Module: DynamicFieldsets::FieldWithMultipleAnswers::InstanceMethods

Defined in:
lib/dynamic_fieldsets/field_with_multiple_answers.rb

Instance Method Summary collapse

Instance Method Details

#defaults ⇒ Array 



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# File 'lib/dynamic_fieldsets/field_with_multiple_answers.rb', line 83

def defaults
  return self.field_defaults if options?
  return nil
end

#get_values_using_fsa_and_fsc(fsa, fsc) ⇒ Array

Gets the first field record matching the parameters



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# File 'lib/dynamic_fieldsets/field_with_multiple_answers.rb', line 55

def get_values_using_fsa_and_fsc(fsa, fsc)
  collect_field_records_by_fsa_and_fsc(fsa, fsc)
end

#show_partial ⇒ String 



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# File 'lib/dynamic_fieldsets/field_with_multiple_answers.rb', line 60

def show_partial
  "/dynamic_fieldsets/show_partials/show_multiple_answers"
end

#show_partial_locals(args) ⇒ Object 



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# File 'lib/dynamic_fieldsets/field_with_multiple_answers.rb', line 15

def show_partial_locals(args)
  output = super(args)
  output[:values] = args[:values].collect { |value| get_value_for_show(value) }
  return output
end

#update_field_records(fsa, fieldset_child, values) ⇒ Object

Updates the field records for the field based on the given values

Manages multiple records



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# File 'lib/dynamic_fieldsets/field_with_multiple_answers.rb', line 28

def update_field_records(fsa, fieldset_child, values)
  # make sure values is an array in case the input from the form is bad
  throw "Form value type mismatch error: The value from the form must be Array for #{self.inspect}." unless values.is_a?(Array)
  
  # create new records if the values are not in the db
  values.each do |value|
    if fieldset_child.field_records.select{ |record| record.value == value }.empty?
      DynamicFieldsets::FieldRecord.create!( :fieldset_associator_id => fsa.id,
        :fieldset_child_id => fieldset_child.id,
        :value => value)
    end
  end

  # remove records in the db that are not in the input values
  # note that if a record is updated, it is treated as a creation and deletion instead of a single update
  fieldset_child.field_records.each do |record|
    if !values.include?(record.value)
      record.destroy
    end
  end
end

#values_or_defaults_for_form(values) ⇒ Array

Returns a list of values for the form

Only returns the :value part of the input



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# File 'lib/dynamic_fieldsets/field_with_multiple_answers.rb', line 70

def values_or_defaults_for_form(values)
  if values.nil? || values.empty?
    if field_defaults.length == 0
      return []
    else
      return collect_default_values
    end
  else
    return values.collect { |v| v[:value] }
  end  
end