Ajout du nettoyage des fichiers orphelins dans fetch-images

scripts/fetch-images.ts

@@ -1,7 +1,7 @@
 import "dotenv/config";
 import { createClient } from "webdav";
-import { mkdir, writeFile, stat } from "fs/promises";
+import { mkdir, writeFile, stat, readdir, rm } from "fs/promises";
-import { join, dirname } from "path";
+import { join, dirname, relative } from "path";
 
 interface FileStat {
   filename: string;
@@ -30,13 +30,25 @@ async function main() {
 
   console.log(`Fetching images from ${WEBDAV_URL}${WEBDAV_PATH}...`);
 
-  await syncDirectory(client, WEBDAV_PATH, DEST_DIR);
+  // Collecter tous les fichiers/dossiers distants
+  const remoteItems = new Set<string>();
+
+  await syncDirectory(client, WEBDAV_PATH, DEST_DIR, remoteItems);
+
+  // Supprimer les fichiers locaux qui n'existent plus sur le NAS
+  await cleanupLocalFiles(DEST_DIR, remoteItems);
 
   console.log("Done!");
 }
 
-async function syncDirectory(client: ReturnType<typeof createClient>, remotePath: string, localPath: string) {
+async function syncDirectory(
+  client: ReturnType<typeof createClient>,
+  remotePath: string,
+  localPath: string,
+  remoteItems: Set<string>
+) {
   await mkdir(localPath, { recursive: true });
+  remoteItems.add(localPath);
 
   const items = (await client.getDirectoryContents(remotePath)) as FileStat[];
 
@@ -46,8 +58,9 @@ async function syncDirectory(client: ReturnType<typeof createClient>, remotePath
 
     if (item.type === "directory") {
       console.log(`  [dir] ${item.basename}/`);
-      await syncDirectory(client, remoteItemPath, localItemPath);
+      await syncDirectory(client, remoteItemPath, localItemPath, remoteItems);
     } else if (item.type === "file" && /\.(jpg|jpeg|png|webp)$/i.test(item.basename)) {
+      remoteItems.add(localItemPath);
       const needsDownload = await shouldDownload(localItemPath, item);
 
       if (needsDownload) {
@@ -81,6 +94,72 @@ async function shouldDownload(localPath: string, remoteItem: FileStat): Promise<
   }
 }
 
+async function cleanupLocalFiles(localDir: string, remoteItems: Set<string>) {
+  const localFiles = await collectLocalFiles(localDir);
+  let deletedCount = 0;
+
+  for (const localFile of localFiles) {
+    if (!remoteItems.has(localFile)) {
+      const relativePath = relative(localDir, localFile);
+      console.log(`  [delete] ${relativePath}`);
+      await rm(localFile, { recursive: true, force: true });
+      deletedCount++;
+    }
+  }
+
+  if (deletedCount > 0) {
+    console.log(`Deleted ${deletedCount} orphaned file(s)/folder(s)`);
+    // Nettoyer les dossiers vides
+    await cleanupEmptyDirs(localDir);
+  }
+}
+
+async function collectLocalFiles(dir: string): Promise<string[]> {
+  const files: string[] = [];
+
+  try {
+    const entries = await readdir(dir, { withFileTypes: true });
+
+    for (const entry of entries) {
+      const fullPath = join(dir, entry.name);
+
+      if (entry.isDirectory()) {
+        files.push(fullPath);
+        const subFiles = await collectLocalFiles(fullPath);
+        files.push(...subFiles);
+      } else if (/\.(jpg|jpeg|png|webp)$/i.test(entry.name)) {
+        files.push(fullPath);
+      }
+    }
+  } catch {
+    // Dossier n'existe pas encore
+  }
+
+  return files;
+}
+
+async function cleanupEmptyDirs(dir: string) {
+  try {
+    const entries = await readdir(dir, { withFileTypes: true });
+
+    for (const entry of entries) {
+      if (entry.isDirectory()) {
+        const subDir = join(dir, entry.name);
+        await cleanupEmptyDirs(subDir);
+
+        // Vérifier si le dossier est vide après nettoyage récursif
+        const subEntries = await readdir(subDir);
+        if (subEntries.length === 0) {
+          console.log(`  [delete] ${relative(DEST_DIR, subDir)}/ (empty)`);
+          await rm(subDir, { recursive: true });
+        }
+      }
+    }
+  } catch {
+    // Ignore errors
+  }
+}
+
 main().catch((err) => {
   console.error("Error:", err.message);
   process.exit(1);