Source Browser

class SourceController < ApplicationController
  def index
    @path = params[:path] || ""
    @entries = SourceBrowser.list(@path)
    @breadcrumbs = build_breadcrumbs(@path)
  end

  def show
    @path = params[:path]

    if SourceBrowser.file?(@path)
      @content = SourceBrowser.read(@path)
      @language = SourceBrowser.language_for(@path)
      @breadcrumbs = build_breadcrumbs(@path)
    else
      @entries = SourceBrowser.list(@path)
      if @entries.empty?
        raise ActionController::RoutingError, "Not Found"
      end
      @breadcrumbs = build_breadcrumbs(@path)
      render :index
    end
  rescue SourceBrowser::NotAllowed
    raise ActionController::RoutingError, "Not Found"
  end

  private

  def build_breadcrumbs(path)
    return [] if path.blank?

    parts = path.split("/")
    parts.each_with_index.map do |part, i|
      {
        name: part,
        path: parts[0..i].join("/"),
        last: i == parts.length - 1
      }
    end
  end
end