99 lines
2.4 KiB
TypeScript
99 lines
2.4 KiB
TypeScript
import Component from '@glimmer/component';
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import { inject as service } from '@ember/service';
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import type IntlService from 'ember-intl/services/intl';
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import type Option from 'croodle/models/option';
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import type User from 'croodle/models/user';
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import type { Answer } from 'croodle/utils/answers-for-answer-type';
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import type Poll from 'croodle/models/poll';
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export interface PollEvaluationSummarySignature {
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Args: {
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poll: Poll;
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};
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}
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export default class PollEvaluationSummary extends Component<PollEvaluationSummarySignature> {
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@service declare intl: IntlService;
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get bestOptions() {
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const { poll } = this.args;
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const { isFreeText, options, users } = poll;
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// can not evaluate answer type free text
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if (isFreeText) {
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return undefined;
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}
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// can not evaluate a poll without users
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if (users.length < 1) {
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return undefined;
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}
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const answers = poll.answers.reduce(
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(answers: Record<string, number>, answer: Answer) => {
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answers[answer.type] = 0;
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return answers;
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},
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{},
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);
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const evaluation: {
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answers: Record<string, number>;
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option: Option;
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score: number;
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}[] = options.map((option: Option) => {
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return {
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answers: { ...answers },
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option,
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score: 0,
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};
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});
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const bestOptions = [];
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users.forEach((user: User) => {
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user.selections.forEach(({ type }, i) => {
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evaluation[i]!.answers[type]++;
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switch (type) {
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case 'yes':
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evaluation[i]!.score += 2;
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break;
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case 'maybe':
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evaluation[i]!.score += 1;
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break;
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case 'no':
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evaluation[i]!.score -= 2;
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break;
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}
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});
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});
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evaluation.sort((a, b) => b.score - a.score);
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const bestScore = evaluation[0]!.score;
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for (let i = 0; i < evaluation.length; i++) {
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if (bestScore === evaluation[i]!.score) {
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bestOptions.push(evaluation[i]);
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} else {
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break;
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}
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}
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return bestOptions;
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}
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get lastParticipationAt() {
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const { users } = this.args.poll;
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let lastParticipationAt = null;
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for (const { creationDate } of users) {
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if (lastParticipationAt === null || creationDate >= lastParticipationAt) {
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lastParticipationAt = creationDate;
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}
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}
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return lastParticipationAt;
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}
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}
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