public function saveAs(Request $request)
 {
     // retrieve all records as collection
     $records = IndustryExtension1::select('report_date_id', 'institution_id', 'subsector_id', 'identified_technologies', 'benchmarked_technologies', 'proper_documentation', 'prototype', 'competent_entrepreneurs', 'transferred', 'capital', 'remarks')->where('report_date_id', $request->report_date_id_source)->get();
     if (count($records) > 0) {
         // update report date id to target report date id
         foreach ($records as $rec) {
             $rec->report_date_id = $request->report_date_id_target;
         }
         // insert into the table
         IndustryExtension1::insert($records->toArray());
         // send a flash message
         $request->session()->flash('alert-success', 'Save as operation was successful!');
     } else {
         // send a flash message
         $request->session()->flash('alert-danger', 'Save as operation failed! No records found from source.');
     }
     return redirect('industry-extension-1');
 }
 public function ie_technologies_identified()
 {
     $result = IndustryExtension1::select(DB::raw('sum(identified_technologies) as identified_technologies,
             sum(transferred) as transferred_technologies'))->where('report_date_id', $this->report_date_id)->where('institution_id', $this->institution_id)->get();
     return $result;
 }