Added date time object to gfmfj-datetime-filter

2 files changed, 39 insertions, 0 deletions

diff --git a/lib/banzai/filter/date_time_filter.rb b/lib/banzai/filter/date_time_filter.rb
new file mode 100644
index 00000000000..9116284e47f
--- /dev/null
+++ b/lib/banzai/filter/date_time_filter.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+module Banzai
+  module Filter
+    class DateTimeFilter < HTML::Pipeline::Filter
+      DATETIME_CLASS = 'gfm-date_time'.freeze
+
+      def call
+        doc.css('code').each do |node|
+          begin
+            date = Time.parse(node.content)
+          rescue
+            next
+          end
+
+
+          element = doc.document.create_element('span', class: DATETIME_CLASS, style: 'background-color: #DCDCDC; color: black')
+          element.content = if current_user
+                              date.in_time_zone(current_user.timezone)
+                            else
+                              date
+                            end
+
+          node.content = ''
+          node << element
+        end
+
+        doc
+      end
+
+      private
+
+      def current_user
+        context[:current_user]
+      end
+    end
+  end
+end
diff --git a/lib/banzai/pipeline/post_process_pipeline.rb b/lib/banzai/pipeline/post_process_pipeline.rb
index 54af26b41be..be3d1e546e4 100644
--- a/lib/banzai/pipeline/post_process_pipeline.rb
+++ b/lib/banzai/pipeline/post_process_pipeline.rb
@@ -5,6 +5,7 @@ module Banzai
     class PostProcessPipeline < BasePipeline
       def self.filters
         @filters ||= FilterArray[
+          Filter::DateTimeFilter,
           *internal_link_filters,
           Filter::AbsoluteLinkFilter
         ]