module Files class BaseService < ::BaseService class ValidationError < StandardError; end def execute @source_project = params[:source_project] || @project @source_branch = params[:source_branch] @target_branch = params[:target_branch] @commit_message = params[:commit_message] @file_path = params[:file_path] @previous_path = params[:previous_path] @file_content = if params[:file_content_encoding] == 'base64' Base64.decode64(params[:file_content]) else params[:file_content] end @last_commit_sha = params[:last_commit_sha] # Validate parameters validate # Create new branch if it different from source_branch if different_branch? create_target_branch end if commit success else error('Something went wrong. Your changes were not committed') end rescue Repository::CommitError, Gitlab::Git::Repository::InvalidBlobName, GitHooksService::PreReceiveError, ValidationError => ex error(ex.message) end private def different_branch? @source_branch != @target_branch || @source_project != @project end def raise_error(message) raise ValidationError.new(message) end def validate allowed = ::Gitlab::UserAccess.new(current_user, project: project).can_push_to_branch?(@target_branch) unless allowed raise_error("You are not allowed to push into this branch") end unless project.empty_repo? unless @source_project.repository.branch_names.include?(@source_branch) raise_error('You can only create or edit files when you are on a branch') end if different_branch? if repository.branch_names.include?(@target_branch) raise_error('Branch with such name already exists. You need to switch to this branch in order to make changes') end end end end def create_target_branch result = CreateBranchService.new(project, current_user).execute(@target_branch, @source_branch, source_project: @source_project) unless result[:status] == :success raise_error("Something went wrong when we tried to create #{@target_branch} for you: #{result[:message]}") end end end end