gistfile1.rb

=begin

elsif answer == 'r'

add to sentence persistance 

/ ask store to retrieve sentence given its name
/ give nice error message if we don't know about the sentence
/ display sentence in some format to user

=end


class SentenceStore

    def save_sentence(sentence)
        File.open(file_name(sentence.name()), "w+") do |file|
            file.write(sentence.content())
            return true
        end
    end

    def find_sentence(name)
        chosen_file = file_name(name)

        if File.exist?(chosen_file)
            file_object = File.open(chosen_file, "r")
            file_contents = file_object.read()
            file_object.close()
            return Sentence.new(name,file_contents)
        else
            return nil
        end

    end

    def display_all
        all_sentences = []
        all_text_files = Dir.glob(".txt")
        all_text_files.each do |file_name|
            name = file_name.gsub(".txt", "")
            all_sentences.push(find_by_name(name))
        end
        return all_sentences
    end

    private
    def file_name(name)
        return "#{name}.txt"
    end
end

class Sentence
    attr_reader("name", "content")
    # @param String 
    # @param String
    def initialize(name,content)
        @name = name
        @content = content
    end
end

class SentenceUi

    def initialize(sentence_store, io)
        @store = sentence_store
        @io = io
    end

    def main_menu

        @io.puts ("Welcome to Sentence Store v1")
        @io.puts ("Do you want to (l) list all sentences or (s) store a sentence or (r) retrieve a sentence?:")

        answer = gets().chomp().downcase()
        if answer == "s"
            puts  "Name of sentence"
            sentence_name = gets().chomp()

            puts "Give me your sentence"
            sentence_content = gets().chomp()

            sentence = Sentence.new(sentence_name, sentence_content)

            @store.save_sentence(sentence)

            puts "Sentence #{sentence.name()} has been stored!"

        elsif answer == "l"


        elsif answer == "r"
            puts "What sentence would you like to retrieve?"
            sentence_name = gets().chomp()
            sentence_or_nil = @store.find_sentence(sentence_name)
            if sentence_or_nil.is_a?(Sentence)
                puts "Your sentence is: #{sentence_or_nil.content()}."
            else
                puts "Sentence was not found."
            end
        else
            puts "I have no idea about to how #{answer} a sentence!"
        end  

    end

end


def main(io)
    sentence_ui = SentenceUi.new(
        SentenceStore.new(),
        io
    )
    loop do
        sentence_ui.main_menu()
    end
end


main(STDOUT)