From 4f3f2efbdc2fab5070abeb325fa4d8a00069bd54 Mon Sep 17 00:00:00 2001
From: Lee Kelleher <leekelleher@users.noreply.github.com>
Date: Tue, 26 Nov 2024 13:45:09 +0000
Subject: [PATCH] Adds UFM Link component (#17636)

to support the Multi-URL Picker editor.
---
 .../ufm/components/link/link.component.ts     | 15 ++++
 .../ufm/components/link/link.element.ts       | 84 +++++++++++++++++++
 .../src/packages/ufm/components/manifests.ts  |  7 ++
 3 files changed, 106 insertions(+)
 create mode 100644 src/Umbraco.Web.UI.Client/src/packages/ufm/components/link/link.component.ts
 create mode 100644 src/Umbraco.Web.UI.Client/src/packages/ufm/components/link/link.element.ts

diff --git a/src/Umbraco.Web.UI.Client/src/packages/ufm/components/link/link.component.ts b/src/Umbraco.Web.UI.Client/src/packages/ufm/components/link/link.component.ts
new file mode 100644
index 0000000000..c49258e30f
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/src/packages/ufm/components/link/link.component.ts
@@ -0,0 +1,15 @@
+import type { UfmToken } from '../../plugins/marked-ufm.plugin.js';
+import { UmbUfmComponentBase } from '../ufm-component-base.js';
+
+import './link.element.js';
+
+export class UmbUfmLinkComponent extends UmbUfmComponentBase {
+	render(token: UfmToken) {
+		if (!token.text) return;
+
+		const attributes = super.getAttributes(token.text);
+		return `<ufm-link ${attributes}></ufm-link>`;
+	}
+}
+
+export { UmbUfmLinkComponent as api };
diff --git a/src/Umbraco.Web.UI.Client/src/packages/ufm/components/link/link.element.ts b/src/Umbraco.Web.UI.Client/src/packages/ufm/components/link/link.element.ts
new file mode 100644
index 0000000000..b53b276b00
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/src/packages/ufm/components/link/link.element.ts
@@ -0,0 +1,84 @@
+import { UmbUfmElementBase } from '../ufm-element-base.js';
+import { UMB_UFM_RENDER_CONTEXT } from '../ufm-render/ufm-render.context.js';
+import { customElement, property } from '@umbraco-cms/backoffice/external/lit';
+import { UmbDocumentItemRepository, UMB_DOCUMENT_ENTITY_TYPE } from '@umbraco-cms/backoffice/document';
+import { UmbMediaItemRepository, UMB_MEDIA_ENTITY_TYPE } from '@umbraco-cms/backoffice/media';
+import type { UmbLinkPickerLink } from '@umbraco-cms/backoffice/multi-url-picker';
+
+const elementName = 'ufm-link';
+
+@customElement(elementName)
+export class UmbUfmLinkElement extends UmbUfmElementBase {
+	@property()
+	alias?: string;
+
+	#documentRepository?: UmbDocumentItemRepository;
+	#mediaRepository?: UmbMediaItemRepository;
+
+	constructor() {
+		super();
+
+		this.consumeContext(UMB_UFM_RENDER_CONTEXT, (context) => {
+			this.observe(
+				context.value,
+				async (value) => {
+					const temp =
+						this.alias && typeof value === 'object'
+							? (value as Record<string, unknown>)[this.alias]
+							: (value as unknown);
+
+					if (!temp) return;
+
+					const items = Array.isArray(temp) ? temp : [temp];
+					const names = await Promise.all(items.map(async (item) => await this.#getName(item)));
+					this.value = names.filter((x) => x).join(', ');
+				},
+				'observeValue',
+			);
+		});
+	}
+
+	async #getName(item?: unknown) {
+		const link = item as UmbLinkPickerLink;
+
+		if (link.name) {
+			return link.name;
+		}
+
+		const entityType = link.type;
+		const unique = link.unique;
+
+		if (unique) {
+			const repository = this.#getRepository(entityType);
+			if (repository) {
+				const { data } = await repository.requestItems([unique]);
+				if (Array.isArray(data) && data.length > 0) {
+					return data.map((item) => item.name).join(', ');
+				}
+			}
+		}
+
+		return '';
+	}
+
+	#getRepository(entityType?: string | null) {
+		switch (entityType) {
+			case UMB_MEDIA_ENTITY_TYPE:
+				if (!this.#mediaRepository) this.#mediaRepository = new UmbMediaItemRepository(this);
+				return this.#mediaRepository;
+
+			case UMB_DOCUMENT_ENTITY_TYPE:
+			default:
+				if (!this.#documentRepository) this.#documentRepository = new UmbDocumentItemRepository(this);
+				return this.#documentRepository;
+		}
+	}
+}
+
+export { UmbUfmLinkElement as element };
+
+declare global {
+	interface HTMLElementTagNameMap {
+		[elementName]: UmbUfmLinkElement;
+	}
+}
diff --git a/src/Umbraco.Web.UI.Client/src/packages/ufm/components/manifests.ts b/src/Umbraco.Web.UI.Client/src/packages/ufm/components/manifests.ts
index b9c7f5dc6f..c247af5a31 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/ufm/components/manifests.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/ufm/components/manifests.ts
@@ -22,4 +22,11 @@ export const manifests: Array<ManifestUfmComponent> = [
 		api: () => import('./content-name/content-name.component.js'),
 		meta: { alias: 'umbContentName', marker: '~' },
 	},
+	{
+		type: 'ufmComponent',
+		alias: 'Umb.Markdown.Link',
+		name: 'Link UFM Component',
+		api: () => import('./link/link.component.js'),
+		meta: { alias: 'umbLink' },
+	},
 ];