117 lines
4.0 KiB
JavaScript
117 lines
4.0 KiB
JavaScript
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2016-2021 (original work) Open Assessment Technologies SA ;
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*/
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define(['jquery', 'lodash', 'i18n', 'core/request', 'layout/loading-bar', 'helpers'], function(
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$,
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_,
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__,
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request,
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loadingBar,
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helpers
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) {
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'use strict';
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/**
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* The CSS scope
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* @type {string}
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* @private
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*/
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const cssScope = '.diagnostic-index';
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/**
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* Export diagnostics to CSV
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* @type {object}
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*/
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return {
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/**
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* Exports all diagnostics to CSV
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* @param {Array} model - data presentation model
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*/
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exportCsv(model) {
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const $container = $(cssScope);
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const extension = $container.data('extension') || 'taoClientDiagnostic';
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const serviceUrl = helpers._url('diagnosticData', 'Diagnostic', extension);
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// filtering and transforming diagnostic data according to the model
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function mappingDiagnosticsData(diagnostics) {
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return diagnostics.map(diagnostic => {
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const result = {};
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_.forEach(model, field => {
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result[field.id] = field.transform
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? field.transform(diagnostic[field.id], diagnostic)
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: diagnostic[field.id];
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});
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return result;
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});
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}
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// a string variable is created containing the contents of the csv file
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function arrayToCsv(data, columnDelimiter = ',', lineDelimiter = '\n') {
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const keys = Object.keys(data[0]);
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let result = `${keys.join(columnDelimiter)}${lineDelimiter}`;
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data.forEach(item => {
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let ctr = 0;
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keys.forEach(key => {
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if (ctr > 0) {
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result += columnDelimiter;
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}
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result +=
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typeof item[key] === 'string' && item[key].includes(columnDelimiter)
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? `"${item[key]}"`
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: item[key];
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ctr++;
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});
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result += lineDelimiter;
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});
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return result;
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}
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// file download from content
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function downloadFile(content, filename, type) {
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const blob = new Blob([content], { type: type });
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const url = URL.createObjectURL(blob);
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let link = $('<a></a>');
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link.attr('download', filename)
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.attr('href', url)
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.get(0)
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.click();
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URL.revokeObjectURL(url);
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link = null;
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}
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loadingBar.start();
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request({
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url: serviceUrl,
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data: { rows: Number.MAX_SAFE_INTEGER },
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noToken: true
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})
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.then(response => {
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const mappedData = mappingDiagnosticsData(response.data);
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let csvContent = arrayToCsv(mappedData);
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downloadFile(csvContent, __('diagnostics.csv'), 'text/csv');
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loadingBar.stop();
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})
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.catch(() => {
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loadingBar.stop();
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});
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}
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};
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});
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