Module: ActiveMatrix::Cacheable

Extended by:
ActiveSupport::Concern
Included in:
Room, User
Defined in:
lib/active_matrix/cacheable.rb

Overview

Provides caching functionality for Matrix objects Handles serialization/deserialization to work with Rails.cache

Instance Method Summary collapse

Instance Method Details

#cache_attributes ⇒ Object

Override in each class to specify what to cache



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# File 'lib/active_matrix/cacheable.rb', line 45

def cache_attributes
  if respond_to?(:attributes)
    attributes
  elsif respond_to?(:to_h)
    to_h
  else
    {}
  end
end

#cache_id ⇒ Object

Override in each class if ID method is different



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# File 'lib/active_matrix/cacheable.rb', line 62

def cache_id
  respond_to?(:id) ? id : object_id
end

#cache_key(*suffixes) ⇒ Object

Generate a cache key for this object



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# File 'lib/active_matrix/cacheable.rb', line 56

def cache_key(*suffixes)
  base_key = "#{self.class.name.underscore}:#{cache_id}"
  suffixes.any? ? "#{base_key}:#{suffixes.join(':')}" : base_key
end

#from_cache? ⇒ Boolean

Check if this object was loaded from cache

Returns:

  • (Boolean) 


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# File 'lib/active_matrix/cacheable.rb', line 67

def from_cache?
  @cached_at.present?
end

#to_cache ⇒ Object

Convert object to cacheable hash



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# File 'lib/active_matrix/cacheable.rb', line 34

def to_cache
  data = cache_attributes.merge(
    _cache_class: self.class.name,
    _cached_at: Time.current
  )

  # Ensure we only cache serializable data
  data.deep_stringify_keys
end