add dashboard

dashboard/server/api/metrics/[project_id]/timeline/sessions_duration.post.ts

@@ -0,0 +1,26 @@
+import { getTimeline } from "./generic";
+import { Redis, TIMELINE_EXPIRE_TIME } from "~/server/services/CacheService";
+import { getUserProjectFromId } from "~/server/LIVE_DEMO_DATA";
+import { SessionModel } from "@schema/metrics/SessionSchema";
+
+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 { slice, duration } = await readBody(event);
+
+    return await Redis.useCache({ key: `timeline:sessions_duration:${project_id}:${slice}`, exp: TIMELINE_EXPIRE_TIME }, async () => {
+        const timelineSessionsDuration = await getTimeline(SessionModel, project_id, slice, duration, {},
+            { duration: { $sum: '$duration' } },
+            { count: { $divide: ["$duration", "$count"] } }
+        );
+        return timelineSessionsDuration;
+    });
+
+
+
+});