Class: JSONAPIonify::Api::ContextDelegate

Inherits:
Object
  • Object
show all
Defined in:
lib/jsonapionify/api/context_delegate.rb

Defined Under Namespace

Classes: Mock

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(request, resource_instance, definitions, **overrides) ⇒ ContextDelegate

Returns a new instance of ContextDelegate.



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# File 'lib/jsonapionify/api/context_delegate.rb', line 17

def initialize(request, resource_instance, definitions, **overrides)
  @memo              = {}
  @request           = request
  @persisted_memo    = {}
  @definitions       = definitions
  @overrides         = overrides
  @resource_instance = resource_instance
  delegate           = self

  %i{initialize_dup initialize_clone}.each do |method|
    define_singleton_method method do |copy|
      @memo.each do |k, v|
        copy.public_send "#{k}=", v
      end
    end
  end

  definitions.each do |name, context|
    raise Errors::ReservedContextName if respond_to? name
    define_singleton_method name do
      return @overrides[name] if @overrides.has_key? name
      return @persisted_memo[name] if @persisted_memo.has_key? name
      return @memo[name] if @memo.has_key? name
      write_memo = (context.persisted? ? @persisted_memo : @memo)
      write_memo[name] = context.call(@resource_instance, delegate)
    end

    define_singleton_method "#{name}=" do |value|
      @persisted_memo[name] = value
    end unless context.readonly?
  end
  freeze
end

Instance Attribute Details

#request ⇒ Object (readonly)

Returns the value of attribute request.



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# File 'lib/jsonapionify/api/context_delegate.rb', line 15

def request
  @request
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/jsonapionify/api/context_delegate.rb', line 55

def clear
  @memo.clear
end

#inspect ⇒ Object 



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# File 'lib/jsonapionify/api/context_delegate.rb', line 59

def inspect
  to_s.chomp('>') << " memoed: #{@memo.keys.inspect}, persisted: #{@persisted_memo.keys.inspect}, overridden: #{@overrides.keys}" << '>'
end

#reset(key) ⇒ Object 



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# File 'lib/jsonapionify/api/context_delegate.rb', line 51

def reset key
  @memo.delete(key)
end