fix(core): tease premium article bodies when lexical content is missing

Author: Innei

apps/core/src/modules/article-body/article-body.service.ts

@@ -12,9 +12,8 @@ import {
   TranslationService,
 } from '~/processors/helper/helper.translation.service'
 import {
-  renderTeaserText,
-  resolveEffectivePreviewBlocks,
-  truncateLexicalContent,
+  getPublicContent,
+  getPublicText,
 } from '~/processors/helper/lexical-truncate.util'
 
 import type { ArticleBodyItem } from './article-body.schema'
@@ -56,15 +55,11 @@ function isNotePubliclyListed(note: NoteRow) {
 }
 
 function applyPaywallTeaser(doc: BodyDoc): BodyDoc {
-  const previewBlocks = resolveEffectivePreviewBlocks(
-    doc.content,
-    doc.meta?.paywall?.previewBlocks,
-  )
-  const content = truncateLexicalContent(doc.content, previewBlocks)
+  const source = { ...doc, isPremium: true }
   return {
     ...doc,
-    content,
-    text: renderTeaserText(content),
+    content: getPublicContent(source),
+    text: getPublicText(source),
   }
 }
 

apps/core/test/src/modules/article-body/article-body.service.spec.ts

@@ -179,6 +179,20 @@ describe('ArticleBodyService.streamBodies', () => {
     })
   })
 
+  it('teases a premium post with no lexical body as an empty locked line', async () => {
+    const { service } = createService({
+      entitled: false,
+      posts: [makePost({ isPremium: true, content: null, text: 'hidden' })],
+    })
+    const lines = await collect(service, [{ id: postId, kind: 'post' }])
+    expect(lines[0]).toMatchObject({
+      content: null,
+      isPremium: true,
+      locked: true,
+      text: '',
+    })
+  })
+
   it('returns the full premium body when the reader is entitled', async () => {
     const { service } = createService({
       entitled: true,