From 03867b94387769c0ca32dbfe2d3311ee5ff83afd Mon Sep 17 00:00:00 2001
From: Indrajith K L <indrajith@indrajith.dev>
Date: Sun, 23 Jun 2024 03:39:08 +0530
Subject: [PATCH] Implements Blog Post Listing

* Implements route for listing blogs grouped by date
* Adds blog lists renderer macro
* Code refactoring
---
 src/indrajith-dev-crystal.cr | 73 ++++++++++++++++++++++++++++++------
 src/views/blog.ecr           |  1 +
 src/views/home.ecr           |  3 +-
 3 files changed, 65 insertions(+), 12 deletions(-)

diff --git a/src/indrajith-dev-crystal.cr b/src/indrajith-dev-crystal.cr
index f49f134..ed237e3 100644
--- a/src/indrajith-dev-crystal.cr
+++ b/src/indrajith-dev-crystal.cr
@@ -7,7 +7,7 @@ require "time"
 
 Dotenv.load
 
-TOKEN = ENV["TOKEN"]
+TOKEN      = ENV["TOKEN"]
 STRAPI_URL = ENV["STRAPI_URL"]
 
 module Indrajith::Dev::Crystal
@@ -19,10 +19,22 @@ module Indrajith::Dev::Crystal
     render "src/views/#{{{filename}}}.ecr", "src/views/layout.ecr"
   end
 
-  macro render_404()
+  macro blog_list_renderer(blog_content)
+    page_title = "Blog"
+    published_at=""
+    blog_lists = {{blog_content}}
+    render "src/views/blog.ecr", "src/views/layout.ecr"
+  end
+
+  macro render_404
     page_renderer "404", "The VOID"
   end
 
+  macro send_404(context)
+    context.response.status_code = 404
+    context.response.content_type = "text/plain"
+    context.response.print "Not Found"
+  end
 
   get "/" do |context|
     context.response.content_type = "text/html"
@@ -45,8 +57,45 @@ module Indrajith::Dev::Crystal
   end
 
   get "/blog" do |context|
-    context.response.content_type = "text/html"
-    page_renderer "blog", "Blog"
+    begin
+      site = Crest::Resource.new("#{STRAPI_URL}")
+
+      response = site.get("/api/posts/group-by-date",
+        headers: {"Authorization" => "Bearer #{TOKEN}"}
+      )
+
+      post_groups = JSON.parse(response.body)
+
+      html_string = ""
+
+      post_groups.as_h.each do |date, posts|
+        published_time = Time.parse(date, "%Y-%m-%d", Time::Location.local)
+        html_string += "<div>
+          <h3 class='date-based'>#{format_date(published_time)}</h3>
+          <ul class='post-lists'>
+          "
+        posts.as_a.each do |post|
+          post_title = post["post_title"]
+          post_slug = post["slug"]
+          html_string += "
+          <li>
+            <a href='/post/#{post_slug}'>#{post_title}</a>
+          </li>
+          "
+        end
+        html_string += "</ul>
+        </div>
+        "
+      end
+      content = html_string
+      context.response.content_type = "text/html"
+      blog_list_renderer html_string
+    rescue ex
+      if ex.responds_to?(:response)
+        puts ex.response
+      end
+      blog_list_renderer "No Recent Posts"
+    end
   end
 
   get "/posts" do |context|
@@ -64,14 +113,12 @@ module Indrajith::Dev::Crystal
 
       json_data = JSON.parse(response.body)
       data = json_data["data"].as_a
-      puts data.size
       if data.size == 0
         "<li>No Posts Yet</li>"
       else
         html_string = ""
         data.each do |item|
           attributes = item["attributes"]
-          # puts attributes["post_title"]
           html_string += "
           <li>
             <p><a href='/post/#{attributes["slug"]}'>#{attributes["post_title"]}</a></p>
@@ -79,9 +126,11 @@ module Indrajith::Dev::Crystal
         end
         html_string
       end
-    rescue ex : Crest::NotFound
-      puts ex.response
-      render_404
+    rescue ex
+      if ex.responds_to?(:response)
+        puts ex.response
+      end
+      send_404 context
     end
   end
 
@@ -108,8 +157,10 @@ module Indrajith::Dev::Crystal
       page_title = post_attribute["post_title"]
       render "src/views/layout.ecr"
     rescue ex
-      puts ex
-      render_404
+      if ex.responds_to?(:response)
+        puts ex.response
+      end
+      send_404 context
     end
   end
 
diff --git a/src/views/blog.ecr b/src/views/blog.ecr
index e69de29..c336c58 100644
--- a/src/views/blog.ecr
+++ b/src/views/blog.ecr
@@ -0,0 +1 @@
+<%= blog_lists %>
\ No newline at end of file
diff --git a/src/views/home.ecr b/src/views/home.ecr
index 2928a32..2935993 100644
--- a/src/views/home.ecr
+++ b/src/views/home.ecr
@@ -6,7 +6,7 @@
         </p>
     </div>
 </div>
-<span hx-get="/posts" hx-trigger="load" hx-target="#result"></span>
+<span hx-get="/posts" hx-trigger="load" hx-target="#result" hx-target-404="#not-found"></span>
 <div>
     <div>
         <h4>Books I'm reading now</h4>
@@ -14,6 +14,7 @@
     </div>
     <h4>Recent Posts</h4>
     <ul id="result">
+        <li id="not-found" hx-swap-oob="true">No Recent Posts</li>
     </ul>
 </div>
 <script src="https://www.goodreads.com/review/grid_widget/162656738.Indrajith's%20currently-reading%20book%20montage?cover_size=medium&hide_link=&hide_title=true&num_books=20&order=a&shelf=currently-reading&sort=date_added&widget_id=1676363812" type="text/javascript" charset="utf-8"></script>