Module: Magpie::Goose::ClassMethods

Defined in:
lib/magpie/goose.rb

Instance Method Summary collapse

Instance Method Details

#goose_validate(*ms, &p) ⇒ Object

用户定义验证规则

goose_validate :be_number, :not_blank
goose_validate do |item|
  item.errors[:name] << "名字的长度不能超过4" if item.name.length > 4
end

param [Array, Proc], 将验证规则添加到@validations中



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# File 'lib/magpie/goose.rb', line 24

def goose_validate(*ms, &p)
  @validations ||= []
  unless ms.to_s.length == 0
    ms.each { |m| @validations << m.to_s unless @validations.member?(m.to_s)}
  end
  @validations << p unless p.to_s.length == 0
end

#goose_validate_format_of(*attrs) ⇒ Object 



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# File 'lib/magpie/goose.rb', line 44

def goose_validate_format_of(*attrs)
  attrs, options = parse_options(attrs)
  attrs.each do |attr|
    goose_validate { |am|
      am.errors[attr] << (options[:msg] || "格式错误") unless am.send(attr) =~ options[:with] or (options[:allow_blank] and  am.send(attr).blank?)
    }
  end

end

#goose_validate_length_of(*attrs) ⇒ Object 



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# File 'lib/magpie/goose.rb', line 54

def goose_validate_length_of(*attrs)
  attrs, options = parse_options attrs
  min_length = options[:min_length] || 0
  max_length = options[:max_length]
  attrs.each do |attr|
    goose_validate { |am|
      attr_length = am.send(attr).to_s.length
      am.errors[attr] << (options[:msg] || "长度错误") unless max_length.blank? or (attr_length >= min_length and attr_length <= max_length) or (options[:allow_blank] and am.send(attr).blank?)
    }
  end
end

#goose_validate_presence_of(*attrs) ⇒ Object 



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# File 'lib/magpie/goose.rb', line 36

def goose_validate_presence_of(*attrs)
  attrs.each { |attr|
    goose_validate do |am|
      am.errors[attr] << "can't be blank" if am.send(attr).blank?
    end
  }
end

#parse_options(attrs) ⇒ Object 



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# File 'lib/magpie/goose.rb', line 66

def parse_options(attrs)
  options = attrs.select{ |attr| attr.is_a? Hash}
  return attrs - options, options.first
end

#validations ⇒ Object 



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# File 'lib/magpie/goose.rb', line 32

def validations
  (@validations ||=[]).dup
end