Create Profile model

app/models/profile.rb

@@ -0,0 +1,29 @@
+class Profile < ApplicationRecord
+  belongs_to :user
+
+  attr_readonly :user_id
+
+  validates :display_name, length: { maximum: 32 }
+  validates :location,     length: { maximum: 72 }
+  validates :description,  length: { maximum: 256 }
+
+  before_save do
+    unless website.blank?
+      self.website = if website.match %r{\Ahttps?://}
+                       website
+                     else
+                       "http://#{website}"
+                     end
+    end
+  end
+
+  def display_website
+    website.match(/https?:\/\/([A-Za-z.\-0-9]+)\/?(?:.*)/i)[1]
+  rescue NoMethodError
+    website
+  end
+
+  def safe_name
+    self.display_name.presence || self.screen_name
+  end
+end

app/models/user.rb

@@ -45,6 +45,7 @@ class User < ApplicationRecord
   has_many :subscriptions, dependent: :destroy
   has_many :totp_recovery_codes, dependent: :destroy
 
+  has_one :profile, dependent: :destroy
   has_one :theme, dependent: :destroy
 
   SCREEN_NAME_REGEX = /\A[a-zA-Z0-9_]{1,16}\z/
@@ -65,14 +66,6 @@ class User < ApplicationRecord
   mount_uploader :profile_header, ProfileHeaderUploader, mount_on: :profile_header_file_name
   process_in_background :profile_header
 
-  before_save do
-    self.website = if website.match %r{\Ahttps?://}
-                     website
-                   else
-                     "http://#{website}"
-                   end unless website.blank?
-  end
-
   # when a user has been deleted, all reports relating to the user become invalid
   before_destroy do
     rep = Report.where(target_id: self.id, type: 'Reports::User')
@@ -169,12 +162,6 @@ class User < ApplicationRecord
     comment.smiles.pluck(:user_id).include? self.id
   end
 
-  def display_website
-    website.match(/https?:\/\/([A-Za-z.\-0-9]+)\/?(?:.*)/i)[1]
-  rescue NoMethodError
-    website
-  end
-
   def comment(answer, content)
     Comment.create!(user: self, answer: answer, content: content)
   end
@@ -253,10 +240,6 @@ class User < ApplicationRecord
     !self.export_processing
   end
 
-  def safe_name
-    self.display_name.presence || self.screen_name
-  end
-
   # %w[admin moderator].each do |m|
   #   define_method(m) { raise "not allowed: #{m}" }
   #   define_method(m+??) { raise "not allowed: #{m}?"}

db/migrate/20211219153054_create_profiles.rb

@@ -0,0 +1,23 @@
+class CreateProfiles < ActiveRecord::Migration[5.2]
+  def change
+    create_table :profiles do |t|
+      t.references :user, index: true, foreign_key: true
+      t.string :display_name, length: 32
+      t.string :description, length: 256
+      t.string :location, length: 72
+      t.string :website
+
+      t.timestamps
+    end
+
+    User.find_each do |user|
+      Profile.create!(
+        user_id: user.id,
+        display_name: user.display_name,
+        description: user.bio,
+        location: user.location,
+        website: user.website,
+      )
+    end
+  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.define(version: 2021_08_11_133004) do
+ActiveRecord::Schema.define(version: 2021_12_19_153054) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -116,6 +116,17 @@ ActiveRecord::Schema.define(version: 2021_08_11_133004) do
     t.datetime "updated_at"
   end
 
+  create_table "profiles", force: :cascade do |t|
+    t.bigint "user_id"
+    t.string "display_name"
+    t.string "description"
+    t.string "location"
+    t.string "website"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["user_id"], name: "index_profiles_on_user_id"
+  end
+
   create_table "questions", id: :bigint, default: -> { "gen_timestamp_id('questions'::text)" }, force: :cascade do |t|
     t.string "content"
     t.boolean "author_is_anonymous"
@@ -296,4 +307,5 @@ ActiveRecord::Schema.define(version: 2021_08_11_133004) do
     t.index ["user_id"], name: "index_users_roles_on_user_id"
   end
 
+  add_foreign_key "profiles", "users"
 end