게시물 목록 카드 썸네일 생성 추가

scripts/backfill-post-thumbnails.js

@@ -0,0 +1,98 @@
+import { mkdir, readdir, stat } from 'node:fs/promises'
+import { extname, join } from 'node:path'
+import sharp from 'sharp'
+import {
+  POST_THUMBNAIL_HEIGHT,
+  POST_THUMBNAIL_QUALITY,
+  POST_THUMBNAIL_WIDTH,
+  getPostThumbnailDirectoryPath,
+  getPostThumbnailPathForFile,
+  isPostThumbnailSource
+} from '../server/utils/post-thumbnail-image.js'
+
+const uploadRoot = join(process.cwd(), 'public', 'uploads', 'posts')
+
+/**
+ * 게시물 업로드 이미지 파일 목록을 수집한다.
+ * @param {string} directoryPath - 탐색 디렉터리
+ * @returns {Promise<string[]>} 이미지 파일 경로 목록
+ */
+const collectPostImages = async (directoryPath) => {
+  let entries = []
+
+  try {
+    entries = await readdir(directoryPath, { withFileTypes: true })
+  } catch {
+    return []
+  }
+
+  const files = []
+
+  for (const entry of entries) {
+    const entryPath = join(directoryPath, entry.name)
+
+    if (entry.isDirectory()) {
+      if (entry.name === 'thumbs') {
+        continue
+      }
+
+      files.push(...await collectPostImages(entryPath))
+      continue
+    }
+
+    if (entry.isFile() && isPostThumbnailSource('', entry.name)) {
+      files.push(entryPath)
+    }
+  }
+
+  return files
+}
+
+/**
+ * 게시물 이미지 카드 썸네일을 생성한다.
+ * @param {string} imagePath - 원본 이미지 경로
+ * @returns {Promise<boolean>} 새로 생성했는지 여부
+ */
+const createPostThumbnail = async (imagePath) => {
+  const thumbnailPath = getPostThumbnailPathForFile(imagePath)
+
+  try {
+    await stat(thumbnailPath)
+    return false
+  } catch {
+    await mkdir(getPostThumbnailDirectoryPath(imagePath), { recursive: true })
+  }
+
+  await sharp(imagePath)
+    .rotate()
+    .resize({
+      width: POST_THUMBNAIL_WIDTH,
+      height: POST_THUMBNAIL_HEIGHT,
+      fit: 'cover',
+      position: 'centre',
+      withoutEnlargement: true
+    })
+    .webp({ quality: POST_THUMBNAIL_QUALITY })
+    .toFile(thumbnailPath)
+
+  return true
+}
+
+const images = await collectPostImages(uploadRoot)
+let createdCount = 0
+let skippedCount = 0
+
+for (const imagePath of images) {
+  if (!isPostThumbnailSource('', imagePath) || extname(imagePath).toLowerCase() === '.gif') {
+    skippedCount += 1
+    continue
+  }
+
+  if (await createPostThumbnail(imagePath)) {
+    createdCount += 1
+  } else {
+    skippedCount += 1
+  }
+}
+
+process.stdout.write(`게시물 카드 썸네일 생성 완료: 생성 ${createdCount}개, 건너뜀 ${skippedCount}개\n`)