discourse/lib/directory_helper.rb

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module DirectoryHelper
def tmp_directory(prefix)
directory_cache[prefix] ||= begin
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f = File.join(Rails.root, 'tmp', Time.now.strftime("#{prefix}%Y%m%d%H%M%S"))
FileUtils.mkdir_p(f) unless Dir[f].present?
f
end
end
def remove_tmp_directory(prefix)
tmp_directory_name = directory_cache[prefix] || ''
directory_cache.delete(prefix)
FileUtils.rm_rf(tmp_directory_name) if Dir[tmp_directory_name].present?
end
private
def directory_cache
@directory_cache ||= {}
end
end