Add standard-rails and apply suggested updates

.standard.yml

@@ -1,4 +1,10 @@
+plugins:
+  - standard-performance
+  - standard-rails
 ignore:
   - 'lib/gpio.rb':
     - Lint/Loop
   - 'lib/pour_reader.rb' # Used by mruby
+  - '**/*':
+    - Rails/EnvironmentVariableAccess
+

Gemfile

@@ -33,7 +33,9 @@ group :test, :development do
   gem "pry"
   gem "rspec-rails"
   gem "selenium-webdriver"
-  gem "standard", require: false
+  gem "standard"
+  gem "standard-performance"
+  gem "standard-rails"
 end
 
 group :no_require do

Gemfile.lock

@@ -166,9 +166,10 @@ GEM
     importmap-rails (1.1.5)
       actionpack (>= 6.0.0)
       railties (>= 6.0.0)
-    json (2.6.3)
+    json (2.7.1)
     jsonapi-renderer (0.2.2)
     language_server-protocol (3.17.0.3)
+    lint_roller (1.1.0)
     loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
@@ -205,9 +206,10 @@ GEM
       racc (~> 1.4)
     oj (3.13.23)
     pagy (6.0.2)
-    parallel (1.22.1)
-    parser (3.2.1.0)
+    parallel (1.24.0)
+    parser (3.3.0.4)
       ast (~> 2.4.1)
+      racc
     pg (1.4.5)
     propshaft (0.6.4)
       actionpack (>= 7.0.0)
@@ -254,8 +256,8 @@ GEM
       zeitwerk (~> 2.5)
     rainbow (3.1.1)
     rake (13.0.6)
-    regexp_parser (2.7.0)
-    rexml (3.2.5)
+    regexp_parser (2.9.0)
+    rexml (3.2.6)
     rspec-core (3.12.0)
       rspec-support (~> 3.12.0)
     rspec-expectations (3.12.1)
@@ -273,38 +275,55 @@ GEM
       rspec-mocks (~> 3.11)
       rspec-support (~> 3.11)
     rspec-support (3.12.0)
-    rubocop (1.44.1)
+    rubocop (1.59.0)
       json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.2.0.0)
+      parser (>= 3.2.2.4)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.24.1, < 2.0)
+      rubocop-ast (>= 1.30.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.26.0)
+    rubocop-ast (1.30.0)
       parser (>= 3.2.1.0)
-    rubocop-performance (1.15.2)
-      rubocop (>= 1.7.0, < 2.0)
-      rubocop-ast (>= 0.4.0)
-    ruby-progressbar (1.11.0)
+    rubocop-performance (1.20.2)
+      rubocop (>= 1.48.1, < 2.0)
+      rubocop-ast (>= 1.30.0, < 2.0)
+    rubocop-rails (2.23.1)
+      activesupport (>= 4.2.0)
+      rack (>= 1.1)
+      rubocop (>= 1.33.0, < 2.0)
+      rubocop-ast (>= 1.30.0, < 2.0)
+    ruby-progressbar (1.13.0)
     ruby-statistics (3.0.1)
     rubyzip (2.3.2)
     selenium-webdriver (4.7.1)
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
     stackprof (0.2.23)
-    standard (1.24.3)
+    standard (1.33.0)
       language_server-protocol (~> 3.17.0.2)
-      rubocop (= 1.44.1)
-      rubocop-performance (= 1.15.2)
+      lint_roller (~> 1.0)
+      rubocop (~> 1.59.0)
+      standard-custom (~> 1.0.0)
+      standard-performance (~> 1.3)
+    standard-custom (1.0.2)
+      lint_roller (~> 1.0)
+      rubocop (~> 1.50)
+    standard-performance (1.3.1)
+      lint_roller (~> 1.1)
+      rubocop-performance (~> 1.20.2)
+    standard-rails (1.0.2)
+      lint_roller (~> 1.0)
+      rubocop-rails (~> 2.23.1)
     thor (1.2.1)
     timeout (0.3.1)
     tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.4.2)
+    unicode-display_width (2.5.0)
     websocket (1.2.9)
     websocket-extensions (0.1.5)
     xpath (3.2.0)
@@ -341,6 +360,8 @@ DEPENDENCIES
   selenium-webdriver
   stackprof
   standard
+  standard-performance
+  standard-rails
   websocket-driver!
 
 RUBY VERSION

app/controllers/activity_controller.rb

@@ -1,6 +1,6 @@
 class ActivityController < ApplicationController
   def recent
-    pours = Pour.where("volume IS NOT NULL").order("created_at desc").limit(params[:limit] || 10)
+    pours = Pour.where.not(volume: nil).order("created_at desc").limit(params[:limit] || 10)
 
     render json: append_data(pours).to_json
   end

app/controllers/admin/pours_controller.rb

@@ -7,7 +7,7 @@ def index
   def destroy
     keg = Keg.find(params[:keg_id])
     pour = keg.pours.find(params[:id])
-    pour.destroy
+    pour.destroy!
     redirect_to :back
   end
 end

app/controllers/admin/users_controller.rb

@@ -21,7 +21,7 @@ def update
 
   def destroy
     user = User.find(params[:id])
-    user.destroy
+    user.destroy!
     redirect_to admin_users_path
   end
 

app/controllers/homepage_controller.rb

@@ -1,6 +1,6 @@
 class HomepageController < ApplicationController
   def index
     @beer_taps = BeerTap.order(:display_order)
-    @pours = Pour.where("volume IS NOT NULL").order("created_at desc").limit(@beer_taps.size * 3)
+    @pours = Pour.where.not(volume: nil).order("created_at desc").limit(@beer_taps.size * 3)
   end
 end

app/controllers/pours_controller.rb

@@ -4,7 +4,7 @@ def index
   end
 
   def new
-    @users = User.where(["name != ?", "Guest"]).order(:name)
+    @users = User.where.not(name: "Guest").order(:name)
   end
 
   def create
@@ -27,15 +27,15 @@ def show
 
   def edit
     @pour = Pour.find(params[:id])
-    @users = User.where(["name != ?", "Guest"]).order(:name)
+    @users = User.where.not(name: "Guest").order(:name)
   end
 
   def update
     pour = Pour.find(params[:id])
     if params.require(:pour).keys == ["finished_at"]
       pour.finish_pour(params[:pour][:finished_at])
     else
-      pour.update(pour_params)
+      pour.update!(pour_params)
     end
     redirect_to(params[:back_to] || root_path)
   end

app/controllers/temperature_sensors_controller.rb

@@ -3,7 +3,7 @@ def readings
     expires_now
 
     sensor = TemperatureSensor.find(params[:sensor_id])
-    start_time = Time.at(params[:start_timestamp].to_i)
+    start_time = Time.at(params[:start_timestamp].to_i).utc
     end_time = start_time + params[:duration].to_i
 
     render json: Oj.dump(sensor.temp_data(start_time, end_time))

app/models/achievement.rb

@@ -135,7 +135,7 @@ class << self
 
   def initialize(attributes = {})
     attributes&.each do |name, value|
-      send("#{name}=", value) if respond_to? name.to_sym
+      send(:"#{name}=", value) if respond_to? name.to_sym
     end
   end
 

app/models/application_record.rb

@@ -0,0 +1,3 @@
+class ApplicationRecord < ActiveRecord::Base
+  primary_abstract_class
+end

app/models/beer_tap.rb

@@ -1,11 +1,11 @@
-class BeerTap < ActiveRecord::Base
+class BeerTap < ApplicationRecord
   FLOZ_PER_ML = BigDecimal("0.033814")
 
   belongs_to :temperature_sensor, optional: true
   belongs_to :kegerator, optional: true
 
-  has_many :kegs, inverse_of: :beer_tap
-  has_one :active_keg, lambda { where(active: true) }, class_name: "Keg", inverse_of: :beer_tap
+  has_many :kegs, inverse_of: :beer_tap, dependent: :nullify
+  has_one :active_keg, lambda { where(active: true) }, class_name: "Keg", inverse_of: :beer_tap, dependent: nil
 
   scope :unused, -> { joins("LEFT JOIN kegs ON kegs.beer_tap_id = beer_taps.id AND kegs.active = true").where(kegs: {id: nil}) }
 
@@ -14,19 +14,19 @@ def self.for_select
   end
 
   def activate
-    return true unless valve_pin.present?
+    return true if valve_pin.blank?
     valve_pin_gpio.on
     true
   end
 
   def deactivate
-    return true unless valve_pin.present?
+    return true if valve_pin.blank?
     valve_pin_gpio.off
     true
   end
 
   def toggle_cleaning
-    return true unless valve_pin.present?
+    return true if valve_pin.blank?
     if valve_pin_gpio.off?
       valve_pin_gpio.on
     else

app/models/keg.rb

@@ -1,4 +1,4 @@
-class Keg < ActiveRecord::Base
+class Keg < ApplicationRecord
   # Capacity is stored in fluid ounces
   KEG_CAPACITIES = [
     ["1/2 Barrel", 1980],
@@ -9,17 +9,17 @@ class Keg < ActiveRecord::Base
 
   belongs_to :beer_tap, optional: true
 
-  has_many :pours, inverse_of: :keg
-  has_one :active_pour, lambda { where(finished_at: nil) }, class_name: "Pour", inverse_of: :keg
+  has_many :pours, inverse_of: :keg, dependent: :nullify
+  has_one :active_pour, lambda { where(finished_at: nil) }, class_name: "Pour", inverse_of: :keg, dependent: nil
 
   validates :srm, numericality: {greater_than: 0, less_than: 41, allow_blank: true}
 
   def display_name
-    [name, brewery].reject(&:blank?).join(" by ")
+    [name, brewery].compact_blank.join(" by ")
   end
 
   def completed_pours
-    pours.where("finished_at IS NOT NULL")
+    pours.where.not(finished_at: nil)
   end
 
   def poured
@@ -43,7 +43,7 @@ def srm_rgb
   def start_pour(user = User.guest)
     pour = active_pour || pours.new
     pour.user = user if user
-    pour.save
+    pour.save!
     beer_tap.activate
     pour
   end
@@ -55,16 +55,16 @@ def tap_it(tap_id)
     end
 
     self.beer_tap_id = tap_id
-    self.started_at ||= Time.now
+    self.started_at ||= Time.current
     self.finished_at = nil
     self.active = true
-    save
+    save # standard:disable Rails/SaveBang
   end
 
   def untap_it
-    self.finished_at = Time.now
+    self.finished_at = Time.current
     self.active = false
-    save
+    save # standard:disable Rails/SaveBang
   end
 
   def temp_data
@@ -84,12 +84,13 @@ def projected_empty
     if poured == 0 || remaining == 0
       "No projection available"
     else
-      Time.now + (Time.now - started_at) / poured * remaining
+      now = Time.current
+      now + (now - started_at) / poured * remaining
     end
   end
 
   def days_on_tap
     return 0 unless started_at
-    (((finished_at || Time.now) - started_at) / 1.day).round
+    (((finished_at || Time.current) - started_at) / 1.day).round
   end
 end

app/models/kegerator.rb

@@ -1,13 +1,13 @@
-class Kegerator < ActiveRecord::Base
+class Kegerator < ApplicationRecord
   belongs_to :temperature_sensor
-  has_many :beer_taps
+  has_many :beer_taps, dependent: :destroy
 
   def check(reading)
     return if control_pin.blank? || min_temp.blank? || max_temp.blank?
 
     if pin.on? && reading.temp_f < min_temp
-      self.last_shutdown = Time.now
-      save
+      self.last_shutdown = Time.current
+      save!
       pin.off
     elsif pin.off? && reading.temp_f > max_temp && (last_shutdown.nil? || last_shutdown < 5.minutes.ago)
       pin.on
@@ -35,7 +35,7 @@ def cooling?
   # This should send a message on the first alarm reading and every 30 minutes after that
   def send_alarm_message(reading)
     last_good = temperature_sensor.temperature_readings.where(["temp_f < ?", alarm_temp]).order("created_at DESC").first.try(:created_at)
-    return if last_good.nil? || (((Time.now - last_good) / 60).round % 30) != 1
+    return if last_good.nil? || (((Time.current - last_good) / 60).round % 30) != 1
 
     # Try to reset the GFCI
     pin.off
@@ -59,7 +59,7 @@ def report_dms(reading)
         http.request(Net::HTTP::Get.new(uri.request_uri))
       end
     rescue => e
-      puts "Failed to connect to DMS with: #{e.inspect} (#{Time.now})"
+      Rails.logger.debug { "Failed to connect to DMS with: #{e.inspect} (#{Time.current})" }
     end
   end