Add user-specific quiz statistics

plugins/game.js

@@ -1,7 +1,7 @@
 export class Game {
   constructor (id, questions, created, player1id, player1name, player1answers, player2id, player2name, player2answers) {
     this.id = id
-    this.questions = questions
+    this.questionIds = questions
     this.created = created
     this.player1id = player1id
     this.player1name = player1name
@@ -10,13 +10,38 @@ export class Game {
     this.player2name = player2name
     this.player2answers = player2answers
   }
+
+  getResult () {
+    if (!this.questions) return {}
+    const qs = this.questions
+
+    function countCorrectAnswers(answersGiven) {
+      let i = 0
+      answersGiven.forEach(a => {
+        const q = qs.find(e => e.id === a.frage)
+        if (q && a.antwort === q.correctAnswer) i++
+      })
+      return i
+    }
+
+    const correctAnswersPl1 = countCorrectAnswers(this.player1answers)
+    const correctAnswersPl2 = countCorrectAnswers(this.player2answers)
+
+    return {
+      winner: correctAnswersPl1 > correctAnswersPl2 ? 1 : 2,
+      loser: correctAnswersPl1 > correctAnswersPl2 ? 2 : 1,
+      tie: correctAnswersPl1 === correctAnswersPl2,
+      correctAnswersPl1,
+      correctAnswersPl2
+    }
+  }
 }
 
 // Firestore data converter
 export const GameConverter = {
   toFirestore: (game) => {
     return {
-      fragen: game.questions,
+      fragen: game.questionIds,
       erstellt: game.created,
       spieler1id: game.player1id,
       spieler1name: game.player1name,

plugins/user.js

@@ -1,20 +1,48 @@
 export class User {
-  constructor (displayName, courses, gamesStarted) {
+  constructor (displayName, courses, games, gamesStarted) {
     this.displayName = displayName
     this.courses = courses
+    this.games = {}
     this.gamesStarted = []
 
+    if (games) this.setGames(games)
+
     if (gamesStarted && gamesStarted.length > 0) {
       gamesStarted.forEach(e => {
         this.gamesStarted.push({ course: e.kurs, game: e.spiel })
       })
     }
   }
+
+  setGames (gamesObj) {
+    for (const [key, value] of Object.entries(gamesObj)) {
+      const obj = {
+        won: value.gewonnen || 0,
+        lost: value.verloren || 0,
+        tie: value.unentschieden || 0,
+        questionsCorrect: value.fragenRichtig || 0,
+        questionsIncorrect: value.fragenFalsch || 0
+      }
+      this.games[key] = obj
+    }
+  }
 }
 
 // Firestore data converter
 export const UserConverter = {
   toFirestore: (user) => {
+    const spiele = {}
+    for (const [key, value] of Object.entries(user.games)) {
+      const obj = {
+        gewonnen: value.won || 0,
+        verloren: value.lost || 0,
+        unentschieden: value.tie || 0,
+        fragenRichtig: value.questionsCorrect || 0,
+        fragenFalsch: value.questionsIncorrect || 0
+      }
+      spiele[key] = obj
+    }
+
     const spieleBegonnen = []
     user.gamesStarted.forEach(e => {
       spieleBegonnen.push({ kurs: e.course, spiel: e.game })
@@ -23,11 +51,12 @@ export const UserConverter = {
     return {
       anzeigename: user.displayName,
       kurse: user.courses,
+      spiele,
       spieleBegonnen
     }
   },
   fromFirestore: (snapshot, options) => {
     const data = snapshot.data(options)
-    return new User(data.anzeigename, data.kurse, data.spieleBegonnen)
+    return new User(data.anzeigename, data.kurse, data.spiele, data.spieleBegonnen)
   }
 }