Class: GroupByMatchType::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/group_by_match_type/cli.rb

Constant Summary collapse

VALID_TYPES = 
%w[same_email same_phone same_email_or_phone].freeze

Class Method Summary collapse

Class Method Details

.show_help ⇒ Object 



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# File 'lib/group_by_match_type/cli.rb', line 45

def self.show_help
  puts "    Usage: group_by_match_type INPUT_FILE MATCHING_TYPE [OUTPUT_FILE]\n\n    Arguments:\n      INPUT_FILE    Path to the CSV file to process\n      MATCHING_TYPE One of: same_email, same_phone, same_email_or_phone\n      OUTPUT_FILE   (Optional) Path to save the grouped CSV output\n\n    Example:\n      group_by_match_type contacts.csv same_email ~/Downloads/contacts_grouped.csv\n  HELP_MESSAGE\nend\n"

.start(args) ⇒ Object 



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# File 'lib/group_by_match_type/cli.rb', line 10

def self.start(args)
  if args.empty? || args.include?('-h') || args.include?('--help')
    show_help
    exit(args.empty? ? 1 : 0)
  end

  if args.length < 2 || args.length > 3
    puts 'Error: Please provide the input file, matching type, and optionally an output file path'
    show_help
    exit 1
  end

  input_file, matching_type, output_file = args

  unless VALID_TYPES.include?(matching_type)
    puts "Error: Invalid matching type '#{matching_type}'"
    show_help
    exit 1
  end

  unless File.exist?(input_file)
    puts "Error: File '#{input_file}' does not exist"
    exit 1
  end

  begin
    matcher = Matcher.new(input_file, matching_type)
    output = matcher.process(output_file)
    puts "Processing complete. Output written to: #{output}"
  rescue StandardError => e
    puts "Error: #{e.message}"
    exit 1
  end
end