Add ListObjectsInBucket function to S3 client

The ListObjectsInBucket function allows listing all objects in an S3 bucket. This function retrieves the list of objects using the ListObjectsV2 API and returns an array of file names.

s3/s3.go

@@ -538,6 +538,29 @@ func (s ClientWithHelpers) DeleteObjectFromBucket(bucket string, fileName string
 	return nil
 }
 
+// ListObjectsInBucket - List all objects in an S3 bucket
+func (s ClientWithHelpers) ListObjectsInBucket(bucket string) ([]string, error) {
+	if s.S3Client == nil {
+		return nil, ErrorS3ClientNotEstablished
+	}
+
+	// list all the files in the bucket
+	listObjectsInput := &s3.ListObjectsV2Input{
+		Bucket: aws.String(bucket),
+	}
+	listObjectsOutput, err := s.S3Client.ListObjectsV2(context.TODO(), listObjectsInput)
+	if err != nil {
+		return nil, err
+	}
+
+	var fileNames []string
+	for _, object := range listObjectsOutput.Contents {
+		fileNames = append(fileNames, *object.Key)
+	}
+
+	return fileNames, nil
+}
+
 func GetS3FileKey(fileName string, folder string) string {
 	var fileKey string