Class: AssociateJsonb::WithStoreAttribute::InstanceMethodsOnActivation

Inherits:
Module
  • Object
show all
Defined in:
lib/associate_jsonb/with_store_attribute.rb

Instance Method Summary collapse

Constructor Details

#initialize(mixin, store, attribute, key, is_array) ⇒ InstanceMethodsOnActivation

Returns a new instance of InstanceMethodsOnActivation.



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# File 'lib/associate_jsonb/with_store_attribute.rb', line 118

def initialize(mixin, store, attribute, key, is_array)
  is_array = !!(is_array && attribute.to_s =~ /_ids$/)

  array_or_attr = ->(value) {
    is_array \
      ? %Q(Array(#{value}))        : %Q(#{value})
  }

  on_store_change = "_write_attribute(:#{attribute}, #{array_or_attr.call %Q(#{store}["#{key}"])})"
  on_attr_change = "super(#{array_or_attr.call %Q(given)})"

  if is_array
    mixin.class_eval "      def \#{attribute}\n        _read_attribute(:\#{attribute}) || []\n      end\n    CODE\n  end\n\n  mixin.class_eval <<~CODE, __FILE__, __LINE__ + 1\n    def \#{store}=(given)\n      if given.is_a?(::String)\n        given = ActiveSupport::JSON.decode(given) rescue nil\n      end\n\n      if AssociateJsonb.merge_hash?(self.class.attribute_types[\"\#{store}\"])\n        if !given\n          given = {}\n          \#{store}.keys.each do |k|\n            given[k] = nil\n          end\n        end\n        super(\#{store}.deep_merge(given.deep_stringify_keys))\n\n        self.\#{attribute}= \#{store}[\"\#{key}\"] if \#{store}.key?(\"\#{key}\")\n      else\n        super given || {}\n        self.\#{attribute}= \#{store}[\"\#{key}\"]\n      end\n\n      \#{store}\n    end\n\n    def \#{attribute}=(given)\n      \#{on_attr_change}\n      value = \#{store}[\"\#{key}\"] = \#{attribute}.presence\n      \#{store}.delete(\"\#{key}\") unless !value.nil? || AssociateJsonb.merge_hash?(self.class.attribute_types[\"\#{store}\"])\n      value\n    end\n  CODE\nend\n", __FILE__, __LINE__ + 1