Rename some things for clarity.

lib/MyApp.pm

@@ -17,8 +17,9 @@ sub startup ($self) {
    $r->get('/auth')->to('auth#index');
    $r->post('/login')->to('auth#login');
    $r->get('/logout')->to('auth#logout');
-   $r->get('/book/page/<page_number:num>')->to('book#index')->name('book_page');
-   $r->get('/author/page/<page_number:num>')->to('book#author')->name('author_page');
+   $r->get('/books/<page_number:num>')->to('book#books')->name('books');
+   $r->get('/authors/<page_number:num>')->to('book#authors')->name('authors');
+   $r->get('/author/<id:num>')->to('book#author')->name('author');
 
    # Put a route under athentication.
    my $auth = $r->under(

lib/MyApp/Controller/Book.pm

@@ -3,7 +3,7 @@ use Mojo::Base 'Mojolicious::Controller', -signatures;
 use MyModel::Book;
 use MyModel::Author;
 
-sub index ($self) {
+sub books ($self) {
    my $page_number = $self->param('page_number') // 1;
    my $book_model = MyModel::Book->new;
    my $book_page = $book_model->get_page($page_number, $self->param('title_like'));
@@ -13,7 +13,7 @@ sub index ($self) {
    );
 }
 
-sub author ($self) {
+sub authors ($self) {
    my $page_number = $self->param('page_number') // 1;
    my $author_model = MyModel::Author->new;
    my $author_page = $author_model->get_page(
@@ -26,4 +26,11 @@ sub author ($self) {
    );
 }
 
+sub author ($self) {
+   my $id = $self->param('id');
+   $self->render(
+      author => MyModel::Author->new->find_by_id($id)
+   );
+}
+
 1;

lib/MyModel/Author.pm

@@ -19,5 +19,12 @@ sub get_page ($self, $page_number = 1, $name_like = undef) {
    return $rs;
 }
 
+sub find_by_id ($self, $id) {
+   return $self->schema->resultset('Author')->find(
+      { id => $id },
+      { prefetch => [ "books" ] },
+   );
+}
+
 no Moose;
 __PACKAGE__->meta->make_immutable;

t/basic.t

@@ -11,7 +11,8 @@ $t->get_ok('/account')->status_is(302);
 $t->get_ok('/auth')->status_is(200)->content_like(qr/login/i);
 $t->post_ok('/login' => form => { logname => 'Dobby' });
 $t->get_ok('/')->status_is(200)->content_like(qr/dobby/i);
-$t->get_ok('/book/page/1')->status_is(200)->content_like(qr/[[:digit:]] books found/i);
+$t->get_ok('/books/1')->status_is(200)->content_like(qr/[[:digit:]] books found/i);
+$t->get_ok('/authors/1')->status_is(200)->content_like(qr/[[:digit:]] authors found/i);
 $t->get_ok('/logout')->status_is(302);
 # Can't do "content_unlike()" so check it offers login now.
 $t->get_ok('/')->status_is(200)->content_like(qr/login/i);

templates/book/author.html.ep

@@ -1,29 +1,5 @@
 % layout 'default';
-% title 'Authors';
-<h1>Author page</h1>
+% title 'Author: ' . $author->name;
+<h1>Author: <%= $author->name %></h1>
 
-<%# On a new search, reset the page number to 1. %>
-%= form_for author_page => { page_number => 1 } => begin
-%= label_for name_like => 'Name like'
-%= text_field name_like => flash('name_like')
-%= submit_button "Search"
-%= end
-
-<p/>
-<%= $pager->total_entries %> authors found.
-
-<p/>
-<div>
-  <table>
-    <tr>
-      <th>Name</th>
-    </tr>
-% for my $author ($author_page->all) {
-    <tr>
-      <td><%= $author->name %></td>
-    </tr>
-% }
-  </table>
-</div>
-
-%= include '_page-navigation'
+<strong><%= $author->name %></strong> wrote <%= $author->books->count %> books.

templates/book/authors.html.ep

@@ -0,0 +1,29 @@
+% layout 'default';
+% title 'Authors';
+<h1>Author page</h1>
+
+<%# On a new search, reset the page number to 1. %>
+%= form_for authors => { page_number => 1 } => begin
+%= label_for name_like => 'Name like'
+%= text_field name_like => flash('name_like')
+%= submit_button "Search"
+%= end
+
+<p/>
+<%= $pager->total_entries %> authors found.
+
+<p/>
+<div>
+  <table>
+    <tr>
+      <th>Name</th>
+    </tr>
+% for my $author ($author_page->all) {
+    <tr>
+      <td><%= link_to($author->name => 'author' => { id => $author->id}) %></td>
+    </tr>
+% }
+  </table>
+</div>
+
+%= include '_page-navigation'

templates/book/books.html.ep

@@ -3,7 +3,7 @@
 <h1>Book page</h1>
 
 <%# On a new search, reset the page number to 1. %>
-%= form_for book_page => { page_number => 1 } => begin
+%= form_for books => { page_number => 1 } => begin
 %= label_for title_like => 'Title like'
 %= text_field title_like => flash('title_like')
 %= submit_button "Search"

templates/home/index.html.ep

@@ -5,8 +5,8 @@
 <p>Pages that don't require login:</p>
 
 <p><%= link_to("About" => 'about') %></p>
-<p><%= link_to("Books" => 'book_page' => { page_number => 1 }) %></p>
-<p><%= link_to("Authors" => 'author_page' => { page_number => 1 }) %></p>
+<p><%= link_to("Books" => 'books' => { page_number => 1 }) %></p>
+<p><%= link_to("Authors" => 'authors' => { page_number => 1 }) %></p>
 
 <p>For this, you'll need to log in, then MyApp will redirect you:</p>
 <p><%= link_to("Account" => 'account') %></p>