rakefile

#todo: dont 'fail' on circle when version already exists

require 'pry'
require 'aws-sdk'
require 'rake/testtask'

# Create a rake task for running tests
Rake::TestTask.new do |t|
  t.name = :functional
  t.pattern = "test/functional/*.rb"
end

def s3
  $s3 ||= AWS::S3.new(access_key_id: ENV["S3_ACCESS_KEY_ID"] , secret_access_key: ENV["S3_ACCESS_KEY"], region: 'eu-west-1')
end

def bucket
  $bucket ||=  s3.buckets['prod-sky-analytics']
end

def latest_version_number
  $latest_version_number ||= File.open('_config.yml').read.match(/version:(.+)/)[1].strip
end

def version_already_exists?
  bucket.objects.any? do |obj|
    obj.key.split('/').first == latest_version_number
  end
end

def version_is_release_candidate?
  latest_version_number.include? 'rc'
end

def files_to_upload
  ["analytics.js"]
end

def templates_to_upload
  Dir.glob("_site/**/*.*")
end

def content_type(file)
  case File.extname(file)
    when '.map'
      content_type = 'text/javascript'
    when '.js'
      content_type = 'text/javascript'
    when '.css'
      content_type = 'text/css'
    when '.png'
      content_type = 'image/png'
    when '.html'
      content_type = 'text/html'
    else
      content_type = 'image/jpeg'
  end
  content_type
end

def getDate
  `date +'%d-%m-%Y'`
end

desc 'Deploys a new version to the CDN'
task :deploy_new_version do

  system "git config user.email 'circleci@bskyb.com'"
  system "git config user.name 'CircleCI'"

  puts "*** Grunting files ***"
  system "grunt"
  system "git add ./dist"
  system "git commit -m 'Rake deploy - adding grunted files'"
  system "git push origin HEAD:master"

  if !version_is_release_candidate?
    puts "*** Pushing to github.io ***"
    system "git stash"
    system "git checkout gh-pages"
    system "git push origin master:gh-pages"
    system "git checkout master"
    system "git stash apply"

    puts "*** Tagging Version #{latest_version_number} ***"
    system "git tag -a v#{latest_version_number} -m \"Rake deploy: auto tag on #{getDate}\""
    system "git push origin master v#{latest_version_number}"

  end

  if version_already_exists?
    puts "Version #{latest_version_number} exists so exiting."
    next
  end

  puts "*** Pushing to the AmazonS3 ***"
  doc_resources = []
  puts "Deployed following resources:"
  cd "_site/dist/js/"
  files_to_upload.each do |file|
    doc_resources << bucket.objects["#{latest_version_number}/#{file}"].write(File.open(file).read, cache_control: 'public, max-age=2592000', content_type: content_type(file), acl: :public_read )
  end

  puts "Deploying templates:"
  cd "../../../"
  templates_to_upload.each do |file|
    doc_resources << bucket.objects["#{latest_version_number}/#{file}"].write(File.open(file).read, cache_control: 'public, max-age=2592000', content_type: content_type(file), acl: :public_read )
  end

end