySourceKey = (item: UserLoginActivity) => {
+  if (!item.login_ip) return `session:${item.id}`;
+  return [item.client_type, item.login_ip].join("|");
+};
+
+export const groupLoginActivitiesBySource = (
+  activities: UserLoginActivity[],
+  resolveStatus: (item: UserLoginActivity) => ActivityStatus,
+): DisplayLoginActivity[] => {
+  const grouped = new Map<
+    string,
+    { row: DisplayLoginActivity; firstLoginAt: string; hasOnlineSession: boolean }
+  >();
+
+  activities.forEach((item) => {
+    const key = activitySourceKey(item);
+    const status = resolveStatus(item);
+    const existing = grouped.get(key);
+    if (!existing) {
+      grouped.set(key, {
+        row: { ...item, activity_status: status, grouped_count: 1 },
+        firstLoginAt: item.login_at,
+        hasOnlineSession: status === "ONLINE",
+      });
+      return;
+    }
+
+    existing.row.grouped_count += 1;
+    existing.hasOnlineSession ||= status === "ONLINE";
+    if (activityTime(item.login_at) < activityTime(existing.firstLoginAt)) {
+      existing.firstLoginAt = item.login_at;
+    }
+    if (activityTime(item.last_seen_at) > activityTime(existing.row.last_seen_at)) {
+      const groupedCount = existing.row.grouped_count;
+      existing.row = { ...item, activity_status: status, grouped_count: groupedCount };
+    }
+  });
+
+  return Array.from(grouped.values())
+    .map(({ row, firstLoginAt, hasOnlineSession }) => ({
+      ...row,
+      login_at: firstLoginAt,
+      activity_status: hasOnlineSession ? "ONLINE" : row.activity_status,
+      ended_at: hasOnlineSession ? null : row.ended_at,
+      end_reason: hasOnlineSession ? null : row.end_reason,
+    }))
+    .sort((left, right) => activityTime(right.last_seen_at) - activityTime(left.last_seen_at));
+};