미디어 본문 파생 이미지 분류 수정

server/utils/media-library.js

@@ -4,7 +4,9 @@ import { createError } from 'h3'
 import { getSiteSettings, listAdminPosts, listAdminTags, listPages } from '../repositories/content-repository'
 import { getPostgresClient } from '../repositories/postgres-client'
 import {
+  getPostBodyPreviewThumbnailUrl,
   getPostBodyThumbnailUrl,
+  getPostLightboxThumbnailUrl,
   getPostThumbnailUrl,
   isPostBodyThumbnailUrl,
   isPostCardThumbnailUrl,
@@ -587,11 +589,31 @@ const buildPostThumbnailOwnerMap = (items) => buildPostDerivativeOwnerMap(
  * @param {Array<Object>} items - 미디어 항목 목록
  * @returns {Map<string, string>} 본문 표시용 이미지 URL별 원본 URL
  */
-const buildPostBodyThumbnailOwnerMap = (items) => buildPostDerivativeOwnerMap(
-  items,
-  getPostBodyThumbnailUrl,
-  isPostBodyThumbnailUrl
-)
+const buildPostBodyThumbnailOwnerMap = (items) => {
+  const itemUrlSet = new Set(items.map((item) => item.url))
+  const ownerByDerivativeUrl = new Map()
+  const bodyDerivativeUrlGetters = [
+    getPostBodyThumbnailUrl,
+    getPostBodyPreviewThumbnailUrl,
+    getPostLightboxThumbnailUrl
+  ]
+
+  for (const item of items) {
+    if (isPostBodyThumbnailUrl(item.url) || isPostCardThumbnailUrl(item.url) || !isPostThumbnailSource('', item.name)) {
+      continue
+    }
+
+    for (const getDerivativeUrl of bodyDerivativeUrlGetters) {
+      const derivativeUrl = getDerivativeUrl(item.url)
+
+      if (derivativeUrl && itemUrlSet.has(derivativeUrl)) {
+        ownerByDerivativeUrl.set(derivativeUrl, item.url)
+      }
+    }
+  }
+
+  return ownerByDerivativeUrl
+}
 
 /**
  * 게시물 카드 썸네일의 간접 사용처를 조회한다.