Add markdown support to the text component of the template builder

Gemfile

@@ -54,6 +54,9 @@ gem 'resque-status'
 # UUIDs for tasks
 gem 'uuidtools'
 
+# Markdown
+gem 'rdiscount'
+
 # To use ActiveModel has_secure_password
 gem 'bcrypt-ruby', '~> 3.0.0', :require => 'bcrypt'
 

Gemfile.lock

@@ -121,6 +121,7 @@ GEM
       thor (~> 0.14.6)
     raindrops (0.10.0)
     rake (0.9.2.2)
+    rdiscount (1.6.8)
     rdoc (3.12)
       json (~> 1.4)
     redis (3.0.1)
@@ -200,6 +201,7 @@ DEPENDENCIES
   net-ldap
   pry
   rails (= 3.2.1)
+  rdiscount
   resque
   resque-status
   ruby-aws

app/helpers/tasks_helper.rb

@@ -22,6 +22,11 @@ def interpolate string, data
     string.html_safe
   end
 
+  # Renders text as markdown
+  def markdown string
+    RDiscount.new(string).to_html.html_safe
+  end
+
   # resolves data items, which can be literals, fields, or nils, to the
   # appropriate string. Fields are looked up in the fields hash
   def resolve_data data, fields

app/views/tasks/show.html.haml

@@ -39,7 +39,7 @@
         %label.error.alert.alert-error{:for => id} Please enter a response.
         %textarea{:cols => 40, :rows => 5, :name => id, :class => (fr_q.required? ? 'required' : '')}
       - when :_text
-        %div= interpolate(section[:content], @task.data)
+        %div= markdown(interpolate(section[:content], @task.data))
       - when :_header
         %h1= interpolate(section[:content], @task.data)
       - else

db/structure.sql

@@ -133,6 +133,7 @@ CREATE TABLE `clockwork_raven_task_responses` (
   `updated_at` timestamp NULL DEFAULT NULL,
   `mturk_assignment` varchar(255) DEFAULT NULL,
   `approved` tinyint(1) DEFAULT NULL,
+  `source` varchar(255) DEFAULT NULL,
   PRIMARY KEY (`id`),
   KEY `task_id` (`task_id`),
   CONSTRAINT `clockwork_raven_task_responses_ibfk_1` FOREIGN KEY (`task_id`) REFERENCES `clockwork_raven_tasks` (`id`)
@@ -175,4 +176,8 @@ INSERT INTO clockwork_raven_schema_migrations (version) VALUES ('20120807222553'
 
 INSERT INTO clockwork_raven_schema_migrations (version) VALUES ('20120810203402');
 
+INSERT INTO clockwork_raven_schema_migrations (version) VALUES ('20120911001453');
+
+INSERT INTO clockwork_raven_schema_migrations (version) VALUES ('20121010052749');
+
 INSERT INTO clockwork_raven_schema_migrations (version) VALUES ('20121020214517');

test/unit/helpers/tasks_helper_test.rb

@@ -28,6 +28,42 @@ class TasksHelperTest < ActionView::TestCase
     assert_equal expected_output, interpolate(template_string, data)
   end
 
+  test "markdown" do
+    input = <<-END_IN.strip_heredoc
+      <b>foo</b>
+
+      <p>blah</p>
+
+      # Things
+
+      I want some *things* and some _other things_ and some **important things**
+
+      * foo
+      * bar
+
+      <script type="text/javascript">alert('hi');</script>
+    END_IN
+
+    expected_output = <<-END_OUT.strip_heredoc
+      <p><b>foo</b></p>
+
+      <p>blah</p>
+
+      <h1>Things</h1>
+
+      <p>I want some <em>things</em> and some <em>other things</em> and some <strong>important things</strong></p>
+
+      <ul>
+      <li>foo</li>
+      <li>bar</li>
+      </ul>
+
+      <script type="text/javascript">alert('hi');</script>
+    END_OUT
+
+    assert_dom_equiv expected_output, markdown(input)
+  end
+
   test "resolve data" do
     fields = {
       'foo' => 'data1',