Make open source

app/models/admin_user.rb

@@ -0,0 +1,9 @@
+#
+# ActiveAdmin console user.
+#
+class AdminUser < ApplicationRecord
+  # Include default devise modules. Others available are:
+  # :confirmable, :lockable, :timeoutable and :omniauthable
+  devise :database_authenticatable,
+         :recoverable, :rememberable, :trackable, :validatable
+end

app/models/application_record.rb

@@ -0,0 +1,3 @@
+class ApplicationRecord < ActiveRecord::Base
+  self.abstract_class = true
+end

app/models/attendee.rb

@@ -0,0 +1,7 @@
+#
+# A guest or plus one.
+#
+class Attendee < ApplicationRecord
+  scope :diet?, -> { where.not(diet: nil) }
+  scope :child?, -> { where(child: true) }
+end

app/models/concerns/findable_with_token.rb

@@ -0,0 +1,27 @@
+#
+# Make a model findable only when a secure token is provided.
+#
+module FindableWithToken
+  extend ActiveSupport::Concern
+
+  ID_TOKEN_RX = /\A(\d+)-(\w+)\z/
+
+  included do
+    has_secure_token
+
+    def to_param
+      id ? "#{id}-#{token}" : nil
+    end
+
+    def self.find_by_id_token(id_token)
+      raise ActiveRecord::RecordNotFound unless id_token =~ ID_TOKEN_RX
+      id = Regexp.last_match(1)
+      token = Regexp.last_match(2)
+
+      record = find(id)
+      raise ActiveRecord::RecordNotFound unless
+        ActiveSupport::SecurityUtils.secure_compare(record.token, token)
+      record
+    end
+  end
+end

app/models/guest.rb

@@ -0,0 +1,41 @@
+#
+# A primary guest.
+#
+class Guest < ApplicationRecord
+  include FindableWithToken
+
+  auto_strip_attributes :email, :first_name, :last_name, :diet, :songs, :notes
+
+  validates :email, presence: true, uniqueness: true
+  validates :email, format: Devise.email_regexp, allow_blank: true
+
+  validates :first_name, presence: true, if: :persisted?
+  validates :first_name, length: { maximum: 1024 }
+  validates :last_name, presence: true, if: :persisted?
+  validates :last_name, length: { maximum: 1024 }
+
+  def name
+    "#{first_name} #{last_name}"
+  end
+
+  def name_with_email
+    "#{name} <#{email}>"
+  end
+
+  # Don't allow long or odd names in emails; may be spam.
+  def email_safe_salutation
+    return 'Hello,' if
+      first_name.blank? || first_name !~ /\A[\p{Word}\s'-]{1,30}\z/i
+    "Dear #{first_name},"
+  end
+
+  validates :diet, length: { maximum: 8192 }
+  validates :songs, length: { maximum: 8192 }
+  validates :notes, length: { maximum: 8192 }
+
+  has_many :plus_ones, dependent: :destroy
+
+  scope :confirmed, -> { where.not(confirmed_at: nil) }
+  scope :attending, -> { confirmed.where(attending: true) }
+  scope :not_attending, -> { confirmed.where(attending: false) }
+end

app/models/plus_one.rb

@@ -0,0 +1,19 @@
+#
+# An extra guest.
+#
+class PlusOne < ApplicationRecord
+  belongs_to :guest
+
+  auto_strip_attributes :first_name, :last_name, :diet
+
+  validates :first_name, presence: true
+  validates :first_name, length: { maximum: 1024 }
+  validates :last_name, presence: true
+  validates :last_name, length: { maximum: 1024 }
+
+  def name
+    "#{first_name} #{last_name}"
+  end
+
+  validates :diet, length: { maximum: 8192 }
+end