refactor(core): use new backlink indexer (#7296)

packages/frontend/core/src/modules/doc-link/entities/doc-backlinks.ts

@@ -0,0 +1,24 @@
+import type { DocService } from '@toeverything/infra';
+import { Entity, LiveData } from '@toeverything/infra';
+
+import type { DocsSearchService } from '../../docs-search';
+
+interface Backlink {
+  docId: string;
+  blockId: string;
+  title: string;
+}
+
+export class DocBacklinks extends Entity {
+  constructor(
+    private readonly docsSearchService: DocsSearchService,
+    private readonly docService: DocService
+  ) {
+    super();
+  }
+
+  backlinks$ = LiveData.from<Backlink[]>(
+    this.docsSearchService.watchRefsTo(this.docService.doc.id),
+    []
+  );
+}

packages/frontend/core/src/modules/doc-link/entities/doc-links.ts

@@ -0,0 +1,23 @@
+import type { DocService } from '@toeverything/infra';
+import { Entity, LiveData } from '@toeverything/infra';
+
+import type { DocsSearchService } from '../../docs-search';
+
+interface Link {
+  docId: string;
+  title: string;
+}
+
+export class DocLinks extends Entity {
+  constructor(
+    private readonly docsSearchService: DocsSearchService,
+    private readonly docService: DocService
+  ) {
+    super();
+  }
+
+  links$ = LiveData.from<Link[]>(
+    this.docsSearchService.watchRefsFrom(this.docService.doc.id),
+    []
+  );
+}

packages/frontend/core/src/modules/doc-link/index.ts

@@ -0,0 +1,22 @@
+import {
+  DocScope,
+  DocService,
+  type Framework,
+  WorkspaceScope,
+} from '@toeverything/infra';
+
+import { DocsSearchService } from '../docs-search';
+import { DocBacklinks } from './entities/doc-backlinks';
+import { DocLinks } from './entities/doc-links';
+import { DocLinksService } from './services/doc-links';
+
+export { DocLinksService } from './services/doc-links';
+
+export function configureDocLinksModule(framework: Framework) {
+  framework
+    .scope(WorkspaceScope)
+    .scope(DocScope)
+    .service(DocLinksService)
+    .entity(DocBacklinks, [DocsSearchService, DocService])
+    .entity(DocLinks, [DocsSearchService, DocService]);
+}

packages/frontend/core/src/modules/doc-link/services/doc-links.ts

@@ -0,0 +1,9 @@
+import { Service } from '@toeverything/infra';
+
+import { DocBacklinks } from '../entities/doc-backlinks';
+import { DocLinks } from '../entities/doc-links';
+
+export class DocLinksService extends Service {
+  backlinks = this.framework.createEntity(DocBacklinks);
+  links = this.framework.createEntity(DocLinks);
+}