Cache /player on backend for fastest response

src/client/client.ts

@@ -3,6 +3,7 @@ import { param } from 'express-validator'
 import { validateErrors } from '../common'
 import db, { getHostList } from '../db/db'
 import { sql } from 'kysely'
+import { allData } from '../process/process'
 
 const { max, sum } = db.fn
 const router = Router()
@@ -31,8 +32,8 @@ const path = {
 
 interface KillRecord {
   kills: number
-  deaths?: number
+  deaths: number
-  deaths_while_equipped?: number
+  deaths_while_equipped: number
   username?: string
   max_distance: number
   total_distance: number
@@ -72,21 +73,25 @@ router.get('/players',
   (req, res) => {
     void (async () => {
       let result = db.selectFrom('kill_view')
-      if (req.query) {
+      let data
+      if (Object.keys(req.query).length > 0) {
         result = processQueryArgs(result, req.query as unknown as string | string[])
+        const selection = result.select([sum<number>('kills').as('kills'), sum<number>('deaths').as('deaths'), sum<number>('deaths_with_weapon').as('deaths_while_equipped'), 'attacker_id', sql<string>`last(attacker_name)`.as('username'), sum<number>('total_distance').as('total_distance'), max('max_distance').as('max_distance')]).groupBy('attacker_id')
+        data = (await selection.execute()).reduce<Record<string, KillRecord>>((acc, curr) => {
+          acc[curr.attacker_id] = {
+            kills: Number(curr.kills),
+            deaths: Number(curr.deaths),
+            max_distance: Number(curr.max_distance),
+            total_distance: Number(curr.total_distance),
+            deaths_while_equipped: Number(curr.deaths_while_equipped),
+            username: curr.username
+          }
+          return acc
+        }, {})
+      } else {
+        data = allData
       }
-      const selection = result.select([sum<number>('kills').as('kills'), sum<number>('deaths').as('deaths'), sum<number>('deaths_with_weapon').as('deaths_while_equipped'), 'attacker_id', sql<string>`last(attacker_name)`.as('username'), sum<number>('total_distance').as('total_distance'), max('max_distance').as('max_distance')]).groupBy('attacker_id')
+
-      const data = (await selection.execute()).reduce<Record<string, KillRecord>>((acc, curr) => {
-        acc[curr.attacker_id] = {
-          kills: Number(curr.kills),
-          deaths: Number(curr.deaths),
-          max_distance: Number(curr.max_distance),
-          total_distance: Number(curr.total_distance),
-          deaths_while_equipped: Number(curr.deaths_while_equipped),
-          username: curr.username
-        }
-        return acc
-      }, {})
       const dataString = JSON.stringify(data)
       const buffer = Buffer.from(dataString)
       const size = buffer.length

src/clientMain.ts

@@ -5,6 +5,8 @@ import express from 'express'
 import cors from 'cors'
 import client from './client/client'
 import { dbReady } from './db/db'
+import processAll from './process/process'
+import listenKills from './process/onKill'
 dotenv.config()
 
 const cCPUs = os.cpus().length
@@ -38,6 +40,8 @@ new Promise((resolve, reject) => {
       app.use('/', client)
 
       await dbReady()
+      await processAll()
+      await listenKills()
       const listenServer = app.listen(port, '0.0.0.0', () => {
         console.log(`Tone client api listening on port ${port}`)
         resolve(listenServer)

src/process/onKill.ts

@@ -1,5 +1,5 @@
 import { Client } from 'pg'
-// import { allData } from './process'
+import { allData } from './process'
 
 export const pgClient = new Client({
   host: process.env.POSTGRES_HOST,
@@ -12,53 +12,23 @@ export default async function listenKills () {
   await pgClient.connect()
   await pgClient.query('LISTEN new_kill')
 
-  /* pgClient.on('notification', (data) => {
+  pgClient.on('notification', (data) => {
     if (!data.payload) return
     const payload = JSON.parse(data.payload)
+    console.log(`recieved kill for ${payload.attacker_name as string}`)
+    let killEntry = allData[payload.attacker_id]
+    let deathEntry = allData[payload.victim_id]
 
-    let killEntry = allData.find(
-      (e) =>
-        e.attacker_id == payload.attacker_id &&
-                e.cause_of_death == payload.cause_of_death &&
-                e.game_mode == payload.game_mode &&
-                e.host == payload.host &&
-                e.map == payload.map &&
-                e.servername == payload.servername
-    )
-    let deathEntry = allData.find(
-      (e) =>
-        e.attacker_id == payload.victim_id &&
-                e.cause_of_death == payload.cause_of_death &&
-                e.game_mode == payload.game_mode &&
-                e.host == payload.host &&
-                e.map == payload.map &&
-                e.servername == payload.servername
-    )
-    let deathWithWeaponEntry = allData.find(
-      (e) =>
-        e.attacker_id == payload.victim_id &&
-                e.cause_of_death == payload.victim_current_weapon &&
-                e.game_mode == payload.game_mode &&
-                e.host == payload.host &&
-                e.map == payload.map &&
-                e.servername == payload.servername
-    )
     if (!killEntry) {
       killEntry = {
         kills: 0,
         deaths: 0,
         max_distance: 0,
         total_distance: 0,
-        deaths_with_weapon: 0,
+        deaths_while_equipped: 0,
-        attacker_name: payload.attacker_name,
+        username: payload.attacker_name
-        attacker_id: payload.attacker_id,
-        cause_of_death: payload.cause_of_death,
-        game_mode: payload.game_mode,
-        host: payload.host,
-        map: payload.map,
-        servername: payload.servername
       }
-      allData.push(killEntry)
+      allData[payload.attacker_id] = killEntry
     }
 
     if (!deathEntry) {
@@ -67,47 +37,21 @@ export default async function listenKills () {
         deaths: 0,
         max_distance: 0,
         total_distance: 0,
-        deaths_with_weapon: 0,
+        deaths_while_equipped: 0,
-        attacker_name: payload.victim_name,
+        username: payload.attacker_name
-        attacker_id: payload.victim_id,
-        cause_of_death: payload.cause_of_death,
-        game_mode: payload.game_mode,
-        host: payload.host,
-        map: payload.map,
-        servername: payload.servername
       }
-      allData.push(deathEntry)
+      allData[payload.victim_id] = deathEntry
     }
 
-    if (!deathWithWeaponEntry) {
+    if (payload.victim_id !== payload.attacker_id) {
-      deathWithWeaponEntry = {
-        kills: 0,
-        deaths: 0,
-        max_distance: 0,
-        total_distance: 0,
-        deaths_with_weapon: 0,
-        attacker_name: payload.victim_name,
-        attacker_id: payload.victim_id,
-        cause_of_death: payload.victim_current_weapon,
-        game_mode: payload.game_mode,
-        host: payload.host,
-        map: payload.map,
-        servername: payload.servername
-      }
-      allData.push(deathWithWeaponEntry)
-    }
-
-    if (payload.victim_id != payload.attacker_id) {
       killEntry.kills++
       killEntry.total_distance = Number(killEntry.total_distance) + Number(payload.distance)
       killEntry.max_distance = Math.max(killEntry.max_distance || 0, payload.distance)
     }
     deathEntry.deaths++
-    deathEntry.attacker_name = payload.victim_name
+    deathEntry.deaths_while_equipped++
-    deathWithWeaponEntry.deaths_with_weapon++
+    deathEntry.username = payload.victim_name
-    deathWithWeaponEntry.attacker_name = payload.victim_name
+    killEntry.username = payload.attacker_name
-    killEntry.attacker_name = payload.attacker_name
+  })
-
-  }) */
   return pgClient
 }

src/process/process.ts

@@ -1,6 +1,6 @@
 import db from '../db/db'
 import { sql } from 'kysely'
-const { count, max, sum, coalesce } = db.fn
+const { max, sum } = db.fn
 
 export let allData: Awaited<ReturnType<typeof processGlobalStats>>
 
@@ -12,119 +12,31 @@ async function processAll (): Promise<void> {
   console.log('Starting data calculation...')
   const timeStart = new Date()
 
-  // allData = await processGlobalStats()
+  allData = await processGlobalStats()
 
   console.log(`Data calculation finished. Took + ${Math.abs(new Date().getTime() - timeStart.getTime()) / 1000} seconds`)
 }
 
+interface KillRecord {
+  kills: number
+  deaths: number
+  deaths_while_equipped: number
+  username?: string
+  max_distance: number
+  total_distance: number
+}
+
 async function processGlobalStats () {
-  return await db
+  const data = await db.selectFrom('kill_view').select(['attacker_id', sql<string>`last(attacker_name)`.as('username'), sum('kills').as('kills'), sum('deaths').as('deaths'), sum('deaths_with_weapon').as('deaths_while_equipped'), sum('total_distance').as('total_distance'), max('max_distance').as('max_distance')]).groupBy('attacker_id').execute()
-    .with('kills', (db) =>
+  return data.reduce<Record<string, KillRecord>>((acc, curr) => {
-      db
+    acc[curr.attacker_id] = {
-        .selectFrom('kill')
+      kills: Number(curr.kills),
-        .select([
+      deaths: Number(curr.deaths),
-          count<number>('id').as('kills'),
+      max_distance: Number(curr.max_distance),
-          coalesce(
+      total_distance: Number(curr.total_distance),
-            max<number | null, 'distance'>('distance'),
+      deaths_while_equipped: Number(curr.deaths_while_equipped)
-            sql<number>`0`
+    }
-          ).as('max_distance'),
+    return acc
-          coalesce(sum<number | null>('distance'), sql<number>`0`).as(
+  }, {})
-            'total_distance'
-          ),
-          'attacker_id',
-          sql<string>`last(attacker_name)`.as('attacker_name'),
-          'cause_of_death',
-          'map',
-          'game_mode',
-          'servername',
-          'host'
-        ])
-        .whereRef('attacker_id', '!=', 'victim_id')
-        .groupBy([
-          'attacker_id',
-          'cause_of_death',
-          'map',
-          'servername',
-          'host',
-          'game_mode'
-        ])
-    )
-    .with('deaths', (db) =>
-      db
-        .selectFrom('kill')
-        .select([
-          count<number>('id').as('deaths'),
-          'victim_id',
-          sql<string>`last(victim_name)`.as('victim_name'),
-          'cause_of_death',
-          'map',
-          'game_mode',
-          'servername',
-          'host'
-        ])
-        .groupBy([
-          'victim_id',
-          'cause_of_death',
-          'map',
-          'servername',
-          'host',
-          'game_mode'
-        ])
-    ).with('deathswithweapon', (db) =>
-      db
-        .selectFrom('kill')
-        .select([
-          count<number>('id').as('deaths'),
-          'victim_id',
-          'victim_current_weapon',
-          'map',
-          'game_mode',
-          'servername',
-          'host'
-        ])
-        .groupBy([
-          'victim_id',
-          'victim_current_weapon',
-          'map',
-          'servername',
-          'host',
-          'game_mode'
-        ])
-    )
-    .selectFrom('kills')
-    .fullJoin('deaths', (join) =>
-      join
-        .onRef('deaths.victim_id', '=', 'kills.attacker_id')
-        .onRef('deaths.cause_of_death', '=', 'kills.cause_of_death')
-        .onRef('deaths.servername', '=', 'kills.servername')
-        .onRef('deaths.host', '=', 'kills.host')
-        .onRef('deaths.game_mode', '=', 'kills.game_mode')
-        .onRef('deaths.map', '=', 'kills.map')
-    )
-    .leftJoin('deathswithweapon', (join) =>
-      join
-        .onRef('deathswithweapon.victim_id', '=', 'kills.attacker_id')
-        .onRef('deathswithweapon.victim_current_weapon', '=', 'kills.cause_of_death')
-        .onRef('deathswithweapon.servername', '=', 'kills.servername')
-        .onRef('deathswithweapon.host', '=', 'kills.host')
-        .onRef('deathswithweapon.game_mode', '=', 'kills.game_mode')
-        .onRef('deathswithweapon.map', '=', 'kills.map')
-    )
-    // .selectAll('kills')
-    .select([
-      sql<string>`COALESCE(kills.attacker_name, deaths.victim_name)`.as('attacker_name'),
-      sql<string>`COALESCE(kills.attacker_id, deaths.victim_id)`.as('attacker_id'),
-      sql<number>`COALESCE(kills.kills, 0)`.as('kills'),
-      sql<number>`COALESCE(kills.total_distance, 0)`.as('total_distance'),
-      sql<number>`COALESCE(deathswithweapon.deaths, 0)`.as('deaths_with_weapon'),
-      sql<number>`COALESCE(kills.max_distance, 0)`.as('max_distance'),
-      sql<number>`COALESCE(deaths.deaths, 0)`.as('deaths'),
-      sql<string>`COALESCE(kills.servername, deaths.servername)`.as('servername'),
-      sql<number>`COALESCE(kills.host, deaths.host)`.as('host'),
-      sql<string>`COALESCE(kills.cause_of_death, deaths.cause_of_death)`.as('cause_of_death'),
-      sql<string>`COALESCE(kills.map, deaths.map)`.as('map'),
-      sql<string>`COALESCE(kills.game_mode, deaths.game_mode)`.as('game_mode')
-    ])
-    .execute()
 }
 export default processAll

tests/realtime.test.ts

@@ -112,7 +112,6 @@ describe('realtime', () => {
 
     test('update player', async () => {
         jest.setTimeout(15000)
-        const yea = waitFor(1000)
         const response = await fetch(`http://127.0.0.1:3001/kill`, {
             method: "POST", // *GET, POST, PUT, DELETE, etc.
             credentials: "same-origin", // include, *same-origin, omit
@@ -123,10 +122,12 @@ describe('realtime', () => {
             body: JSON.stringify(data), // body data type must match "Content-Type" header
         });
         expect(response.status).toBe(201)
+        const yea = waitFor(1000)
         await yea
     })
 
     test('check player update', async () => {
+        
         const request = await fetch("http://127.0.0.1:3000/players")
         const data = await request.json()
         const player = data["1"]