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# File 'lib/odca/overlay.rb', line 5
def self.extended(overlay)
overlay_class_name = overlay.name.split('::').last
overlay.class_eval do
attr_reader :attributes
def _initialize
@attributes = []
end
alias_method :initialize, :_initialize
def empty?
attributes.empty?
end
def add_attribute(attr)
return if attr.nil? || attr.value.nil?
attributes << attr
end
def attr_values
attributes.each_with_object({}) do |attr, memo|
memo[attr.attr_name] = attr.value
end
end
overlay.const_set(
overlay_class_name.gsub('Overlay', '') << 'Attribute',
Class.new do
attr_reader :attr_name, :value
def initialize(attr_name:, value:)
@attr_name = attr_name
@value = value
end
end
)
overlay.const_set(
'InputValidator',
Class.new do
attr_reader :attr_name, :value
def initialize(attr_name:, value:)
if attr_name.strip.empty?
raise 'Attribute name is expected to be non empty String'
end
@attr_name = attr_name
@value = value
end
define_method :call do
{
attr_name: attr_name.strip,
value: validate(value)
}
end
def validate(input_value)
if input_value.nil? || input_value.strip.empty?
Odca::NullValue.new
else
input_value.strip
end
end
end
)
end
end
|