bitbucket_api.rb

# https://confluence.atlassian.com/bitbucket/repository-resource-423626331.html

class BitbucketAPI
  include HTTParty
  base_uri 'https://api.bitbucket.org/2.0'

  attr_reader :access_token
  attr_reader :repo
  attr_reader :owner

  def initialize(repo: nil)
    get_access_token
    @repo = repo
    @owner = ENV['OWNER']
  end

  def headers
     {
      "Authorization" => "Bearer #{access_token}",
      "Accept" => "application/json"
    }
  end

  def get_access_token
    response = HTTParty.post(
      "https://bitbucket.org/site/oauth2/access_token",
      basic_auth: {
        username: ENV['CLIENT_ID'],
        password: ENV['CLIENT_SECRET']
      },
      body: {
        grant_type: 'client_credentials'
      }
    )
    data = JSON.parse(response.body)
    @access_token = data['access_token']
  end

  def repos
    get("/repositories/#{owner}?sort=-updated_on")['values']
  end

  def summary
    get("/repositories/#{owner}/#{repo}")['values']
  end

  def commits
    get("/repositories/#{owner}/#{repo}/commits")['values']
  end

  def commit revision
    get "/repositories/#{owner}/#{repo}/commit/#{revision}"
  end

  def download revision
    file = File.join(Rails.root, 'tmp', "#{repo}-#{revision}.zip")

    url = "https://bitbucket.org/#{owner}/#{repo}/get/#{revision}.zip"
    auth = "-H 'Authorization: Bearer #{access_token}'"

    command =[
      "curl -s -L #{auth} -o '#{file}' #{url}",
      "unzip -o '#{file}'"
    ].join(" && ")

    logs = `#{command}`
    return {
      file: file,
      logs: logs
    }
  end


  private

    def get path
      puts "GET #{path}"
      raw = self.class.get(path, headers: headers).body
      puts "raw: #{raw}"
      JSON.parse(raw)
    end

end