82 lines
1.8 KiB
JavaScript
82 lines
1.8 KiB
JavaScript
import Component from '@glimmer/component';
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import { inject as service } from '@ember/service';
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import { copy } from '@ember/object/internals';
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export default class PollEvaluationSummary extends Component {
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@service intl;
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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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let answers = poll.answers.reduce((answers, answer) => {
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answers[answer.get('type')] = 0;
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return answers;
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}, {});
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let evaluation = options.map((option) => {
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return {
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answers: copy(answers),
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option,
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score: 0,
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};
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});
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let bestOptions = [];
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users.forEach((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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let 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.toArray()) {
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if (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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