jbox-web/redmine_git_hosting

# frozen_string_literal: true

class DownloadGitRevisionController < ApplicationController
  include XitoliteRepositoryFinder

  before_action :find_xitolite_repository
  before_action :can_download_git_revision
  before_action :set_download
  before_action :validate_download

  helper :git_hosting

  def index
    send_data @download.content, filename: @download.filename, type: @download.content_type
  rescue StandardError => e
    flash.now[:error] = l :git_archive_timeout, timeout: e.output
    render_404
  end

  private

  def find_repository_param
    params[:id]
  end

  def can_download_git_revision
    render_403 unless User.current.allowed_to_download? @repository
  end

  def set_download
    @download = Repositories::DownloadRevision.new @repository, download_revision, download_format
  end

  def download_revision
    @download_revision ||= (params[:rev] || 'master')
  end

  def download_format
    @download_format ||= (params[:download_format] || 'tar')
  end

  def validate_download
    return if @download.valid_commit?

    flash.now[:error] = l :error_download_revision_no_such_commit, commit: download_revision
    render_404
  end
end