39 lines
1.3 KiB
TypeScript
39 lines
1.3 KiB
TypeScript
import { BaseEntity } from '../infrastructure/Entity/BaseEntity';
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import { IScript } from './IScript';
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import { ICategory } from './ICategory';
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export class Category extends BaseEntity<number> implements ICategory {
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private allSubScripts: ReadonlyArray<IScript> = undefined;
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constructor(
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id: number,
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public readonly name: string,
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public readonly documentationUrls: ReadonlyArray<string>,
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public readonly subCategories?: ReadonlyArray<ICategory>,
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public readonly scripts?: ReadonlyArray<IScript>) {
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super(id);
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validateCategory(this);
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}
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public getAllScriptsRecursively(): readonly IScript[] {
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return this.allSubScripts || (this.allSubScripts = parseScriptsRecursively(this));
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}
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}
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function parseScriptsRecursively(category: ICategory): ReadonlyArray<IScript> {
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return [
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...category.scripts,
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...category.subCategories.flatMap((c) => c.getAllScriptsRecursively()),
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];
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}
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function validateCategory(category: ICategory) {
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if (!category.name) {
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throw new Error('undefined or empty name');
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}
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if ((!category.subCategories || category.subCategories.length === 0) &&
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(!category.scripts || category.scripts.length === 0)) {
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throw new Error('A category must have at least one sub-category or script');
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}
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}
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