trello2github

trello2github.rb

#!/usr/bin/env ruby

# Copyright (c) 2015 The Exchange Group Pty Ltd
# Code licensed under http://opensource.org/licenses/MIT

require 'bundler/setup'
require 'octokit'
require 'trello'
require 'pry'

TRELLO_API_KEY = ''
TRELLO_OAUTH_TOKEN = ""
TRELLO_BOARD_ID = ''

GITHUB_REPO = 'exchangegroup/...'
GITHUB_USERNAME = ''
GITHUB_PASSWORD = ''

CLOSED_LISTS = %w{Complete}

MILESTONE_MAPPING = {
  'some trello label' => 1
}

LABEL_MAPPING = {
  'some trello label' => 'some github label'
}

Octokit.configure do |c|
  c.login = GITHUB_USERNAME
  c.password = GITHUB_PASSWORD
end

Trello.configure do |c|
  c.developer_public_key = TRELLO_API_KEY
  c.member_token = TRELLO_OAUTH_TOKEN
end

# binding.pry

def main
  board = Trello::Board.find(TRELLO_BOARD_ID)
  board.lists.each do |list|
    puts list.name
    puts "----"
    list.cards.each do |card|
      migrate_card(card)
    end
    puts "\n\n"
  end
end

def migrate_card card
  name = card.name
  desc = card.desc
  labels = card.labels.map(&:name)
  check_items = card.checklists.first.try(:check_items)

  print "Card: #{card.name}"

  iss = Octokit.create_issue(
    GITHUB_REPO,
    name,
    issue_body(desc, check_items),
    milestone: convert_milestone(labels),
    labels: convert_labels(labels),
  )

  if CLOSED_LISTS.include?(card.list.name)
    Octokit.close_issue(GITHUB_REPO, iss.number)
  end

  puts ": #{iss.id}"
  sleep 1 # GH rate limiting
end

def issue_body desc, check_items
  body = desc
  if !check_items.nil?
    body << "\n"
    body << "## TODO\n"
    body << "\n"

    check_items.each do |item|
      body << ' - '
      body << (item['state'] == 'incomplete' ? '[ ] ' : '[x] ')
      body << item['name']
      body << "\n"
    end
  end
  body
end

def convert_milestone(labels)
  labels.each do |label|
    if MILESTONE_MAPPING[label]
      return MILESTONE_MAPPING[label]
    end
  end
  nil
end

def convert_labels(labels)
  labels.map { |i| LABEL_MAPPING[i] }.compact
end

main()