chore: init commit

in worker.../repo/GITFOLDER.zip is the .git folder.

worker-toolkit-stocks-in-the-future/repo/app/models/user.rb

@@ -0,0 +1,83 @@
+# frozen_string_literal: true
+
+class User < ApplicationRecord
+  include Discard::Model
+
+  def destroy(*)
+    soft_delete_guard
+    discard
+  end
+
+  def destroy!(*)
+    soft_delete_guard
+    discard
+  end
+
+  def really_destroy!
+    ActiveRecord::Base.instance_method(:destroy).bind(self).call
+  end
+
+  belongs_to :classroom, optional: true
+
+  # Allow calling `user.school` (used in portfolio view) via the classroom's associated school.
+  # This prevents undefined method errors for Student records without directly adding a belongs_to.
+  delegate :school, to: :classroom, allow_nil: true
+  delegate :name, to: :school, prefix: :school, allow_nil: true
+  delegate :trading_enabled?, to: :classroom, allow_nil: true
+
+  has_one :portfolio, dependent: :destroy
+  accepts_nested_attributes_for :portfolio
+  has_many :orders, dependent: :destroy
+
+  # Include default devise modules. Others available are:
+  # :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
+  devise :database_authenticatable, :registerable,
+         :recoverable, :rememberable, :validatable
+
+  validates :email, uniqueness: true, presence: false, allow_blank: true
+  validates :username, presence: true, uniqueness: true
+  validates :type, inclusion: { in: %w[User Student Teacher] }
+
+  scope :students, -> { where(type: "Student") }
+  scope :teachers, -> { where(type: "Teacher") }
+  scope :admins, -> { where(admin: true) }
+
+  def student?
+    type == "Student"
+  end
+
+  def teacher?
+    type == "Teacher"
+  end
+
+  def teacher_or_admin?
+    teacher? || admin?
+  end
+
+  def display_name
+    username.presence || email&.split("@")&.first || "User"
+  end
+
+  def email_required?
+    teacher? || admin?
+  end
+
+  def email_changed?
+    false
+  end
+
+  def holding?(stock)
+    portfolio&.shares_owned(stock.id)&.positive?
+  end
+
+  private
+
+  def soft_delete_guard
+    return if Rails.env.production?
+
+    raise <<~MSG.squish
+      ❌  Hard delete attempted on #{self.class}. Use #discard instead,
+      or #really_destroy! if you are ABSOLUTELY sure you need a hard delete.
+    MSG
+  end
+end