301 lines
9.2 KiB
HTML
301 lines
9.2 KiB
HTML
{% extends 'base.html' %}
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{#
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Eos - Verifiable elections
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Copyright © 2017-18 RunasSudo (Yingtong Li)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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#}
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{% block title %}{{ election.name }} – Voting booth{% endblock %}
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{% block head %}
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{{ super() }}
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<link rel="stylesheet" href="{{ url_for('static', filename='bower_components/dragula.js/dist/dragula.min.css') }}" type="text/css">
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<link rel="stylesheet" href="{{ url_for('static', filename='bower_components/progress-tracker/app/styles/progress-tracker.css') }}" type="text/css">
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{% endblock %}
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{% block content %}
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<div class="ui container" id="booth-content">
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<div class="ui active text loader">Loading voting booth. Please wait.</div>
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</div>
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{% endblock %}
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{% block basecontent %}
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{{ super() }}
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<script src="{{ url_for('static', filename='bower_components/nunjucks/browser/nunjucks.min.js') }}"></script>
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<script src="{{ url_for('static', filename='js/eosjs.js') }}"></script>
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<script src="{{ url_for('static', filename='bower_components/dragula.js/dist/dragula.min.js') }}"></script>
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{% if eosweb.app.config['CAST_FINGERPRINT'] %}
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<script src="{{ url_for('static', filename='bower_components/fingerprintjs2/dist/fingerprint2.min.js') }}"></script>
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{% endif %}
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<script>
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var templates = {};
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var election = null;
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var booth = null;
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var boothWorker = null;
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var boothTasks = [];
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var currentBoothTask = 0;
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var selection_model_view_map = {{ selection_model_view_map|safe }}; {# :rooWut: #}
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var username = {% if session.user %}"{{ session.user.name }}"{% else %}null{% endif %};
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var auth_methods = {{ auth_methods|safe }};
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var should_do_fingerprint = {{ 'true' if eosweb.app.config['CAST_FINGERPRINT'] else 'false' }};
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function resetBooth() {
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booth = {
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"questionNum": 0,
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"answers": [],
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"q_state": [],
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"fingerprint": []
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};
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}
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resetBooth();
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function loadElection() {
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// Verify booth
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if (should_do_fingerprint) {
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if (typeof Fingerprint2 === 'undefined') {
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boothError('Your browser did not load fingerprintj2 correctly. Please try again after disabling your ad blockers and similar software. If the issue persists, try using a different browser.');
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return;
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}
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}
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$.ajax({ url: "{{ url_for('election_api_json', election_id=election._id) }}", dataType: "text" })
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.done(function(data) {
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try {
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election = eosjs.eos.core.objects.__all__.EosObject.deserialise_and_unwrap(eosjs.eos.core.objects.__all__.EosObject.from_json(data), null);
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boothWorker = new Worker("{{ url_for('static', filename='js/booth_worker.js') }}");
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electionLoaded();
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} catch (err) {
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loadError(err);
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throw err;
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}
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})
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.fail(function(xhr, status, err) {
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loadError(err);
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throw err;
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});
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}
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function electionLoaded() {
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// Load templates for the question types
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for (var i = 0; i < election.questions.__len__(); i++) {
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var question = election.questions.__getitem__(i);
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templates[selection_model_view_map[question._name]['selections_make']] = null;
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templates[selection_model_view_map[question._name]['selections_review']] = null;
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}
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loadTemplates();
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}
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function loadTemplates() {
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// Load all the templates
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var templateUrls = Object.keys(templates);
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var numTemplatesLoaded = 0;
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for (var templateUrl of templateUrls) {
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(function(templateUrl) {
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$.ajax({
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url: "{{ url_for('static', filename='nunjucks') }}/" + templateUrl,
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dataType: "text"
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})
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.done(function(data) {
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try {
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templates[templateUrl] = nunjucks.compile(data);
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numTemplatesLoaded += 1;
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if (numTemplatesLoaded == templateUrls.length) {
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// All templates loaded. Show voting booth
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boothTasks[0].activate(true);
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}
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} catch (err) {
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loadError(err);
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throw err;
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}
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})
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.fail(function(xhr, status, err) {
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loadError(err);
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throw err;
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});
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})(templateUrl);
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}
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}
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function loadError(err) {
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var techDetails = '';
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if (err) {
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techDetails = '<p>Technical details: ' + err + '</p>';
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}
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$("#booth-content").html('<div class="ui error message"><p>We were unable to load the voting booth for this {{ election.kind }}. Please try again. If this problem persists, contact the {{ election.kind }} administrator.</p>' + techDetails + '</div>');
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}
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function boothError(err) {
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resetBooth();
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var techDetails = '';
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if (err) {
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techDetails = '<p>Technical details: ' + err + '</p>';
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}
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$("#booth-content").html('<div class="ui error message"><p>We were unable to display the next page of the voting booth. For your security, your ballot selections have been cleared. Please try again. If this problem persists, contact the {{ election.kind }} administrator.</p>' + techDetails + '</div>');
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console.error(err);
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}
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function showTemplate(template, opts, destination) {
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try {
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if (!destination) {
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destination = "#booth-content";
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}
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if (!opts) {
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opts = {};
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}
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opts = $.extend({
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"templates": templates,
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"template": template,
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"election_base_url": "{{ url_for('election_api_json', election_id=election._id) }}",
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"static_base_url": "{{ url_for('static', filename='') }}",
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"election": election,
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"booth": booth,
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"eosjs": eosjs,
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"selection_model_view_map": selection_model_view_map,
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"username": username,
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"auth_methods": auth_methods
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}, opts);
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$(destination).html(templates[template].render(opts));
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} catch (err) {
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boothError(err);
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throw err;
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}
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}
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function nextTemplate(num) {
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if (!num) {
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num = 1;
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}
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currentBoothTask += num;
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boothTasks[currentBoothTask].activate(true);
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}
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function prevTemplate(num) {
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if (!num) {
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num = 1;
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}
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currentBoothTask -= num;
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boothTasks[currentBoothTask].activate(false);
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}
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// === BOOTH TASKS ===
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// TODO: Make modular
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templates['booth/base.html'] = null;
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if (location.search.indexOf('?cast') < 0) {
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// Normal booth
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boothTasks.append({
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activate: function(fromLeft) {
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showTemplate('booth/welcome.html');
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}
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});
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templates['booth/welcome.html'] = null;
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boothTasks.append({
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activate: function(fromLeft) {
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showTemplate('booth/selections.html');
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}
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});
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templates['booth/selections.html'] = null;
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boothTasks.append({
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activate: function(fromLeft) {
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if (fromLeft) {
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showTemplate('booth/encrypt.html');
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} else {
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prevTemplate();
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}
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}
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});
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templates['booth/encrypt.html'] = null;
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if (location.search.indexOf('?prepoll') >= 0) {
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// Pre-poll
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boothTasks.append({
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activate: function(fromLeft) {
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showTemplate('booth/review_prepoll.html', {ballot: booth.ballot});
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}
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});
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templates['booth/review_prepoll.html'] = null;
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boothTasks.append({
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activate: function(fromLeft) {
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showTemplate('booth/audit.html', {ballot: booth.ballot});
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}
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});
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templates['booth/audit.html'] = null;
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boothTasks.append({
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activate: function(fromLeft) {
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showTemplate('booth/cast_prepoll.html', {ballot: booth.ballot});
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}
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});
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templates['booth/cast_prepoll.html'] = null;
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} else {
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// Real voting booth
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boothTasks.append({
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activate: function(fromLeft) {
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showTemplate('booth/review.html', {ballot: booth.ballot});
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}
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});
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templates['booth/review.html'] = null;
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boothTasks.append({
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activate: function(fromLeft) {
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showTemplate('booth/audit.html', {ballot: booth.ballot});
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}
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});
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templates['booth/audit.html'] = null;
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boothTasks.append({
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activate: function(fromLeft) {
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showTemplate('booth/cast.html', {ballot: booth.ballot, is_cast: false});
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}
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});
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templates['booth/cast.html'] = null;
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boothTasks.append({
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activate: function(fromLeft) {
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showTemplate('booth/complete.html', {voter: booth.voter, vote: booth.vote});
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}
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});
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templates['booth/complete.html'] = null;
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}
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} else {
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// Cast immediately
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{% if session.staged_ballot %}
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booth.ballot = eosjs.eos.core.objects.__all__.EosObject.deserialise_and_unwrap(eosjs.eos.core.objects.__all__.EosObject.from_json('{{ eos.core.objects.EosObject.to_json(session.staged_ballot.ballot)|safe }}'), null);
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{% endif %}
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boothTasks.append({
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activate: function(fromLeft) {
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showTemplate('booth/cast.html', {ballot: booth.ballot, is_cast: true});
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}
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});
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templates['booth/cast.html'] = null;
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boothTasks.append({
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activate: function(fromLeft) {
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showTemplate('booth/complete.html', {voter: booth.voter, vote: booth.vote});
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}
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});
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templates['booth/complete.html'] = null;
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}
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// === END BOOTH TASKS ===
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loadElection();
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</script>
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{% endblock %}
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