MKDEV

test.rb

require_relative 'movie_coll.rb'

def filter(unit, mas)
	unit = unit.to_a.map do |u| 
		if u[1].is_a? Array 
			[u[0], u[1].sort] 
		else
			u 
		end
	end

	raise "<filter> error" unless unit.map{|u| mas[0].respond_to?(u[0])}.reduce(true,:&)

	buff = mas.select do |m|
		unit.inject(true) do |bool, u| 
			
			if    u[1].is_a? Array
				c = [m.send(u[0])]
				bool & !( c & u[1]).empty?
			
			elsif u[1].is_a? String
				bool & m.send(u[0]).include?(u[1]) 
			
			elsif u[1].is_a? Integer
				bool & (m.send(u[0]) == u[1])

			elsif u[1].is_a? Range
				bool & (m.send(u[0]) === u[1])

			
			else
				false
			end
		end

	end

	return buff unless buff.empty?
	"no matches"
end

mas = MovieCollection.new("movies_v2.txt")

puts filter({country: "France"}, mas.all).map{|u| "#{u.title} #{u.genre} #{u.country}" }
puts ["Brasil"] & ["Italy", "USA"]