Add BlogPost model

Also fleshed out Micropost tests.

app/models/blog_post.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class BlogPost < ApplicationRecord
+  belongs_to :user
+  has_rich_text :content
+
+  validates :title,
+            :user,
+            :published,
+            :slug,
+            :content,
+            presence: true
+
+  validates :slug, uniqueness: true
+
+  def to_param
+    slug
+  end
+end

app/models/micropost.rb

@@ -4,5 +4,7 @@ class Micropost < ApplicationRecord
   belongs_to :user
   has_rich_text :content
 
-  validates :user, presence: true
+  validates :user,
+            :content,
+            presence: true
 end

db/migrate/20231005151621_create_blog_posts.rb

@@ -0,0 +1,12 @@
+class CreateBlogPosts < ActiveRecord::Migration[7.1]
+  def change
+    create_table :blog_posts do |t|
+      t.string :title, null: false
+      t.references :user, null: false, foreign_key: true
+      t.boolean :published, null: false, default: false
+      t.string :slug, null: false
+
+      t.timestamps
+    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[7.1].define(version: 2023_09_29_145226) do
+ActiveRecord::Schema[7.1].define(version: 2023_10_05_151621) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -52,6 +52,16 @@ ActiveRecord::Schema[7.1].define(version: 2023_09_29_145226) do
     t.index ["blob_id", "variation_digest"], name: "index_active_storage_variant_records_uniqueness", unique: true
   end
 
+  create_table "blog_posts", force: :cascade do |t|
+    t.string "title", null: false
+    t.bigint "user_id", null: false
+    t.boolean "published", default: false, null: false
+    t.string "slug", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["user_id"], name: "index_blog_posts_on_user_id"
+  end
+
   create_table "microposts", force: :cascade do |t|
     t.bigint "user_id", null: false
     t.datetime "created_at", null: false
@@ -74,5 +84,6 @@ ActiveRecord::Schema[7.1].define(version: 2023_09_29_145226) do
 
   add_foreign_key "active_storage_attachments", "active_storage_blobs", column: "blob_id"
   add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
+  add_foreign_key "blog_posts", "users"
   add_foreign_key "microposts", "users"
 end

test/fixtures/action_text/rich_texts.yml

@@ -2,3 +2,11 @@ one:
   record: one (Micropost)
   name: content
   body: <p>Just some text</p>
+published_blog_post:
+  record: published (BlogPost)
+  name: content
+  body: <p>Just some text</p>
+draft_blog_post:
+  record: draft (BlogPost)
+  name: content
+  body: <p>Just some text</p>

test/fixtures/blog_posts.yml

@@ -0,0 +1,11 @@
+published:
+  title: A published post
+  user: trevor
+  published: true
+  slug: published
+
+draft:
+  title: A draft post
+  user: trevor
+  published: false
+  slug: draft

test/models/blog_post_test.rb

@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+class BlogPostTest < ActiveSupport::TestCase
+  setup do
+    @post = blog_posts(:published)
+    assert @post.valid?
+  end
+
+  test "must have a title" do
+    @post.title = nil
+    assert_not @post.valid?
+  end
+
+  test "must have a user" do
+    @post.user = nil
+    assert_not @post.valid?
+  end
+
+  test "must have a published status" do
+    @post.published = nil
+    assert_not @post.valid?
+  end
+
+  test "must have a slug" do
+    @post.slug = nil
+    assert_not @post.valid?
+  end
+
+  test "must have content" do
+    @post.content = nil
+    assert_not @post.valid?
+  end
+end

test/models/micropost_test.rb

@@ -1,7 +1,20 @@
+# frozen_string_literal: true
+
 require "test_helper"
 
 class MicropostTest < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
+  setup do
+    @micropost = microposts(:one)
+    assert @micropost.valid?
+  end
+
+  test "must have a user" do
+    @micropost.user = nil
+    assert_not @micropost.valid?
+  end
+
+  test "must have content" do
+    @micropost.content = nil
+    assert_not @micropost.valid?
+  end
 end