Do not show Sessions section in RSVP form for single-session events.

Users are automatically RSVP'd to the single existing session for these events.

app/models/rsvp.rb

@@ -37,8 +37,11 @@ def formatted_preference
     volunteer_preference.title
   end
 
-  def set_attending_sessions session_ids
+  def set_attending_sessions session_ids=nil
     rsvp_sessions.destroy_all
+    if event.event_sessions.length == 1
+      session_ids = [event.event_sessions.first.id]
+    end
     session_ids.each do |session_id|
       rsvp_sessions.create(event_session_id: session_id)
     end

app/views/rsvps/_form.html.erb

@@ -42,11 +42,13 @@
     <% end %>
   </div>
 
-  <strong>Sessions you're attending</strong>
-  <% @rsvp.event.event_sessions.order('starts_at ASC').each do |session| %>
-    <%= label_tag do %>
-      <%= check_box_tag 'rsvp_sessions[]', session.id, @rsvp.new_record? ? true : @rsvp.rsvp_sessions.where(event_session_id: session.id).any? %>
-      <%= session.name  %>: <%= formatted_session_date(session) %> <%= formatted_session_timerange(session) %>
+  <% if @rsvp.event.event_sessions.length > 1 %>
+    <strong>Sessions you're attending</strong>
+    <% @rsvp.event.event_sessions.order('starts_at ASC').each do |session| %>
+      <%= label_tag do %>
+        <%= check_box_tag 'rsvp_sessions[]', session.id, @rsvp.new_record? ? true : @rsvp.rsvp_sessions.where(event_session_id: session.id).any? %>
+        <%= session.name  %>: <%= formatted_session_date(session) %> <%= formatted_session_timerange(session) %>
+      <% end %>
     <% end %>
   <% end %>
 

spec/features/event_rsvp_request_spec.rb

@@ -12,6 +12,11 @@
       visit new_event_rsvp_path(@event)
     end
 
+    it "should not show checkboxes for events with only one session" do
+      @event.event_sessions.length.should == 1
+      page.should_not have_content(@event.event_sessions.first.name)
+    end
+
     it "should ask if user needs childcare ask for more info" do
       page.find("#rsvp_needs_childcare").should_not be_checked
       page.find("#rsvp_childcare_info").find(:xpath, '..')['class'].

spec/models/rsvp_spec.rb

@@ -27,40 +27,54 @@
   end
 
   describe '#set_attending_sessions' do
-    before do
-      @event = create(:event)
-      #ensure there are at least two sessions
-      @event.event_sessions << create(:event_session)
-      @num_sessions = @event.event_sessions.length
-      @rsvp = create(:rsvp, event: @event)
-
-      @session1 = @event.event_sessions.first
-      @session2 = @event.event_sessions.last
-    end
-
-    it "allows " do
-
+    context "when there is only one event session" do
+      before do
+        @event = create(:event)
+        @event.event_sessions.length.should == 1
+        @rsvp = create(:rsvp, event: @event)
+      end
 
-      expect {
-        @rsvp.set_attending_sessions(@event.event_sessions.map(&:id))
-      }.to change { @rsvp.rsvp_sessions.count }.by(@num_sessions)
-      @rsvp.rsvp_sessions.map(&:event_session_id).should =~ @event.event_sessions.map(&:id)
+      it "creates an rsvp_session record for that session" do
+        expect {
+          @rsvp.set_attending_sessions
+        }.to change { @rsvp.rsvp_sessions.count }.by(1)
+        @rsvp.rsvp_sessions.map(&:event_session_id).should =~ @event.event_sessions.map(&:id)
+      end
     end
 
-    context "when some sessions are already being attended" do
+    context "when there are at least two sessions" do
       before do
-        create(:rsvp_session, rsvp_id: @rsvp.id, event_session_id: @session1.id)
+        @event = create(:event)
+        @event.event_sessions << create(:event_session)
+        @num_sessions = @event.event_sessions.length
+        @rsvp = create(:rsvp, event: @event)
+
+        @session1 = @event.event_sessions.first
+        @session2 = @event.event_sessions.last
       end
 
-      it "destroys rsvps when told to set to an empty array" do
-        @rsvp.set_attending_sessions([])
-        @rsvp.rsvp_sessions.count.should == 0
+      it "creates rsvp_session records for all ids sent in" do
+        expect {
+          @rsvp.set_attending_sessions(@event.event_sessions.map(&:id))
+        }.to change { @rsvp.rsvp_sessions.count }.by(@num_sessions)
+        @rsvp.rsvp_sessions.map(&:event_session_id).should =~ @event.event_sessions.map(&:id)
       end
 
-      it "destroys existing attendance and creates new attendances using the provided ids" do
-        @rsvp.set_attending_sessions([@session2.id])
-        @rsvp.rsvp_sessions.count.should == 1
-        @rsvp.rsvp_sessions.first.event_session.should == @session2
+      context "when some sessions are already being attended" do
+        before do
+          create(:rsvp_session, rsvp_id: @rsvp.id, event_session_id: @session1.id)
+        end
+
+        it "destroys rsvps when told to set to an empty array" do
+          @rsvp.set_attending_sessions([])
+          @rsvp.rsvp_sessions.count.should == 0
+        end
+
+        it "destroys existing attendance and creates new attendances using the provided ids" do
+          @rsvp.set_attending_sessions([@session2.id])
+          @rsvp.rsvp_sessions.count.should == 1
+          @rsvp.rsvp_sessions.first.event_session.should == @session2
+        end
       end
     end
   end