From e3727eb6b27a96c769cdafa8e06bb5eef5f395b4 Mon Sep 17 00:00:00 2001
From: f <f@sutty.nl>
Date: Thu, 25 Mar 2021 19:17:34 -0300
Subject: [PATCH] =?UTF-8?q?no=20permitir=20art=C3=ADculos=20duplicados?=
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---
 app/models/post.rb       | 12 ++++++++++++
 test/models/post_test.rb | 17 +++++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/app/models/post.rb b/app/models/post.rb
index 3b25c1f..cb637f9 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -267,6 +267,18 @@ class Post
     return false if validate && !valid?
     # Salir si tenemos que cambiar el nombre del archivo y no pudimos
     return false if !new? && path.changed? && !update_path!
+
+    # Si el archivo va a estar duplicado, agregar un número al slug
+    if new? && written?
+      original_slug = slug.value
+      count = 1
+
+      while written?
+        count += 1
+        slug.value = "#{original_slug}-#{count}"
+      end
+    end
+
     return false unless save_attributes!
     return false unless write
 
diff --git a/test/models/post_test.rb b/test/models/post_test.rb
index ab7dd51..f98d7af 100644
--- a/test/models/post_test.rb
+++ b/test/models/post_test.rb
@@ -181,4 +181,21 @@ class PostTest < ActiveSupport::TestCase
     assert_equal title, post.content.value
     assert post.save
   end
+
+  test 'no se pueden repetir los nombres' do
+    title = SecureRandom.hex
+    post = @site.posts.build(title: title,
+                             description: title,
+                             content: title)
+
+    slug = post.slug.value
+
+    assert post.save
+
+    another_post = @site.posts.build(title: title, description: title, content: title)
+
+    assert_equal slug, another_post.slug.value
+    assert another_post.save
+    assert_not_equal slug, another_post.slug.value
+  end
 end