change terms from txt to markdown

Gemfile

@@ -63,6 +63,9 @@ gem 'http_accept_language'
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development
 
+# Markdown parsing.
+gem 'redcarpet'
+
 group :production do
   # Use a postgres database in production.
   gem 'pg', '~> 0.18'

Gemfile.lock

@@ -189,6 +189,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
+    redcarpet (3.4.0)
     redis (3.3.5)
     ref (2.0.0)
     rspec-core (3.7.1)
@@ -296,6 +297,7 @@ DEPENDENCIES
   puma (~> 3.0)
   rails (~> 5.0.7)
   rails-controller-testing
+  redcarpet
   redis (~> 3.0)
   rspec-rails (~> 3.7)
   rubocop

app/assets/stylesheets/application.scss

@@ -99,5 +99,4 @@ a {
 .terms {
   overflow: scroll;
   height: 55vh;
-  white-space: pre-line;
 }

app/helpers/application_helper.rb

@@ -25,7 +25,22 @@ module ApplicationHelper
     Rails.configuration.allow_user_signup
   end
 
+  # Determines if the BigBlueButton endpoint is the default.
   def bigbluebutton_endpoint_default?
     Rails.configuration.bigbluebutton_endpoint_default == Rails.configuration.bigbluebutton_endpoint
   end
+
+  # Parses markdown for rendering.
+  def markdown(text)
+    markdown = Redcarpet::Markdown.new(Redcarpet::Render::HTML,
+      no_intra_emphasis: true,
+      fenced_code_blocks: true,
+      disable_indented_code_blocks: true,
+      autolink: true,
+      tables: true,
+      underline: true,
+      highlight: true)
+
+    markdown.render(text).html_safe
+  end
 end

app/views/users/terms.html.erb

@@ -6,7 +6,7 @@
       </div>
       <div class="card-body">
           <div class="terms">
-            <p><%= Rails.configuration.terms %></p>
+            <%= markdown(Rails.configuration.terms) %>
           </div>
           <div class="btn-list text-right pt-8">
             <%= button_to t("terms.accept"), terms_path, params: {accept: true}, class: "btn btn-primary btn-space" %>