Calendar from Asana Tasks

.env

ASANA_KEY_MIKE="/// REPLACE WITH ASANA KEY 1 ///"
ASANA_KEY_LISA="/// REPLACE WITH ASANA KEY 1 ///"

.gitignore

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# .env

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config.ru

require './myapp'
run Sinatra::Application

Gemfile

source 'https://rubygems.org'
gem 'rack'
gem 'sinatra'
gem 'asana'
gem 'icalendar'
gem 'dotenv'
gem 'puma'
gem 'activesupport'

Gemfile.lock

GEM
  remote: https://rubygems.org/
  specs:
    activesupport (7.0.3.1)
      concurrent-ruby (~> 1.0, >= 1.0.2)
      i18n (>= 1.6, < 2)
      minitest (>= 5.1)
      tzinfo (~> 2.0)
    asana (1.0.0)
      faraday (~> 1.0)
      faraday_middleware (~> 1.0)
      faraday_middleware-multi_json (~> 0.0)
      oauth2 (>= 1.4, < 3)
    concurrent-ruby (1.1.10)
    dotenv (2.8.1)
    faraday (1.10.0)
      faraday-em_http (~> 1.0)
      faraday-em_synchrony (~> 1.0)
      faraday-excon (~> 1.1)
      faraday-httpclient (~> 1.0)
      faraday-multipart (~> 1.0)
      faraday-net_http (~> 1.0)
      faraday-net_http_persistent (~> 1.0)
      faraday-patron (~> 1.0)
      faraday-rack (~> 1.0)
      faraday-retry (~> 1.0)
      ruby2_keywords (>= 0.0.4)
    faraday-em_http (1.0.0)
    faraday-em_synchrony (1.0.0)
    faraday-excon (1.1.0)
    faraday-httpclient (1.0.1)
    faraday-multipart (1.0.4)
      multipart-post (~> 2)
    faraday-net_http (1.0.1)
    faraday-net_http_persistent (1.2.0)
    faraday-patron (1.0.0)
    faraday-rack (1.0.0)
    faraday-retry (1.0.3)
    faraday_middleware (1.2.0)
      faraday (~> 1.0)
    faraday_middleware-multi_json (0.0.6)
      faraday_middleware
      multi_json
    hashie (5.0.0)
    i18n (1.12.0)
      concurrent-ruby (~> 1.0)
    icalendar (2.8.0)
      ice_cube (~> 0.16)
    ice_cube (0.16.4)
    jwt (2.4.1)
    minitest (5.16.2)
    multi_json (1.15.0)
    multi_xml (0.6.0)
    multipart-post (2.2.3)
    mustermann (2.0.2)
      ruby2_keywords (~> 0.0.1)
    nio4r (2.5.8)
    oauth2 (2.0.6)
      faraday (>= 0.17.3, < 3.0)
      jwt (>= 1.0, < 3.0)
      multi_xml (~> 0.5)
      rack (>= 1.2, < 3)
      rash_alt (>= 0.4, < 1)
      version_gem (~> 1.1)
    puma (5.6.4)
      nio4r (~> 2.0)
    rack (2.2.4)
    rack-protection (2.2.2)
      rack
    rash_alt (0.4.12)
      hashie (>= 3.4)
    ruby2_keywords (0.0.5)
    sinatra (2.2.2)
      mustermann (~> 2.0)
      rack (~> 2.2)
      rack-protection (= 2.2.2)
      tilt (~> 2.0)
    tilt (2.0.11)
    tzinfo (2.0.5)
      concurrent-ruby (~> 1.0)
    version_gem (1.1.0)

PLATFORMS
  ruby

DEPENDENCIES
  activesupport
  asana
  dotenv
  icalendar
  puma
  rack
  sinatra

BUNDLED WITH
   1.17.3

myapp.rb

require 'dotenv/load'
require 'sinatra'
require 'asana'
require 'icalendar'
require 'active_support/time'


Dotenv.require_keys("ASANA_KEY_MIKE")

def get_tasks
    client = Asana::Client.new do |c|
        c.authentication :access_token, ENV['ASANA_KEY_MIKE']
    end
    workspace = client.workspaces.find_all.first
    mike = client.users.me
    task_list = client.user_task_lists.get_user_task_list_for_user(user_gid: mike.gid, workspace: workspace.gid)
    task_list.tasks(completed_since: nil, options: {fields: ["gid", "name", "due_at", "notes", "projects", "start_at"]})
end

TIMED_TASK_FORMAT = /\[([0-9]+)m\]\s(.*)$/


get '/mike-calendar.ics', :provides => :text do
    tasks = get_tasks
    cal = Icalendar::Calendar.new
   
        tasks.each do |task|

            matches = TIMED_TASK_FORMAT.match(task.name)
            if matches != nil then
                duration_s, summary = matches.captures
                duration_i = duration_s.to_i
                if duration_i != nil and task.due_at != nil then
                    end_at = DateTime.parse(task.due_at)
                    project = task.projects.last
                    url = "https://app.asana.com/0/#{project ? project.gid : '0'}/#{task.gid}"

                    cal.event do |e|
                        e.dtstart     = Icalendar::Values::DateTime.new end_at - duration_i.minutes, 'tzid' => 'Europe/London'
                        e.dtend       = Icalendar::Values::DateTime.new end_at, 'tzid' => 'Europe/London'
                        e.organizer    = %w(mailto:[email protected]) # one or more email recipients (required)
                        e.attendee    = %w(mailto:[email protected]) # one or more email recipients (required)
                        e.summary     = summary
                        e.description = "#{task.notes} \n #{url}"
                        e.ip_class    = "PUBLIC"
                        e.url = "#{url}"

                        e.alarm do |a|
                            a.summary = summary
                            a.description = "15 minute warning"
                            a.trigger =  "-PT15M" # 15m
                        end
                        e.alarm do |a|
                            a.summary = summary
                            a.description = "5 minute warning"
                            a.trigger =  "-PT5M" # 5m
                        end
                    end
                end
            end
        end
        cal.to_ical
end

get '/lisa-calendar.ics', :provides => :text do
    tasks = get_tasks
    cal = Icalendar::Calendar.new
   
        tasks.each do |task|

            matches = TIMED_TASK_FORMAT.match(task.name)
            if matches != nil then
                duration_s, summary = matches.captures
                duration_i = duration_s.to_i
                if duration_i != nil and task.due_at != nil then
                    puts task.due_at
                    end_at = DateTime.parse(task.due_at)
                    cal.event do |e|
                        e.dtstart     = Icalendar::Values::DateTime.new end_at - duration_i.minutes, 'tzid' => 'Europe/London'
                        e.dtend       = Icalendar::Values::DateTime.new end_at, 'tzid' => 'Europe/London'
                        e.organizer    = %w(mailto:[email protected]) # one or more email recipients (required)
                        e.attendee    = %w(mailto:[email protected]) # one or more email recipients (required)
                        e.summary     = summary
                        e.description = "#{task.notes}"
                        e.ip_class    = "PUBLIC"
                        e.url = "https://app.asana.com/0/0/#{task.gid}"

                        e.alarm do |a|
                            a.summary = summary
                            a.description = "15 minute warning"
                            a.trigger =  "-PT15M" # 15m
                        end
                        e.alarm do |a|
                            a.summary = summary
                            a.description = "5 minute warning"
                            a.trigger =  "-PT5M" # 5m
                        end
                    end
                end
            end
        end
        cal.to_ical
end

Procfile

web: bundle exec puma -t 5:5 -p ${PORT:-3000} -e ${RACK_ENV:-development}