Class: SmartCollection::CacheManager::CacheStore

Inherits:
SmartCollection::CacheManager show all
Defined in:
lib/smart_collection/cache_manager/cache_store.rb

Instance Method Summary collapse

Methods inherited from SmartCollection::CacheManager

determine_class, #expires_in

Constructor Details

#initialize(model:, config:) ⇒ CacheStore

Returns a new instance of CacheStore.



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# File 'lib/smart_collection/cache_manager/cache_store.rb', line 5

def initialize model:, config:
  super

  @cache_key_proc = @config.cache_config[:cache_key_proc] || -> (owner) { "_smart_collection_#{owner.class.name}_#{owner.id}" }
end

Instance Method Details

#cache_exists?(owner) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/smart_collection/cache_manager/cache_store.rb', line 36

def cache_exists? owner
  owner.cache_expires_at && owner.cache_expires_at > Time.now && cache_store.exist?(cache_key owner)
end

#cache_key(owner) ⇒ Object 



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# File 'lib/smart_collection/cache_manager/cache_store.rb', line 15

def cache_key owner
  @cache_key_proc.(owner)
end

#cache_store ⇒ Object 



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# File 'lib/smart_collection/cache_manager/cache_store.rb', line 11

def cache_store
  @config.cache_config[:cache_store]
end

#read_multi(owners) ⇒ Object 



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# File 'lib/smart_collection/cache_manager/cache_store.rb', line 28

def read_multi owners
  cache_keys = owners.map{|owner| cache_key owner}
  loaded = cache_store.read_multi(*cache_keys)
  owners.map.with_index do |owner, index|
    [owner, Marshal.load(loaded[cache_keys[index]])]
  end.to_h
end

#read_scope(owner) ⇒ Object 



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# File 'lib/smart_collection/cache_manager/cache_store.rb', line 24

def read_scope owner
  @config.item_class.where(id: Marshal.load(cache_store.read(cache_key owner)))
end

#update(owner) ⇒ Object 



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# File 'lib/smart_collection/cache_manager/cache_store.rb', line 19

def update owner
  cache_store.write(cache_key(owner), Marshal.dump(owner.smart_collection_mixin.uncached_scope(owner).pluck(:id)))
  owner.update(cache_expires_at: Time.now + expires_in)
end