Class: TypedEAV::Field::Json

Inherits:
Base show all
Defined in:
app/models/typed_eav/field/json.rb

Constant Summary

Constants inherited from Base

Base::RESERVED_NAMES

Constants included from ColumnMapping

ColumnMapping::DEFAULT_OPERATORS_BY_COLUMN, ColumnMapping::FALLBACK_OPERATORS

Instance Method Summary collapse

Methods inherited from Base

#allowed_option_values, #array_field?, #clear_option_cache!, #default_value, #default_value=, #field_type_name, #optionable?, #validate_typed_value

Instance Method Details

#cast(raw) ⇒ Object

Parse JSON strings into objects/arrays. The JSON input partial posts a string from a textarea; without parsing it would land as a JSON- encoded string in json_value instead of the intended object.



12
13
14
15
16
17
18
19
20
21
22
23
 
# File 'app/models/typed_eav/field/json.rb', line 12

def cast(raw)
  return [nil, false] if raw.nil?
  return [raw, false] if raw.is_a?(Hash) || raw.is_a?(Array) ||
                         raw.is_a?(Numeric) || raw == true || raw == false

  str = raw.to_s
  return [nil, false] if str.strip.empty?

  [::JSON.parse(str), false]
rescue ::JSON::ParserError
  [nil, true]
end