Module: HashMapAttributes::ClassMethods

Defined in:
lib/hash_map_attributes.rb

Instance Method Summary collapse

Instance Method Details

#_hash_map_attributes ⇒ Object 



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# File 'lib/hash_map_attributes.rb', line 61

def _hash_map_attributes
  @_hash_map_attributes ||= []
end

#hash_map_attributes(*attributes, to:, prefix: nil, allow_nil: nil) ⇒ Object 



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# File 'lib/hash_map_attributes.rb', line 25

def hash_map_attributes(*attributes, to:, prefix: nil, allow_nil: nil)
  _hash_map_attributes
  attributes.each do |attribute|
    @_hash_map_attributes << AttributeContainer.new(attribute, to, prefix, allow_nil)
  end
  class_eval do
    _hash_map_attributes.each do |container|
      _attribute = container.attribute
      _to = container.to
      method_name = container.method_name
      define_method method_name do
        send(_to).to_hash.stringify_keys![_attribute]
      end

      define_method "#{method_name}=" do |v|
        send(_to).to_hash.stringify_keys![_attribute] = v
      end
    end
  end
end

#where_hash(**options) ⇒ Object 



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# File 'lib/hash_map_attributes.rb', line 46

def where_hash(**options)
  arr = []
  class_name = model_name.plural
  options.each_pair do |k, v|
    container = _hash_map_attributes.find { |a| a.method_name == k.to_s }
    to = container.to.to_s
    _attribute = container.attribute.to_s
    next if to.nil?

    arr << "#{class_name}.#{to}->>'#{_attribute}' = '#{v}'"
  end
  sql = arr.join(' and ')
  where(sql)
end