Update example blog application from guides

.github/workflows/rspec.yml

@@ -32,7 +32,7 @@ jobs:
           - 5432:5432
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1

building-a-web-application/.ruby-version

@@ -1 +1 @@
-3.2.2
+3.3.5

building-a-web-application/Gemfile

@@ -1,17 +1,15 @@
 source "https://rubygems.org"
-git_source(:github) { |repo| "https://github.com/#{repo}.git" }
-
-ruby "3.2.2"
+ruby file: ".ruby-version"
 
 gem 'rake'
 # let's use the latest and greatest
-gem 'sequent', github: 'zilverline/sequent'
+gem 'sequent'
+
 gem 'sinatra'
 gem 'sinatra-flash'
 gem 'sinatra-contrib'
-gem 'activerecord'
-gem 'activemodel'
 gem 'webrick'
+gem 'rackup'
 
 group :test do
   gem 'rspec'

building-a-web-application/Gemfile.lock

@@ -1,112 +1,131 @@
-GIT
-  remote: https://github.com/zilverline/sequent.git
-  revision: 498812fb86edd319310be5b6ea2d53719e81cf14
-  specs:
-    sequent (7.0.1)
-      activemodel (>= 5.0, < 7.2)
-      activerecord (>= 5.0, < 7.2)
-      bcrypt (~> 3.1)
-      i18n
-      oj (~> 3)
-      parallel (~> 1.20)
-      parser (>= 2.6.5, < 3.3)
-      pg (~> 1.2)
-      postgresql_cursor (~> 0.6)
-      thread_safe (~> 0.3.6)
-      tzinfo (~> 2.0)
-
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (7.0.8)
-      activesupport (= 7.0.8)
-    activerecord (7.0.8)
-      activemodel (= 7.0.8)
-      activesupport (= 7.0.8)
-    activesupport (7.0.8)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
+    activemodel (7.2.1.1)
+      activesupport (= 7.2.1.1)
+    activerecord (7.2.1.1)
+      activemodel (= 7.2.1.1)
+      activesupport (= 7.2.1.1)
+      timeout (>= 0.4.0)
+    activesupport (7.2.1.1)
+      base64
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.3.1)
+      connection_pool (>= 2.2.5)
+      drb
       i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
       minitest (>= 5.1)
-      tzinfo (~> 2.0)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
     ast (2.4.2)
-    bcrypt (3.1.19)
-    concurrent-ruby (1.2.2)
-    database_cleaner (2.0.1)
-      database_cleaner-active_record (~> 2.0.0)
-    database_cleaner-active_record (2.0.1)
+    base64 (0.2.0)
+    bcrypt (3.1.20)
+    bigdecimal (3.1.8)
+    concurrent-ruby (1.3.4)
+    connection_pool (2.4.1)
+    database_cleaner (2.0.2)
+      database_cleaner-active_record (>= 2, < 3)
+    database_cleaner-active_record (2.2.0)
       activerecord (>= 5.a)
       database_cleaner-core (~> 2.0.0)
     database_cleaner-core (2.0.1)
-    diff-lcs (1.5.0)
-    i18n (1.14.1)
+    diff-lcs (1.5.1)
+    drb (2.2.1)
+    i18n (1.14.6)
       concurrent-ruby (~> 1.0)
-    minitest (5.20.0)
+    logger (1.6.1)
+    minitest (5.25.1)
     multi_json (1.15.0)
-    mustermann (3.0.0)
+    mustermann (3.0.3)
       ruby2_keywords (~> 0.0.1)
-    oj (3.16.1)
-    parallel (1.23.0)
-    parser (3.2.2.4)
+    oj (3.16.6)
+      bigdecimal (>= 3.0)
+      ostruct (>= 0.2)
+    ostruct (0.6.0)
+    parallel (1.26.3)
+    parser (3.3.5.0)
       ast (~> 2.4.1)
       racc
-    pg (1.5.4)
-    postgresql_cursor (0.6.8)
+    pg (1.5.8)
+    postgresql_cursor (0.6.9)
       activerecord (>= 6.0)
-    racc (1.7.3)
-    rack (2.2.8.1)
-    rack-protection (3.0.4)
-      rack
-    rake (13.0.6)
-    rspec (3.11.0)
-      rspec-core (~> 3.11.0)
-      rspec-expectations (~> 3.11.0)
-      rspec-mocks (~> 3.11.0)
-    rspec-core (3.11.0)
-      rspec-support (~> 3.11.0)
-    rspec-expectations (3.11.1)
+    racc (1.8.1)
+    rack (3.1.7)
+    rack-protection (4.0.0)
+      base64 (>= 0.1.0)
+      rack (>= 3.0.0, < 4)
+    rack-session (2.0.0)
+      rack (>= 3.0.0)
+    rackup (2.1.0)
+      rack (>= 3)
+      webrick (~> 1.8)
+    rake (13.2.1)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.1)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.3)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.11.0)
-    rspec-mocks (3.11.1)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.2)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.11.0)
-    rspec-support (3.11.1)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.1)
     ruby2_keywords (0.0.5)
-    sinatra (3.0.4)
+    securerandom (0.3.1)
+    sequent (7.1.1)
+      activemodel (>= 6.0)
+      activerecord (>= 6.0)
+      bcrypt (~> 3.1)
+      i18n
+      oj (~> 3)
+      parallel (~> 1.20)
+      parser (>= 2.6.5, < 3.4)
+      pg (~> 1.2)
+      postgresql_cursor (~> 0.6)
+      thread_safe (~> 0.3.6)
+      tzinfo (>= 1.1)
+    sinatra (4.0.0)
       mustermann (~> 3.0)
-      rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.0.4)
+      rack (>= 3.0.0, < 4)
+      rack-protection (= 4.0.0)
+      rack-session (>= 2.0.0, < 3)
       tilt (~> 2.0)
-    sinatra-contrib (3.0.4)
-      multi_json
+    sinatra-contrib (4.0.0)
+      multi_json (>= 0.0.2)
       mustermann (~> 3.0)
-      rack-protection (= 3.0.4)
-      sinatra (= 3.0.4)
+      rack-protection (= 4.0.0)
+      sinatra (= 4.0.0)
       tilt (~> 2.0)
     sinatra-flash (0.3.0)
       sinatra (>= 1.0.0)
     thread_safe (0.3.6)
-    tilt (2.2.0)
+    tilt (2.4.0)
+    timeout (0.4.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     webrick (1.8.2)
 
 PLATFORMS
-  ruby
+  arm64-darwin-23
+  x86_64-linux
 
 DEPENDENCIES
-  activemodel
-  activerecord
   database_cleaner
+  rackup
   rake
   rspec
-  sequent!
+  sequent
   sinatra
   sinatra-contrib
   sinatra-flash
   webrick
 
 RUBY VERSION
-   ruby 3.2.2p53
+   ruby 3.3.5p100
 
 BUNDLED WITH
-   2.1.4
+   2.5.21

building-a-web-application/app/database.rb

@@ -1,16 +1,9 @@
+require 'sequent'
 
 class Database
   class << self
-    # def database_config(env = ENV['RACK_ENV'])
-    #   @config ||= YAML.safe_load(ERB.new(File.read('db/database.yml')).result, aliases: true)[env]
-    # end
-
-    def establish_connection(env = ENV['RACK_ENV'])
+    def establish_connection(env = ENV['SEQUENT_ENV'])
       Sequent::Support::Database.connect!(env)
-      # config = database_config(env)
-      # yield(config) if block_given?
-      # ActiveRecord::Base.configurations[env.to_s] = config.stringify_keys
-      # ActiveRecord::Base.establish_connection config
     end
   end
 end

building-a-web-application/app/projectors/author_projector.rb

@@ -14,15 +14,15 @@ class AuthorProjector < Sequent::Projector
   on AuthorNameSet do |event|
     update_all_records(
       AuthorRecord,
-      {aggregate_id: event.aggregate_id},
+      { aggregate_id: event.aggregate_id },
       event.attributes.slice(:name)
     )
   end
 
   on AuthorEmailSet do |event|
     update_all_records(
       AuthorRecord,
-      {aggregate_id: event.aggregate_id},
+      { aggregate_id: event.aggregate_id },
       event.attributes.slice(:email)
     )
   end

building-a-web-application/app/projectors/post_projector.rb

@@ -9,11 +9,7 @@ class PostProjector < Sequent::Projector
   end
 
   on PostAuthorChanged do |event|
-    update_all_records(
-      PostRecord,
-      {aggregate_id: event.aggregate_id},
-      event.attributes.slice(:author_aggregate_id)
-    )
+    update_all_records(PostRecord, {aggregate_id: event.aggregate_id}, event.attributes.slice(:author_aggregate_id))
   end
 
   on PostTitleChanged do |event|

building-a-web-application/app/records/author_record.rb

@@ -1,3 +1,3 @@
-class AuthorRecord < ActiveRecord::Base
-  has_many :post_records, foreign_key: :author_aggregate_id, primary_key: :aggregate_id
+class AuthorRecord < Sequent::ApplicationRecord
+  has_many :post_records, foreign_key: 'author_aggregate_id', primary_key: 'aggregate_id'
 end

building-a-web-application/app/records/post_record.rb

@@ -1,2 +1,2 @@
-class PostRecord < ActiveRecord::Base
+class PostRecord < Sequent::ApplicationRecord
 end

building-a-web-application/app/views/authors/index.erb

@@ -1,23 +1,27 @@
-<p>
-  Back to <a href="/">index</a>
-</p>
-<table class="table">
-  <thead>
-    <tr>
-      <th>ID</th>
-      <th>Name</th>
-      <th>E-mail</th>
-    </tr>
-  </thead>
-  <tbody>
-    <% @authors.each do |author| %>
-      <tr>
-        <td>
-          <a href="/authors/id/<%= author.aggregate_id %>"><%= h author.aggregate_id %></a>
-        </td>
-        <td><%= h author.name %></td>
-        <td><%= h author.email %></td>
-      </tr>
-    <% end %>
-  </tbody>
-</table>
+<html>
+  <body>
+    <p>
+      Back to <a href="/">index</a>
+    </p>
+    <table class="table">
+      <thead>
+        <tr>
+          <th>ID</th>
+          <th>Name</th>
+          <th>E-mail</th>
+        </tr>
+      </thead>
+      <tbody>
+        <% @authors.each do |author| %>
+          <tr>
+            <td>
+              <a href="/authors/<%= author.aggregate_id %>"><%= h author.aggregate_id %></a>
+            </td>
+            <td><%= h author.name %></td>
+            <td><%= h author.email %></td>
+          </tr>
+        <% end %>
+      </tbody>
+    </table>
+  </body>
+</html>

building-a-web-application/app/views/authors/show.erb

@@ -6,16 +6,16 @@
 
   <table class="table">
     <tbody>
-      <% @author.post_records.order(:id).each do |post_record| %>
-        <tr>
-          <td><%= h post_record.title %></td>
-          <td>
-            <a href="<%= "/authors/id/#{@author.aggregate_id}/post/#{post_record.aggregate_id}" %>">
-              <%= h post_record.aggregate_id %>
-            </a>
-          </td>
-        </tr>
-      <% end %>
+    <% @author.post_records.order(:id).each do |post_record| %>
+      <tr>
+        <td><%= h post_record.title %></td>
+        <td>
+          <a href="<%= "/authors/id/#{@author.aggregate_id}/post/#{post_record.aggregate_id}" %>">
+            <%= h post_record.aggregate_id %>
+          </a>
+        </td>
+      </tr>
+    <% end %>
     </tbody>
   </table>