From 65808633a2e0259b54cefb268ebf79418b49e67c Mon Sep 17 00:00:00 2001
From: Star Rauchenberger <fefferburbia@gmail.com>
Date: Sun, 5 Nov 2023 20:32:13 -0500
Subject: Added forward and back links to blog posts

---
 app/assets/stylesheets/main/entries.scss | 24 ++++++++++++++++++++++++
 app/controllers/blogs_controller.rb      |  3 +++
 app/models/blog.rb                       |  8 ++++++++
 app/views/blogs/show.html.haml           |  6 +++++-
 4 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/app/assets/stylesheets/main/entries.scss b/app/assets/stylesheets/main/entries.scss
index 3b7215c..fd03de9 100644
--- a/app/assets/stylesheets/main/entries.scss
+++ b/app/assets/stylesheets/main/entries.scss
@@ -426,3 +426,27 @@
     text-decoration: none;
   }
 }
+
+.back-post, .next-post {
+  margin-left: 1em;
+  margin-bottom: 1em;
+  margin-right: 1em;
+
+  a, a:visited {
+    color: #555d66;
+    text-decoration: none;
+    font-size: .75em;
+  }
+
+  a:hover {
+    text-decoration: underline;
+  }
+}
+
+.back-post {
+  float: left;
+}
+
+.next-post {
+  float: right;
+}
diff --git a/app/controllers/blogs_controller.rb b/app/controllers/blogs_controller.rb
index 2f9df49..033d6bb 100644
--- a/app/controllers/blogs_controller.rb
+++ b/app/controllers/blogs_controller.rb
@@ -24,6 +24,9 @@ class BlogsController < ApplicationController
     raise ActiveRecord::RecordNotFound unless @blog
     raise ActiveRecord::RecordNotFound unless @blog.published
 
+    @prev = @blog.prev
+    @next = @blog.next
+
     body = Redcarpet::Markdown.new(Redcarpet::Render::StripDown).render(@blog.body)
 
     set_meta_tags(og: {
diff --git a/app/models/blog.rb b/app/models/blog.rb
index 03643bf..8599bcd 100644
--- a/app/models/blog.rb
+++ b/app/models/blog.rb
@@ -48,6 +48,14 @@ class Blog < ApplicationRecord
     end
   end
 
+  def prev
+    Blog.where(published: true).where("published_at < ?", published_at).order(published_at: :desc).first
+  end
+
+  def next
+    Blog.where(published: true).where("published_at > ?", published_at).order(published_at: :asc).first
+  end
+
   private
     def set_draft_title
       if self.title.blank? and not self.published
diff --git a/app/views/blogs/show.html.haml b/app/views/blogs/show.html.haml
index 0c549ac..7558257 100644
--- a/app/views/blogs/show.html.haml
+++ b/app/views/blogs/show.html.haml
@@ -1,4 +1,8 @@
 - title @blog.title
-.breadcrumb= link_to "← Back to home page", root_path
+- unless @prev.nil?
+  .back-post= link_to "← #{@prev.title}", @prev
+- unless @next.nil?
+  .next-post= link_to "#{@next.title} →", @next
+.clear
 = render @blog, short: false
 = show_comments(@blog)
-- 
cgit 1.4.1