feat: add summoner/champions endpoint

server-new/app/Controllers/Http/SummonersController.ts

@@ -5,6 +5,7 @@ import Jax from 'App/Services/Jax'
 import MatchService from 'App/Services/MatchService'
 import SummonerService from 'App/Services/SummonerService'
 import SummonerBasicValidator from 'App/Validators/SummonerBasicValidator'
+import SummonerChampionValidator from 'App/Validators/SummonerChampionValidator'
 
 export default class SummonersController {
   /**
@@ -22,8 +23,8 @@ export default class SummonersController {
    */
   public async basic ({ request, response }: HttpContextContract) {
     console.time('all')
-    const { summoner, region} = await request.validate(SummonerBasicValidator)
-    const finalJSON:any = {}
+    const { summoner, region } = await request.validate(SummonerBasicValidator)
+    const finalJSON: any = {}
 
     try {
       const account = await SummonerService.getAccount(summoner, region)
@@ -36,7 +37,7 @@ export default class SummonersController {
 
       // Summoner in DB
       let summonerDB = await Summoner.findOne({ puuid: account.puuid })
-      if(!summonerDB) {
+      if (!summonerDB) {
         summonerDB = await Summoner.create({ puuid: account.puuid })
       }
 
@@ -69,4 +70,16 @@ export default class SummonersController {
     console.timeEnd('all')
     return response.json(finalJSON)
   }
+
+  /**
+   * POST: get champions view summoner data
+   * @param ctx 
+   */
+  public async champions ({ request, response }) {
+    console.time('championsRequest')
+    const { puuid, queue, season } = await request.validate(SummonerChampionValidator)
+    const championStats = await MatchRepository.championCompleteStats(puuid, queue, season)
+    console.timeEnd('championsRequest')
+    return response.json(championStats)
+  }
 }

server-new/app/Repositories/MatchRepository.ts

@@ -2,39 +2,114 @@ import mongodb from '@ioc:Mongodb/Database'
 import { Collection } from 'mongodb'
 
 class MatchRepository {
-  private season?: number
   private collection: Collection
 
   constructor () {
     this.getCollection()
   }
 
-  /**
-   * Get MongoDB matches collection
-   */
-  private async getCollection () {
-    this.collection = await mongodb.connection().collection('matches')
-  }
-
   /**
    * Basic matchParams used in a lot of requests
    * @param puuid of the summoner
    */
-  private matchParams (puuid: string) {
+  private matchParams (puuid: string, season?: number) {
     return {
       summoner_puuid: puuid,
       result: { $not: { $eq: 'Remake' } },
       gamemode: { $nin: [800, 810, 820, 830, 840, 850] },
-      season: this.season ? this.season : { $exists: true },
+      season: season ? season : { $exists: true },
     }
   }
 
+  /**
+   * Build the aggregate mongo query
+   * @param puuid 
+   * @param matchParams 
+   * @param intermediateSteps 
+   * @param groupId 
+   * @param groupParams 
+   * @param finalSteps 
+   */
+  private async aggregate (
+    puuid: string,
+    matchParams: object,
+    intermediateSteps: any[],
+    groupId: any,
+    groupParams: object,
+    finalSteps: any[],
+    season?: number,
+  ) {
+    return this.collection.aggregate([
+      {
+        $match: {
+          ...this.matchParams(puuid, season),
+          ...matchParams,
+        },
+      },
+      ...intermediateSteps,
+      {
+        $group: {
+          _id: groupId,
+          count: { $sum: 1 },
+          wins: {
+            $sum: {
+              $cond: [{ $eq: ['$result', 'Win'] }, 1, 0],
+            },
+          },
+          losses: {
+            $sum: {
+              $cond: [{ $eq: ['$result', 'Fail'] }, 1, 0],
+            },
+          },
+          ...groupParams,
+        },
+      },
+      ...finalSteps,
+    ]).toArray()
+  }
+
+  /**
+   * Get MongoDB matches collection
+   */
+  public async getCollection () {
+    if (!this.collection) {
+      this.collection = await mongodb.connection().collection('matches')
+    }
+  }
+
+  /**
+   * Get Summoner's complete statistics for the all played champs
+   * @param puuid  of the summoner
+   * @param queue  of the matches to fetch, if not set: get all matches
+   * @param season of the matches to fetch, if not set: get all seasons
+   */
+  public async championCompleteStats (puuid: string, queue?: number, season?: number) {
+    const matchParams = queue ? { gamemode: { $eq: Number(queue) } } : {}
+    const groupParams = {
+      time: { $sum: '$time' },
+      gameLength: { $avg: '$time' },
+      date: { $max: '$date' },
+      champion: { $first: '$champion' },
+      kills: { $sum: '$stats.kills' },
+      deaths: { $sum: '$stats.deaths' },
+      assists: { $sum: '$stats.assists' },
+      minions: { $avg: '$stats.minions' },
+      gold: { $avg: '$stats.gold' },
+      dmgChamp: { $avg: '$stats.dmgChamp' },
+      dmgTaken: { $avg: '$stats.dmgTaken' },
+      kp: { $avg: '$stats.kp' },
+    }
+    const finalSteps = [
+      { $sort: { 'count': -1, 'champion.name': 1 } },
+    ]
+    return this.aggregate(puuid, matchParams, [], '$champion.id', groupParams, finalSteps, season)
+  }
+
   /**
    * Get Summoner's played seasons
    * @param puuid of the summoner
    */
   public async seasons (puuid: string) {
-    this.season = undefined
     return this.collection.aggregate([
       {
         $match: {

server-new/app/Validators/SummonerChampionValidator.ts

@@ -0,0 +1,54 @@
+import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'
+import { schema } from '@ioc:Adonis/Core/Validator'
+
+export default class SummonerChampionValidator {
+  constructor (private ctx: HttpContextContract) {
+  }
+
+  /**
+   * Defining a schema to validate the "shape", "type", "formatting" and "integrity" of data.
+   *
+   * For example:
+   * 1. The username must be of data type string. But then also, it should
+   *    not contain special characters or numbers.
+   *    ```
+   *     schema.string({}, [ rules.alpha() ])
+   *    ```
+   *
+   * 2. The email must be of data type string, formatted as a valid
+   *    email. But also, not used by any other user.
+   *    ```
+   *     schema.string({}, [
+   *       rules.email(),
+   *       rules.unique({ table: 'users', column: 'email' }),
+   *     ])
+   *    ```
+   */
+  public schema = schema.create({
+    puuid: schema.string(),
+    queue: schema.number.optional(),
+    season: schema.number.optional(),
+  })
+
+  /**
+   * The `schema` first gets compiled to a reusable function and then that compiled
+   * function validates the data at runtime.
+   *
+   * Since, compiling the schema is an expensive operation, you must always cache it by
+   * defining a unique cache key. The simplest way is to use the current request route
+   * key, which is a combination of the route pattern and HTTP method.
+   */
+  public cacheKey = this.ctx.routeKey
+
+  /**
+   * Custom messages for validation failures. You can make use of dot notation `(.)`
+   * for targeting nested fields and array expressions `(*)` for targeting all
+   * children of an array. For example:
+   *
+   * {
+   *   'profile.username.required': 'Username is required',
+   *   'scores.*.number': 'Define scores as valid numbers'
+   * }
+  */
+  public messages = {}
+}

server-new/providers/AppProvider.ts

@@ -8,8 +8,11 @@ export default class AppProvider {
     // Register your own bindings
   }
 
-  public boot () {
+  public async boot () {
     // IoC container is ready
+
+    // Load Match Collections
+    await import('App/Repositories/MatchRepository')
   }
 
   public shutdown () {