pasosdeJesus/msip

# frozen_string_literal: true

require "shellwords"

module Msip
  module Concerns
    module Controllers
      module Respaldo7zController
        extend ActiveSupport::Concern

        included do
          include ActionView::Helpers::AssetUrlHelper

          def new
            @respaldo7z = Respaldo7z.new
            respond_to do |format|
              format.html { render(:new, layout: "application") }
            end
          end

          def create
            @respaldo7z = Respaldo7z.new(respaldo7z_params)
            respond_to do |format|
              if @respaldo7z.valid?
                Rake::Task["msip:vuelca"].reenable
                Rake::Task["msip:vuelca"].invoke
                archcopia = Msip::TareasrakeHelper.nombre_volcado(Msip.ruta_volcados)
                Rails.logger.debug { "archcopia=#{archcopia}" }
                # desturl = File.join( Msip.dir_respaldo7z, "#{archcopia}.7z")
                # dest = File.join( Rails.root, 'public', desturl)
                # Quitamos el .sql final de archcopia
                dest = "#{archcopia[0..-5]}.7z"
                FileUtils.rm_f(dest)
                tamanexos = %x(du -s #{Msip.ruta_anexos}).to_i
                Rails.logger.debug do
                  "Tamaño de #{archcopia} es "\
                    "#{File.size(Pathname.new(archcopia))}"
                end
                Rails.logger.debug { "Tamaño de anexos #{Msip.ruta_anexos} es #{tamanexos}" }
                lpi = []
                if ENV["DOAS_7Z"].to_i == 1
                  lpi = ["doas"]
                end
                if tamanexos > 10000000
                  Rails.logger.debug("Creando copia solo de base de datos")
                  cmd = Shellwords.join(lpi + [
                    "7z",
                    "a",
                    "-r",
                    "-p#{@respaldo7z.clave7z}",
                    dest,
                    archcopia,
                  ])
                else
                  Rails.logger.debug("Creando copia de base y anexos")
                  cmd = Shellwords.join(lpi + [
                    "7z",
                    "a",
                    "-r",
                    "-p#{@respaldo7z.clave7z}",
                    dest,
                    archcopia,
                    Msip.ruta_anexos,
                  ])
                end
                Rails.logger.debug { "cmd=#{cmd}" }
                cmd2 = "sh -c 'ulimit -c unlimited; whoami; #{cmd}'"
                Rails.logger.debug { "cmd2=#{cmd2}" }
                r = %x(#{cmd2})
                if $CHILD_STATUS.exitstatus == 0
                  format.html do
                    send_file(
                      dest,
                      type: "application/x-7z-compressed",
                      disposition: "inline",
                    )
                  end
                else
                  format.html do
                    flash.now[:error] = "Problemas generando con #{cmd}: #{r}"
                    render(:new, layout: "application")
                  end
                end
                # format.html { redirect_to main_app.root_path,
                #   notice: "Respaldo creado, descarguelo de "\
                #     "<a href='#{desturl}'>desturl</a>" }
              else
                format.html { render(:new, layout: "application") }
              end
            end
          end

          def respaldo7z_params
            params.require(:respaldo7z).permit(:clave7z, :clave7z_confirmation)
          end
        end
      end
    end # included
  end
end