Class: Representable::Populator

Inherits:
Object
  • Object
show all
Defined in:
lib/representable/populator.rb

Overview

skip_parse? –> return deserialize (this is where additional logic can happen, e.g. Object-HAL’s collection semantics). parse_filter set

Direct Known Subclasses

Collection, Hash

Defined Under Namespace

Classes: Collection, Hash

Instance Method Summary collapse

Constructor Details

#initialize(binding) ⇒ Populator

rename to Deserializer?



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# File 'lib/representable/populator.rb', line 9

def initialize(binding)
  @binding = binding
end

Instance Method Details

#call(fragment, doc) ⇒ Object

goal of this is to have this workflow apply-able to collections AND to items per collection, or for items in hashes.



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# File 'lib/representable/populator.rb', line 14

def call(fragment, doc)
  # the rest should be applied per item (collection) or per fragment (collection and property)
  if fragment == Binding::FragmentNotFound
    return unless @binding.has_default?
    value = @binding[:default]
  else
    # DISCUSS: should we return a Skip object instead of this block trick? (same in Binding#serialize?)
    value = deserialize(fragment) { return } # stop here if skip_parse?
  end

  value = @binding.parse_filter(value, doc)
    # parse_filter
    # set
  @binding.set(value)
end