45 lines
1.5 KiB
TypeScript
45 lines
1.5 KiB
TypeScript
/**
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* Analytics metrics view model
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* Represents metrics data for analytics
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*
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* Accepts AnalyticsMetricsViewData as input and produces UI-ready data.
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*/
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import { DurationFormatter } from "@/lib/formatters/DurationFormatter";
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import { NumberFormatter } from "@/lib/formatters/NumberFormatter";
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import { PercentFormatter } from "@/lib/formatters/PercentFormatter";
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import { ViewModel } from "../contracts/view-models/ViewModel";
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import { AnalyticsMetricsViewData } from "../view-data/AnalyticsMetricsViewData";
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export class AnalyticsMetricsViewModel extends ViewModel {
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private readonly data: AnalyticsMetricsViewData;
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constructor(data: AnalyticsMetricsViewData) {
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super();
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this.data = data;
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}
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get pageViews(): number { return this.data.pageViews; }
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get uniqueVisitors(): number { return this.data.uniqueVisitors; }
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get averageSessionDuration(): number { return this.data.averageSessionDuration; }
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get bounceRate(): number { return this.data.bounceRate; }
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/** UI-specific: Formatted page views */
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get formattedPageViews(): string {
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return NumberFormatter.format(this.pageViews);
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}
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/** UI-specific: Formatted unique visitors */
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get formattedUniqueVisitors(): string {
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return NumberFormatter.format(this.uniqueVisitors);
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}
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/** UI-specific: Formatted session duration */
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get formattedSessionDuration(): string {
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return DurationFormatter.formatSeconds(this.averageSessionDuration);
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}
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/** UI-specific: Formatted bounce rate */
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get formattedBounceRate(): string {
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return PercentFormatter.format(this.bounceRate);
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}
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} |