70 lines
1.8 KiB
Ruby
70 lines
1.8 KiB
Ruby
module ActiveSupport
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module Cache
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class FileStore < Store
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attr_reader :cache_path
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def initialize(cache_path)
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@cache_path = cache_path
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end
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def read(name, options = nil)
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super
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File.open(real_file_path(name), 'rb') { |f| f.read } rescue nil
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end
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def write(name, value, options = nil)
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super
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ensure_cache_path(File.dirname(real_file_path(name)))
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File.open(real_file_path(name), "wb+") { |f| f.write(value) }
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rescue => e
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RAILS_DEFAULT_LOGGER.error "Couldn't create cache directory: #{name} (#{e.message})" if RAILS_DEFAULT_LOGGER
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end
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def delete(name, options = nil)
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super
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File.delete(real_file_path(name))
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rescue SystemCallError => e
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# If there's no cache, then there's nothing to complain about
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end
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def delete_matched(matcher, options = nil)
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super
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search_dir(@cache_path) do |f|
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if f =~ matcher
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begin
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File.delete(f)
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rescue SystemCallError => e
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# If there's no cache, then there's nothing to complain about
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end
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end
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end
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end
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def exist?(name, options = nil)
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super
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File.exist?(real_file_path(name))
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end
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private
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def real_file_path(name)
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'%s/%s.cache' % [@cache_path, name.gsub('?', '.').gsub(':', '.')]
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end
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def ensure_cache_path(path)
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FileUtils.makedirs(path) unless File.exist?(path)
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end
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def search_dir(dir, &callback)
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Dir.foreach(dir) do |d|
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next if d == "." || d == ".."
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name = File.join(dir, d)
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if File.directory?(name)
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search_dir(name, &callback)
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else
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callback.call name
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end
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end
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end
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end
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end
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end |