Get report hours from toggl.com

Gemfile

source "https://ruby.taobao.org"

ruby "2.3.0"

gem "activesupport"
gem "togglv8"
gem "awesome_print"
gem "trollop"

group :development do
  gem "byebug"
end

toggl_reports.rb

#!/usr/bin/ruby
#
# Get monthly reports from toggl.com:
#
#   $ bundle && bundle exec ruby toggl_reports.rb [-d YYYY/MM]
#
require 'active_support/core_ext/enumerable'
require 'active_support/time'
require 'togglv8'
require 'trollop'

class TogglReports
  def initialize(api_token:)
    @api = TogglV8::API.new(api_token)
    @reports = TogglV8::ReportsV2.new(api_token: api_token)
  end
  
  def by_projects(from:, to:)
    @api.workspaces.flat_map do |workspace|
      $stderr.puts("Workspace: %s" % workspace["name"])
      @reports.workspace_id = workspace["id"]
      @reports.summary("", :since => from, :until => to).map do |entry|
        {
          time: entry["time"].to_f / 3600 / 1000,
          client: entry["title"]["client"] || "[NO CLIENT]",
          project: entry["title"]["project"] || "[NO PROJECT]",
        }
      end
    end
  end

  def self.by_project_for_month(api_token:, date: Date.current) 
    reports = TogglReports.new(api_token: api_token)
    entries = reports.by_projects(from: date.beginning_of_month, to: date.end_of_month)
    total_hours = entries.map { |entry| entry[:time] }.sum
    entry_lines = entries.map { |entry| "%{client} - %{project}: %{time}h" % entry }
    
    $stderr.puts("Month: %s" % date.strftime("%Y-%B"))
    $stderr.puts("Total hours: %0.2f" % total_hours)
    $stdout.puts(entry_lines.join("\n"))
  end
end

if __FILE__ == $0
  token_dir = File.join(__dir__, "toggl-api-token.txt")
  default_api_token = File.exists?(token_dir) ? File.read(token_dir).strip : ""
  opts = Trollop::options do
    opt(:api_token, "API token", :type => :string, :default => default_api_token)
    opt(:date, "Date month (YYYY/MM)", :type => :string)
  end
  
  date = opts[:date] ? Time.parse(opts[:date]) : Date.current.prev_month
  TogglReports.by_project_for_month(api_token: opts[:api_token], date: date)
end