Class: Textus::Lanes::Artifact::Cache

Inherits:
Object
  • Object
show all
Defined in:
lib/textus/lanes/artifact/cache.rb

Instance Method Summary collapse

Constructor Details

#initialize(store, ttl_default: 3600 * 24 * 30) ⇒ Cache

Returns a new instance of Cache.



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# File 'lib/textus/lanes/artifact/cache.rb', line 5

def initialize(store, ttl_default: 3600 * 24 * 30)
  @store = store
  @ttl_default = ttl_default
end

Instance Method Details

#expire(key) ⇒ Object 



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# File 'lib/textus/lanes/artifact/cache.rb', line 29

def expire(key)
  @store.put(key:, meta: { "stale" => true })
end

#stale?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/textus/lanes/artifact/cache.rb', line 17

def stale?(key)
  entry = @store.get(key:)
  return true unless entry
  return true if entry["stale"] || entry["fetching"]

  generated_at = entry["generated_at"]
  return true unless generated_at

  age = Time.now - Time.parse(generated_at)
  age > ttl(key)
end

#ttl(key) ⇒ Object 



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# File 'lib/textus/lanes/artifact/cache.rb', line 10

def ttl(key)
  entry = @store.get(key:)
  return @ttl_default unless entry

  entry["ttl"] || @ttl_default
end