Class: ViewModel::ActiveRecord::AbstractCollectionUpdate::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/view_model/active_record/update_data.rb

Instance Method Summary collapse

Constructor Details

#initialize(association_data, blame_reference, valid_reference_keys) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/view_model/active_record/update_data.rb', line 111

def initialize(association_data, blame_reference, valid_reference_keys)
  @association_data     = association_data
  @blame_reference      = blame_reference
  @valid_reference_keys = valid_reference_keys
end

Instance Method Details

#parse(value) ⇒ Object 



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# File 'lib/view_model/active_record/update_data.rb', line 117

def parse(value)
  case value
  when Array
    replace_update_type.new(parse_contents(value))

  when Hash
    ViewModel::Schemas.verify_schema!(functional_update_schema, value)
    functional_updates = value[ACTIONS_ATTRIBUTE].map { |action| parse_action(action) }
    functional_update_type.new(functional_updates)

  else
    raise ViewModel::DeserializationError::InvalidSyntax.new(
            "Could not parse non-array value for collection association '#{association_data}'",
            blame_reference)
  end
end