120 lines
3.7 KiB
JavaScript
120 lines
3.7 KiB
JavaScript
import hbs from 'htmlbars-inline-precompile';
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import EmberObject, { computed } from '@ember/object';
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import { on } from '@ember/object/evented';
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import moment from 'moment';
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import DelayedArray from '../utils/delayed-array';
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export default {
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title: 'Charts|Stats Time Series',
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};
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let ts = offset =>
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moment()
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.subtract(offset, 'm')
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.toDate();
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export let Standard = () => {
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return {
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template: hbs`
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<h5 class="title is-5">Stats Time Series</h5>
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<div class="block" style="height:100px; width: 400px;">
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{{#if staticMetrics}}
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<StatsTimeSeries @data={{staticMetrics}} @chartClass="is-primary" />
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{{/if}}
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</div>
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`,
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context: {
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staticMetrics: DelayedArray.create([
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{ timestamp: ts(20), percent: 0.5 },
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{ timestamp: ts(18), percent: 0.5 },
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{ timestamp: ts(16), percent: 0.4 },
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{ timestamp: ts(14), percent: 0.3 },
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{ timestamp: ts(12), percent: 0.9 },
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{ timestamp: ts(10), percent: 0.3 },
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{ timestamp: ts(8), percent: 0.3 },
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{ timestamp: ts(6), percent: 0.4 },
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{ timestamp: ts(4), percent: 0.5 },
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{ timestamp: ts(2), percent: 0.6 },
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{ timestamp: ts(0), percent: 0.6 },
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]),
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},
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};
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};
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export let HighLowComparison = () => {
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return {
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template: hbs`
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<h5 class="title is-5">Stats Time Series high/low comparison</h5>
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<div class="columns">
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<div class="block column" style="height:200px; width:400px">
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{{#if data.metricsHigh}}
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<StatsTimeSeries @data={{data.metricsHigh}} @chartClass="is-info" />
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{{/if}}
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</div>
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<div class="block column" style="height:200px; width:400px">
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{{#if data.metricsLow}}
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<StatsTimeSeries @data={{data.metricsLow}} @chartClass="is-info" />
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{{/if}}
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</div>
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</div>
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<p class="annotation">Line charts, and therefore stats time series charts, use a letant linear gradient with a height equal to the canvas. This makes the color intensity of the gradient at values consistent across charts as long as those charts have the same y-axis domain.</p>
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<p class="annotation">This is used to great effect with stats charts since they all have a y-axis domain of 0-100%.</p>
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`,
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context: {
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data: EmberObject.extend({
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timerTicks: 0,
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startTimer: on('init', function() {
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this.set(
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'timer',
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setInterval(() => {
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let metricsHigh = this.metricsHigh;
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let prev = metricsHigh.length ? metricsHigh[metricsHigh.length - 1].percent : 0.9;
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this.appendTSValue(
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metricsHigh,
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Math.min(Math.max(prev + Math.random() * 0.05 - 0.025, 0.5), 1)
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);
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let metricsLow = this.metricsLow;
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let prev2 = metricsLow.length ? metricsLow[metricsLow.length - 1].percent : 0.1;
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this.appendTSValue(
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metricsLow,
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Math.min(Math.max(prev2 + Math.random() * 0.05 - 0.025, 0), 0.5)
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);
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}, 1000)
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);
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}),
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appendTSValue(array, percent, maxLength = 300) {
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array.addObject({
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timestamp: Date.now(),
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percent,
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});
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if (array.length > maxLength) {
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array.splice(0, array.length - maxLength);
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}
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},
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willDestroy() {
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clearInterval(this.timer);
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},
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metricsHigh: computed(() => {
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return [];
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}),
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metricsLow: computed(() => {
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return [];
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}),
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secondsFormat() {
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return date => moment(date).format('HH:mm:ss');
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},
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}).create(),
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},
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};
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};
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