Add summaries to blog posts

app/controllers/blog_posts_controller.rb

@@ -52,6 +52,7 @@ class BlogPostsController < ApplicationController
     params.require(:blog_post).permit(
       :title,
       :content,
+      :summary,
       :published,
       :slug,
     )

app/models/blog_post.rb

@@ -9,6 +9,7 @@ class BlogPost < ApplicationRecord
             :published,
             :slug,
             :content,
+            :summary,
             presence: true
 
   validates :slug, uniqueness: true

app/views/blog_posts/_blog_post.html.erb

@@ -1,6 +1,6 @@
 <div id="blog_post_<%= blog_post.id %>" class="blog_post">
-  <h2><%= blog_post.title %></h2>
-  <%= blog_post.content %>
+  <h2><%= link_to blog_post.title, blog_post %></h2>
+  <p><%= blog_post.summary %></p>
   <div class="created_at">
     <%= link_to "Edit", edit_blog_post_path(blog_post) if blog_post.user == current_user %>
     <%= link_to blog_post.created_at.strftime("%Y-%m-%d %H:%M"), blog_post %>

app/views/blog_posts/_form.html.erb

@@ -5,6 +5,9 @@
 
   <%= f.rich_text_area :content %>
 
+  <%= f.label :summary %>
+  <%= f.text_area :summary %>
+
   <%= f.label :slug %>
   <%= f.text_field :slug %>
 

app/views/blog_posts/show.html.erb

@@ -1,3 +1,10 @@
-<%= render @blog_post %>
+<div id="@blog_post_<%= @blog_post.id %>" class="blog_post">
+  <h2><%= @blog_post.title %></h2>
+  <p><%= @blog_post.content %></p>
+  <div class="created_at">
+    <%= link_to "Edit", edit_blog_post_path(@blog_post) if @blog_post.user == current_user %>
+    <%= link_to @blog_post.created_at.strftime("%Y-%m-%d %H:%M"), @blog_post %>
+  </div>
+</div>
 
 <%= t(".discuss_post_html") %>

db/migrate/20231006070935_add_summary_to_blog_post.rb

@@ -0,0 +1,7 @@
+class AddSummaryToBlogPost < ActiveRecord::Migration[7.1]
+  def change
+    add_column :blog_posts, :summary, :string, null: true
+    BlogPost.update_all(summary: "")
+    change_column_null :blog_posts, :summary, false
+  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_10_05_151621) do
+ActiveRecord::Schema[7.1].define(version: 2023_10_06_070935) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -59,6 +59,7 @@ ActiveRecord::Schema[7.1].define(version: 2023_10_05_151621) do
     t.string "slug", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.string "summary", null: false
     t.index ["user_id"], name: "index_blog_posts_on_user_id"
   end
 

test/fixtures/blog_posts.yml

@@ -3,9 +3,11 @@ published:
   user: trevor
   published: true
   slug: published
+  summary: Published!
 
 draft:
   title: A draft post
   user: trevor
   published: false
   slug: draft
+  summary: Draft!

test/models/blog_post_test.rb

@@ -32,4 +32,9 @@ class BlogPostTest < ActiveSupport::TestCase
     @post.content = nil
     assert_not @post.valid?
   end
+
+  test "must have summary" do
+    @post.summary = nil
+    assert_not @post.valid?
+  end
 end