파일 삭제 기능 추가, undo / redo 기능에 적용

src/main/ipc/files.js

@@ -1,4 +1,4 @@
-const { ipcMain } = require('electron');
+const { ipcMain, app } = require('electron');
 const path = require('path');
 const fs = require('fs');
 const crypto = require('crypto');
@@ -73,6 +73,59 @@ function register() {
     return { moved, errors };
   });
 
+  // 삭제 → 스테이징 폴더로 이동 (undo 가능)
+  ipcMain.handle('stage-delete-files', async (_event, filePaths) => {
+    const batchDir = path.join(app.getPath('userData'), 'deleted_staging', Date.now().toString());
+    fs.mkdirSync(batchDir, { recursive: true });
+
+    const staged = [];
+    const errors = [];
+    for (const fp of filePaths) {
+      const name = path.basename(fp);
+      const dest = path.join(batchDir, name);
+      try {
+        fs.renameSync(fp, dest);
+        staged.push({ name, originalPath: fp, stagingPath: dest });
+      } catch (e) {
+        if (e.code === 'EXDEV') {
+          try {
+            fs.copyFileSync(fp, dest);
+            fs.unlinkSync(fp);
+            staged.push({ name, originalPath: fp, stagingPath: dest });
+          } catch (e2) { errors.push(`${name}: ${e2.message}`); }
+        } else { errors.push(`${name}: ${e.message}`); }
+      }
+    }
+    if (!staged.length) try { fs.rmdirSync(batchDir); } catch {}
+    return { staged, errors };
+  });
+
+  // 스테이징 파일 원래 위치로 복원 (undo delete)
+  ipcMain.handle('restore-staged-files', async (_event, deletedEntries) => {
+    const restored = [];
+    const errors   = [];
+    for (const { name, originalPath, stagingPath } of deletedEntries) {
+      if (fs.existsSync(originalPath)) {
+        errors.push(`${name}: 같은 이름의 파일이 이미 존재합니다`);
+        continue;
+      }
+      try {
+        fs.mkdirSync(path.dirname(originalPath), { recursive: true });
+        fs.renameSync(stagingPath, originalPath);
+        restored.push(originalPath);
+      } catch (e) {
+        if (e.code === 'EXDEV') {
+          try {
+            fs.copyFileSync(stagingPath, originalPath);
+            fs.unlinkSync(stagingPath);
+            restored.push(originalPath);
+          } catch (e2) { errors.push(`${name}: ${e2.message}`); }
+        } else { errors.push(`${name}: ${e.message}`); }
+      }
+    }
+    return { restored, errors };
+  });
+
   ipcMain.handle('rename-files', async (_event, { folderPath, files, prefix, digits }) => {
     const errors = [];
     const pad = (n) => String(n + 1).padStart(digits, '0');