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Contents
# frozen_string_literal: true
require_relative '../metadata/invalid_words_service_results'
module LittleWeasel
module Services
# This class calculates the total amount of bytes cached invalid words take
# up in the given dictionary and returns the results. In addition to this,
# metadata is also compiled to determine how many more bytes of invalid
# word data can be cached before the cache is depleted and shutdown.
class InvalidWordsService
def initialize(dictionary)
self.dictionary = dictionary
self.current_bytesize = 0
end
def execute
return build_return unless max_invalid_words_bytesize?
self.current_bytesize = calculate_current_bytesize
build_return
end
private
attr_accessor :current_bytesize, :dictionary
def calculate_current_bytesize
dictionary.reduce(0) do |bytesize, word_and_found|
unless word_and_found.last
bytesize += word_and_found.first.bytesize
break unless bytesize < max_invalid_words_bytesize
end
bytesize
end
end
def build_return
Metadata::InvalidWordsServiceResults.new(
max_invalid_words_bytesize_on: max_invalid_words_bytesize?,
current_invalid_word_bytesize: current_bytesize,
max_invalid_words_bytesize: max_invalid_words_bytesize
)
end
def max_invalid_words_bytesize
@max_invalid_words_bytesize ||= config.max_invalid_words_bytesize
end
def max_invalid_words_bytesize?
config.max_invalid_words_bytesize?
end
def config
@config ||= LittleWeasel.configuration
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems