show pending sis batch count on sis imports page

Change-Id: I9a7ac217a00ecf8f445e94438f89f2a0e0a3fa03
Reviewed-on: https://gerrit.instructure.com/5358
Tested-by: Hudson <hudson@instructure.com>
Reviewed-by: JT Olds <jt@instructure.com>

app/models/sis_batch.rb

@@ -96,9 +96,7 @@ class SisBatch < ActiveRecord::Base
   end
   handle_asynchronously :process, :strand => proc { |sis_batch| "sis_batch:account:#{sis_batch.account_id}" }, :priority => Delayed::LOW_PRIORITY
 
-  named_scope :needs_processing, lambda{
-    {:conditions => ["sis_batches.workflow_state = 'needs_processing'"], :order => :created_at}
-  }
+  named_scope :needs_processing, :conditions => { :workflow_state => 'created' }, :order => :created_at
 
   def fast_update_progress(val)
     self.progress = val

app/views/accounts/sis_import.html.erb

@@ -60,6 +60,15 @@
     <div id="import_log"></div>
   </div>
 
+  <% pending_batch_count = @account.sis_batches.needs_processing.count %>
+  <% pending_batch_count -= 1 if @current_batch && @current_batch.created? %>
+  <% if pending_batch_count > 0 %>
+    <div class="pending_batches" style="margin-top: 20px">
+      <h3><%= t(:pending_batches_title, "Pending Batches") %></h3>
+      <p><%= t(:pending_batches_count, { :one => "%{count} batch waiting to be processed.", :other => "%{count} batches waiting to be processed." }, :count => pending_batch_count) %></p>
+    </div>
+  <% end %>
+
   <% if show_last_batch %>
     <div class="last_batch" style="margin-top: 20px;">
       <h3><%= t(:last_batch_title, "Last Batch") %></h3>