Prohlížeč zdrojového kódu

class SourceController < ApplicationController
  before_action :load_tree
  # Force HTML format regardless of the URL's file extension. Without this, Rails infers
  # the format from the path segment (e.g. "application.js" → :js) and skips the layout.
  # Combining defaults: { format: "html" } on the route with trailing_slash: true is not
  # possible — the defaults option suppresses trailing slash generation in path helpers.
  before_action { request.format = :html }

  def show
    @path = params[:path]
    return if @path.nil?

    unless SourceBrowser.file?(@path)
      raise ActionController::RoutingError, "Not Found"
    end

    if SourceBrowser.binary?(@path)
      send_file SourceBrowser.full_path(@path), disposition: :attachment
    else
      @content = SourceBrowser.read(@path)
      @language = SourceBrowser.language_for(@path)
    end
  rescue SourceBrowser::NotAllowed
    raise ActionController::RoutingError, "Not Found"
  end

  private

  def load_tree
    @tree = SourceBrowser.tree
  end
end