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

# Controller for viewing a file's blame
class Projects::BlobController < Projects::ApplicationController
  include ExtractsPath

  # Authorize
  before_filter :authorize_read_project!
  before_filter :authorize_code_access!
  before_filter :require_non_empty_project

  before_filter :blob

  def show
  end

  def destroy
    result = Files::DeleteContext.new(@project, current_user, params, @ref, @path).execute

    if result[:status] == :success
      flash[:notice] = "Your changes have been successfully commited"
      redirect_to project_tree_path(@project, @ref)
    else
      flash[:alert] = result[:error]
      render :show
    end
  end

  private

  def blob
    @blob ||= @repository.blob_at(@commit.id, @path)

    return not_found! unless @blob

    @blob
  end
end