enviar notificaciones!

.rubocop.yml

@@ -1,22 +1,6 @@
-inherit_from: .rubocop_todo.yml
+#inherit_from: .rubocop_todo.yml
 
-# No siempre queremos metadatear los modelos
-Rails/CreateTableWithTimestamps:
-  Enabled: false
 # Queremos poder hacer comentarios en castellano, esto quiere que
 # saquemos las tildes
 Style/AsciiComments:
   Enabled: false
-# El estilo de módulo y clases anidados agrega mucha indentación para
-# nuestros gusto
-Style/ClassAndModuleChildren:
-  Enabled: false
-Metrics/LineLength:
-  Exclude:
-    - 'db/schema.rb'
-Metrics/BlockLength:
-  Exclude:
-    - 'db/schema.rb'
-    - 'config/routes.rb'
-    - 'db/seeds.rb'
-    - 'config/environments/production.rb'

.rubocop_todo.yml

@@ -1,80 +0,0 @@
-# This configuration was generated by
-# `rubocop --auto-gen-config`
-# on 2019-04-05 17:51:53 -0300 using RuboCop version 0.66.0.
-# The point is for the user to remove these configuration records
-# one by one as the offenses are removed from the code base.
-# Note that changes in the inspected code, or installation of new
-# versions of RuboCop, may require this file to be generated again.
-
-# Offense count: 2
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: empty_lines, no_empty_lines
-Layout/EmptyLinesAroundBlockBody:
-  Exclude:
-    - 'db/schema.rb'
-
-# Offense count: 1
-Metrics/AbcSize:
-  Max: 18
-
-# Offense count: 1
-Metrics/CyclomaticComplexity:
-  Max: 9
-
-# Offense count: 2
-# Configuration parameters: CountComments, ExcludedMethods.
-Metrics/MethodLength:
-  Max: 13
-
-# Offense count: 1
-Metrics/PerceivedComplexity:
-  Max: 9
-
-# Offense count: 1
-Style/Documentation:
-  Exclude:
-    - 'spec/**/*'
-    - 'test/**/*'
-    - 'config/application.rb'
-
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: when_needed, always, never
-Style/FrozenStringLiteralComment:
-  Exclude:
-    - 'db/schema.rb'
-
-# Offense count: 2
-# Cop supports --auto-correct.
-Style/IfUnlessModifier:
-  Exclude:
-    - 'bin/bundle'
-
-# Offense count: 2
-Style/MixinUsage:
-  Exclude:
-    - 'bin/setup'
-    - 'bin/update'
-
-# Offense count: 1
-# Cop supports --auto-correct.
-# Configuration parameters: MinDigits, Strict.
-Style/NumericLiterals:
-  Exclude:
-    - 'db/schema.rb'
-
-# Offense count: 4
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyle, ConsistentQuotesInMultiline.
-# SupportedStyles: single_quotes, double_quotes
-Style/StringLiterals:
-  Exclude:
-    - 'db/schema.rb'
-
-# Offense count: 12
-# Configuration parameters: AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, IgnoredPatterns.
-# URISchemes: http, https
-Metrics/LineLength:
-  Max: 190

Gemfile

@@ -40,7 +40,7 @@ group :development do
   gem 'listen', '>= 3.0.5', '< 3.2'
   # Spring speeds up development by keeping your application running in
   # the background. Read more: https://github.com/rails/spring
-  gem 'rubocop'
+  gem 'rubocop-rails'
   gem 'spring'
   gem 'spring-watcher-listen', '~> 2.0.0'
   gem 'yard'

Gemfile.lock

@@ -64,7 +64,7 @@ GEM
     hkdf (0.3.0)
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
-    jaro_winkler (1.5.2)
+    jaro_winkler (1.5.3)
     jbuilder (2.8.0)
       activesupport (>= 4.2.0)
       multi_json (>= 1.2)
@@ -90,13 +90,12 @@ GEM
     nio4r (2.3.1)
     nokogiri (1.10.3)
       mini_portile2 (~> 2.4.0)
-    parallel (1.16.2)
-    parser (2.6.2.0)
+    parallel (1.17.0)
+    parser (2.6.3.0)
       ast (~> 2.4.0)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    psych (3.1.0)
     public_suffix (4.0.0)
     puma (3.12.1)
     rack (2.0.7)
@@ -132,15 +131,17 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
-    rubocop (0.66.0)
+    rubocop (0.72.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
-      parser (>= 2.5, != 2.5.1.1)
-      psych (>= 3.1.0)
+      parser (>= 2.6)
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 1.4.0, < 1.6)
-    ruby-progressbar (1.10.0)
+      unicode-display_width (>= 1.4.0, < 1.7)
+    rubocop-rails (2.2.0)
+      rack (>= 1.1)
+      rubocop (>= 0.72.0)
+    ruby-progressbar (1.10.1)
     ruby_dep (1.5.0)
     spring (2.0.2)
       activesupport (>= 4.2)
@@ -159,7 +160,7 @@ GEM
     thread_safe (0.3.6)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    unicode-display_width (1.5.0)
+    unicode-display_width (1.6.0)
     validate_url (1.0.8)
       activemodel (>= 3.0.0)
       public_suffix
@@ -185,7 +186,7 @@ DEPENDENCIES
   puma (~> 3.11)
   rack-cors
   rails (~> 5.2.3)
-  rubocop
+  rubocop-rails
   spring
   spring-watcher-listen (~> 2.0.0)
   sqlite3

app/controllers/barcas_controller.rb

@@ -47,6 +47,9 @@ class BarcasController < ApplicationController
     @barca.piratas << current_pirata
 
     if @barca.save
+      piratas = Pirata.todas_menos(current_pirata).pluck(:id)
+      notify(subject: 'barcas.create.subject', piratas: piratas)
+
       render status: :created
     else
       render json: { errors: @barca.errors.messages },
@@ -129,4 +132,17 @@ class BarcasController < ApplicationController
   def find_barca
     @barca = Barca.find(params[:barca_id])
   end
+
+  def notify(piratas:, subject:)
+    # Notificar a todas las piratas que hay una nueva barca para que
+    # se puedan sumar
+    payload = WebpushPayload.new(subject: I18n.t(subject,
+                                                 barca: @barca.nombre),
+                                 message: @barca.descripcion,
+                                 endpoint: barca_path(@barca))
+
+    WebpushJob.perform_later(piratas: piratas,
+                             ttl: 7.days.to_i,
+                             payload: payload.to_json)
+  end
 end

app/controllers/consensos_controller.rb

@@ -66,8 +66,7 @@ class ConsensosController < ApplicationController
     begin
       @consenso = @barca.consensos.find(params[:id])
     rescue ActiveRecord::RecordNotFound
-      render json: {}, status: :not_found
-      return
+      render(json: {}, status: :not_found) && return
     end
 
     if @consenso.posiciones.empty? && @consenso.destroy

app/controllers/posiciones_controller.rb

@@ -15,7 +15,8 @@ class PosicionesController < ApplicationController
   # Crea una posición dentro de un consenso
   #
   # @param :consenso_id [Integer] El ID del consenso
-  # @param :posicion [Hash] { posicion: { estado: @string, comentario: @string } }
+  # @param :posicion [Hash] { posicion: { estado: @string,
+  #                                       comentario: @string } }
   # @return [Hash] { id: @int, estado: @string, comentario: @string,
   #                  pirata: @pirata }
   def create

app/jobs/webpush_job.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+# Envía las notificaciones
+class WebpushJob < ApplicationJob
+  queue_as :default
+
+  # @param :piratas [String,Array] 'all' para traer todas, array de IDs
+  # para filtrar
+  # @param :payload [WebpushPayload] La notificación a enviar
+  # @param :urgency [Symbol] La urgencia
+  # @param :ttl [Any] Duración convertible a segundos
+  def perform(piratas:, payload:, urgency: :normal, ttl: 1.day.to_i)
+    # Encontrar todas las piratas
+    piratas = find_piratas(piratas)
+    payload = WebpushPayload.from_json payload
+
+    # No cargar todas las piratas en memoria!
+    piratas.find_each do |pirata|
+      # Enviarles a todas sus suscripciones
+      pirata.webpush_subscriptions.find_each do |subscription|
+        subscription.payload_send(payload: payload,
+                                  urgency: urgency,
+                                  ttl: ttl)
+      end
+    end
+  end
+
+  private
+
+  def find_piratas(ids)
+    if ids == 'all'
+      Pirata.all
+    else
+      Pirata.where(id: ids)
+    end
+  end
+end

app/models/pirata.rb

@@ -18,4 +18,6 @@ class Pirata < ApplicationRecord
   # Una por correo
   validates :email, presence: true, uniqueness: true
   validates :nick, presence: true, uniqueness: true
+
+  scope :todas_menos, ->(pirata) { where.not(id: pirata) }
 end

app/models/webpush_payload.rb

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+# El payload que se envía en la notificación
+#
+# @param :subject [String] El título de la notificación
+# @param :message [String] El cuerpo de la notificación
+# @param :endpoint [String] La URL a visitar al abrir la notificación
+WebpushPayload = Struct.new(:subject, :message, :endpoint,
+                            keyword_init: true) do
+  # Convertir el payload a JSON para poder enviarlo
+  #
+  # @return String
+  def to_json(opts = nil)
+    to_h.to_json(opts)
+  end
+
+  def self.from_json(string)
+    new(JSON.parse(string))
+  end
+end

app/models/webpush_subscription.rb

@@ -6,4 +6,30 @@ class WebpushSubscription < ApplicationRecord
   validates :endpoint, url: true
   validates_uniqueness_of :auth, scope: %i[p256dh endpoint],
                                  case_sensitive: false
+
+  URGENCY = %w[very-low low normal high].freeze
+
+  # Envía la notificación
+  def payload_send(payload:, urgency: :normal, ttl: 1.day)
+    Webpush.payload_send(
+      vapid: {
+        subject: 'mailto:lumi@partidopirata.com.ar',
+        public_key: Rails.application.credentials.vapid.public_key,
+        private_key: Rails.application.credentials.vapid.private_key
+      },
+      endpoint: endpoint, auth: auth, p256dh: p256dh,
+      ttl: ttl.to_i, urgency: normalize_urgency(urgency),
+      message: payload.to_json
+    )
+  end
+
+  private
+
+  def normalize_urgency(urgency)
+    if URGENCY.includes? urgency.to_s
+      urgency.to_s
+    else
+      'normal'
+    end
+  end
 end

config/locales/en.yml

@@ -1,33 +1,4 @@
-# Files in the config/locales directory are used for internationalization
-# and are automatically loaded by Rails. If you want to use locales other
-# than English, add the necessary files in this directory.
-#
-# To use the locales, use `I18n.t`:
-#
-#     I18n.t 'hello'
-#
-# In views, this is aliased to just `t`:
-#
-#     <%= t('hello') %>
-#
-# To use a different locale, set it with `I18n.locale`:
-#
-#     I18n.locale = :es
-#
-# This would use the information in config/locales/es.yml.
-#
-# The following keys must be escaped otherwise they will not be retrieved by
-# the default I18n backend:
-#
-# true, false, on, off, yes, no
-#
-# Instead, surround them with single quotes.
-#
-# en:
-#   'true': 'foo'
-#
-# To learn more, please read the Rails Internationalization guide
-# available at http://guides.rubyonrails.org/i18n.html.
-
 en:
-  hello: "Hello world"
+  barcas:
+    create:
+      subject: '%{barca} has been created!'

config/locales/es.yml

@@ -0,0 +1,4 @@
+es:
+  barcas:
+    create:
+      subject: '%{barca} creada, ¡al abordaje!'

test/jobs/webpush_job_test.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+require 'test_helper'
+
+class WebpushJobTest < ActiveJob::TestCase
+  test 'se pueden enviar a todas las piratas' do
+    payload = WebpushPayload.new(subject: 'test', message: 'test', endpoint: 'https://partidopirata.com.ar')
+
+    assert_nothing_raised do
+      WebpushJob.perform_now(piratas: 'all', payload: payload.to_json,
+                             urgency: :low, ttl: 1.day.to_i)
+    end
+  end
+
+  test 'se pueden enviar a algunas piratas' do
+    pirata = create :pirata
+    payload = WebpushPayload.new(subject: 'test', message: 'test', endpoint: 'https://partidopirata.com.ar')
+
+    assert_nothing_raised do
+      WebpushJob.perform_now(piratas: [pirata.id], payload: payload.to_json,
+                             urgency: :low, ttl: 1.day.to_i)
+    end
+  end
+end