29 lines
1009 B
TypeScript
29 lines
1009 B
TypeScript
import { ViewModel } from "../contracts/view-models/ViewModel";
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import { AvatarDisplay } from "../display-objects/AvatarDisplay";
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import { AvatarViewData } from "@/lib/view-data/AvatarViewData";
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/**
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* Avatar View Model
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*
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* Represents avatar information for the UI layer.
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* Transforms AvatarViewData into UI-ready state with formatting and derived fields.
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*/
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export class AvatarViewModel extends ViewModel {
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// UI-specific derived fields (primitive outputs only)
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readonly bufferBase64: string;
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readonly contentTypeLabel: string;
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readonly hasValidData: boolean;
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constructor(viewData: AvatarViewData) {
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super();
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// Buffer is already base64 encoded in ViewData
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this.bufferBase64 = viewData.buffer;
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// Derive content type label using Display Object
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this.contentTypeLabel = AvatarDisplay.formatContentType(viewData.contentType);
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// Derive validity check using Display Object
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this.hasValidData = AvatarDisplay.hasValidData(viewData.buffer, viewData.contentType);
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}
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} |