feat(serviceworker): Add persistent event store, cumulative metrics and dashboard events UI for service worker observability
This commit is contained in:
@@ -11,9 +11,10 @@ import './sw-dash-overview.js';
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import './sw-dash-urls.js';
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import './sw-dash-domains.js';
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import './sw-dash-types.js';
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import './sw-dash-events.js';
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import './sw-dash-table.js';
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type ViewType = 'overview' | 'urls' | 'domains' | 'types';
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type ViewType = 'overview' | 'urls' | 'domains' | 'types' | 'events';
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interface IResourceData {
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resources: ICachedResource[];
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@@ -228,6 +229,10 @@ export class SwDashApp extends LitElement {
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class="nav-tab ${this.currentView === 'types' ? 'active' : ''}"
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@click="${() => this.setView('types')}"
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>Types</button>
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<button
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class="nav-tab ${this.currentView === 'events' ? 'active' : ''}"
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@click="${() => this.setView('events')}"
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>Events</button>
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</nav>
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<div class="content">
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@@ -249,6 +254,10 @@ export class SwDashApp extends LitElement {
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<div class="view ${this.currentView === 'types' ? 'active' : ''}">
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<sw-dash-types .contentTypes="${this.resourceData.contentTypes}"></sw-dash-types>
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</div>
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<div class="view ${this.currentView === 'events' ? 'active' : ''}">
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<sw-dash-events></sw-dash-events>
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</div>
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</div>
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<div class="footer">
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353
ts_swdash/sw-dash-events.ts
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353
ts_swdash/sw-dash-events.ts
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@@ -0,0 +1,353 @@
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import { LitElement, html, css, property, state, customElement } from './plugins.js';
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import type { CSSResult, TemplateResult } from './plugins.js';
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import { sharedStyles, panelStyles, tableStyles, buttonStyles } from './sw-dash-styles.js';
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export interface IEventLogEntry {
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id: string;
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timestamp: number;
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type: string;
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message: string;
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details?: Record<string, any>;
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}
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type TEventFilter = 'all' | 'sw_installed' | 'sw_activated' | 'sw_updated' | 'sw_stopped'
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| 'speedtest_started' | 'speedtest_completed' | 'speedtest_failed'
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| 'backend_connected' | 'backend_disconnected'
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| 'cache_invalidated' | 'network_online' | 'network_offline'
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| 'update_check' | 'error';
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/**
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* Events panel component for sw-dash
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*/
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@customElement('sw-dash-events')
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export class SwDashEvents extends LitElement {
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public static styles: CSSResult[] = [
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sharedStyles,
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panelStyles,
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tableStyles,
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buttonStyles,
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css`
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:host {
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display: block;
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}
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.events-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: var(--space-4);
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gap: var(--space-3);
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flex-wrap: wrap;
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}
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.filter-group {
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display: flex;
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align-items: center;
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gap: var(--space-2);
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}
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.filter-label {
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font-size: 12px;
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color: var(--text-tertiary);
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}
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.filter-select {
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background: var(--bg-secondary);
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border: 1px solid var(--border-default);
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border-radius: var(--radius-sm);
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padding: var(--space-1) var(--space-2);
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color: var(--text-primary);
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font-size: 12px;
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}
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.filter-select:focus {
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outline: none;
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border-color: var(--accent-primary);
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}
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.events-list {
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display: flex;
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flex-direction: column;
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gap: var(--space-2);
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max-height: 600px;
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overflow-y: auto;
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}
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.event-card {
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background: var(--bg-secondary);
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border: 1px solid var(--border-default);
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border-radius: var(--radius-md);
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padding: var(--space-3);
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}
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.event-header {
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display: flex;
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justify-content: space-between;
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align-items: flex-start;
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margin-bottom: var(--space-2);
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}
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.event-type {
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display: inline-flex;
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align-items: center;
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padding: var(--space-1) var(--space-2);
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border-radius: var(--radius-sm);
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font-size: 11px;
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font-weight: 500;
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text-transform: uppercase;
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letter-spacing: 0.5px;
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}
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.event-type.sw { background: rgba(99, 102, 241, 0.15); color: var(--accent-primary); }
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.event-type.speedtest { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
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.event-type.network { background: rgba(34, 197, 94, 0.15); color: var(--accent-success); }
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.event-type.cache { background: rgba(251, 191, 36, 0.15); color: var(--accent-warning); }
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.event-type.error { background: rgba(239, 68, 68, 0.15); color: var(--accent-error); }
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.event-time {
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font-size: 11px;
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color: var(--text-tertiary);
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font-variant-numeric: tabular-nums;
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}
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.event-message {
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font-size: 13px;
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color: var(--text-primary);
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margin-bottom: var(--space-2);
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}
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.event-details {
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font-size: 11px;
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color: var(--text-tertiary);
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background: var(--bg-tertiary);
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padding: var(--space-2);
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border-radius: var(--radius-sm);
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font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
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white-space: pre-wrap;
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word-break: break-all;
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}
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.stats-bar {
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display: flex;
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gap: var(--space-4);
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margin-bottom: var(--space-4);
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padding: var(--space-3);
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background: var(--bg-secondary);
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border-radius: var(--radius-md);
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border: 1px solid var(--border-default);
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}
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.stat-item {
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display: flex;
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flex-direction: column;
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gap: var(--space-1);
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}
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.stat-value {
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font-size: 18px;
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font-weight: 600;
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color: var(--text-primary);
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font-variant-numeric: tabular-nums;
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}
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.stat-label {
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font-size: 11px;
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color: var(--text-tertiary);
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text-transform: uppercase;
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letter-spacing: 0.5px;
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}
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.empty-state {
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text-align: center;
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padding: var(--space-6);
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color: var(--text-tertiary);
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}
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.clear-btn {
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background: rgba(239, 68, 68, 0.1);
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color: var(--accent-error);
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border: 1px solid transparent;
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}
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.clear-btn:hover {
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background: rgba(239, 68, 68, 0.2);
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border-color: var(--accent-error);
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}
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.pagination {
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display: flex;
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justify-content: center;
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align-items: center;
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gap: var(--space-2);
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margin-top: var(--space-4);
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}
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.page-info {
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font-size: 12px;
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color: var(--text-tertiary);
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}
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`
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];
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@property({ type: Array }) accessor events: IEventLogEntry[] = [];
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@state() accessor filter: TEventFilter = 'all';
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@state() accessor searchText = '';
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@state() accessor totalCount = 0;
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@state() accessor isLoading = true;
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@state() accessor page = 1;
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private readonly pageSize = 50;
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connectedCallback(): void {
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super.connectedCallback();
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this.loadEvents();
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}
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private async loadEvents(): Promise<void> {
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this.isLoading = true;
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try {
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const params = new URLSearchParams();
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params.set('limit', String(this.pageSize * this.page));
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if (this.filter !== 'all') {
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params.set('type', this.filter);
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}
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const response = await fetch(`/sw-dash/events?${params}`);
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const data = await response.json();
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this.events = data.events;
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this.totalCount = data.totalCount;
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} catch (err) {
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console.error('Failed to load events:', err);
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} finally {
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this.isLoading = false;
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}
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}
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private handleFilterChange(e: Event): void {
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this.filter = (e.target as HTMLSelectElement).value as TEventFilter;
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this.page = 1;
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this.loadEvents();
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}
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private handleSearch(e: Event): void {
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this.searchText = (e.target as HTMLInputElement).value.toLowerCase();
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}
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private async handleClear(): Promise<void> {
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if (!confirm('Are you sure you want to clear the event log? This cannot be undone.')) {
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return;
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}
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try {
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await fetch('/sw-dash/events', { method: 'DELETE' });
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this.loadEvents();
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} catch (err) {
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console.error('Failed to clear events:', err);
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}
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}
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private loadMore(): void {
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this.page++;
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this.loadEvents();
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}
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private getTypeClass(type: string): string {
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if (type.startsWith('sw_')) return 'sw';
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if (type.startsWith('speedtest_')) return 'speedtest';
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if (type.startsWith('network_') || type.startsWith('backend_')) return 'network';
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if (type.startsWith('cache_') || type === 'update_check') return 'cache';
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if (type === 'error') return 'error';
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return 'sw';
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}
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private formatTimestamp(ts: number): string {
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const date = new Date(ts);
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return date.toLocaleString();
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}
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private formatTypeLabel(type: string): string {
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return type.replace(/_/g, ' ');
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}
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private getFilteredEvents(): IEventLogEntry[] {
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if (!this.searchText) return this.events;
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return this.events.filter(e =>
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e.message.toLowerCase().includes(this.searchText) ||
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e.type.toLowerCase().includes(this.searchText) ||
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(e.details && JSON.stringify(e.details).toLowerCase().includes(this.searchText))
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);
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}
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public render(): TemplateResult {
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const filteredEvents = this.getFilteredEvents();
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return html`
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<div class="stats-bar">
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<div class="stat-item">
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<span class="stat-value">${this.totalCount}</span>
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<span class="stat-label">Total Events</span>
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</div>
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<div class="stat-item">
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<span class="stat-value">${filteredEvents.length}</span>
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<span class="stat-label">Showing</span>
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</div>
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</div>
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<div class="events-header">
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<div class="filter-group">
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<span class="filter-label">Filter:</span>
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<select class="filter-select" @change="${this.handleFilterChange}">
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<option value="all">All Events</option>
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<option value="sw_installed">SW Installed</option>
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<option value="sw_activated">SW Activated</option>
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<option value="sw_updated">SW Updated</option>
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<option value="speedtest_started">Speedtest Started</option>
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<option value="speedtest_completed">Speedtest Completed</option>
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<option value="speedtest_failed">Speedtest Failed</option>
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<option value="network_online">Network Online</option>
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<option value="network_offline">Network Offline</option>
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<option value="cache_invalidated">Cache Invalidated</option>
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<option value="error">Errors</option>
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</select>
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<input
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type="text"
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class="search-input"
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placeholder="Search events..."
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.value="${this.searchText}"
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@input="${this.handleSearch}"
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style="width: 200px;"
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>
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</div>
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<button class="btn clear-btn" @click="${this.handleClear}">Clear Log</button>
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</div>
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${this.isLoading && this.events.length === 0 ? html`
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<div class="empty-state">Loading events...</div>
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` : filteredEvents.length === 0 ? html`
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<div class="empty-state">No events found</div>
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` : html`
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<div class="events-list">
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${filteredEvents.map(event => html`
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<div class="event-card">
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<div class="event-header">
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<span class="event-type ${this.getTypeClass(event.type)}">${this.formatTypeLabel(event.type)}</span>
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<span class="event-time">${this.formatTimestamp(event.timestamp)}</span>
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</div>
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<div class="event-message">${event.message}</div>
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${event.details ? html`
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<div class="event-details">${JSON.stringify(event.details, null, 2)}</div>
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` : ''}
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</div>
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`)}
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</div>
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${this.events.length < this.totalCount ? html`
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<div class="pagination">
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<button class="btn btn-secondary" @click="${this.loadMore}" ?disabled="${this.isLoading}">
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${this.isLoading ? 'Loading...' : 'Load More'}
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</button>
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<span class="page-info">${this.events.length} of ${this.totalCount} events</span>
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</div>
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` : ''}
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`}
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`;
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}
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}
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@@ -83,10 +83,38 @@ export class SwDashOverview extends LitElement {
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@state() accessor speedtestPhase: 'idle' | 'latency' | 'download' | 'upload' | 'complete' = 'idle';
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@state() accessor speedtestProgress = 0;
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@state() accessor speedtestElapsed = 0;
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@state() accessor eventCountLastHour = 0;
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// Speedtest timing constants (must match service worker)
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private static readonly TEST_DURATION_MS = 5000; // 5 seconds per test
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private progressInterval: number | null = null;
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private eventCountInterval: number | null = null;
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connectedCallback(): void {
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super.connectedCallback();
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this.fetchEventCount();
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// Refresh event count every 30 seconds
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this.eventCountInterval = window.setInterval(() => this.fetchEventCount(), 30000);
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}
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disconnectedCallback(): void {
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super.disconnectedCallback();
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if (this.eventCountInterval) {
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window.clearInterval(this.eventCountInterval);
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this.eventCountInterval = null;
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}
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}
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private async fetchEventCount(): Promise<void> {
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try {
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const oneHourAgo = Date.now() - 3600000;
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const response = await fetch(`/sw-dash/events/count?since=${oneHourAgo}`);
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const data = await response.json();
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this.eventCountLastHour = data.count;
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} catch (err) {
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console.error('Failed to fetch event count:', err);
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}
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}
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private async runSpeedtest(): Promise<void> {
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if (this.speedtestRunning) return;
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@@ -234,6 +262,7 @@ export class SwDashOverview extends LitElement {
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<div class="row"><span class="label">Successful</span><span class="value success">${SwDashTable.formatNumber(m.connection.successfulConnections)}</span></div>
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<div class="row"><span class="label">Failed</span><span class="value ${m.connection.failedConnections > 0 ? 'error' : ''}">${SwDashTable.formatNumber(m.connection.failedConnections)}</span></div>
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<div class="section-divider">
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<div class="row"><span class="label">Events (1h)</span><span class="value">${this.eventCountLastHour}</span></div>
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<div class="row"><span class="label">Started</span><span class="value">${SwDashTable.formatTimestamp(m.startTime)}</span></div>
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</div>
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</div>
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