class Lasagna

Constants

DEFAULT_OPTIONS

Public Class Methods

parse(json, options = {}) click to toggle source

Parses jsonapi into a flat readable ruby hash object

Arguments:

json: (Hash) parsed jsonapi string
options: (Hash) (optional) parsing params

# File lib/lasagna.rb, line 13
def parse(json, options = {})
  if json.nil? || json['data'].nil?
    return {}
  end

  options = DEFAULT_OPTIONS.merge options
  inclusion = parse_inclusion(json, options)
  parsed = []

  json['data'].each do |item|
    row = {}
    if options[:include_ids]
      row['id'] = item['id']
    end

    if options[:include_types]
      row['type'] = item['type']
    end

    row = row.merge item['attributes']
    unless item['relationships'].nil?
      item['relationships'].each do |key, r|
        next if r['data'].nil?
        type = r['data']['type']
        id = r['data']['id']
        row[key] = inclusion[type] && inclusion[type][id]
      end
    end
    parsed.push row
  end
  parsed
end

Private Class Methods

parse_inclusion(json, options) click to toggle source

# File lib/lasagna.rb, line 48
def parse_inclusion(json, options)
  inclusion = {}
  included = json['included'] || []
  included.each do |include|
    key = include['type']
    inclusion[key] = {} if inclusion[key].nil?
    inc = {}

    if options[:include_ids]
      inc['id'] = include['id']
    end
    if options[:include_types]
      inc['type'] = include['type']
    end

    inclusion[key][include['id']] = inc.merge include['attributes']
  end
  inclusion
end