Ghost/ghost/admin/app/components/gh-members-chart.js
2021-02-25 11:35:18 +01:00

363 lines
12 KiB
JavaScript

/* global Chart */
import Component from '@ember/component';
import moment from 'moment';
import {action} from '@ember/object';
import {computed, get} from '@ember/object';
import {getSymbol} from 'ghost-admin/utils/currency';
import {inject as service} from '@ember/service';
import {task} from 'ember-concurrency';
const DATE_FORMAT = 'D MMM YYYY';
export default Component.extend({
ajax: service(),
membersStats: service(),
// public attrs
nightShift: false,
lineColor: '#14b8ff',
stats: null,
tagName: '',
chartStats: null,
chartData: null,
chartOptions: null,
showSummary: true,
showRange: true,
chartType: '',
chartSize: '',
chartHeading: 'Total members',
isSmall: computed('chartSize', function () {
if (this.chartSize === 'small') {
return true;
}
return false;
}),
startDateLabel: computed('membersStats.stats', function () {
if (!this.membersStats?.stats?.total_on_date) {
return '';
}
let firstDate = Object.keys(this.membersStats.stats.total_on_date)[0];
return moment(firstDate).format(DATE_FORMAT);
}),
selectedRange: computed('membersStats.days', function () {
const availableRanges = this.availableRanges;
return availableRanges.findBy('days', this.membersStats.days);
}),
availableRanges: computed(function () {
return [{
name: '30 days',
days: '30'
}, {
name: '90 days',
days: '90'
}, {
name: '365 days',
days: '365'
}, {
name: 'All time',
days: 'all-time'
}];
}),
// Lifecycle ---------------------------------------------------------------
init() {
this._super(...arguments);
this.setChartJSDefaults();
},
didReceiveAttrs() {
if (this.chartStats) {
const {options, data, title, stats} = this.chartStats;
this.set('stats', stats);
this.set('chartHeading', title);
this.setChartData(data);
this.setChartOptions(options);
}
if (this._lastNightShift !== undefined && this.nightShift !== this._lastNightShift) {
const {options = {}} = this.chartStats;
this.setChartOptions(options);
}
this._lastNightShift = this.nightShift;
},
// Actions -----------------------------------------------------------------
changeDateRange: action(function (range) {
this.membersStats.days = get(range, 'days');
this.fetchStatsTask.perform();
}),
// Tasks -------------------------------------------------------------------
fetchStatsTask: task(function* () {
let stats;
if (!this.chartType) {
this.set('stats', null);
stats = yield this.membersStats.fetch();
this.setOriginalChartData(stats);
}
}),
setOriginalChartData(stats) {
if (stats) {
this.set('stats', stats);
this.setChartOptions({
rangeInDays: Object.keys(stats.total_on_date).length
});
this.setChartData({
dateLabels: Object.keys(stats.total_on_date),
dateValues: Object.values(stats.total_on_date)
});
}
},
// Internal ----------------------------------------------------------------
setChartData({dateLabels, dateValues, label = 'Total Members'}) {
let backgroundColors = this.lineColor;
if (this.chartType === 'open-rate') {
backgroundColors = dateLabels.map((val) => {
if (val) {
return this.lineColor;
} else {
return (this.nightShift ? '#7C8B9A' : '#CED4D9');
}
});
}
this.set('chartData', {
labels: dateLabels,
datasets: [{
label: label,
cubicInterpolationMode: 'monotone',
data: dateValues,
fill: false,
backgroundColor: backgroundColors,
pointRadius: 0,
pointHitRadius: 10,
borderColor: this.lineColor,
borderJoinStyle: 'miter',
maxBarThickness: 20,
minBarLength: 2
}]
});
},
setChartOptions({rangeInDays}) {
let maxTicksAllowed = this.isSmall ? 3 : this.getTicksForRange(rangeInDays);
if (this.chartType === 'open-rate') {
maxTicksAllowed = 0;
}
this.setChartJSDefaults();
let options = {
responsive: true,
responsiveAnimationDuration: 5,
maintainAspectRatio: false,
layout: {
padding: {
top: (this.isSmall ? 20 : 5), // Needed otherwise the top dot is cut
right: 10,
bottom: (this.isSmall ? 20 : 5),
left: 10
}
},
title: {
display: false
},
tooltips: {
intersect: false,
mode: 'index',
displayColors: false,
backgroundColor: '#15171A',
xPadding: 7,
yPadding: 7,
cornerRadius: 5,
caretSize: 7,
caretPadding: 5,
bodyFontSize: 12.5,
titleFontSize: 12,
titleFontStyle: 'normal',
titleFontColor: 'rgba(255, 255, 255, 0.7)',
titleMarginBottom: 3,
filter: (tooltipItems, data) => {
if (this.chartType === 'open-rate') {
let label = data.labels[tooltipItems.index];
if (label === '') {
return false;
}
}
return true;
},
callbacks: {
label: (tooltipItems, data) => {
const labelText = data.datasets[tooltipItems.datasetIndex].label;
let valueText = data.datasets[tooltipItems.datasetIndex].data[tooltipItems.index].toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',');
if (this.chartType === 'mrr') {
const currency = getSymbol(this.stats.currency);
valueText = `${currency}${valueText}`;
}
if (this.chartType === 'open-rate') {
valueText = `${valueText}%`;
}
return `${labelText}: ${valueText}`;
},
title: (tooltipItems) => {
if (this.chartType === 'open-rate') {
if (tooltipItems.length) {
return tooltipItems[0].xLabel;
} else {
return '';
}
}
return moment(tooltipItems[0].xLabel).format(DATE_FORMAT);
}
}
},
hover: {
mode: 'index',
intersect: false,
animationDuration: 120
},
legend: {
display: false
},
scales: {
xAxes: [{
labelString: 'Date',
gridLines: {
drawTicks: false,
color: (this.nightShift ? '#333F44' : '#DDE1E5'),
zeroLineColor: (this.nightShift ? '#333F44' : '#DDE1E5')
},
ticks: {
display: false,
maxRotation: 0,
minRotation: 0,
padding: 6,
autoSkip: false,
fontColor: '#626D79',
maxTicksLimit: 10,
callback: (value, index, values) => {
let step = (values.length - 1) / (maxTicksAllowed);
let steps = [];
for (let i = 0; i < maxTicksAllowed; i++) {
steps.push(Math.ceil(i * step));
}
if (index === 0) {
return value;
}
if (index === (values.length - 1) && this.chartType !== 'open-rate') {
return 'Today';
}
if (steps.includes(index)) {
return '';
}
}
}
}],
yAxes: [{
gridLines: {
drawTicks: false,
display: false,
drawBorder: false
},
ticks: {
maxTicksLimit: 5,
fontColor: '#7C8B9A',
padding: 8,
precision: 0,
callback: (value) => {
const currency = this.chartType === 'mrr' ? getSymbol(this.stats.currency) : '';
if (parseInt(value) >= 1000) {
return currency + value.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',');
} else {
return currency + value;
}
}
}
}]
}
};
if (this.chartType === 'mrr' || this.chartType === 'all-members') {
const chartData = this.get('chartData').datasets[0].data;
let allZeros = true;
for (let i = 0; i < chartData.length; i++) {
const element = chartData[i];
if (element !== 0) {
allZeros = false;
break;
}
}
if (allZeros) {
options.scales.yAxes[0].ticks.suggestedMin = 0;
options.scales.yAxes[0].ticks.suggestedMax = 100;
}
}
if (this.chartType === 'open-rate') {
options.scales.yAxes[0].ticks.suggestedMin = 0;
}
if (this.isSmall) {
options.scales.yAxes[0].ticks.display = false;
options.scales.xAxes[0].gridLines.display = true;
}
this.set('chartOptions', options);
},
getTicksForRange(rangeInDays) {
if (rangeInDays <= 30) {
return 5;
} else if (rangeInDays <= 90) {
return 10;
} else {
return 15;
}
},
setChartJSDefaults() {
Chart.defaults.LineWithLine = Chart.defaults.line;
Chart.controllers.LineWithLine = Chart.controllers.line.extend({
draw: function (ease) {
Chart.controllers.line.prototype.draw.call(this, ease);
if (this.chart.tooltip._active && this.chart.tooltip._active.length) {
let activePoint = this.chart.tooltip._active[0];
let ctx = this.chart.ctx;
let x = activePoint.tooltipPosition().x;
let topY = this.chart.scales['y-axis-0'].top;
let bottomY = this.chart.scales['y-axis-0'].bottom;
// draw line
ctx.save();
ctx.beginPath();
ctx.moveTo(x, topY);
ctx.lineTo(x, bottomY);
ctx.lineWidth = 1;
ctx.strokeStyle = (this.nightShift ? 'rgba(62, 176, 239, 0.65)' : 'rgba(62, 176, 239, 0.1)');
ctx.stroke();
ctx.restore();
}
}
});
}
});