Markdown description rendering to HTML

Gemfile

@@ -33,6 +33,7 @@ gem "haml-rails" # view template language
 gem "sassc-rails" # scss
 gem "ancestry" # for geo-location nesting
 gem "rubyzip" # for de/compressing geo-enclosure postcode data
+gem "kramdown"
 
 group :development, :test do
   # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem

Gemfile.lock

@@ -131,6 +131,8 @@ GEM
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
     json (2.7.2)
+    kramdown (2.4.0)
+      rexml
     language_server-protocol (3.17.0.3)
     logger (1.6.0)
     loofah (2.22.0)
@@ -327,6 +329,7 @@ DEPENDENCIES
   haml-rails
   importmap-rails
   jbuilder
+  kramdown
   puma (>= 5.0)
   rails (~> 7.2.0)
   rails-controller-testing

app/views/events/show.html.haml

@@ -16,7 +16,7 @@
   - if @event.address.present?
     — #{address_map_link_to @event.address, :events_path}
 
-= format_for_content(@event.description)
+#description.indent= @event.description_html.to_s.html_safe
 
 - if @event.publisher_url.present?
   %p= external_link_to @event.publisher_url, text: 'More info'

app/views/partners/show.html.haml

@@ -19,7 +19,7 @@
 
 - if @partner.description.present?
   %h2 Description
-  = format_for_content(@partner.description)
+  #description.indent= @partner.description_html.to_s.html_safe
 
 - if @upcoming_events.blank? && @previous_events.blank?
   %br

db/migrate/20241002092038_add_markdown_html_fields_to_partners_and_events.rb

@@ -0,0 +1,6 @@
+class AddMarkdownHtmlFieldsToPartnersAndEvents < ActiveRecord::Migration[7.2]
+  def change
+    add_column :partners, :description_html, :text
+    add_column :events, :description_html, :text
+  end
+end

lib/tasks/db/import/placecal_snapshot.rake

@@ -6,6 +6,10 @@ module PlacecalSnapshotImporter
     Event.destroy_all
   end
 
+  def make_html_from_text(text)
+    Kramdown::Document.new(text).to_html
+  end
+
   def import_partners
     path = Rails.root.join('db/fixtures/partners.json')
     puts "Importing partners from #{path}"
@@ -39,7 +43,8 @@ module PlacecalSnapshotImporter
           url: partner_url,
           address_street: partner_address_street,
           address_postcode: partner_address_postcode,
-          logo_url: partner_logo_url
+          logo_url: partner_logo_url,
+          description_html: make_html_from_text(partner_description)
         )
     end
   end
@@ -80,7 +85,8 @@ module PlacecalSnapshotImporter
             organizer_placecal_id: organizer_id,
             address_street: event_data['address']['streetAddress'],
             address_postcode: event_data['address']['postalCode'],
-            partner_id: partner.id
+            partner_id: partner.id,
+            description_html: make_html_from_text(event_data['description'])
           },
           instances: [ event_instance ]
         }