feat: aggregate unit analytics (summary task status chart)

app/models/unit.rb

@@ -1832,6 +1832,39 @@ def task_completion_csv
     end
   end
 
+  def aggregate_task_complete_stats
+    result = {}
+
+    task_definitions.each do |td|
+      result[td.abbreviation] = {}
+    end
+
+    active_projects.each do |project|
+      campus_name = project.campus.name
+      result[campus_name] ||= {}
+
+      task_definitions.each do |td|
+        result[campus_name][td.abbreviation] ||= {}
+
+        task = project.task_for_task_definition(td)
+        next unless task
+
+        status = task.task_status.id.to_s
+        result[campus_name][td.abbreviation][status] ||= 0
+        result[campus_name][td.abbreviation][status] += 1
+      end
+    end
+
+    result.inspect
+
+    file_server = Doubtfire::Application.config.student_work_dir
+    analytics_dir = File.join(file_server, "analytics")
+    FileUtils.mkdir_p(analytics_dir)
+
+
+    File.write("#{analytics_dir}/#{code}-#{id}-stats.json", result.to_json)
+  end
+
   def get_portfolio_zip_filename(current_user)
     filename = FileHelper.sanitized_filename("portfolios-#{code}-#{current_user.username}")
     "#{FileHelper.tmp_file(filename)}.zip"