webtools/site/scorecard-4p/scripts/models.js
Leon Mika 6f258bf13d
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Split generic scorecard with 2 and 4 player variants
2025-12-23 00:29:40 +01:00

158 lines
3.7 KiB
JavaScript

export class ScoreEntry {
constructor(score, total) {
this.score = score;
this.total = total;
}
};
export class Scorecard {
constructor() {
this.reset();
}
reset() {
this._player1Scores = [];
this._player2Scores = [];
this._player3Scores = [];
this._player4Scores = [];
}
addPlayer1Score(newScore) {
this._addScore(this._player1Scores, newScore);
}
removeLastPlayer1Score() {
this._player1Scores.pop();
}
addPlayer2Score(newScore) {
this._addScore(this._player2Scores, newScore);
}
removeLastPlayer2Score() {
this._player2Scores.pop();
}
addPlayer3Score(newScore) {
this._addScore(this._player3Scores, newScore);
}
removeLastPlayer3Score() {
this._player3Scores.pop();
}
addPlayer4Score(newScore) {
this._addScore(this._player4Scores, newScore);
}
removeLastPlayer4Score() {
this._player4Scores.pop();
}
_addScore(playerScores, newScore) {
let lastEntry;
if (playerScores.length === 0) {
lastEntry = new ScoreEntry(0, 0, 0, false, false);
} else {
lastEntry = playerScores[playerScores.length - 1];
}
let newEntry = this._newEntryFromPrevious(newScore, lastEntry);
playerScores.push(newEntry);
}
length() {
return Math.max(this._player1Scores.length, this._player2Scores.length,
this._player3Scores.length, this._player4Scores.length);
}
pairs() {
let pairs = [];
for (let i = 0; i < this.length(); i++) {
pairs.push({
p1: (i < this._player1Scores.length ? this._player1Scores[i] : null),
p2: (i < this._player2Scores.length ? this._player2Scores[i] : null),
p3: (i < this._player3Scores.length ? this._player3Scores[i] : null),
p4: (i < this._player4Scores.length ? this._player4Scores[i] : null),
})
}
return pairs;
}
_newEntryFromPrevious(score, previousScoreEntry) {
if (previousScoreEntry === null) {
return new ScoreEntry(score, score, (score === 0 ? 1 : 0));
}
let newTotal = previousScoreEntry.total + score;
return new ScoreEntry(score, newTotal);
}
toJson() {
return {
"version": 1,
"p1": { "scores": this._player1Scores.map(p => p.score) },
"p2": { "scores": this._player2Scores.map(p => p.score) },
"p3": { "scores": this._player3Scores.map(p => p.score) },
"p4": { "scores": this._player4Scores.map(p => p.score) },
};
}
static fromJson(o) {
let scorecard = new Scorecard();
o["p1"]["scores"].forEach(x => scorecard.addPlayer1Score(x));
o["p2"]["scores"].forEach(x => scorecard.addPlayer2Score(x));
if (o["p3"]) o["p3"]["scores"].forEach(x => scorecard.addPlayer3Score(x));
if (o["p4"]) o["p4"]["scores"].forEach(x => scorecard.addPlayer4Score(x));
return scorecard;
}
}
class StoreDAO {
constructor(localStorage) {
this._localStorage = localStorage;
}
save(scoreCard) {
this._localStorage.setItem('generic-scorecard-4p', JSON.stringify(scoreCard.toJson()));
}
loadOrCreate() {
try {
console.log("Loading scorecard");
let scoreCardJson = this._localStorage.getItem('generic-scorecard-4p');
if (scoreCardJson !== null) {
return Scorecard.fromJson(JSON.parse(scoreCardJson));
}
} catch (e) {
console.log(`Could not restore game: ${e}`);
}
return new Scorecard();
}
clear() {
this._localStorage.removeItem('generic-scorecard-4p');
}
}
class DummyStoreDAO {
save(scoreCard) { }
loadOrCreate() {
return new Scorecard();
}
clear() { }
}
export function getStoreDAO() {
if (!!window.localStorage) {
return new StoreDAO(window.localStorage);
} else {
return new DummyStoreDAO();
}
}