Class: HalClient::Form::Field

Inherits:
Object
  • Object
show all
Defined in:
lib/hal_client/form/field.rb

Overview

A single field in a form.

Current implementation is very basic. It only understands ‘hidden` and `string` field types. All other field types are treated as `string` per the spec.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parsed_json) ⇒ Field

Initializes a new field.

parsed_json - the parsed JSON of the field



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# File 'lib/hal_client/form/field.rb', line 13

def initialize(parsed_json)
  @aliases = extract_aliases(parsed_json)
  @value = extract_value(parsed_json)
  @type = extract_type(parsed_json)
  @path = extract_path(parsed_json)
end

Instance Attribute Details

#path ⇒ Object (readonly)

Returns the path to which this field should be encoded in JSON documents, if any.



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# File 'lib/hal_client/form/field.rb', line 21

def path
  @path
end

Instance Method Details

#extract_answer(answers) ⇒ Object 



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# File 'lib/hal_client/form/field.rb', line 23

def extract_answer(answers)
  return value if :hidden == type

  key = aliases.find{|maybe_key| answers.has_key?(maybe_key) }

  coerce_value(answers.fetch(key, value))
end