Using FilterMatcher example

people_matcher.rb

class PeopleMatcher
  include FilterMatcher

  attr_reader :db

  def initialize(db, input)
    @db, @input = db, input
  end

  def match
    @input.each do |input|
      collection = @db

      filter_and_match collection, {
        :by_name => input[:name],
        :by_age  => input[:age],
        :by_homepage => input[:homepage]
      }
    end
  end

  private

  def name_filter(collection, name)
    collection.select { |element| element[:name] == name }
  end

  def age_filter(collection, age)
    collection.select { |element| element[:age] == age}
  end

  def homepage_filter(collection, homepage)
    collection.select { |element| element[:homepage] == homepage }
  end

  def element_matched(element)
    element[:matched] = true
  end
end