74 lines
2.0 KiB
JavaScript
74 lines
2.0 KiB
JavaScript
$(document).ready(function () {
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let dataset = $('#dataset');
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request('files').then(results => {
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dataset.empty();
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for (const result of results) {
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dataset.append($("<option></option>")
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.attr("value", result.uuid)
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.text(result.name + " (" + result.date.date.day + "." + result.date.date.month + " "
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+ result.date.time.hour + ":" + result.date.time.minute + ")"));
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}
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dataset.formSelect();
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});
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updateCache();
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});
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/**
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* update all charts with correct values for dataset
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*/
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function updateCache() {
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let dataset = $('#dataset');
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let selected = $('#dataset :selected');
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if (typeof selected !== 'undefined' && selected.index() !== -1) {
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updateWeekOverviewChart(selected.val());
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updateShoppingTimesChart(selected.val());
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} else {
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//requesting files, getting values from html does not work...
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//if no selection is provided, select newest file
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request('files').then(results => {
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let uuid = results[results.length - 1].uuid;
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dataset.val(uuid);
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updateWeekOverviewChart(uuid);
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updateShoppingTimesChart(uuid);
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dataset.formSelect();
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});
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}
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}
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/**
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* request json data
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* @param url base url
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* @param id dataset id
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* @returns {Promise<result>}
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*/
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function request(url, id) {
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return new Promise(((resolve) => {
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if (typeof id !== 'undefined') {
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requestInternal(url + '?id=' + id).then(function (data) {
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resolve(data);
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});
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} else {
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requestInternal(url).then(function (data) {
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resolve(data);
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});
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}
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}));
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}
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/**
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* only for use inside this file, javascript has no better way
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* @param url url
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* @returns {Promise<result>}
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*/
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function requestInternal(url) {
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return new Promise(((resolve) => {
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$.ajax({
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url: url,
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dataType: 'json'
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}).done(function (results) {
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resolve(results);
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});
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}));
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} |