Class: AliasField

Inherits:
Field
  • Object
show all
Defined in:
lib/yodel/models/core/fields/alias_field.rb

Constant Summary

Constants inherited from Field

Field::TYPES

Instance Attribute Summary

Attributes inherited from Field

#name, #options

Instance Method Summary collapse

Methods inherited from Field

#display?, field_from_type, from_options, #include_in_search_keywords?, #index?, #inherited?, #initialize, #method_missing, #numeric?, #required?, #searchable?, #to_json, #to_str, #unique?

Constructor Details

This class inherits a constructor from Field

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Field

Instance Method Details

#default_input_type ⇒ Object 



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# File 'lib/yodel/models/core/fields/alias_field.rb', line 9

def default_input_type
  nil
end

#from_json(value, record) ⇒ Object 



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# File 'lib/yodel/models/core/fields/alias_field.rb', line 27

def from_json(value, record)
  nil
end

#strip_nil? ⇒ Boolean

FIXME: assignments don’t work; alias = val won’t be saved FIXME: changes to the original value aren’t observed; original = val_1, alias => val_1; original = val_2; alias => val_1

Returns:

  • (Boolean) 


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# File 'lib/yodel/models/core/fields/alias_field.rb', line 5

def strip_nil?
  true
end

#typecast(value, record) ⇒ Object

Raises:



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# File 'lib/yodel/models/core/fields/alias_field.rb', line 17

def typecast(value, record)
  field_name = @options['of'].to_s
  raise InvalidField, "Alias fields must have a from property" if field_name.blank?
  record.get(field_name)
end

#untypecast(value, record) ⇒ Object 



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# File 'lib/yodel/models/core/fields/alias_field.rb', line 23

def untypecast(value, record)
  nil
end

#validate(record, errors) ⇒ Object 



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# File 'lib/yodel/models/core/fields/alias_field.rb', line 13

def validate(record, errors)
  # noop
end