Reboot Day 2

interface.rb

# USER STORIES
# - List the items
# - Add an item
# - Import item (from Etsy)
# - Mark an item as bought/done
# - Unmark an item
# - Delete an item

# show menu
# - Initialize a list of items
# (=> ARRAY of HASHES)
# - iterate one by one => each_with_index
# - display/show on the screen
# - show the index + 1
# - show the name of item
# - check if done or not
# (=> if conditional / ternary operator)

# - prompt user if they want add item
# - get users choice (item)
# - false by default
# - push it to LIST

# Marking/Unmarking
# list items
# ask user to pick one item
# get user choice
# convert input to index
# validate if index exists
# "flip"/toggling done
# => done = !done

# ask user which item to delete
# gets user answer
# convert input to index
# validate if index exists
# (find_item_by_index)
# delete item from list => delete_at(index)

# ask user what item (name)
# go to etsy and fetch items (scraping)
# display results to user
# user pick an item from results
# add choice to list
require_relative 'scrapper.rb'

LIST = [
  {
    name: "coffee",
    done: true
  },
  {
    name: "bananas",
    done: false
  },
  {
    name: "orange juice",
    done: true
  }
]
# 2 - [X] ruby book

def menu
  puts "(A) List items"
  puts "(B) Add item"
  puts "(C) Mark/Unmark item"
  puts "(D) Delete item"
  puts "(E) Import item"
  puts "(Q) Quit"
  puts "Please choose an option [A-E]:"
  print "> "
end

def list_items
  LIST.each_with_index do |item, index|
    # if item[:done]
    #   puts "#{index + 1} - [X] #{item[:name]}"
    # else
    #   puts "#{index + 1} - [ ] #{item[:name]}"
    # end
    puts "#{index + 1} - [#{item[:done] ? 'X' : ' '}] #{item[:name]}"
  end
  puts "\n\n"
  puts "*** Please press any key to continue ***"
  gets.chomp
end

def add_item
  puts "Please name item to add:"
  name = gets.chomp
  LIST << {
    name: name,
    done: false
  }
end

def import_item
  puts "What item do you want to search for?"
  query = gets.chomp
  items = fetch_items_from_etsy(query)

  items.each_with_index do |item, index|
    puts "#{index + 1} - #{item}"
  end

  puts "What item do you want to import?"
  index = gets.chomp.to_i - 1
  LIST << {
      name: items[index],
      done: false
    }
end

def toggle_item
  puts "Which item do you want to toggle? (1-#{LIST.length})"

  # validates that user picks existing index
  index = get_index

  item = LIST[index]
  item[:done] = !item[:done]
end

def delete_item
  puts "Which item do you want to delete? (1-#{LIST.length})"
  index = get_index
  LIST.delete_at(index)
end

def get_index
  index = gets.chomp.to_i - 1

  until index.between?(0, LIST.length - 1)
    puts "Please pick a valid option (1-#{LIST.length}):"
    index = gets.chomp.to_i - 1
  end

  index
end

def find_item_by_name(name)
  # select return a new array
  results = LIST.select do |item|
    item[:name.downcase] == name.downcase
  end
  result.first # result is an array
  # result.first same as result[0]
end

loop do
  menu
  choice = gets.chomp.upcase
  case choice
  when "A"
    list_items
  when "B"
    add_item
  when "C"
    list_items
    toggle_item
  when "D"
    list_items
    delete_item
  when "E"
    import_item
  when "Q"
    break
  else
    puts "Please pick a valid option (A-E)!"
  end
end
puts "Goodbye!"

scrapper.rb

require 'open-uri'
require 'nokogiri'
require 'pry-byebug'

def fetch_items_from_etsy(query)
  query.gsub!(" ", "+")
  url = "https://www.etsy.com/search?q=#{query}"

  html_file = open(url).read
  html_doc = Nokogiri::HTML(html_file)

  items = []
  html_doc.search('.display-inline-block.listing-link').each do |element|
    items << element['title'].split(/[[:punct:]]/).first.strip
  end

  items.uniq.take(6)
end