add copy folder method

Author: bishosilwal

lib/imagekitio/client.rb

@@ -136,6 +136,10 @@ def delete_folder(folder_path)
       @file.delete_folder(folder_path)
     end
 
+    def copy_folder(source_folder_path, destination_path)
+      @file.copy_folder(source_folder_path, destination_path)
+    end
+
     def phash_distance(first, second)
       # Get hamming distance between two phash(image hash) to check
       # similarity between images

lib/imagekitio/constants/url.rb

@@ -7,6 +7,7 @@ module URL
       BULK_FILE_DELETE = "/batch/deleteByFileIds"
       UPLOAD = "/upload"
       REMOTE_METADATA_FULL_URL = "https://api.imagekit.io/v1/metadata"
+      BULK_BASE_URL = 'https://api.imagekit.io/v1/bulkJobs'
     end
   end
 end

lib/imagekitio/file.rb

@@ -187,6 +187,15 @@ def delete_folder(folder_path)
       @req_obj.request('delete', url, @req_obj.create_headers, payload)
     end
 
+    def copy_folder(source_folder_path, destination_path)
+      if source_folder_path == '' || source_folder_path.nil? || destination_path == '' || destination_path.nil?
+        raise ArgumentError, 'parameters required'
+      end
+      url = "#{constants.BULK_BASE_URL}/copyFolder"
+      payload = { 'sourceFolderPath': source_folder_path, 'destinationPath': destination_path }
+      @req_obj.request('post', url, @req_obj.create_headers, payload)
+    end
+
     def validate_upload_options(options)
 
       #  Validates upload value, checks if params are valid,