Module: Paysimple::Util

Defined in:
lib/paysimple/util.rb

Class Method Summary collapse

Class Method Details

.camelize(str) ⇒ Object 



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# File 'lib/paysimple/util.rb', line 11

def self.camelize(str)
  str.split('_').collect(&:capitalize).join
end

.camelize_and_symbolize_keys(object) ⇒ Object 



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# File 'lib/paysimple/util.rb', line 15

def self.camelize_and_symbolize_keys(object)
  transform_names object do |key|
    camelize(key.to_s).to_sym
  end
end

.flatten_params(params, parent_key = nil) ⇒ Object 



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

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)
    calculated_key = camelize(calculated_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/paysimple/util.rb', line 63

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

.transform_names(object, &block) ⇒ Object 



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# File 'lib/paysimple/util.rb', line 27

def self.transform_names(object, &block)
  case object
    when Hash
      new_hash = {}
      object.each do |key, value|
        key = block.call(key) || key
        new_hash[key] = transform_names(value, &block)
      end
      new_hash
    when Array
      object.map { |value| transform_names(value, &block) }
    else
      object
  end
end

.underscore(str) ⇒ Object 



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# File 'lib/paysimple/util.rb', line 4

def self.underscore(str)
  str.gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
      gsub(/([a-z\d])([A-Z])/,'\1_\2').
      tr('-', '_').
      downcase
end

.underscore_and_symbolize_names(object) ⇒ Object 



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# File 'lib/paysimple/util.rb', line 21

def self.underscore_and_symbolize_names(object)
  transform_names object do |key|
    underscore(key).to_sym
  end
end

.url_encode(key) ⇒ Object 



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# File 'lib/paysimple/util.rb', line 59

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