Class: ListTool::App::DeleteItemCommand

Inherits:
Object
  • Object
show all
Defined in:
lib/list_tool/app/commands/delete_item_command.rb

Class Method Summary collapse

Class Method Details

.execute(options, lister) ⇒ Object

Raises:



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# File 'lib/list_tool/app/commands/delete_item_command.rb', line 26

def self.execute options, lister
  args = [ options[:item] ]
  args << {list: options[:list]} if options[:list]
  raise(ListNotFoundError, 'no list with given number') if lister.delete_item(*args).nil?
end

.help ⇒ Object 



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# File 'lib/list_tool/app/commands/delete_item_command.rb', line 32

def self.help
  "  d,  del-item ITEM [LIST]\tDelete ITEM from given or default list"
end

.match?(arg) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/list_tool/app/commands/delete_item_command.rb', line 6

def self.match? arg
  ['d', 'del-item'].include? arg
end

.parse(argv) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/list_tool/app/commands/delete_item_command.rb', line 10

def self.parse argv
  raise ArgumentError, "expected argument to be an array, #{argv.class} given" unless argv.is_a? Array

  item, list = argv.shift(2)
  raise ArgumentError, 'item number not specified' if item.nil?

  out = {item: Integer(item) - 1} rescue raise(ArgumentError, 'item number must be an integer')
  
  if list
    out[:list] = Integer(list) - 1 rescue raise(ArgumentError, 'list number must be an integer')
    raise ArgumentError, "list number can't be less than 1" if out[:list] < 0
  end

  out
end