Module: Fit4Ruby::FDR_DevField_Extension

Included in:
Lap, Record
Defined in:
lib/fit4ruby/FDR_DevField_Extension.rb

Overview

This module extends FitDataRecord derived classes in case they have developer fields.

Instance Method Summary collapse

Instance Method Details

#create_dev_field_instance_variables ⇒ Object 



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# File 'lib/fit4ruby/FDR_DevField_Extension.rb', line 19

def create_dev_field_instance_variables
  # Create instance variables for developer fields
  @dev_field_descriptions = {}
  @top_level_record.field_descriptions.each do |field_description|
    # Only create instance variables if the FieldDescription is for this
    # message number.
    if field_description.native_mesg_num == @message.number
      name = field_description.full_field_name(@top_level_record.
                                               developer_data_ids)
      create_instance_variable(name)
      @dev_field_descriptions[name] = field_description
    end
  end
end

#each_developer_field ⇒ Object 



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# File 'lib/fit4ruby/FDR_DevField_Extension.rb', line 34

def each_developer_field
  @top_level_record.field_descriptions.each do |field_description|
    # Only create instance variables if the FieldDescription is for this
    # message number.
    if field_description.native_mesg_num == @message.number
      name = field_description.full_field_name(@top_level_record.
                                               developer_data_ids)
      yield(field_description, instance_variable_get('@' + name))
    end
  end
end

#export ⇒ Object 



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# File 'lib/fit4ruby/FDR_DevField_Extension.rb', line 54

def export
  message = super

  each_developer_field do |field_description, ivar|
    field = field_description.message.fields_by_number[
      field_description.native_field_num]
    fit_value = field.native_to_fit(ivar)
    unless field.is_undefined?(fit_value)
      fld = {
        'number' => field_description.native_field_num | 128,
        'value' => field.fit_to_native(fit_value),
        #'human' => field.to_human(fit_value),
        'type' => field.type
      }
      fld['unit'] = field.opts[:unit] if field.opts[:unit]
      fld['scale'] = field.opts[:scale] if field.opts[:scale]

      message['fields'][field.name] = fld
    end
  end

  message
end

#get_unit_by_name(name) ⇒ Object 



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# File 'lib/fit4ruby/FDR_DevField_Extension.rb', line 46

def get_unit_by_name(name)
  if /[A-Za-z_]+_[A-F0-9]{16}/ =~ name
    @dev_field_descriptions[name].units
  else
    super
  end
end