perf(webui): refactor dashboard modules and optimize API performance
This commit is contained in:
Wha1eChai
493
public/js/components/dashboard/charts.js
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493
public/js/components/dashboard/charts.js
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/**
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* Dashboard Charts Module
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* Handles Chart.js visualizations (quota distribution & usage trend)
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*/
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window.DashboardCharts = window.DashboardCharts || {};
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// Helper to get CSS variable values (alias to window.utils.getThemeColor)
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const getThemeColor = (name) => window.utils.getThemeColor(name);
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// Color palette for different families and models
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const FAMILY_COLORS = {
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get claude() {
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return getThemeColor("--color-neon-purple");
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},
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get gemini() {
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return getThemeColor("--color-neon-green");
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},
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get other() {
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return getThemeColor("--color-neon-cyan");
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},
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};
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const MODEL_COLORS = Array.from({ length: 16 }, (_, i) =>
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getThemeColor(`--color-chart-${i + 1}`)
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);
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// Export constants for filter module
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window.DashboardConstants = { FAMILY_COLORS, MODEL_COLORS };
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// Module-level lock to prevent concurrent chart updates (fixes race condition)
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let _trendChartUpdateLock = false;
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/**
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* Convert hex color to rgba
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* @param {string} hex - Hex color string
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* @param {number} alpha - Alpha value (0-1)
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* @returns {string} rgba color string
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*/
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window.DashboardCharts.hexToRgba = function (hex, alpha) {
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const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
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if (result) {
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return `rgba(${parseInt(result[1], 16)}, ${parseInt(
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result[2],
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16
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)}, ${parseInt(result[3], 16)}, ${alpha})`;
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}
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return hex;
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};
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/**
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* Check if canvas is ready for Chart creation
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* @param {HTMLCanvasElement} canvas - Canvas element
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* @returns {boolean} True if canvas is ready
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*/
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function isCanvasReady(canvas) {
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if (!canvas || !canvas.isConnected) return false;
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if (canvas.offsetWidth === 0 || canvas.offsetHeight === 0) return false;
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try {
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const ctx = canvas.getContext("2d");
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return !!ctx;
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} catch (e) {
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return false;
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}
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}
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/**
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* Create a Chart.js dataset with gradient fill
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* @param {string} label - Dataset label
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* @param {Array} data - Data points
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* @param {string} color - Line color
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* @param {HTMLCanvasElement} canvas - Canvas element
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* @returns {object} Chart.js dataset configuration
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*/
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window.DashboardCharts.createDataset = function (label, data, color, canvas) {
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let gradient;
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try {
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// Safely create gradient with fallback
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if (canvas && canvas.getContext) {
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const ctx = canvas.getContext("2d");
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if (ctx && ctx.createLinearGradient) {
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gradient = ctx.createLinearGradient(0, 0, 0, 200);
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gradient.addColorStop(0, window.DashboardCharts.hexToRgba(color, 0.12));
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gradient.addColorStop(
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0.6,
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window.DashboardCharts.hexToRgba(color, 0.05)
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);
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gradient.addColorStop(1, "rgba(0, 0, 0, 0)");
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}
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}
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} catch (e) {
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console.warn("Failed to create gradient, using solid color fallback:", e);
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gradient = null;
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}
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// Fallback to solid color if gradient creation failed
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const backgroundColor =
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gradient || window.DashboardCharts.hexToRgba(color, 0.08);
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return {
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label,
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data,
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borderColor: color,
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backgroundColor: backgroundColor,
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borderWidth: 2.5,
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tension: 0.35,
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fill: true,
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pointRadius: 2.5,
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pointHoverRadius: 6,
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pointBackgroundColor: color,
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pointBorderColor: "rgba(9, 9, 11, 0.8)",
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pointBorderWidth: 1.5,
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};
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};
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/**
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* Update quota distribution donut chart
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* @param {object} component - Dashboard component instance
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*/
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window.DashboardCharts.updateCharts = function (component) {
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// Safely destroy existing chart instance FIRST
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if (component.charts.quotaDistribution) {
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try {
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component.charts.quotaDistribution.destroy();
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} catch (e) {
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console.error("Failed to destroy quota chart:", e);
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}
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component.charts.quotaDistribution = null;
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}
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const canvas = document.getElementById("quotaChart");
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// Safety checks
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if (!canvas) {
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console.warn("quotaChart canvas not found");
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return;
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}
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if (typeof Chart === "undefined") {
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console.warn("Chart.js not loaded");
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return;
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}
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if (!isCanvasReady(canvas)) {
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console.warn("quotaChart canvas not ready, skipping update");
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return;
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}
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// Use UNFILTERED data for global health chart
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const rows = Alpine.store("data").getUnfilteredQuotaData();
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if (!rows || rows.length === 0) return;
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const healthByFamily = {};
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let totalHealthSum = 0;
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let totalModelCount = 0;
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rows.forEach((row) => {
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const family = row.family || "unknown";
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if (!healthByFamily[family]) {
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healthByFamily[family] = { total: 0, weighted: 0 };
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}
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// Calculate average health from quotaInfo (each entry has { pct })
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// Health = average of all account quotas for this model
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const quotaInfo = row.quotaInfo || [];
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if (quotaInfo.length > 0) {
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const avgHealth = quotaInfo.reduce((sum, q) => sum + (q.pct || 0), 0) / quotaInfo.length;
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healthByFamily[family].total++;
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healthByFamily[family].weighted += avgHealth;
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totalHealthSum += avgHealth;
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totalModelCount++;
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}
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});
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// Update overall health for dashboard display
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component.stats.overallHealth = totalModelCount > 0
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? Math.round(totalHealthSum / totalModelCount)
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: 0;
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const familyColors = {
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claude: getThemeColor("--color-neon-purple"),
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gemini: getThemeColor("--color-neon-green"),
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unknown: getThemeColor("--color-neon-cyan"),
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};
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const data = [];
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const colors = [];
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const labels = [];
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const totalFamilies = Object.keys(healthByFamily).length;
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const segmentSize = 100 / totalFamilies;
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Object.entries(healthByFamily).forEach(([family, { total, weighted }]) => {
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const health = weighted / total;
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const activeVal = (health / 100) * segmentSize;
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const inactiveVal = segmentSize - activeVal;
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const familyColor = familyColors[family] || familyColors["unknown"];
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// Get translation keys
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const store = Alpine.store("global");
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const familyKey =
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"family" + family.charAt(0).toUpperCase() + family.slice(1);
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const familyName = store.t(familyKey);
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// Labels using translations if possible
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const activeLabel =
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family === "claude"
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? store.t("claudeActive")
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: family === "gemini"
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? store.t("geminiActive")
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: `${familyName} ${store.t("activeSuffix")}`;
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const depletedLabel =
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family === "claude"
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? store.t("claudeEmpty")
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: family === "gemini"
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? store.t("geminiEmpty")
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: `${familyName} ${store.t("depleted")}`;
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// Active segment
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data.push(activeVal);
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colors.push(familyColor);
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labels.push(activeLabel);
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// Inactive segment
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data.push(inactiveVal);
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colors.push(window.DashboardCharts.hexToRgba(familyColor, 0.1));
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labels.push(depletedLabel);
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});
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try {
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component.charts.quotaDistribution = new Chart(canvas, {
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type: "doughnut",
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data: {
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labels: labels,
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datasets: [
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{
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data: data,
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backgroundColor: colors,
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borderColor: getThemeColor("--color-space-950"),
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borderWidth: 2,
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hoverOffset: 0,
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borderRadius: 0,
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},
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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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cutout: "85%",
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rotation: -90,
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circumference: 360,
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plugins: {
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legend: { display: false },
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tooltip: { enabled: false },
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title: { display: false },
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},
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animation: {
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animateScale: true,
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animateRotate: true,
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},
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},
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});
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} catch (e) {
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console.error("Failed to create quota chart:", e);
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}
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};
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/**
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* Update usage trend line chart
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* @param {object} component - Dashboard component instance
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*/
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window.DashboardCharts.updateTrendChart = function (component) {
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// Prevent concurrent updates (fixes race condition on rapid toggling)
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if (_trendChartUpdateLock) {
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console.log("[updateTrendChart] Update already in progress, skipping");
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return;
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}
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_trendChartUpdateLock = true;
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console.log("[updateTrendChart] Starting update...");
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// Safely destroy existing chart instance FIRST
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if (component.charts.usageTrend) {
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console.log("[updateTrendChart] Destroying existing chart");
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try {
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// Stop all animations before destroying to prevent null context errors
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component.charts.usageTrend.stop();
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component.charts.usageTrend.destroy();
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} catch (e) {
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console.error("[updateTrendChart] Failed to destroy chart:", e);
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}
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component.charts.usageTrend = null;
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}
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const canvas = document.getElementById("usageTrendChart");
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// Safety checks
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if (!canvas) {
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console.error("[updateTrendChart] Canvas not found in DOM!");
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return;
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}
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if (typeof Chart === "undefined") {
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console.error("[updateTrendChart] Chart.js not loaded");
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return;
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}
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console.log("[updateTrendChart] Canvas element:", {
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exists: !!canvas,
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isConnected: canvas.isConnected,
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width: canvas.offsetWidth,
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height: canvas.offsetHeight,
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parentElement: canvas.parentElement?.tagName,
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});
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if (!isCanvasReady(canvas)) {
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console.error("[updateTrendChart] Canvas not ready!", {
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isConnected: canvas.isConnected,
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width: canvas.offsetWidth,
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height: canvas.offsetHeight,
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});
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_trendChartUpdateLock = false;
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return;
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}
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// Clear canvas to ensure clean state after destroy
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try {
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const ctx = canvas.getContext("2d");
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if (ctx) {
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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}
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} catch (e) {
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console.warn("[updateTrendChart] Failed to clear canvas:", e);
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}
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console.log(
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"[updateTrendChart] Canvas is ready, proceeding with chart creation"
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);
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const history = component.historyData;
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if (!history || Object.keys(history).length === 0) {
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console.warn("No history data available for trend chart");
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_trendChartUpdateLock = false;
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return;
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}
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const labels = [];
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const datasets = [];
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if (component.displayMode === "family") {
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// Aggregate by family
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const dataByFamily = {};
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component.selectedFamilies.forEach((family) => {
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dataByFamily[family] = [];
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});
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Object.entries(history).forEach(([iso, hourData]) => {
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const date = new Date(iso);
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labels.push(
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date.toLocaleTimeString([], { hour: "2-digit", minute: "2-digit" })
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);
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component.selectedFamilies.forEach((family) => {
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const familyData = hourData[family];
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const count = familyData?._subtotal || 0;
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dataByFamily[family].push(count);
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});
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});
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// Build datasets for families
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component.selectedFamilies.forEach((family) => {
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const color = window.DashboardFilters.getFamilyColor(family);
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const familyKey =
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"family" + family.charAt(0).toUpperCase() + family.slice(1);
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const label = Alpine.store("global").t(familyKey);
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datasets.push(
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window.DashboardCharts.createDataset(
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label,
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dataByFamily[family],
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color,
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canvas
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)
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);
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});
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} else {
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// Show individual models
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const dataByModel = {};
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// Initialize data arrays
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component.families.forEach((family) => {
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(component.selectedModels[family] || []).forEach((model) => {
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const key = `${family}:${model}`;
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dataByModel[key] = [];
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});
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});
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Object.entries(history).forEach(([iso, hourData]) => {
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const date = new Date(iso);
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labels.push(
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date.toLocaleTimeString([], { hour: "2-digit", minute: "2-digit" })
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);
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component.families.forEach((family) => {
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const familyData = hourData[family] || {};
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(component.selectedModels[family] || []).forEach((model) => {
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const key = `${family}:${model}`;
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dataByModel[key].push(familyData[model] || 0);
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});
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});
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});
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// Build datasets for models
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component.families.forEach((family) => {
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(component.selectedModels[family] || []).forEach((model, modelIndex) => {
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const key = `${family}:${model}`;
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const color = window.DashboardFilters.getModelColor(family, modelIndex);
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datasets.push(
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window.DashboardCharts.createDataset(
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model,
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dataByModel[key],
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color,
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canvas
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)
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);
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});
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});
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}
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try {
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component.charts.usageTrend = new Chart(canvas, {
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type: "line",
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data: { labels, datasets },
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options: {
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responsive: true,
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maintainAspectRatio: false,
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animation: {
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duration: 300, // Reduced animation for faster updates
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},
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interaction: {
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mode: "index",
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intersect: false,
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},
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plugins: {
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legend: { display: false },
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tooltip: {
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backgroundColor:
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getThemeColor("--color-space-950") || "rgba(24, 24, 27, 0.9)",
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titleColor: getThemeColor("--color-text-main"),
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bodyColor: getThemeColor("--color-text-bright"),
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borderColor: getThemeColor("--color-space-border"),
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borderWidth: 1,
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padding: 10,
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displayColors: true,
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callbacks: {
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label: function (context) {
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return context.dataset.label + ": " + context.parsed.y;
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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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display: true,
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grid: { display: false },
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ticks: {
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color: getThemeColor("--color-text-muted"),
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font: { size: 10 },
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},
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},
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y: {
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display: true,
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beginAtZero: true,
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grid: {
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display: true,
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color:
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getThemeColor("--color-space-border") + "1a" ||
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"rgba(255,255,255,0.05)",
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},
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ticks: {
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color: getThemeColor("--color-text-muted"),
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font: { size: 10 },
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},
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},
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},
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},
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});
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} catch (e) {
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console.error("Failed to create trend chart:", e);
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} finally {
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// Always release lock
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_trendChartUpdateLock = false;
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}
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};
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