Fix organizer email sending

Due to a mishandling of checkboxes, all emails were only being sent to
attendees who have been 'checked-in' to a workshop. Which is usually no-one.

app/views/events/emails/new.html.erb

@@ -47,10 +47,10 @@
 
       <div class='span6'>
         <%= label_tag do %>
-          <%= f.check_box(:include_waitlisted, class: 'include-waitlisted') %> Include waitlisted students
+          <%= f.check_box(:include_waitlisted, {class: 'include-waitlisted'}, true, false) %> Include waitlisted students
         <% end %>
         <%= label_tag do %>
-          <%= f.check_box(:only_checked_in, class: 'only-checked-in') %> Only attendees who checked in (Good for
+          <%= f.check_box(:only_checked_in, {class: 'only-checked-in'}, true, false) %> Only attendees who checked in (Good for
           post-event emails)
         <% end %>
       </div>

spec/controllers/events/emails_controller_spec.rb

@@ -35,7 +35,7 @@
 
     it "allows emails to be sent to waitlisted students" do
       expect {
-        post :create, event_id: @event.id, event_email: mail_params.merge(attendee_group: Role::STUDENT.id, include_waitlisted: true)
+        post :create, event_id: @event.id, event_email: mail_params.merge(attendee_group: Role::STUDENT.id, include_waitlisted: "true")
       }.to change(ActionMailer::Base.deliveries, :count).by(1)
       recipients.should =~ [@student.email, @waitlisted.email, @organizer.email]
     end
@@ -47,7 +47,7 @@
 
       it "allows emails to be sent exclusively to checked-in attendees" do
         expect {
-          post :create, event_id: @event.id, event_email: mail_params.merge(attendee_group: 'All', only_checked_in: true)
+          post :create, event_id: @event.id, event_email: mail_params.merge(attendee_group: 'All', only_checked_in: "true")
         }.to change(ActionMailer::Base.deliveries, :count).by(1)
         recipients.should =~ [@volunteer.email, @organizer.email]
       end

spec/features/event_email_request_spec.rb

@@ -1,6 +1,8 @@
 require 'spec_helper'
 
 describe "the email page" do
+  let(:recipients) { JSON.parse(ActionMailer::Base.deliveries.last.header['X-SMTPAPI'].to_s)['to'] }
+
   before do
     event = create(:event, student_rsvp_limit: 1)
 
@@ -42,4 +44,13 @@
     check 'Only attendees who checked in'
     page.should have_content("1 person")
   end
+
+  it "sends an email to the selected people" do
+    choose 'All Attendees'
+    fill_in 'Subject', with: 'Hello, Railsbridgers'
+    fill_in 'Body', with: 'This is a cool email body!'
+    click_button 'Send Mail'
+
+    recipients.length.should == 4
+  end
 end