53 lines
2 KiB
JavaScript
53 lines
2 KiB
JavaScript
/**
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* Script used in the thumbnails update page.
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*
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* It retrieves the list of link IDs to update, and execute AJAX requests
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* to update their thumbnails, while updating the progress bar.
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*/
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/**
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* Update the thumbnail of the link with the current i index in ids.
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* It contains a recursive call to retrieve the thumb of the next link when it succeed.
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* It also update the progress bar and other visual feedback elements.
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*
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* @param {string} basePath Shaarli subfolder for XHR requests
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* @param {array} ids List of LinkID to update
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* @param {int} i Current index in ids
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* @param {object} elements List of DOM element to avoid retrieving them at each iteration
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*/
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function updateThumb(basePath, ids, i, elements) {
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const xhr = new XMLHttpRequest();
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xhr.open('PATCH', `${basePath}/admin/shaare/${ids[i]}/update-thumbnail`);
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xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
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xhr.responseType = 'json';
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xhr.onload = () => {
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if (xhr.status !== 200) {
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alert(`An error occurred. Return code: ${xhr.status}`);
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} else {
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const { response } = xhr;
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i += 1;
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elements.progressBar.style.width = `${(i * 100) / ids.length}%`;
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elements.current.innerHTML = i;
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elements.title.innerHTML = response.title;
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if (response.thumbnail !== false) {
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elements.thumbnail.innerHTML = `<img src="${basePath}/${response.thumbnail}">`;
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}
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if (i < ids.length) {
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updateThumb(basePath, ids, i, elements);
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}
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}
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};
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xhr.send();
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}
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(() => {
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const basePath = document.querySelector('input[name="js_base_path"]').value;
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const ids = document.getElementsByName('ids')[0].value.split(',');
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const elements = {
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progressBar: document.querySelector('.progressbar > div'),
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current: document.querySelector('.progress-current'),
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thumbnail: document.querySelector('.thumbnail-placeholder'),
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title: document.querySelector('.thumbnail-link-title'),
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};
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updateThumb(basePath, ids, 0, elements);
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})();
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