Added Rubocop and initial config

.rubocop.yml

@@ -0,0 +1,37 @@
+# The behavior of RuboCop can be controlled via the .rubocop.yml
+# configuration file. It makes it possible to enable/disable
+# certain cops (checks) and to alter their behavior if they accept
+# any parameters. The file can be placed either in your home
+# directory or in some project directory.
+#
+# RuboCop will start looking for the configuration file in the directory
+# where the inspected file is and continue its way up to the root directory.
+#
+# See https://docs.rubocop.org/rubocop/configuration
+
+plugins:
+  - rubocop-rails
+
+AllCops:
+  NewCops: enable
+
+Style/StringLiterals:
+  Exclude:
+    - Gemfile # Mostly because of auto-generated files
+
+Bundler/OrderedGems:
+  Enabled: false
+
+Style/Documentation:
+  Enabled: false
+
+Rails/ActionOrder:
+  Enabled: false
+
+Metrics/AbcSize:
+  Exclude:
+    - db/migrate/*.rb
+
+Metrics/MethodLength:
+  Exclude:
+    - db/migrate/*.rb

Gemfile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
@@ -50,4 +52,7 @@ end
 group :development do
   # Use console on exceptions pages [https://github.com/rails/web-console]
   gem "web-console"
+
+  gem 'rubocop', require: false
+  gem 'rubocop-rails', require: false
 end

Gemfile.lock

@@ -72,6 +72,7 @@ GEM
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
       uri (>= 0.13.1)
+    ast (2.4.3)
     base64 (0.3.0)
     bcrypt (3.1.20)
     benchmark (0.4.1)
@@ -124,6 +125,9 @@ GEM
     jbuilder (2.13.0)
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
+    json (2.12.2)
+    language_server-protocol (3.17.0.5)
+    lint_roller (1.1.0)
     logger (1.7.0)
     loofah (2.24.1)
       crass (~> 1.0.2)
@@ -166,9 +170,14 @@ GEM
       racc (~> 1.4)
     nokogiri (1.18.8-x86_64-linux-musl)
       racc (~> 1.4)
+    parallel (1.27.0)
+    parser (3.3.8.0)
+      ast (~> 2.4.1)
+      racc
     pp (0.6.2)
       prettyprint
     prettyprint (0.2.0)
+    prism (1.4.0)
     propshaft (1.1.0)
       actionpack (>= 7.0.0)
       activesupport (>= 7.0.0)
@@ -218,12 +227,35 @@ GEM
       rake (>= 12.2)
       thor (~> 1.0, >= 1.2.2)
       zeitwerk (~> 2.6)
+    rainbow (3.1.1)
     rake (13.3.0)
     rdoc (6.14.1)
       erb
       psych (>= 4.0.0)
+    regexp_parser (2.10.0)
     reline (0.6.1)
       io-console (~> 0.5)
+    rubocop (1.78.0)
+      json (~> 2.3)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.45.1, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.45.1)
+      parser (>= 3.3.7.2)
+      prism (~> 1.4)
+    rubocop-rails (2.32.0)
+      activesupport (>= 4.2.0)
+      lint_roller (~> 1.1)
+      rack (>= 1.1)
+      rubocop (>= 1.75.0, < 2.0)
+      rubocop-ast (>= 1.44.0, < 2.0)
+    ruby-progressbar (1.13.0)
     ruby-vips (2.2.4)
       ffi (~> 1.12)
       logger
@@ -265,6 +297,9 @@ GEM
       railties (>= 7.1.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
+    unicode-display_width (3.1.4)
+      unicode-emoji (~> 4.0, >= 4.0.4)
+    unicode-emoji (4.0.4)
     uri (1.0.3)
     useragent (0.16.11)
     web-console (4.2.1)
@@ -300,6 +335,8 @@ DEPENDENCIES
   propshaft
   puma (>= 5.0)
   rails (~> 8.0.2)
+  rubocop
+  rubocop-rails
   slim
   solid_cable
   solid_cache

app/controllers/passwords_controller.rb

@@ -1,16 +1,17 @@
+# frozen_string_literal: true
+
 class PasswordsController < ApplicationController
   allow_unauthenticated_access
   before_action :set_user_by_token, only: %i[edit update]
 
-  def new
-  end
+  def new; end
 
   def create
     if user = User.find_by(email_address: params[:email_address])
       PasswordsMailer.reset(user).deliver_later
     end
 
-    redirect_to new_session_path, notice: "Password reset instructions sent (if user with that email address exists)."
+    redirect_to new_session_path, notice: 'Password reset instructions sent (if user with that email address exists).'
   end
 
   def edit
@@ -18,16 +19,17 @@ class PasswordsController < ApplicationController
 
   def update
     if @user.update(params.permit(:password, :password_confirmation))
-      redirect_to new_session_path, notice: "Password has been reset."
+      redirect_to new_session_path, notice: 'Password has been reset.'
     else
-      redirect_to edit_password_path(params[:token]), alert: "Passwords did not match."
+      redirect_to edit_password_path(params[:token]), alert: 'Passwords did not match.'
     end
   end
 
   private
+
   def set_user_by_token
     @user = User.find_by_password_reset_token!(params[:token])
   rescue ActiveSupport::MessageVerifier::InvalidSignature
-      redirect_to new_password_path, alert: "Password reset link is invalid or has expired."
+    redirect_to new_password_path, alert: 'Password reset link is invalid or has expired.'
   end
 end

app/controllers/projects_controller.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class ProjectsController < ApplicationController
   before_action :fetch_project!, only: %w[show edit update destroy]
 
@@ -5,8 +7,7 @@ class ProjectsController < ApplicationController
     @projects = Project.all
   end
 
-  def show
-  end
+  def show; end
 
   def new
     @project = Project.new
@@ -21,8 +22,7 @@ class ProjectsController < ApplicationController
     end
   end
 
-  def edit
-  end
+  def edit; end
 
   def update
     if @project.update(project_params)
@@ -32,8 +32,7 @@ class ProjectsController < ApplicationController
     end
   end
 
-  def destroy
-  end
+  def destroy; end
 
   private
 

app/controllers/sessions_controller.rb

@@ -1,16 +1,19 @@
+# frozen_string_literal: true
+
 class SessionsController < ApplicationController
   allow_unauthenticated_access only: %i[new create]
-  rate_limit to: 10, within: 3.minutes, only: :create, with: -> { redirect_to new_session_url, alert: "Try again later." }
+  rate_limit to: 10, within: 3.minutes, only: :create, with: lambda {
+    redirect_to new_session_url, alert: 'Try again later.'
+  }
 
-  def new
-  end
+  def new; end
 
   def create
     if user = User.authenticate_by(params.permit(:email_address, :password))
       start_new_session_for user
       redirect_to after_authentication_url
     else
-      redirect_to new_session_path, alert: "Try another email address or password."
+      redirect_to new_session_path, alert: 'Try another email address or password.'
     end
   end
 

app/models/project.rb

@@ -1,23 +1,18 @@
+# frozen_string_literal: true
+
 class Project < ApplicationRecord
   validates :name, :code, presence: true
   validates :code, exclusion: { in: %w[new] }, uniqueness: true
 
-  has_many :tasks
+  has_many :tasks, dependent: :restrict_with_exception
 
   has_rich_text :description
 
-  before_validation :lowercase_code
+  normalizes :code, with: ->(code) { code.strip.downcase }
 
   def to_param
     return unless id
+
     code
   end
-
-  private
-
-  def lowercase_code
-    return if code.blank?
-
-    self.code = self.code.downcase
-  end
 end

bin/rubocop

@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'rubocop' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
+
+bundle_binstub = File.expand_path("bundle", __dir__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 300).include?("This file was generated by Bundler")
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("rubocop", "rubocop")