engine/lib/locomotive/import/job.rb

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require 'zip/zipfilesystem'
module Locomotive
module Import
class Job
include Logger
def initialize(zipfile, site, options = {})
@site = site
@options = {
:reset => false,
:samples => false,
:enabled => {}
}.merge(options)
@identifier = self.store_zipfile(zipfile)
raise "Theme identifier not found" if @identifier.blank?
@uploader = nil # fix issue with Ruby 1.9.2 and serialization
end
def before(worker)
@worker = worker
end
def perform
self.log "theme identifier #{@identifier}"
self.unzip!
raise "No database.yml found in the theme zipfile" if @database.nil?
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context = {
:database => @database,
:site => @site,
:theme_path => @theme_path,
:error => nil,
:worker => @worker
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}
self.reset! if @options[:reset]
%w(site content_types assets asset_collections snippets pages).each do |step|
if @options[:enabled][step] != false
"Locomotive::Import::#{step.camelize}".constantize.process(context, @options)
@worker.update_attributes :step => step if @worker
else
self.log "skipping #{step}"
end
end
end
def success(worker)
self.log 'deleting original zip file'
uploader = self.get_uploader(@site)
uploader.retrieve_from_store!(@identifier)
uploader.remove!
self.log 'deleting working folder'
FileUtils.rm_rf(themes_folder) rescue nil
end
def self.run!(zipfile, site, options = {})
job = self.new(zipfile, site, options)
if Locomotive.config.delayed_job
Delayed::Job.enqueue job, { :site => site, :job_type => 'import' }
else
job.perform
end
end
protected
def themes_folder
File.join(Rails.root, 'tmp', 'themes', @site.id.to_s)
end
def prepare_folder
FileUtils.rm_rf self.themes_folder if File.exists?(self.themes_folder)
FileUtils.mkdir_p(self.themes_folder)
end
def store_zipfile(zipfile)
return nil if zipfile.blank?
file = CarrierWave::SanitizedFile.new(zipfile)
uploader = self.get_uploader(@site)
begin
uploader.store!(file)
uploader.identifier
rescue CarrierWave::IntegrityError
nil
end
end
def retrieve_zipfile
uploader = self.get_uploader(@site)
uploader.retrieve_from_store!(@identifier)
if uploader.file.respond_to?(:url)
self.log 'file from remote storage'
@theme_file = File.join(self.themes_folder, @identifier)
File.open(@theme_file, 'w') { |f| f.write(uploader.file.read) }
else # local filesystem
self.log 'file from local storage'
@theme_file = uploader.path
end
end
def unzip!
self.prepare_folder
self.retrieve_zipfile
self.log "unzip #{@theme_file}"
Zip::ZipFile.open(@theme_file) do |zipfile|
destination_path = self.themes_folder
zipfile.each do |entry|
next if entry.name =~ /__MACOSX/
if entry.name =~ /database.yml$/
@database = YAML.load(zipfile.read(entry.name))
@theme_path = File.join(destination_path, entry.name.gsub('database.yml', ''))
next
end
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FileUtils.mkdir_p(File.dirname(File.join(destination_path, entry.name)))
zipfile.extract(entry, File.join(destination_path, entry.name))
end
end
end
def reset!
@site.pages.destroy_all
@site.theme_assets.destroy_all
@site.content_types.destroy_all
@site.asset_collections.destroy_all
end
def get_uploader(site)
unless Locomotive.config.delayed_job
ThemeUploader.storage = :file
end
@uploader ||= ThemeUploader.new(site)
end
end
end
end