Module: Paid::Util

Defined in:
lib/paid/util.rb

Class Method Summary collapse

Class Method Details

.convert_to_paid_object(resp, api_key) ⇒ Object 



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# File 'lib/paid/util.rb', line 31

def self.convert_to_paid_object(resp, api_key)
  case resp
  when Array
    resp.map { |i| convert_to_paid_object(i, api_key) }
  when Hash
    # Try converting to a known object class.  If none available, fall back to generic PaidObject
    object_classes.fetch(resp[:object], PaidObject).construct_from(resp, api_key)
  else
    resp
  end
end

.file_readable(file) ⇒ Object 



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# File 'lib/paid/util.rb', line 43

def self.file_readable(file)
  # This is nominally equivalent to File.readable?, but that can
  # report incorrect results on some more oddball filesystems
  # (such as AFS)
  begin
    File.open(file) { |f| }
  rescue
    false
  else
    true
  end
end

.flatten_params(params, parent_key = nil) ⇒ Object 



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# File 'lib/paid/util.rb', line 76

def self.flatten_params(params, parent_key=nil)
  result = []
  params.each do |key, value|
    calculated_key = parent_key ? "#{parent_key}[#{url_encode(key)}]" : url_encode(key)
    if value.is_a?(Hash)
      result += flatten_params(value, calculated_key)
    elsif value.is_a?(Array)
      result += flatten_params_array(value, calculated_key)
    else
      result << [calculated_key, value]
    end
  end
  result
end

.flatten_params_array(value, calculated_key) ⇒ Object 



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# File 'lib/paid/util.rb', line 91

def self.flatten_params_array(value, calculated_key)
  result = []
  value.each do |elem|
    if elem.is_a?(Hash)
      result += flatten_params(elem, calculated_key)
    elsif elem.is_a?(Array)
      result += flatten_params_array(elem, calculated_key)
    else
      result << ["#{calculated_key}[]", elem]
    end
  end
  result
end

.object_classes ⇒ Object 



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# File 'lib/paid/util.rb', line 18

def self.object_classes
  @object_classes ||= {
    # data structures
    'list' => ListObject,

    # business objects
    'transaction' => Transaction,
    'customer' => Customer,
    'event' => Event,
    'invoice' => Invoice
  }
end

.objects_to_ids(h) ⇒ Object 



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# File 'lib/paid/util.rb', line 3

def self.objects_to_ids(h)
  case h
  when APIResource
    h.id
  when Hash
    res = {}
    h.each { |k, v| res[k] = objects_to_ids(v) unless v.nil? }
    res
  when Array
    h.map { |v| objects_to_ids(v) }
  else
    h
  end
end

.parse_opts(opts) ⇒ Object

The secondary opts argument can either be a string or hash Turn this value into an api_key and a set of headers



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# File 'lib/paid/util.rb', line 107

def self.parse_opts(opts)
  case opts
  when NilClass
    return nil, {}
  when String
    return opts, {}
  when Hash
    headers = {}
    if opts[:idempotency_key]
      headers[:idempotency_key] = opts[:idempotency_key]
    end
    if opts[:paid_account]
      headers[:paid_account] = opts[:paid_account]
    end
    return opts[:api_key], headers
  else
    raise TypeError.new("parse_opts expects a string or a hash")
  end
end

.symbolize_names(object) ⇒ Object 



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# File 'lib/paid/util.rb', line 56

def self.symbolize_names(object)
  case object
  when Hash
    new_hash = {}
    object.each do |key, value|
      key = (key.to_sym rescue key) || key
      new_hash[key] = symbolize_names(value)
    end
    new_hash
  when Array
    object.map { |value| symbolize_names(value) }
  else
    object
  end
end

.url_encode(key) ⇒ Object 



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# File 'lib/paid/util.rb', line 72

def self.url_encode(key)
  URI.escape(key.to_s, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]"))
end