1 files changed, 41 insertions, 0 deletions
diff --git a/app/services/snippets/base_service.rb b/app/services/snippets/base_service.rb
index 2b450db0b83..81d12997335 100644
--- a/app/services/snippets/base_service.rb
+++ b/app/services/snippets/base_service.rb
@@ -2,8 +2,32 @@
 
 module Snippets
   class BaseService < ::BaseService
+    include SpamCheckMethods
+
+    CreateRepositoryError = Class.new(StandardError)
+
+    attr_reader :uploaded_files
+
+    def initialize(project, user = nil, params = {})
+      super
+
+      @uploaded_files = Array(@params.delete(:files).presence)
+
+      filter_spam_check_params
+    end
+
     private
 
+    def visibility_allowed?(snippet, visibility_level)
+      Gitlab::VisibilityLevel.allowed_for?(current_user, visibility_level)
+    end
+
+    def error_forbidden_visibility(snippet)
+      deny_visibility_level(snippet)
+
+      snippet_error_response(snippet, 403)
+    end
+
     def snippet_error_response(snippet, http_status)
       ServiceResponse.error(
         message: snippet.errors.full_messages.to_sentence,
@@ -11,5 +35,22 @@ module Snippets
         payload: { snippet: snippet }
       )
     end
+
+    def add_snippet_repository_error(snippet:, error:)
+      message = repository_error_message(error)
+
+      snippet.errors.add(:repository, message)
+    end
+
+    def repository_error_message(error)
+      message = self.is_a?(Snippets::CreateService) ? _("Error creating the snippet") : _("Error updating the snippet")
+
+      # We only want to include additional error detail in the message
+      # if the error is not a CommitError because we cannot guarantee the message
+      # will be user-friendly
+      message += " - #{error.message}" unless error.instance_of?(SnippetRepository::CommitError)
+
+      message
+    end
   end
 end