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refactor: extract shuffleArray to lib/utils, rename correctAnswers to terms

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lila 2026-04-28 13:17:24 +02:00
parent c46729f365
commit 2ff7d1759e
5 changed files with 59 additions and 60 deletions
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10
apps/api/src/lib/utils.ts Normal file
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@ -0,0 +1,10 @@
export const shuffleArray = <T>(array: T[]): T[] => {
const result = [...array];
for (let i = result.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
const temp = result[i]!;
result[i] = result[j]!;
result[j] = temp;
}
return result;
};

30
apps/api/src/services/gameService.ts
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@ -10,13 +10,14 @@ import type {
} from "@lila/shared";
import { InMemoryGameSessionStore } from "../gameSessionStore/index.js";
import { NotFoundError } from "../errors/AppError.js";
import { shuffleArray } from "../lib/utils.js";
const gameSessionStore = new InMemoryGameSessionStore();
export const createGameSession = async (
request: GameRequest,
): Promise<GameSession> => {
const correctAnswers = await getGameTerms(
const terms = await getGameTerms(
request.source_language,
request.target_language,
request.pos,
@ -27,19 +28,19 @@ export const createGameSession = async (
const answerKey = new Map<string, number>();
const questions: GameQuestion[] = await Promise.all(
correctAnswers.map(async (correctAnswer) => {
terms.map(async (term) => {
const distractorTexts = await getDistractors(
correctAnswer.termId,
correctAnswer.targetText,
term.termId,
term.targetText,
request.target_language,
request.pos,
request.difficulty,
3,
);
const optionTexts = [correctAnswer.targetText, ...distractorTexts];
const shuffledTexts = shuffle(optionTexts);
const correctOptionId = shuffledTexts.indexOf(correctAnswer.targetText);
const optionTexts = [term.targetText, ...distractorTexts];
const shuffledTexts = shuffleArray(optionTexts);
const correctOptionId = shuffledTexts.indexOf(term.targetText);
const options: AnswerOption[] = shuffledTexts.map((text, index) => ({
optionId: index,
@ -51,8 +52,8 @@ export const createGameSession = async (
return {
questionId,
prompt: correctAnswer.sourceText,
gloss: correctAnswer.sourceGloss,
prompt: term.sourceText,
gloss: term.sourceGloss,
options,
};
}),
@ -64,17 +65,6 @@ export const createGameSession = async (
return { sessionId, questions };
};
const shuffle = <T>(array: T[]): T[] => {
const result = [...array];
for (let i = result.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
const temp = result[i]!;
result[i] = result[j]!;
result[j] = temp;
}
return result;
};
export const evaluateAnswer = async (
submission: AnswerSubmission,
): Promise<AnswerResult> => {