Add deactivated_at to User model to allow users to be deactivated (#476)

Changes:

* DB migration
* Schema and Model updates
* Change Profile controller to filter out deactivated Users

Author: cenon-delrosario

app/controllers/profiles_controller.rb

@@ -7,6 +7,7 @@ class ProfilesController < ApplicationController
 
   def index
     @profiles = @competition.profiles.published
+      .where("#{User.table_name}.deactivated_at is null")
       .where.not(identifier: [nil, ''])
       .preload(:user)
       .includes(:skills)

app/models/user.rb

@@ -17,6 +17,7 @@
 #  current_sign_in_at              :datetime
 #  current_sign_in_ip              :inet
 #  data_cruncher                   :boolean          default(FALSE)
+#  deactivated_at                  :datetime
 #  dietary_requirements            :text
 #  email                           :string           default(""), not null
 #  encrypted_password              :string           default(""), not null

db/migrate/20250822200000_add_deactivated_at_to_user.rb

@@ -0,0 +1,8 @@
+class AddDeactivatedAtToUser < ActiveRecord::Migration[7.0]
+  def up
+    add_column :users, :deactivated_at, :datetime
+  end
+  def down
+    remove_column :users, :deactivated_at
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2022_07_11_130633) do
+ActiveRecord::Schema[7.0].define(version: 2025_08_22_200000) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -523,6 +523,7 @@
     t.boolean "under_18"
     t.integer "region"
     t.integer "acting_on_behalf_of_id"
+    t.datetime "deactivated_at"
     t.index ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true
     t.index ["email"], name: "index_users_on_email", unique: true
     t.index ["region"], name: "index_users_on_region"

spec/factories/users.rb

@@ -17,6 +17,7 @@
 #  current_sign_in_at              :datetime
 #  current_sign_in_ip              :inet
 #  data_cruncher                   :boolean          default(FALSE)
+#  deactivated_at                  :datetime
 #  dietary_requirements            :text
 #  email                           :string           default(""), not null
 #  encrypted_password              :string           default(""), not null

test/fixtures/users.yml

@@ -15,6 +15,7 @@
 #  current_sign_in_at              :datetime
 #  current_sign_in_ip              :inet
 #  data_cruncher                   :boolean          default(FALSE)
+#  deactivated_at                  :datetime
 #  dietary_requirements            :text
 #  email                           :string           default(""), not null
 #  encrypted_password              :string           default(""), not null

test/models/user_test.rb

@@ -17,6 +17,7 @@
 #  current_sign_in_at              :datetime
 #  current_sign_in_ip              :inet
 #  data_cruncher                   :boolean          default(FALSE)
+#  deactivated_at                  :datetime
 #  dietary_requirements            :text
 #  email                           :string           default(""), not null
 #  encrypted_password              :string           default(""), not null