Class: CodingChallenge::Commands::Start

Inherits:
CodingChallenge::Command show all
Includes:
Animation
Defined in:
lib/coding_challenge/commands/start.rb

Constant Summary collapse

@@BASE_NAVIGATION_STATES = 
%w[HOME_MENU SET_INVENTORY_FILE INIT_QUERY VIEW_QUERIES EXITED]
@@DEFAULT_PRODUCTS_LIST_URL = 
'https://gist.githubusercontent.com/michaelporter/b2743e0cdad0664fa9517c0a6b82cdda/raw/67e4606007391f678c9330ee3a77a9024fce4e64/products.json'

Instance Method Summary collapse

Methods included from Animation

#intro_loading_bars_animation, #intro_title_animation, #loading_animation, #type_effect

Methods inherited from CodingChallenge::Command

#command, #cursor, #editor, #exec_exist?, #generator, #pager, #platform, #prompt, #screen, #which

Constructor Details

#initialize(options) ⇒ Start

Returns a new instance of Start.



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# File 'lib/coding_challenge/commands/start.rb', line 22

def initialize(options)
  @options = options
  @inventory = nil
  @base_navigation_state_index = 0
  @prev_base_navigation_state_index = nil
  @queries = []
end

Instance Method Details

#execute(input: $stdin, output: $stdout) ⇒ Object 



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# File 'lib/coding_challenge/commands/start.rb', line 30

def execute(input: $stdin, output: $stdout)
  cli_args = ARGV.slice(1, ARGV.length).reject { |arg| arg.slice(0, 2) == '--' }

  perform_intro_animation if @options['skip_intro_animation'].nil?

  if cli_args.empty?
    loading_animation('Loading menu...', 1)
  else
    loading_animation('Calculating results...', 2)

    new_inventory = Inventory.new

    begin
      new_inventory.load_products_list_from_default
      @inventory = new_inventory
      new_query = Query.new(cli_args)
      query_with_results = @inventory.handle_query(new_query)

      puts 'Results:'.colorize(:yellow)
      puts query_with_results.results

      @queries.push(query_with_results.formatted_results)
    rescue StandardError => e
      puts "#{e.class.name}: #{e.message}".colorize(:red)
    end
  end

  exited = false
  until exited
    base_navigation_state = @@BASE_NAVIGATION_STATES[@base_navigation_state_index]

    if base_navigation_state == 'HOME_MENU'
      new_base_navigation_state_index = execute_home_menu
    elsif base_navigation_state == 'SET_INVENTORY_FILE'
      new_base_navigation_state_index = execute_set_inventory_file
    elsif base_navigation_state == 'INIT_QUERY'
      new_base_navigation_state_index = execute_init_query
    elsif base_navigation_state == 'VIEW_QUERIES'
      new_base_navigation_state_index = execute_view_queries
    elsif base_navigation_state == 'EXITED'
      exited = true
    end

    if new_base_navigation_state_index == 'BACK'
      @base_navigation_state_index = @prev_base_navigation_state_index
    elsif @base_navigation_state_index != @prev_base_navigation_state
      @prev_base_navigation_state_index = @base_navigation_state_index
      @base_navigation_state_index = new_base_navigation_state_index
    end
  end

  exit(0)
end