Class: CSVConverter::Converters::HashConverter

Inherits:

BaseConverter

• Object
• BaseConverter
• CSVConverter::Converters::HashConverter

Defined in:

lib/csv_converter/converters/hash_converter.rb

Overview

Converts a string with key pair values into ruby hashes

Instance Attribute Summary

Attributes inherited from BaseConverter

#options, #raw_data

Instance Method Summary

• #call ⇒ Hash

  Converts data into a hash by splitting the string on the item_separator to get the items and then by spliting the items on key_value_separator to get the key/value.

• #call! ⇒ Hash

  Converts data into a hash by splitting the string on the item_separator to get the items and then by spliting the items on key_value_separator to get the key/value.

• #initialize(raw_data, options = {}) ⇒ HashConverter constructor

  A new instance of HashConverter.

Methods inherited from BaseConverter

#data, #empty_value?

Constructor Details

#initialize(raw_data, options = {}) ⇒ HashConverter

A new instance of HashConverter.

Parameters:

• raw_data (String) —

  the raw data of the attribute being processed.

• options (Hash) (defaults to: {}) —

  the options for the converter provided in the mappings. Additionally, contains the details of the data being processed. See BaseConverter#option. The item_separator key is required. If item_separator is nil then an error is raised. The key_value_separator key is required. If key_value_separator is nil then an error is raised.

# File 'lib/csv_converter/converters/hash_converter.rb', line 13

def initialize(raw_data, options = {})
  super(raw_data, options)

  validate_options
end

Instance Method Details

#call ⇒ Hash

Converts data into a hash by splitting the string on the item_separator to get the items and then by spliting the items on key_value_separator to get the key/value.

Returns:

• (Hash) —

  if an error occurs during conversion an empty hash is returned.

# File 'lib/csv_converter/converters/hash_converter.rb', line 22

def call
  call!
rescue CSVConverter::Error
  nullable_object
end

#call! ⇒ Hash

Converts data into a hash by splitting the string on the item_separator to get the items and then by spliting the items on key_value_separator to get the key/value.

Returns:

• (Hash) —

  if an error occurs during conversion an error is raised.

# File 'lib/csv_converter/converters/hash_converter.rb', line 31

def call!
  data.split(options[:item_separator]).map do |items|
    items.split(options[:key_value_separator]).map(&:strip)
  end.to_h
rescue StandardError => e
  raise CSVConverter::Error.new(e.message, options)
end