53 lines
1.3 KiB
TypeScript
53 lines
1.3 KiB
TypeScript
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import { IImageInfo } from '../../../types/matrix/common';
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import { ImageUsage, PackImage } from './types';
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export class PackImageReader {
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public readonly shortcode: string;
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public readonly url: string;
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private readonly image: Omit<PackImage, 'url'>;
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constructor(shortcode: string, url: string, image: Omit<PackImage, 'url'>) {
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this.shortcode = shortcode;
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this.url = url;
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this.image = image;
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}
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static fromPackImage(shortcode: string, image: PackImage): PackImageReader | undefined {
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const { url } = image;
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if (typeof url !== 'string') return undefined;
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return new PackImageReader(shortcode, url, image);
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}
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get body(): string | undefined {
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const { body } = this.image;
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return typeof body === 'string' ? body : undefined;
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}
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get info(): IImageInfo | undefined {
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return this.image.info;
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}
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get usage(): ImageUsage[] | undefined {
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const usg = this.image.usage;
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if (!Array.isArray(usg)) return undefined;
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const knownUsage = usg.filter((u) => u === ImageUsage.Emoticon || u === ImageUsage.Sticker);
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return knownUsage.length > 0 ? knownUsage : undefined;
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}
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get content(): PackImage {
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return {
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url: this.url,
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body: this.image.body,
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usage: this.image.usage,
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info: this.image.info,
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};
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}
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}
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