refactor: move analytics into services directory

services/analytics/src/models/sessions.ts

@@ -0,0 +1,99 @@
+import { Command, Session } from '../../../../packages/models'
+import Pagination from './pagination'
+import {
+  CommandObject,
+  SessionDetail,
+  SessionDocument,
+  SessionObject,
+} from '../interface.js'
+
+function formatTime(time: number) {
+  const seconds = Math.floor(time / 1000)
+  const minutes = Math.floor(seconds / 60)
+  const hours = Math.floor(minutes / 60)
+  return `${hours}h ${minutes % 60}m ${seconds % 60}s`
+}
+
+export async function sessionList(
+  pagination: Pagination
+): Promise<SessionObject[]> {
+  const sessions = await Session.aggregate([
+    pagination.match('_id'),
+    {
+      $lookup: {
+        from: 'users',
+        localField: 'user',
+        foreignField: '_id',
+        as: 'user',
+      },
+    },
+    { $unwind: '$user' },
+    {
+      $lookup: {
+        from: 'commands',
+        localField: '_id',
+        foreignField: 'session',
+        as: 'commands',
+      },
+    },
+    pagination.sort('_id'),
+    pagination.limit(),
+  ])
+
+  return sessions.map((session) => {
+    const {
+      _id,
+      user,
+      quest,
+      status,
+      createdAt,
+      finishedAt,
+      commands,
+      lastActivityAt,
+    } = session
+    return {
+      _id,
+      user: user.username, // Assuming `user` is always populated.
+      quest,
+      status,
+      createdAt: createdAt?.toLocaleString(),
+      finishedAt: finishedAt?.toLocaleString(),
+      lastActivityAt: lastActivityAt?.toLocaleString(),
+      usedTime:
+        lastActivityAt && createdAt
+          ? formatTime(lastActivityAt.getTime() - createdAt.getTime())
+          : 'N/A', // Ensure both dates are present
+      commandCount: commands?.length || 0,
+      commands,
+    }
+  })
+}
+
+export async function sessionDetail(id: string): Promise<SessionDetail> {
+  const session = (await Session.findById(id)
+    .populate('user')
+    .exec()) as unknown as SessionDocument
+  const commands: CommandObject[] = (await Command.find({ session: id })).map(
+    ({ command, pwd, output, error, createdAt, stage }): CommandObject => ({
+      command: command?.slice(0, 20),
+      pwd,
+      stage,
+      output: output?.slice(0, 50),
+      error: error?.slice(0, 50),
+      createdAt: createdAt?.toLocaleString(),
+    })
+  )
+  const { _id, user, quest, status, createdAt, finishedAt } = session
+  return {
+    _id,
+    user: user.username,
+    quest,
+    status,
+    createdAt: createdAt?.toLocaleString(),
+    finishedAt: finishedAt?.toLocaleString(),
+    usedTime: finishedAt
+      ? formatTime(finishedAt.getTime() - createdAt.getTime())
+      : '',
+    commands,
+  }
+}