Module: Druthers::Support::ClassMethods

Defined in:
lib/druthers/support.rb

Instance Method Summary collapse

Instance Method Details

#druthers_cache ⇒ Object

This can be overridden by the consumer



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# File 'lib/druthers/support.rb', line 17

def druthers_cache
  @druthers_cache ||= ActiveSupport::Cache::MemoryStore.new(expires_in: 10.minutes)
end

#get_druther(key) ⇒ Object

Directly access the setting with the given key name. Note that overriding this method shouldn’t be done directly. Use one of the event methods instead.



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# File 'lib/druthers/support.rb', line 24

def get_druther(key)
  druthers_cache.fetch(key) do
    val = where(key: key).pluck(:value).to_a
    val.present? ? val.first : send_druthers_event(:default, key)
  end
end

#send_druthers_event(event_name, key) ⇒ Object 



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# File 'lib/druthers/support.rb', line 48

def send_druthers_event(event_name, key)
  sym = "#{event_name}_#{key}".to_sym
  send(sym) if respond_to?(sym)
end

#set_druther(key, value) ⇒ Object 



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# File 'lib/druthers/support.rb', line 31

def set_druther(key, value)
  obj = where(key: key).first_or_initialize
  if obj.respond_to? :update!
    # Rails 4.x:
    obj.update!(value: value)
  else
    # Rails 3.x:
    obj.update_attributes!(value: value)
  end
  # Only update the cache if the update! succeeded:
  # Note that we cached the obj.value, rather than the value, to make sure
  # returned values are consistent with the serializer's result.
  # See https://github.com/mceachen/druthers/pull/2
  druthers_cache.write(key, obj.value)
  obj
end