class Fontist::Utils::Cache

Constants

MAX_FILENAME_SIZE

Public Class Methods

lock_path(path) click to toggle source

# File lib/fontist/utils/cache.rb, line 8
def self.lock_path(path)
  "#{path}.lock"
end

Public Instance Methods

already_fetched?(keys) click to toggle source

# File lib/fontist/utils/cache.rb, line 26
def already_fetched?(keys)
  map = load_cache
  keys.find { |k| cache_exist?(map[k]) }
end

delete(key) click to toggle source

# File lib/fontist/utils/cache.rb, line 31
def delete(key)
  lock(lock_path) do
    map = load_cache
    return unless map[key]

    value = map.delete(key)
    File.write(cache_map_path, YAML.dump(map))
    value
  end
end

fetch(key) { || ... } click to toggle source

# File lib/fontist/utils/cache.rb, line 12
def fetch(key)
  map = load_cache
  if Fontist.use_cache? && cache_exist?(map[key])
    print(map[key])

    return downloaded_file(map[key])
  end

  generated_file = yield
  path = save_cache(generated_file, key)

  downloaded_file(path)
end

set(key, value) click to toggle source

# File lib/fontist/utils/cache.rb, line 42
def set(key, value)
  lock(lock_path) do
    map = load_cache
    map[key] = value
    File.write(cache_map_path, YAML.dump(map))
  end
end