-<% percent_total_tasks = 100 / (j[:tasks_summary][:done] + j[:tasks_summary][:running] + j[:tasks_summary][:failed] + j[:tasks_summary][:todo]) rescue 0 %>
+<%
+ failed = j[:tasks_summary][:failed] || 0 rescue 0
+ done = j[:tasks_summary][:done] || 0 rescue 0
+ running = j[:tasks_summary][:running] || 0 rescue 0
+ todo = j[:tasks_summary][:todo] || 0 rescue 0
-<% if defined? scaleby %>
- <% percent_total_tasks *= scaleby %>
-<% end %>
+ if j[:success] == false and done + running + failed == 0
+ # The job failed but no tasks were ever started (i.e. crunch-dispatch
+ # was unable to start the job). Display a full 100% failed progress bar.
+ failed_percent = 100
+ success_percent = 0
+ running_percent = 0
+ elsif done + running + failed + todo == 0
+ # No tasks were ever created for this job;
+ # render an empty progress bar.
+ failed_percent = 0
+ success_percent = 0
+ running_percent = 0
+ else
+ percent_total_tasks = 100.0 / (done + running + failed + todo)
+ if defined? scaleby
+ percent_total_tasks *= scaleby
+ end
+ failed_percent = (failed * percent_total_tasks).ceil
+ success_percent = (done * percent_total_tasks).ceil
+ running_percent = (running * percent_total_tasks).ceil
+ end
+%>
<% if not defined? scaleby %>
<div class="progress">
<% end %>
-<span class="progress-bar progress-bar-success" style="width: <%= j[:tasks_summary][:done] * percent_total_tasks rescue 0 %>%;">
+<span class="progress-bar progress-bar-success" style="width: <%= success_percent %>%;">
</span>
-<span class="progress-bar progress-bar-danger" style="width: <%= j[:tasks_summary][:failed] * percent_total_tasks rescue 0 %>%;">
+<span class="progress-bar progress-bar-danger" style="width: <%= failed_percent %>%;">
</span>
-<span class="progress-bar" style="width: <%= j[:tasks_summary][:running] * percent_total_tasks rescue 0 %>%;">
+<span class="progress-bar" style="width: <%= running_percent %>%;">
</span>
<% if not defined? scaleby %>