Asociar cuentas de Telegram

Gemfile

@@ -32,6 +32,9 @@ gem 'bootsnap', '>= 1.1.0', require: false
 # making cross-origin AJAX possible
 gem 'rack-cors'
 
+gem 'telegram-bot'
+gem 'telegram-bot-types'
+
 group :development, :test do
   gem 'factory_bot_rails'
   gem 'pry'

Gemfile.lock

@@ -46,6 +46,10 @@ GEM
       sshkit (>= 1.6.1, != 1.7.0)
     arel (9.0.0)
     ast (2.4.1)
+    axiom-types (0.1.1)
+      descendants_tracker (~> 0.0.4)
+      ice_nine (~> 0.11.0)
+      thread_safe (~> 0.3, >= 0.3.1)
     bcrypt (3.1.13)
     bcrypt_pbkdf (1.0.1)
     benchmark-ips (2.8.2)
@@ -66,6 +70,8 @@ GEM
       capistrano (~> 3.1)
       sshkit (~> 1.3)
     coderay (1.1.3)
+    coercible (1.0.0)
+      descendants_tracker (~> 0.0.1)
     concurrent-ruby (1.1.6)
     crass (1.0.6)
     database_cleaner (1.8.5)
@@ -80,8 +86,11 @@ GEM
       ruby-statistics (>= 2.1)
       thor (>= 0.19, < 2)
       unicode_plot (>= 0.0.4, < 1.0.0)
+    descendants_tracker (0.0.4)
+      thread_safe (~> 0.3, >= 0.3.1)
     ed25519 (1.2.4)
     enumerable-statistics (2.0.1)
+    equalizer (0.0.11)
     erubi (1.9.0)
     factory_bot (6.0.2)
       activesupport (>= 5.0.0)
@@ -95,8 +104,10 @@ GEM
       activesupport (>= 4.2.0)
     heapy (0.1.4)
     hkdf (0.3.0)
+    httpclient (2.8.3)
     i18n (1.8.3)
       concurrent-ruby (~> 1.0)
+    ice_nine (0.11.2)
     jbuilder (2.10.0)
       activesupport (>= 5.0.0)
     jwt (2.2.1)
@@ -205,6 +216,12 @@ GEM
     stackprof (0.2.15)
     sucker_punch (2.1.2)
       concurrent-ruby (~> 1.0)
+    telegram-bot (0.14.4)
+      actionpack (>= 4.0, < 6.1)
+      activesupport (>= 4.0, < 6.1)
+      httpclient (~> 2.7)
+    telegram-bot-types (0.6.2)
+      virtus (~> 1.0)
     thor (1.0.1)
     thread_safe (0.3.6)
     tzinfo (1.2.7)
@@ -215,6 +232,11 @@ GEM
     validate_url (1.0.11)
       activemodel (>= 3.0.0)
       public_suffix
+    virtus (1.0.5)
+      axiom-types (~> 0.1)
+      coercible (~> 1.0)
+      descendants_tracker (~> 0.0, >= 0.0.3)
+      equalizer (~> 0.0, >= 0.0.9)
     webpush (1.0.0)
       hkdf (~> 0.2)
       jwt (~> 2.0)
@@ -250,6 +272,8 @@ DEPENDENCIES
   sqlite3
   stackprof
   sucker_punch
+  telegram-bot
+  telegram-bot-types
   validate_url
   webpush
   yard

app/controllers/telegram/webhook_controller.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+module Telegram
+  # Recibe los mensajes desde Telegram y asocia piratas con cuentas de
+  # Telegram.
+  class WebhookController < Telegram::Bot::UpdatesController
+    include Telegram::Bot::UpdatesController::TypedUpdate
+
+    # Recibe un token, lo busca y asocia las cuentas
+    def start!(token = nil)
+      unless token
+        respond_with :message, text: t('.need_token')
+        return
+      end
+
+      unless (pirata = Pirata.find_by(telegram_token: token))
+        respond_with :message, text: t('.couldnt_find')
+        return
+      end
+
+      pirata.update_attribute :telegram_user, payload.from.id
+
+      respond_with :message, text: t('.hi', pirata: pirata.nick)
+    end
+  end
+end

app/models/pirata.rb

@@ -20,4 +20,13 @@ class Pirata < ApplicationRecord
   validates :nick, presence: true, uniqueness: true
 
   scope :todas_menos, ->(pirata) { where.not(id: pirata) }
+
+  before_create :telegram_token!
+
+  # Asigna un token a cada pirata
+  def telegram_token!
+    self.telegram_token = SecureRandom.hex unless telegram_token
+
+    true
+  end
 end

config/credentials.yml.enc

@@ -1 +1 @@
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--GSG7fmILLHszNXqA--MCDhQnqJ0MUtZez5CaBrSA==

config/locales/en.yml

@@ -46,3 +46,9 @@ en:
         en_contra: 'is against'
         bloqueo: 'blocks'
         indiferente: 'is indifferent'
+  telegram:
+    webhook:
+      start:
+        need_token: 'To be able to link your Lumi and Telegram accounts, you can go to Lumi and find a link to Telegram.  Once you open it I can link them P)'
+        couldnt_find: "I couldn't find you, did you use the correct link?"
+        hi: "Hi %{pirata}!  I linked your accounts, from now on I'll contact you whenever there's news"

config/locales/es.yml

@@ -52,3 +52,9 @@ es:
         en_contra: 'está en contra'
         bloqueo: 'bloquea'
         indiferente: 'le es indiferente'
+  telegram:
+    webhook:
+      start:
+        need_token: 'Para poder asociar tus cuentas entre Lumi y Telegram, podés ir a Lumi y buscar el vínculo a Telegram.  Al abrirlo se asocian las cuentas P)'
+        couldnt_find: 'No te encuentro, ¿usaste el vínculo correcto?'
+        hi: '¡Hola %{pirata}!  Ya asocié tus cuentas de Lumi y Telegram, a partir de ahora te voy a contactar con las actualizaciones P)'

config/routes.rb

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 Rails.application.routes.draw do
+  telegram_webhook Telegram::WebhookController
+
   get '/piratas/yo', to: 'piratas#yo'
   # No queremos un índice de piratas
   resources :piratas, only: %i[create]

db/migrate/20200620234913_add_telegram_token_to_piratas.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+# El token permite asociar piratas con cuentas de Telegram
+class AddTelegramTokenToPiratas < ActiveRecord::Migration[5.2]
+  def up
+    add_column :piratas, :telegram_token, :string, index: true
+    add_column :piratas, :telegram_user, :string, index: true
+
+    Pirata.find_each do |pirata|
+      pirata.telegram_token!
+      pirata.save
+    end
+  end
+
+  def down
+    remove_column :piratas, :telegram_token
+    remove_column :piratas, :telegram_user
+  end
+end