Class: Bodhi::Support

Inherits:
Object
  • Object
show all
Defined in:
lib/bodhi-slam/support.rb

Class Method Summary collapse

Class Method Details

.camelize(string) ⇒ Object 



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# File 'lib/bodhi-slam/support.rb', line 14

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

.coerce(value, options) ⇒ Object 



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# File 'lib/bodhi-slam/support.rb', line 31

def self.coerce(value, options)
  # nothing to coerce if the value is nil
  return value if value.nil?

  options = symbolize_keys(options)
  case options[:type].to_s
  when "String"
    if options[:multi] == true
      value.map(&:to_s)
    else
      value.to_s
    end
  when "Real"
    if options[:multi] == true
      value.map(&:to_f)
    else
      value.to_f
    end
  when "Integer"
    if options[:multi] == true
      value.map(&:to_i)
    else
      value.to_i
    end
  when "DateTime"
    if options[:multi] == true
      value.map{|item| Time.parse(item.to_s) }
    else
      Time.parse(value.to_s)
    end
  else
    if Object.const_defined?(options[:type].to_s) && Object.const_get(options[:type].to_s).ancestors.include?(Bodhi::Properties)
      klass = Object.const_get(options[:type].to_s)
      if options[:multi] == true
        value.map do |item|
          if item.respond_to?(:attributes)
            klass.new(item.attributes)
          else
            klass.new(item)
          end
        end
      else
        if value.respond_to?(:attributes)
          klass.new(value.attributes)
        else
          klass.new(value)
        end
      end
    else
      value
    end
  end
end

.reverse_camelize(string) ⇒ Object 



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# File 'lib/bodhi-slam/support.rb', line 18

def self.reverse_camelize(string)
  result = underscore(string).split('_').collect(&:capitalize).join
  uncapitalize(result)
end

.symbolize_keys(hash) ⇒ Object 



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# File 'lib/bodhi-slam/support.rb', line 23

def self.symbolize_keys(hash)
  hash.reduce({}) do |memo, (k, v)|
    value = v.is_a?(Hash) ? symbolize_keys(v) : v
    value = value.is_a?(Array) && value.first.is_a?(Hash) ? value.map{|item| symbolize_keys(item) } : value
    memo.merge({ k.to_sym => value })
  end
end

.uncapitalize(string) ⇒ Object 



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# File 'lib/bodhi-slam/support.rb', line 10

def self.uncapitalize(string)
  string[0, 1].downcase + string[1..-1]
end

.underscore(string) ⇒ Object 



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# File 'lib/bodhi-slam/support.rb', line 3

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