add dashboard

dashboard/server/api/metrics/[project_id]/data/oss.ts

@@ -0,0 +1,42 @@
+
+import { getUserProjectFromId } from "~/server/LIVE_DEMO_DATA";
+import { VisitModel } from "@schema/metrics/VisitSchema";
+import { DATA_EXPIRE_TIME, Redis } from "~/server/services/CacheService";
+
+
+export type OssAggregated = {
+    _id: string,
+    count: number
+}
+
+export default defineEventHandler(async event => {
+
+    const project_id = getRequestProjectId(event);
+    if (!project_id) return;
+
+    const user = getRequestUser(event);
+    const project = await getUserProjectFromId(project_id, user);
+    if (!project) return;
+
+
+    const limit = getRequestHeader(event, 'x-query-limit');
+    const numLimit = parseInt(limit || '10');
+
+
+    return await Redis.useCache({
+        key: `oss:${project_id}:${numLimit}`,
+        exp: DATA_EXPIRE_TIME
+    }, async () => {
+        const oss: OssAggregated[] = await VisitModel.aggregate([
+            { $match: { project_id: project._id }, },
+            { $group: { _id: "$os", count: { $sum: 1, } } },
+            { $sort: { count: -1 } },
+            { $limit: numLimit }
+        ]);
+
+        return oss;
+    });
+
+
+
+});