Add Eli5 tabbing logic (#77)

* Add tabs for chronological filtering

* Add Algolia filtering

* Fix infinity typo

* Fix algolia index on tabbing

* Add readable publish date across all posts

* Add eli5 logic for tabbing

app/models/article.rb

@@ -171,6 +171,24 @@ class Article < ApplicationRecord
 
     stories.pluck(:path, :title, :comments_count, :created_at)
   end
+  
+  def self.active_eli5(time_ago)
+    stories = where(published:true).
+      tagged_with("explainlikeimfive")
+
+    if time_ago == "latest"
+      stories = stories.order("published_at DESC").limit(3)
+    elsif time_ago
+      stories = stories.order("comments_count DESC").
+        where("published_at > ?", time_ago).
+        limit(6)
+    else
+      stories = stories.order("last_comment_at DESC").
+        where("published_at > ?", 5.days.ago).
+        limit(3)
+    end
+    stories.pluck(:path, :title, :comments_count, :created_at)
+  end
 
   def body_text
     ActionView::Base.full_sanitizer.sanitize(processed_html)[0..7000]

app/views/articles/_sidebar_additional.html.erb

@@ -146,13 +146,7 @@
         </header>
         <div class="widget-body">
           <div class="widget-link-list">
-            <% Article.
-              where(published:true).
-              tagged_with("explainlikeimfive").
-              order("last_comment_at DESC").
-              where("published_at > ?", 5.days.ago).
-              limit(3).
-              pluck(:path,:title,:comments_count, :created_at).
+            <% Article.active_eli5(Timeframer.new(params[:timeframe]).datetime).
               each do |plucked_article| %>
                 <%= render "articles/widget_list_item", plucked_article: plucked_article, show_comment_count: true %>
             <% end %>