add checkFileExists method in file storage service (#12229)

packages/twenty-server/src/engine/core-modules/file-storage/drivers/interfaces/storage-driver.interface.ts

@@ -21,4 +21,8 @@ export interface StorageDriver {
     from: { folderPath: string; filename?: string };
     to: { folderPath: string; filename?: string };
   }): Promise<void>;
+  checkFileExists(params: {
+    folderPath: string;
+    filename: string;
+  }): Promise<boolean>;
 }

packages/twenty-server/src/engine/core-modules/file-storage/drivers/local.driver.ts

@@ -3,11 +3,11 @@ import * as fs from 'fs/promises';
 import { dirname, join } from 'path';
 import { Readable } from 'stream';
 
+import { StorageDriver } from 'src/engine/core-modules/file-storage/drivers/interfaces/storage-driver.interface';
 import {
   FileStorageException,
   FileStorageExceptionCode,
 } from 'src/engine/core-modules/file-storage/interfaces/file-storage-exception';
-import { StorageDriver } from 'src/engine/core-modules/file-storage/drivers/interfaces/storage-driver.interface';
 
 export interface LocalDriverOptions {
   storagePath: string;
@@ -162,4 +162,17 @@ export class LocalDriver implements StorageDriver {
   }): Promise<void> {
     await this.copy(params, true);
   }
+
+  async checkFileExists(params: {
+    folderPath: string;
+    filename: string;
+  }): Promise<boolean> {
+    const filePath = join(
+      this.options.storagePath,
+      params.folderPath,
+      params.filename,
+    );
+
+    return existsSync(filePath);
+  }
 }

packages/twenty-server/src/engine/core-modules/file-storage/drivers/s3.driver.ts

@@ -395,4 +395,26 @@ export class S3Driver implements StorageDriver {
 
     return this.s3Client.createBucket(args);
   }
+
+  async checkFileExists(params: {
+    folderPath: string;
+    filename: string;
+  }): Promise<boolean> {
+    try {
+      await this.s3Client.send(
+        new HeadObjectCommand({
+          Bucket: this.bucketName,
+          Key: `${params.folderPath}/${params.filename}`,
+        }),
+      );
+    } catch (error) {
+      if (error instanceof NotFound) {
+        return false;
+      }
+
+      throw error;
+    }
+
+    return true;
+  }
 }

packages/twenty-server/src/engine/core-modules/file-storage/file-storage.service.ts

@@ -47,4 +47,11 @@ export class FileStorageService implements StorageDriver {
   }): Promise<void> {
     return this.driver.download(params);
   }
+
+  checkFileExists(params: {
+    folderPath: string;
+    filename: string;
+  }): Promise<boolean> {
+    return this.driver.checkFileExists(params);
+  }
 }