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display-product.js
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display-product.js
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// This file is part of Product Opener.
//
// Product Opener
// Copyright (C) 2011-2023 Association Open Food Facts
// Contact: [email protected]
// Address: 21 rue des Iles, 94100 Saint-Maur des Fossés, France
//
// Product Opener is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
/* eslint-disable max-classes-per-file */
function getServerDomain() {
const hostname = (/^https?:\/\/([^/?#]+)(?:[/?#]|$)/i).exec(window.location.href)[1];
const splittedHostname = hostname.split('.');
// shift the first subdomain ('world', 'fr', 'uk',...)
splittedHostname.shift();
return `api.${splittedHostname.join('.')}`;
}
class RobotoffAsker extends HTMLElement {
static get template() {
const tmpl = document.createElement('template');
tmpl.innerHTML = `
<style>
:host { background-color: #274477; color: white; position: fixed; bottom: 0; left: 0; width: 100%; border-top: 1px solid #eee; z-index: 100; padding-top: 10px; }
#value { font-weight: bold; }
#close { width: 10px; height: 10px; position: absolute; top: 0; left: 0; margin: 2px 0 0 2px; color: #888888 }
#zoom[data-zoom-in-src=""] { cursor: zoom-out; }
#zoom[data-zoom-out-src=""] { cursor: zoom-in; }
.zoomrow { display: block; }
.hidden { display: none; }
</style>
<div class="row hidden zoomrow" id="zoomrow">
<div class="small-12 columns">
<img src="" id="zoom" data-zoom-in-src="" data-zoom-out-src="">
</div>
</div>
<div class="row">
<div class="small-2 columns">
<img src="" id="thumbnail">
</div>
<div class="small-10 columns">
<span id="question">Question</span>
<span id="value">Value</span>
</div>
<ul class="small-10 columns button-group" style="margin-top:0.5rem;">
<li><a href="#" id="no" class="small button alert annotate" data-annotation="0">No</a></li>
<li><a href="#" id="skip" class="small button secondary annotate" data-annotation="-1">Not sure</a></li>
<li><a href="#" id="yes" class="small button success annotate" data-annotation="1">Yes</a></li>
</ul>
</div>
<a href="#" id="close">×</button>
`;
return tmpl;
}
get url() {
return this.getAttribute('url');
}
set url(val) {
if (val) {
this.setAttribute('url', val);
} else {
this.removeAttribute('url');
}
}
get code() {
return this.getAttribute('code');
}
set code(val) {
if (val) {
this.setAttribute('code', val);
} else {
this.removeAttribute('code');
}
}
get lang() {
return this.getAttribute('lang');
}
set lang(val) {
if (val) {
this.setAttribute('lang', val);
} else {
this.removeAttribute('lang');
}
}
async nextQuestion() {
this.question = this.questions ? this.questions.pop() : null;
if (!this.question) {
const serverDomain = getServerDomain();
const response = await fetch(`${this.url}/api/v1/questions/${encodeURIComponent(this.code)}?lang=${encodeURIComponent(this.lang)}&server_domain=${encodeURIComponent(serverDomain)}`, { credentials: 'include' });
const json = await response.json();
if (!json || json.status !== 'found') {
this.style.display = 'none';
this.questions = null;
return;
}
this.question = json.questions.pop();
this.questions = json.questions;
}
const thumbnailEl = this.shadowRoot.querySelector('#thumbnail');
const zoomEl = this.shadowRoot.querySelector('#zoom');
this.shadowRoot.querySelector('#zoomrow').classList.add('hidden');
thumbnailEl.setAttribute('src', '');
thumbnailEl.style.cursor = 'zoom-in';
zoomEl.setAttribute('src', '');
zoomEl.setAttribute('data-zoom-in-src', '');
zoomEl.setAttribute('data-zoom-out-src', '');
zoomEl.setAttribute('data-small-src', '');
zoomEl.setAttribute('data-large-src', '');
// By convention, ProductOpener creates [imgid].jpg, [imgid].100.jpg, [imgid].400.jpg
const source_image_url = this.question.source_image_url;
if (source_image_url) {
const matches = (/^(.*\/\d+)(?:\.\d+)?(\.jpg)$/i).exec(source_image_url);
if (matches) {
thumbnailEl.setAttribute('src', `${matches[1]}.100${matches[2]}`);
zoomEl.setAttribute('src', source_image_url);
const large = `${matches[1]}${matches[2]}`;
zoomEl.setAttribute('data-small-src', source_image_url);
zoomEl.setAttribute('data-large-src', large);
zoomEl.setAttribute('data-zoom-in-src', large);
}
}
this.shadowRoot.querySelector('#question').textContent = this.question.question;
this.shadowRoot.querySelector('#value').textContent = this.question.value;
this.style.display = 'block';
}
async annotate(annotation) {
if (this.question) {
const data = new URLSearchParams();
data.append('insight_id', this.question.insight_id);
data.append('annotation', annotation);
await fetch(`${this.url}/api/v1/insights/annotate/`, {
method: 'POST',
body: data,
credentials: 'include'
});
}
await this.nextQuestion();
}
constructor() {
super();
const shadowRoot = this.attachShadow({ mode: 'open' });
const content = RobotoffAsker.template.content.cloneNode(true);
const styles = document.querySelectorAll('link[rel="stylesheet"][data-base-layout="true"]');
for (const style of styles) {
content.appendChild(style.cloneNode(true));
}
const scripts = document.querySelectorAll('script[data-base-layout="true"]');
for (const script of scripts) {
content.appendChild(script.cloneNode(true));
}
content.querySelector('#thumbnail').addEventListener('click', (e) => {
const zoomRow = this.shadowRoot.querySelector('#zoomrow');
if (zoomRow.classList.toggle('hidden')) {
e.currentTarget.style.cursor = 'zoom-in';
}
else {
e.currentTarget.style.cursor = 'zoom-out';
}
});
content.querySelector('#zoom').addEventListener('click', (e) => {
const small = e.currentTarget.getAttribute('data-small-src');
const large = e.currentTarget.getAttribute('data-large-src');
const zoomIn = e.currentTarget.getAttribute('data-zoom-in-src');
const zoomOut = e.currentTarget.getAttribute('data-zoom-out-src');
if (zoomOut === '') {
e.currentTarget.setAttribute('src', zoomIn);
e.currentTarget.setAttribute('data-zoom-in-src', '');
e.currentTarget.setAttribute('data-zoom-out-src', small);
}
else {
e.currentTarget.setAttribute('src', zoomOut);
e.currentTarget.setAttribute('data-zoom-in-src', large);
e.currentTarget.setAttribute('data-zoom-out-src', '');
}
});
content.querySelector('#close').addEventListener('click', () => {
this.style.display = 'none';
});
const buttons = content.querySelectorAll('a.annotate');
for (const button of buttons) {
button.addEventListener('click', async (e) => {
await this.annotate(parseInt(e.currentTarget.getAttribute('data-annotation')));
await this.nextQuestion();
e.preventDefault();
});
const caption = this.getAttribute('caption-' + button.id);
if (caption) {
button.textContent = caption;
}
}
shadowRoot.appendChild(content);
this.nextQuestion();
}
}
window.customElements.define('robotoff-asker', RobotoffAsker);