Class: Fontist::Utils::Cache
- Inherits:
-
Object
- Object
- Fontist::Utils::Cache
- Includes:
- Locking
- Defined in:
- lib/fontist/utils/cache.rb
Constant Summary collapse
- MAX_FILENAME_SIZE =
255
Class Method Summary collapse
Instance Method Summary collapse
- #already_fetched?(keys) ⇒ Boolean
- #delete(key) ⇒ Object
- #fetch(key) ⇒ Object
- #set(key, value) ⇒ Object
Methods included from Locking
Class Method Details
.lock_path(path) ⇒ Object
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# File 'lib/fontist/utils/cache.rb', line 8 def self.lock_path(path) "#{path}.lock" end |
Instance Method Details
#already_fetched?(keys) ⇒ Boolean
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# 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) ⇒ Object
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# 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) ⇒ Object
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# 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) ⇒ Object
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# 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 |