created user model

app/models/article.rb

@@ -1,6 +1,7 @@
 class Article < ApplicationRecord
   include Visible
   
+  belongs_to: :user
   has_many :comments, dependent: :destroy
 
   validates :title, presence: true

app/models/user.rb

@@ -1,3 +1,5 @@
 class User < ApplicationRecord
+  has_many :articles, dependent: :destroy
+  
   has_secure_password
 end

db/migrate/20240807144034_create_users.rb

@@ -1,6 +1,9 @@
 class CreateUsers < ActiveRecord::Migration[7.1]
   def change
     create_table :users do |t|
+      t.string :username
+      t.string :email
+      t.string :password_digest
 
       t.timestamps
     end

db/migrate/20240807145348_add_user_reference_to_articles.rb

@@ -0,0 +1,5 @@
+class AddUserReferenceToArticles < ActiveRecord::Migration[7.1]
+  def change
+    add_reference :articles, :user, foreign_key: true
+  end
+end

db/schema.rb

@@ -10,13 +10,15 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2024_08_07_123956) do
+ActiveRecord::Schema[7.1].define(version: 2024_08_07_145348) do
   create_table "articles", force: :cascade do |t|
     t.string "title"
     t.text "body"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.string "status"
+    t.integer "user_id"
+    t.index ["user_id"], name: "index_articles_on_user_id"
   end
 
   create_table "comments", force: :cascade do |t|
@@ -29,5 +31,14 @@ ActiveRecord::Schema[7.1].define(version: 2024_08_07_123956) do
     t.index ["article_id"], name: "index_comments_on_article_id"
   end
 
+  create_table "users", force: :cascade do |t|
+    t.string "username"
+    t.string "email"
+    t.string "password_digest"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
+  add_foreign_key "articles", "users"
   add_foreign_key "comments", "articles"
 end