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/** |
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* Dashboard monthly revenue chart (Chart.js). |
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*/ |
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(function () { |
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'use strict'; |
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|
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function init() { |
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if (typeof Chart === 'undefined' || typeof easyInvoiceDashboard === 'undefined') { |
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return; |
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} |
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|
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var cfg = easyInvoiceDashboard; |
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if (!cfg.hasData || !cfg.monthlyRevenue) { |
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return; |
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} |
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|
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var el = document.getElementById('revenue-chart'); |
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if (!el) { |
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return; |
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} |
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|
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var monthly = cfg.monthlyRevenue; |
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var months = Object.keys(monthly); |
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if (!months.length) { |
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return; |
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} |
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|
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var currencySet = {}; |
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months.forEach(function (m) { |
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var row = monthly[m]; |
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if (!row || typeof row !== 'object') { |
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return; |
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} |
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Object.keys(row).forEach(function (code) { |
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currencySet[code] = true; |
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}); |
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}); |
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|
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var currencies = Object.keys(currencySet); |
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if (!currencies.length) { |
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return; |
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} |
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|
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var palette = [ |
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'rgba(79, 70, 229, 0.85)', |
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'rgba(34, 197, 94, 0.85)', |
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'rgba(239, 68, 68, 0.85)', |
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'rgba(245, 158, 11, 0.85)', |
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'rgba(139, 92, 246, 0.85)', |
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]; |
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|
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var datasets = currencies.map(function (currency, idx) { |
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return { |
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label: currency, |
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data: months.map(function (m) { |
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var cell = monthly[m] && monthly[m][currency]; |
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if (!cell || cell.amount === undefined || cell.amount === null) { |
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return 0; |
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} |
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var n = parseFloat(cell.amount); |
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return isNaN(n) ? 0 : n; |
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}), |
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backgroundColor: palette[idx % palette.length], |
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borderColor: palette[idx % palette.length].replace('0.85', '1'), |
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borderWidth: 1, |
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}; |
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}); |
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|
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var ctx = el.getContext('2d'); |
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if (!ctx) { |
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return; |
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} |
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|
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if (window.easyInvoiceDashboardChart) { |
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window.easyInvoiceDashboardChart.destroy(); |
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} |
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|
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window.easyInvoiceDashboardChart = new Chart(ctx, { |
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type: 'bar', |
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data: { |
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labels: months, |
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datasets: datasets, |
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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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scales: { |
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y: { |
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beginAtZero: true, |
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ticks: { |
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precision: 0, |
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}, |
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}, |
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x: { |
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grid: { |
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display: false, |
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}, |
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}, |
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}, |
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plugins: { |
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legend: { |
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display: currencies.length > 1, |
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position: 'top', |
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}, |
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tooltip: { |
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mode: 'index', |
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intersect: false, |
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}, |
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}, |
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}, |
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}); |
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} |
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|
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if (document.readyState === 'loading') { |
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document.addEventListener('DOMContentLoaded', init); |
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} else { |
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init(); |
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} |
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})(); |
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|
