Add role enum to user

app/models/user.rb

@@ -231,6 +231,10 @@ class User < ApplicationRecord
   # Note: When adding an option, it MUST go on the end of the array.
   enum project_view: [:readme, :activity, :files]
 
+  # User's Project preference
+  # Note: When adding an option, it MUST go on the end of the array.
+  enum role: [:software_developer, :development_team_lead, :devops_engineer, :systems_administrator, :security_analyst, :data_analyst, :product_manager, :product_designer, :other]
+
   delegate :path, to: :namespace, allow_nil: true, prefix: true
   delegate :notes_filter_for, to: :user_preference
   delegate :set_notes_filter, to: :user_preference

db/migrate/20190912223232_add_role_to_users.rb

+# frozen_string_literal: true
+
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class AddRoleToUsers < ActiveRecord::Migration[5.2]
+  include Gitlab::Database::MigrationHelpers
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+
+  # When a migration requires downtime you **must** uncomment the following
+  # constant and define a short and easy to understand explanation as to why the
+  # migration requires downtime.
+  # DOWNTIME_REASON = ''
+
+  # When using the methods "add_concurrent_index", "remove_concurrent_index" or
+  # "add_column_with_default" you must disable the use of transactions
+  # as these methods can not run in an existing transaction.
+  # When using "add_concurrent_index" or "remove_concurrent_index" methods make sure
+  # that either of them is the _only_ method called in the migration,
+  # any other changes should go in a separate migration.
+  # This ensures that upon failure _only_ the index creation or removing fails
+  # and can be retried or reverted easily.
+  #
+  # To disable transactions uncomment the following line and remove these
+  # comments:
+  # disable_ddl_transaction!
+
+  def change
+    add_column :users, :role, :integer
+  end
+end

db/schema.rb

@@ -3722,6 +3722,7 @@ ActiveRecord::Schema.define(version: 2019_10_16_072826) do
     t.string "first_name", limit: 255
     t.string "last_name", limit: 255
     t.string "static_object_token", limit: 255
+    t.integer "role"
     t.index "lower((name)::text)", name: "index_on_users_name_lower"
     t.index ["accepted_term_id"], name: "index_users_on_accepted_term_id"
     t.index ["admin"], name: "index_users_on_admin"