Files
privacy.sexy/src/domain/Category.ts
2020-08-25 16:52:38 +01:00

39 lines
1.3 KiB
TypeScript

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