mkdev

test2.rb

require_relative 'movie_coll.rb'

def compare (obj, hash_val)
	hash_val = hash_val.to_a
	param1   = obj.send(hash_val[0])
	param2   = hash_val[1]
	p1       = param1.class
	p2       = param2.class
	
	if    (p1 == Array)&&(p2 == Array)
		return !(param1 & param2).empty?
	
	elsif (p1 == String)&&(p2 == Array)
		return param2.include?(param1)
	
	elsif (p1 == Array)&&(p2 == String)
		return param1.include?(param2)

	elsif (p1 == String)&&(p2 == String)
		return param1 == param2

	elsif (p1 == Integer)&&(p2 == Range)
		return param2.member?(param1)
	
	elsif (p1 == Integer)&&(p2 == Integer)
		return param1 == param2
	else
		return false
	end

end

def filter(**filters)
	filters.each_key{|key| 
		raise "<filter> wrong parameter #{key.inspect}" unless @mas[0].respond_to?(key)}
	
	buff = @mas.select {|movie| 
		filters.inject(true){|bool, hash_val| bool & compare(movie, hash_val)}}
	
	return "no matches" if buff.empty?
	buff
end

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


puts filter(genre: "Drama", duration: 120..200, country: ["France", "Italy"])
     .map{|u| "#{u.title} #{u.genre} #{u.duration} min(s) #{u.country}"}