lib/ffaker/avatar.rb
# frozen_string_literal: true module FFaker module Avatar extend ModuleUtils extend self SUPPORTED_FORMATS = %w[png jpg bmp].freeze def image(slug = nil, size = '300x300', format = 'png', bgset = nil) check_passed_params(size, format, bgset) slug ||= FFaker::Lorem.words.join "https://robohash.org/#{slug}.#{format}?size=#{size}#{'&bgset=bg' + bgset.to_s if bgset}" end private def check_passed_params(size, format, bgset) invalid_size_error unless size =~ /^[0-9]+x[0-9]+$/ invalid_format_error unless SUPPORTED_FORMATS.include?(format) invalid_background_number unless bgset.nil? || (1..2).cover?(bgset.to_i) end def invalid_size_error raise ArgumentError, 'Size should be specified in format 300x300' end def invalid_format_error raise ArgumentError, "Supported formats are #{SUPPORTED_FORMATS.join(', ')}" end def invalid_background_number raise ArgumentError, 'Not a supported background number. Choose eather 1 or 2' end end end