gitlab-org--gitlab-foss/app/controllers/projects/network_controller.rb

class Projects::NetworkController < Projects::ApplicationController
  include ExtractsPath
  include ApplicationHelper

  before_action :require_non_empty_project
  before_action :assign_ref_vars
  before_action :authorize_download_code!

  def show
    @url = namespace_project_network_path(@project.namespace, @project, @ref, @options.merge(format: :json))
    @commit_url = namespace_project_commit_path(@project.namespace, @project, 'ae45ca32').gsub("ae45ca32", "%s")
    @commit = @repo.commit(params[:extended_sha1]) if params[:extended_sha1].present?

    respond_to do |format|
      format.html do
        if params[:extended_sha1].present? && !@commit
          flash.now[:alert] = "Git revision '#{params[:extended_sha1]}' does not exist."
        end
      end

      format.json do
        @graph = Network::Graph.new(project, @ref, @commit, @options[:filter_ref])
      end
    end
  end
end