code: def report_view(self, request, key, period):
          
  
          if not self.has_change_permission(request, None):
              raise PermissionDenied
  
          reporters = self.get_reporters()
          try:
              reporter = reporters[key]
          except KeyError:
              return self.render_report_error(request, _('Report not found'), 404)
  
          allowed_periods = [k for (k, v) in self.get_period_options()]
          if period == 'A':
              period = ''
  
          if period and period not in allowed_periods:
              return self.render_report_error(request, _('Invalid report type'), 400)
  
          try:
              return reporter.process(request, self.get_period_queryset(request, period), period)
          except:
              logger.exception('Tracking Reports could not generate the report due to an internal error')
              return self.render_report_error(request, _('An unexpected error has occurred'), 500)
docs: Processes the reporting action.