Initial commit

src/domain/Category.ts

@@ -0,0 +1,25 @@
+import { BaseEntity } from '../infrastructure/Entity/BaseEntity';
+import { IScript } from './IScript';
+import { ICategory } from './ICategory';
+
+export class Category extends BaseEntity<number> implements ICategory {
+    private static validate(category: ICategory) {
+        if (!category.name) {
+            throw new Error('name is null or empty');
+        }
+        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 scripts');
+        }
+    }
+
+    constructor(
+        id: number,
+        public readonly name: string,
+        public readonly documentationUrls: ReadonlyArray<string>,
+        public readonly subCategories?: ReadonlyArray<ICategory>,
+        public readonly scripts?: ReadonlyArray<IScript>) {
+        super(id);
+        Category.validate(this);
+    }
+}