Chapter 3: End of chapter

app/controllers/projects/projects_controller.rb

@@ -1,5 +1,13 @@
 module Projects
   class ProjectsController < ApplicationController
+    def index
+      @projects = repo.all
+    end
+
+    def show
+      @project = repo.by_id(params[:id])
+    end
+
     def new
       @project = Projects::Project.new
     end

app/relations/project_relation.rb

@@ -5,7 +5,7 @@ class ProjectRelation < ROM::Relation[:sql]
 
   # define your methods here ie:
   #
-  # def all
-  #   select(:id, :name).order(:id)
-  # end
+  def all
+    select(:id, :name).order(:id)
+  end
 end

app/repositories/project_repository.rb

@@ -4,4 +4,12 @@ class ProjectRepository < ROM::Repository::Root
   commands :create, update: :by_pk, delete: :by_pk
 
   struct_namespace Projects
+
+  def all
+    projects.all
+  end
+
+  def by_id(id)
+    projects.by_pk(id).one!
+  end
 end

app/views/projects/projects/index.html.erb

@@ -1,3 +1,9 @@
 <h2>Projects</h2>
 
 <%= link_to "New Project", new_projects_project_path, class: "btn btn-primary" %>
+
+<ul>
+  <% @projects.each do |project| %>
+    <li><%= link_to project.name, project %></li>
+  <% end %>
+</ul>

app/views/projects/projects/show.html.erb

@@ -0,0 +1 @@
+<h2><%= @project.name %></h2>

projects.rb

@@ -0,0 +1,4 @@
+repo = ProjectRepository.new(ROM.env)
+project = repo.all.first
+puts project.class.to_s == "Projects::Project"
+puts project.respond_to?(:to_model)

spec/features/projects/viewing_spec.rb

@@ -0,0 +1,15 @@
+require "rails_helper"
+
+RSpec.feature "Users can view projects" do
+  let(:project_repo) { ProjectRepository.new(ROM.env) }
+  let!(:project) { project_repo.create(name: "Sublime Text 3") }
+
+  scenario "with the project details" do
+    visit "/"
+    click_link "Sublime Text 3"
+    expect(page.current_url).to eq projects_project_url(project)
+    within("h2") do
+      expect(page).to have_content("Sublime Text 3")
+    end
+  end
+end