Run Rubocop autocorrect on app/models

.rubocop.yml

@@ -18,4 +18,6 @@ RSpec/ExampleLength:
 Metrics/ModuleLength:
   Enabled: false
 RSpec/MultipleMemoizedHelpers:
+  Enabled: false
+Style/Documentation:
   Enabled: false

app/models/application_record.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Copyright (C) 2024 Manuel Bustillo
 
 class ApplicationRecord < ActiveRecord::Base

app/models/expense.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Copyright (C) 2024 Manuel Bustillo
 
 # == Schema Information

app/models/group.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Copyright (C) 2024 Manuel Bustillo
 
 # == Schema Information
@@ -31,7 +33,7 @@ class Group < ApplicationRecord
   validates :name, uniqueness: true
   validates :name, :order, presence: true
 
-  has_many :children, class_name: 'Group', foreign_key: 'parent_id'
+  has_many :children, class_name: 'Group', foreign_key: 'parent_id', dependent: :nullify, inverse_of: :parent
   belongs_to :parent, class_name: 'Group', optional: true
 
   before_create :set_color
@@ -41,10 +43,7 @@ class Group < ApplicationRecord
   has_many :guests, dependent: :nullify
 
   def colorize_children(generation = 1)
-    derived_colors = generation == 1 ? color.paint.palette.analogous(size: children.count) : color.paint.palette.decreasing_saturation
-
-    children.zip(derived_colors) do |child, raw_color|
-
+    children.zip(palette(generation)) do |child, raw_color|
       final_color = raw_color.paint
       final_color.brighten(60) if final_color.dark?
 
@@ -53,13 +52,21 @@ class Group < ApplicationRecord
       child.colorize_children(generation + 1)
     end
   end
-  
+
   def affinities
     GroupAffinity.where(group_a_id: id).or(GroupAffinity.where(group_b_id: id))
   end
 
   private
 
+  def palette(generation)
+    if generation == 1
+      color.paint.palette.analogous(size: children.count)
+    else
+      color.paint.palette.decreasing_saturation
+    end
+  end
+
   def set_color
     return if color.present?
 

app/models/group_affinity.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Copyright (C) 2024 Manuel Bustillo
 
 # == Schema Information
@@ -30,7 +32,8 @@ class GroupAffinity < ApplicationRecord
   belongs_to :group_a, class_name: 'Group'
   belongs_to :group_b, class_name: 'Group'
 
-  validates :discomfort, numericality: { greater_than_or_equal_to: MIN_DISCOMFORT, less_than_or_equal_to: MAX_DISCOMFORT }
+  validates :discomfort,
+            numericality: { greater_than_or_equal_to: MIN_DISCOMFORT, less_than_or_equal_to: MAX_DISCOMFORT }
 
   def another_group(group)
     return nil if group != group_a && group != group_b

app/models/guest.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Copyright (C) 2024 Manuel Bustillo
 
 # == Schema Information
@@ -39,8 +41,8 @@ class Guest < ApplicationRecord
 
   scope :potential, -> { where.not(status: %i[declined considered]) }
 
-  after_save :recalculate_simulations, if: :saved_change_to_status?
   after_destroy :recalculate_simulations
+  after_save :recalculate_simulations, if: :saved_change_to_status?
 
   has_many :seats, dependent: :delete_all
 

app/models/seat.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Copyright (C) 2024 Manuel Bustillo
 
 # == Schema Information

app/models/tables_arrangement.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Copyright (C) 2024 Manuel Bustillo
 
 # == Schema Information
@@ -21,7 +23,7 @@
 #
 class TablesArrangement < ApplicationRecord
   acts_as_tenant :wedding
-  has_many :seats
+  has_many :seats, dependent: :delete_all
   has_many :guests, through: :seats
 
   before_create :assign_name

app/models/user.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Copyright (C) 2024 Manuel Bustillo
 
 # == Schema Information

app/models/wedding.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Copyright (C) 2024 Manuel Bustillo
 
 # == Schema Information