chore: linting stuff

app/models/ticket.rb

@@ -1,8 +1,22 @@
 class Ticket < ApplicationRecord
+  # Associations
+  belongs_to :user
+  belongs_to :ticket_type
+  has_one :party, through: :ticket_type
+
   # Validations
   validates :qr_code, presence: true, uniqueness: true
-  validates :party_id, presence: true
   validates :user_id, presence: true
+  validates :ticket_type_id, presence: true
   validates :price_cents, presence: true, numericality: { greater_than: 0 }
   validates :status, presence: true, inclusion: { in: %w[active used expired refunded] }
+
+  before_validation :set_price_from_ticket_type, on: :create
+
+  private
+
+  def set_price_from_ticket_type
+    return unless ticket_type
+    self.price_cents = ticket_type.price_cents
+  end
 end

app/models/ticket_type.rb

@@ -1,7 +1,7 @@
 class TicketType < ApplicationRecord
   # Associations
   belongs_to :party
-  has_many :tickets
+  has_many :tickets, dependent: :destroy
 
   # Validations
   validates :name, presence: true, length: { minimum: 3, maximum: 50 }
@@ -12,7 +12,7 @@ class TicketType < ApplicationRecord
   validates :sale_start_at, presence: true
   validates :sale_end_at, presence: true
   validate :sale_end_after_start
-  validates :requires_id, inclusion: { in: [true, false] }
+  validates :requires_id, inclusion: { in: [ true, false ] }
   validates :minimum_age, numericality: { only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: 120 }, allow_nil: true
 
   private

app/models/user.rb

@@ -18,4 +18,8 @@ class User < ApplicationRecord
   # :omniauthable - allows authentication via OAuth providers
   devise :database_authenticatable, :registerable,
          :recoverable, :rememberable, :validatable
+
+  # Relationships
+  has_many :parties, dependent: :destroy
+  has_many :tickets, dependent: :destroy
 end