add post

db/migrate/20220227194054_create_posts.rb

@@ -0,0 +1,11 @@
+class CreatePosts < ActiveRecord::Migration[7.0]
+  def change
+    create_table :posts do |t|
+      t.text :content, null: true
+      t.references :user, null: false, references: :user, foreign_key: { to_table: :users }
+      t.references :quoted_post, null: true, references: :post, foreign_key: { to_table: :posts }
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -10,10 +10,20 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2022_02_27_175028) do
+ActiveRecord::Schema[7.0].define(version: 2022_02_27_194054) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
+  create_table "posts", force: :cascade do |t|
+    t.text "content"
+    t.bigint "user_id", null: false
+    t.bigint "quoted_post_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["quoted_post_id"], name: "index_posts_on_quoted_post_id"
+    t.index ["user_id"], name: "index_posts_on_user_id"
+  end
+
   create_table "user_follows", force: :cascade do |t|
     t.bigint "follower_id"
     t.bigint "followed_id"
@@ -30,6 +40,8 @@ ActiveRecord::Schema[7.0].define(version: 2022_02_27_175028) do
     t.index ["username"], name: "index_users_on_username"
   end
 
+  add_foreign_key "posts", "posts", column: "quoted_post_id"
+  add_foreign_key "posts", "users"
   add_foreign_key "user_follows", "users", column: "followed_id"
   add_foreign_key "user_follows", "users", column: "follower_id"
 end

db/seeds.rb

@@ -4,3 +4,6 @@ geonizeli = User.find_or_create_by(username: 'geonizeli')
 
 UserFollow.find_or_create_by(follower_id: xpto.id, followed_id: geonizeli.id)
 UserFollow.find_or_create_by(follower_id: geonizeli.id, followed_id: xpto.id)
+
+first_post = Post.find_or_create_by(content: 'Hello World!', user_id: xpto.id)
+Post.find_or_create_by(content: 'Hello World!', user_id: xpto.id, quoted_post_id: first_post.id)