Module: Delorean::Cache

Defined in:
lib/delorean/cache.rb,
lib/delorean/cache/adapters.rb,
lib/delorean/cache/adapters/base.rb,
lib/delorean/cache/adapters/ruby_cache.rb

Defined Under Namespace

Modules: Adapters

Constant Summary collapse

NODE_CACHE_DEFAULT_CALLBACK = 
lambda do |klass:, method:, params:|
  {
    cache: true,
  }
end

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.adapter ⇒ Object

Returns the value of attribute adapter.


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# File 'lib/delorean/cache.rb', line 14

def adapter
  @adapter
end

.node_cache_callback ⇒ Object

Returns the value of attribute node_cache_callback.


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# File 'lib/delorean/cache.rb', line 50

def node_cache_callback
  @node_cache_callback
end

Class Method Details

.with_cache(klass:, method:, mutable_params:, params:) ⇒ Object 


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# File 'lib/delorean/cache.rb', line 16

def with_cache(klass:, method:, mutable_params:, params:)
  delorean_cache_adapter = ::Delorean::Cache.adapter

  klass_name = "#{klass.name}#{::Delorean::POST}"

  cache_options = node_cache_callback.call(
    klass: klass,
    method: method,
    params: mutable_params
  )

  return yield unless cache_options[:cache]

  cache_key = delorean_cache_adapter.cache_key(
    klass: klass_name, method_name: method, args: [params]
  )

  cached_item = delorean_cache_adapter.fetch_item(
    klass: klass_name, cache_key: cache_key, default: :NF
  )

  return cached_item if cached_item != :NF

  res = yield

  delorean_cache_adapter.cache_item(
    klass: klass_name,
    cache_key: cache_key,
    item: res,
  )

  res
end