Module: NCore::Attributes::ClassMethods

Defined in:
lib/ncore/attributes.rb

Instance Method Summary collapse

Instance Method Details

#attr(*attrs) ⇒ Object

attr(:name, …)

adds: obj.name  => raw json type
      obj.name? => bool



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# File 'lib/ncore/attributes.rb', line 14

def attr(*attrs)
  attrs.each do |attr|
    check_existing_method(attr)
    class_eval "      def \#{attr}\n        self[:\#{attr}]\n      end\n\n      def \#{attr}?\n        !! self[:\#{attr}]\n      end\n    AR\n  end\nend\n", __FILE__, __LINE__+1

#attr_datetime(*attrs) ⇒ Object

attr_datetime(:updated_at, …)

adds: obj.updated_at  => Time, or raw json type if not parseable
      obj.updated_at? => bool



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# File 'lib/ncore/attributes.rb', line 32

def attr_datetime(*attrs)
  attrs.each do |attr|
    check_existing_method(attr)
    class_eval "      def \#{attr}\n        case self[:\#{attr}]\n        when String\n          Time.parse(self[:\#{attr}]).utc\n        when Numeric\n          Time.at(self[:\#{attr}]).utc\n        else\n          self[:\#{attr}]\n        end\n      rescue ArgumentError, TypeError\n        self[:\#{attr}]\n      end\n\n      def \#{attr}?\n        !! self[:\#{attr}]\n      end\n    AD\n  end\nend\n", __FILE__, __LINE__+1

#attr_decimal(*attrs) ⇒ Object

attr_decimal(:amount, …)

adds: obj.amount  => BigMoney if String, else raw json type
      obj.amount? => bool



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# File 'lib/ncore/attributes.rb', line 59

def attr_decimal(*attrs)
  attrs.each do |attr|
    check_existing_method(attr)
    class_eval "      def \#{attr}\n        case self[:\#{attr}]\n        when String\n          BigMoney.new(self[:\#{attr}])\n        else\n          self[:\#{attr}]\n        end\n      end\n\n      def \#{attr}?\n        !! self[:\#{attr}]\n      end\n    AD\n  end\nend\n", __FILE__, __LINE__+1

#check_existing_method(attr) ⇒ Object 



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# File 'lib/ncore/attributes.rb', line 79

def check_existing_method(attr)
  if method_defined?(attr) || private_method_defined?(attr)
    sc = self
    sc = sc.superclass while sc.superclass != Object
    warn "Warning: Existing method #{sc.name}##{attr} being overwritten at #{caller[3]}"
  end
end

#parse_request_params(params = {}, opts = {}) ⇒ Object 



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# File 'lib/ncore/attributes.rb', line 87

def parse_request_params(params={}, opts={})
  params = params.with_indifferent_access
  req = params.delete(:request)
  hdr = params.delete(:headers)
  creds = params.delete(:credentials)
  cache = params.delete(:cache)
  if opts[:json_root]
    if params.key?(opts[:json_root])
      o = params
    else
      o = {opts[:json_root] => params}.with_indifferent_access
    end
  else
    o = params
  end
  o[:request] = req if req
  o[:headers] = hdr if hdr
  o[:credentials] = creds if creds
  o[:cache] = cache if cache
  o
end