Include personal link formatting instructions in profile form

Author: pcantrell

app/models/participant.rb

@@ -8,6 +8,7 @@ class Participant < ActiveRecord::Base
 
   validates_presence_of :name
   validates_uniqueness_of :email, :case_sensitive => false, :allow_blank => true
+  validate :bio_does_not_include_example_links
 
   # used for formtastic form to allow sending a field related to a separate model
   attr_accessor :code_of_conduct_agreement
@@ -93,6 +94,12 @@ def deliver_email_confirmation_instructions!
     reset_perishable_token!
     Notifier.participant_email_confirmation(self).deliver_now!
   end
-end
 
+private
 
+  def bio_does_not_include_example_links
+    if bio&.include?("example.com")
+      errors.add(:bio, "please remove sample links to “example.com”")
+    end
+  end
+end

app/views/participants/edit.html.erb

@@ -6,7 +6,23 @@
   <%= f.inputs do %>
     <%= f.input :name, :label => 'Your name', :hint => "Please use your real name. This will be used in our printed materials." %>
     <%= f.input :email, :label => 'Your email', :hint => "Please use a real email address. We need this to contact you about your presentation." %>
-    <%= f.input :bio, :hint => 'You can use <a href="http://daringfireball.net/projects/markdown/syntax">Markdown</a> syntax here. Examples: <strong>**bold**</strong>, <em>*italic*</em>, [link](http://example.com)'.html_safe %>
+    <%= f.input :bio %>
+    <p class="inline-hints">
+      You can use <a href="http://daringfireball.net/projects/markdown/syntax">Markdown</a> syntax here.
+      Examples: <code>**bold**</code> &nbsp; <code>_italic_</code> &nbsp; <code>[link](http://example.com)</code>
+    </p>
+
+    <p class="inline-hints">
+      Add links to your personal sites and socials using the following format at the end of your bio:
+    </p>
+    <pre>
+**Links:**
+
+- [Personal site](https://myawesomesite.example.com)
+- [AwesomeNet](https://example.com/myusername)
+- [FriendTown](https://example.com/myusername)
+    </pre>
+
     <%=
       f.input :code_of_conduct_agreement,
         as: :boolean,

spec/models/participant_spec.rb

@@ -1,6 +1,19 @@
 require 'spec_helper'
 
 describe Participant do
+  describe "validation" do
+    subject { create(:luke) }
+
+    it { should validate_presence_of :name }
+
+    it "should flag example.com in bio text" do
+      subject.bio = "blah blah https//example.com/foo blah"
+      subject.save
+      assert !subject.valid?
+      assert !subject.errors[:bio].empty?
+    end
+  end
+
   describe "timeslot restrictions" do
     let(:event) { create(:event) }
     let!(:time1) { create(:timeslot_1, event: event) }