mirror of
https://github.com/discourse/discourse.git
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Migrate Discourse Polls to use vdom instead of embedded ember
This commit is contained in:
Robin Ward
504
plugins/poll/assets/javascripts/widgets/discourse-poll.js.es6
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504
plugins/poll/assets/javascripts/widgets/discourse-poll.js.es6
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@ -0,0 +1,504 @@
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import { createWidget } from 'discourse/widgets/widget';
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import { h } from 'virtual-dom';
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import { iconNode } from 'discourse/helpers/fa-icon-node';
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import RawHtml from 'discourse/widgets/raw-html';
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import { ajax } from 'discourse/lib/ajax';
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import evenRound from "discourse/plugins/poll/lib/even-round";
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import { avatarFor } from 'discourse/widgets/post';
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import round from "discourse/lib/round";
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function optionHtml(option) {
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return new RawHtml({ html: `<span>${option.html}</span>` });
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}
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createWidget('discourse-poll-option', {
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tagName: 'li',
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buildAttributes(attrs) {
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return { 'data-poll-option-id': attrs.option.id };
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},
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html(attrs) {
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const result = [];
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const { option, vote } = attrs;
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const chosen = vote.indexOf(option.id) !== -1;
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if (attrs.isMultiple) {
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result.push(iconNode(chosen ? 'check-square-o' : 'square-o'));
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} else {
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result.push(iconNode(chosen ? 'dot-circle-o' : 'circle-o'));
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}
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result.push(' ');
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result.push(optionHtml(option));
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return result;
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},
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click(e) {
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if ($(e.target).closest("a").length === 0) {
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this.sendWidgetAction('toggleOption', this.attrs.option);
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}
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}
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});
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createWidget('discourse-poll-load-more', {
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tagName: 'div.poll-voters-toggle-expand',
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buildKey: attrs => `${attrs.id}-load-more`,
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defaultState() {
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return { loading: false };
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},
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html(attrs, state) {
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return state.loading ? h('div.spinner.small') : h('a', iconNode('chevron-down'));
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},
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click() {
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const { state } = this;
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if (state.loading) { return; }
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state.loading = true;
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return this.sendWidgetAction('loadMore').finally(() => state.loading = false);
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}
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});
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createWidget('discourse-poll-voters', {
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tagName: 'ul.poll-voters-list',
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buildKey: attrs => attrs.id(),
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defaultState() {
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return {
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loaded: 'new',
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pollVoters: [],
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offset: 0,
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canLoadMore: false
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};
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},
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fetchVoters() {
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const { attrs, state } = this;
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const { voterIds } = attrs;
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if (!voterIds.length) { return; }
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const windowSize = Math.round(($('.poll-container:eq(0)').width() / 25) * 2);
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const index = state.offset * windowSize;
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const ids = voterIds.slice(index, index + windowSize);
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state.loaded = 'loading';
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return ajax("/polls/voters.json", {
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type: "get",
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data: { user_ids: ids }
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}).then(result => {
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state.loaded = 'loaded';
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state.pollVoters = state.pollVoters.concat(result.users);
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state.canLoadMore = state.pollVoters.length < attrs.totalVotes;
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this.scheduleRerender();
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}).catch(() => {
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bootbox.alert(I18n.t('poll.error_while_fetching_voters'));
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});
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},
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loadMore() {
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this.state.offset += 1;
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return this.fetchVoters();
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},
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html(attrs, state) {
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if (state.loaded === 'new') {
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this.fetchVoters();
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return;
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}
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const contents = state.pollVoters.map(user => {
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return h('li', [avatarFor('tiny', {
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username: user.username,
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template: user.avatar_template
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}), ' ']);
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});
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if (state.canLoadMore) {
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contents.push(this.attach('discourse-poll-load-more', { id: attrs.id() }));
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}
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return h('div.poll-voters', contents);
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}
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});
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createWidget('discourse-poll-standard-results', {
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tagName: 'ul.results',
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html(attrs) {
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const { poll } = attrs;
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const options = poll.get('options');
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if (options) {
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const voters = poll.get('voters');
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const ordered = options.sort((a, b) => b.votes - a.votes);
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const percentages = voters === 0 ?
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Array(ordered.length).fill(0) :
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ordered.map(o => 100 * o.votes / voters);
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const rounded = attrs.isMultiple ? percentages.map(Math.floor) : evenRound(percentages);
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return ordered.map((option, idx) => {
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const contents = [];
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const per = rounded[idx].toString();
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contents.push(h('div.option',
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h('p', [ h('span.percentage', `${per}%`), optionHtml(option) ])
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));
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contents.push(h('div.bar-back',
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h('div.bar', { attributes: { style: `width:${per}%` }})
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));
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if (poll.get('public')) {
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contents.push(this.attach('discourse-poll-voters', {
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id: () => `poll-voters-${option.id}`,
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totalVotes: option.votes,
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voterIds: option.voter_ids
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}));
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}
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return h('li', contents);
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});
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}
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}
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});
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createWidget('discourse-poll-number-results', {
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html(attrs) {
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const { poll } = attrs;
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const totalScore = poll.get('options').reduce((total, o) => {
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return total + parseInt(o.html, 10) * parseInt(o.votes, 10);
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}, 0);
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const voters = poll.voters;
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const average = voters === 0 ? 0 : round(totalScore / voters, -2);
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const averageRating = I18n.t("poll.average_rating", { average });
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const results = [h('div.poll-results-number-rating',
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new RawHtml({ html: `<span>${averageRating}</span>` }))];
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if (poll.get('public')) {
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const options = poll.get('options');
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results.push(this.attach('discourse-poll-voters', {
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id: () => `poll-voters-${poll.get('name')}`,
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totalVotes: poll.get('voters'),
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voterIds: [].concat(...(options.map(option => option.voter_ids)))
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}));
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}
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return results;
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}
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});
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createWidget('discourse-poll-container', {
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tagName: 'div.poll-container',
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html(attrs) {
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const { poll } = attrs;
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if (attrs.showResults) {
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const type = poll.get('type') === 'number' ? 'number' : 'standard';
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return this.attach(`discourse-poll-${type}-results`, attrs);
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}
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const options = poll.get('options');
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if (options) {
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return h('ul', options.map(option => {
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return this.attach('discourse-poll-option', {
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option,
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isMultiple: attrs.isMultiple,
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vote: attrs.vote
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});
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}));
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}
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}
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});
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createWidget('discourse-poll-info', {
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tagName: 'div.poll-info',
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multipleHelpText(min, max, options) {
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if (max > 0) {
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if (min === max) {
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if (min > 1) {
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return I18n.t("poll.multiple.help.x_options", { count: min });
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}
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} else if (min > 1) {
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if (max < options) {
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return I18n.t("poll.multiple.help.between_min_and_max_options", { min, max });
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} else {
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return I18n.t("poll.multiple.help.at_least_min_options", { count: min });
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}
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} else if (max <= options) {
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return I18n.t("poll.multiple.help.up_to_max_options", { count: max });
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}
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}
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},
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html(attrs) {
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const { poll } = attrs;
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const count = poll.get('voters');
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const result = [h('p', [
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h('span.info-number', count.toString()),
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h('span.info-text', I18n.t('poll.voters', { count }))
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])];
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if (attrs.isMultiple) {
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if (attrs.showResults) {
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const totalVotes = poll.get('options').reduce((total, o) => {
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return total + parseInt(o.votes, 10);
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}, 0);
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result.push(h('p', [
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h('span.info-number', totalVotes.toString()),
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h('span.info-text', I18n.t("poll.total_votes", { count: totalVotes }))
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]));
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} else {
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const help = this.multipleHelpText(attrs.min, attrs.max, poll.get('options.length'));
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if (help) {
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result.push(new RawHtml({ html: `<span>${help}</span>` }));
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}
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}
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}
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if (!attrs.showResults && attrs.poll.get('public')) {
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result.push(h('p', I18n.t('poll.public.title')));
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}
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return result;
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}
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});
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createWidget('discourse-poll-buttons', {
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tagName: 'div.poll-buttons',
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html(attrs) {
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const results = [];
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const { poll, post } = attrs;
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const topicArchived = post.get('topic.archived');
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const isClosed = poll.get('status') === 'closed';
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const hideResultsDisabled = isClosed || topicArchived;
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if (attrs.isMultiple && !hideResultsDisabled) {
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const castVotesDisabled = !attrs.canCastVotes;
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results.push(this.attach('button', {
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className: `btn cast-votes ${castVotesDisabled ? '' : 'btn-primary'}`,
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label: 'poll.cast-votes.label',
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title: 'poll.cast-votes.title',
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disabled: castVotesDisabled,
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action: 'castVotes'
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}));
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results.push(' ');
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}
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if (attrs.showResults) {
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results.push(this.attach('button', {
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className: 'btn toggle-results',
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label: 'poll.hide-results.label',
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title: 'poll.hide-results.title',
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icon: 'eye-slash',
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disabled: hideResultsDisabled,
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action: 'toggleResults'
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}));
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} else {
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results.push(this.attach('button', {
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className: 'btn toggle-results',
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label: 'poll.show-results.label',
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title: 'poll.show-results.title',
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icon: 'eye',
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disabled: poll.get('voters') === 0,
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action: 'toggleResults'
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}));
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}
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if (this.currentUser &&
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(this.currentUser.get("id") === post.get('user_id') ||
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this.currentUser.get("staff")) &&
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!topicArchived) {
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if (isClosed) {
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results.push(this.attach('button', {
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className: 'btn toggle-status',
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label: 'poll.open.label',
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title: 'poll.open.title',
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icon: 'unlock-alt',
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action: 'toggleStatus'
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}));
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} else {
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results.push(this.attach('button', {
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className: 'btn toggle-status btn-danger',
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label: 'poll.close.label',
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title: 'poll.close.title',
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icon: 'lock',
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action: 'toggleStatus'
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}));
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}
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}
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return results;
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}
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});
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export default createWidget('discourse-poll', {
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tagName: 'div.poll',
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buildKey: attrs => attrs.id,
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buildAttributes(attrs) {
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const { poll } = attrs;
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return {
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"data-poll-type": poll.get('type'),
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"data-poll-name": poll.get('name'),
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"data-poll-status": poll.get('status'),
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"data-poll-public": poll.get('public')
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};
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},
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defaultState(attrs) {
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const { poll, post } = attrs;
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return { loading: false,
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showResults: poll.get('isClosed') || post.get('topic.archived') };
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},
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html(attrs, state) {
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const { showResults } = state;
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const newAttrs = jQuery.extend({}, attrs, {
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showResults,
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canCastVotes: this.canCastVotes(),
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min: this.min(),
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max: this.max()
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});
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return h('div', [
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this.attach('discourse-poll-container', newAttrs),
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this.attach('discourse-poll-info', newAttrs),
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this.attach('discourse-poll-buttons', newAttrs)
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]);
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},
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isClosed() {
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return this.attrs.poll.get('status') === "closed";
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},
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min() {
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let min = parseInt(this.attrs.poll.min, 10);
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if (isNaN(min) || min < 1) { min = 1; }
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return min;
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},
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max() {
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let max = parseInt(this.attrs.poll.max, 10);
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const numOptions = this.attrs.poll.options.length;
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if (isNaN(max) || max > numOptions) { max = numOptions; }
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return max;
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},
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canCastVotes() {
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const { state, attrs } = this;
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if (this.isClosed() || state.showResults || state.loading) {
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return false;
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}
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const selectedOptionCount = attrs.vote.length;
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if (attrs.isMultiple) {
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return selectedOptionCount >= this.min() && selectedOptionCount <= this.max();
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}
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return selectedOptionCount > 0;
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},
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toggleStatus() {
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const { state, attrs } = this;
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const { poll } = attrs;
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const isClosed = poll.get('status') === 'closed';
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bootbox.confirm(
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I18n.t(isClosed ? "poll.open.confirm" : "poll.close.confirm"),
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I18n.t("no_value"),
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I18n.t("yes_value"),
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confirmed => {
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if (confirmed) {
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state.loading = true;
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const status = isClosed ? "open" : "closed";
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ajax("/polls/toggle_status", {
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type: "PUT",
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data: {
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post_id: attrs.post.get('id'),
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poll_name: poll.get('name'),
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status,
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}
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}).then(() => {
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poll.set('status', status);
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this.scheduleRerender();
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}).catch(() => {
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bootbox.alert(I18n.t("poll.error_while_toggling_status"));
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}).finally(() => {
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state.loading = false;
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});
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}
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}
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);
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},
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toggleResults() {
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this.state.showResults = !this.state.showResults;
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},
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showLogin() {
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const appRoute = this.register.lookup('route:application');
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appRoute.send('showLogin');
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},
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toggleOption(option) {
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if (this.isClosed()) { return; }
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if (!this.currentUser) { this.showLogin(); }
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const { attrs } = this;
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const { vote } = attrs;
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const chosenIdx = vote.indexOf(option.id);
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if (!attrs.isMultiple) {
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vote.length = 0;
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}
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if (chosenIdx !== -1) {
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vote.splice(chosenIdx, 1);
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} else {
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vote.push(option.id);
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}
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if (!attrs.isMultiple) {
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return this.castVotes();
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}
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},
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castVotes() {
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if (!this.canCastVotes()) { return; }
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if (!this.currentUser) { return this.showLogin(); }
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const { attrs, state } = this;
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state.loading = true;
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return ajax("/polls/vote", {
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type: "PUT",
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data: {
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post_id: attrs.post.id,
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poll_name: attrs.poll.name,
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options: attrs.vote
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}
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}).then(() => {
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state.showResults = true;
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}).catch(() => {
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bootbox.alert(I18n.t("poll.error_while_casting_votes"));
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}).finally(() => {
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state.loading = false;
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});
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}
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});
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Reference in New Issue
Block a user