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/** |
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* Dashboard charts and interactions for Course Builder. |
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* |
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* @since 4.3.0 |
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* @version 1.0.0 |
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*/ |
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|
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import Chart from 'chart.js/auto'; |
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|
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export class BuilderDashboard { |
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constructor() { |
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this.charts = {}; |
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this.init(); |
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} |
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|
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init() { |
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const dataEl = document.getElementById( 'lp-cb-dashboard-chart-data' ); |
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if ( ! dataEl ) { |
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return; |
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} |
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|
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try { |
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this.chartData = JSON.parse( dataEl.textContent ); |
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} catch ( e ) { |
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console.warn( 'Dashboard: Failed to parse chart data', e ); |
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return; |
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} |
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|
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this.initSalesChart(); |
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this.initStudentsChart(); |
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this.bindFilterEvents(); |
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} |
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|
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createGradient( ctx, color ) { |
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const gradient = ctx.createLinearGradient( 0, 0, 0, ctx.canvas.height ); |
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gradient.addColorStop( 0, color + '40' ); |
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gradient.addColorStop( 1, color + '05' ); |
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return gradient; |
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} |
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|
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getChartConfig( labels, data, color, prefix = '', isInteger = false ) { |
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return { |
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type: 'line', |
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data: { |
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labels, |
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datasets: [ { |
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data, |
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borderColor: color, |
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borderWidth: 2.5, |
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backgroundColor: ( context ) => { |
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const { ctx } = context.chart; |
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return this.createGradient( ctx, color ); |
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}, |
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fill: true, |
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tension: 0.4, |
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pointBackgroundColor: color, |
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pointBorderColor: '#fff', |
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pointBorderWidth: 2, |
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pointRadius: 0, |
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pointHoverRadius: 6, |
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pointHoverBorderWidth: 2, |
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} ], |
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}, |
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options: { |
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responsive: true, |
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maintainAspectRatio: false, |
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plugins: { |
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legend: { display: false }, |
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tooltip: { |
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backgroundColor: '#1e1e1e', |
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titleColor: '#fff', |
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bodyColor: '#fff', |
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borderColor: 'rgba(255,255,255,0.1)', |
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borderWidth: 1, |
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cornerRadius: 8, |
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padding: 12, |
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displayColors: false, |
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callbacks: { |
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label: ( context ) => { |
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const val = context.parsed.y || 0; |
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return prefix + val.toLocaleString(); |
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}, |
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}, |
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}, |
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}, |
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scales: { |
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x: { |
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grid: { display: false }, |
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ticks: { |
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color: '#9ca3af', |
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font: { size: 11 }, |
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maxRotation: 0, |
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}, |
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border: { display: false }, |
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}, |
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y: { |
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grid: { |
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color: 'rgba(0,0,0,0.04)', |
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drawBorder: false, |
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}, |
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ticks: { |
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stepSize: isInteger ? 1 : undefined, |
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color: '#9ca3af', |
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font: { size: 11 }, |
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callback: ( value ) => prefix + value.toLocaleString(), |
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}, |
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border: { display: false }, |
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beginAtZero: true, |
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}, |
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}, |
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interaction: { |
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intersect: false, |
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mode: 'index', |
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}, |
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}, |
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}; |
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} |
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|
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initSalesChart() { |
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const canvas = document.getElementById( 'lp-cb-chart-sales' ); |
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if ( ! canvas ) { |
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return; |
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} |
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|
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const { labels = [], data = [] } = this.chartData.sales || {}; |
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const config = this.getChartConfig( labels, data, '#10b981', '$' ); |
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this.charts.sales = new Chart( canvas, config ); |
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} |
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|
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initStudentsChart() { |
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const canvas = document.getElementById( 'lp-cb-chart-students' ); |
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if ( ! canvas ) { |
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return; |
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} |
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|
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const { labels = [], data = [] } = this.chartData.students || {}; |
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const config = this.getChartConfig( labels, data, '#f59e0b', '', true ); |
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this.charts.students = new Chart( canvas, config ); |
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} |
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|
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bindFilterEvents() { |
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const filters = document.querySelectorAll( '.chart-card__filter' ); |
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filters.forEach( ( select ) => { |
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select.addEventListener( 'change', ( e ) => { |
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const chartType = e.target.dataset.chart; |
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const period = e.target.value; |
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this.fetchChartData( chartType, period ); |
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} ); |
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} ); |
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} |
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|
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async fetchChartData( chartType, period ) { |
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const chart = this.charts[ chartType ]; |
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if ( ! chart ) { |
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return; |
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} |
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|
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const formData = new FormData(); |
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formData.append( 'action', 'lp_cb_dashboard_chart_data' ); |
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formData.append( 'chart_type', chartType ); |
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formData.append( 'period', period ); |
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formData.append( 'nonce', this.chartData.nonce ); |
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|
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try { |
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const response = await fetch( this.chartData.ajaxUrl, { |
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method: 'POST', |
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body: formData, |
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} ); |
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|
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const result = await response.json(); |
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if ( result.success && result.data ) { |
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chart.data.labels = result.data.labels || []; |
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chart.data.datasets[ 0 ].data = result.data.data || []; |
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chart.update( 'none' ); |
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} |
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} catch ( e ) { |
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console.warn( 'Dashboard: Failed to fetch chart data', e ); |
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} |
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} |
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} |
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