public function run()
 {
     DB::table('farmunits')->delete();
     $collection = [['loan_id' => 1, 'farm_id' => 1, 'practice' => 'IR', 'acres' => 1000], ['loan_id' => 1, 'farm_id' => 1, 'practice' => 'NI', 'acres' => 2350], ['loan_id' => 1, 'farm_id' => 2, 'practice' => 'NI', 'acres' => 50], ['loan_id' => 1, 'farm_id' => 3, 'practice' => 'IR', 'acres' => 200], ['loan_id' => 1, 'farm_id' => 4, 'practice' => 'IR', 'acres' => 400], ['loan_id' => 2, 'farm_id' => 5, 'practice' => 'NI', 'acres' => 4347.4]];
     foreach ($collection as $record) {
         Farmunit::create($record);
     }
 }
 public function update($id)
 {
     // save updated
     $record = $this->records->find($id);
     if (!$record) {
         Farmunit::create(Input::all());
         return $this->respond($record);
     }
     $record->fill(Input::all())->save();
     return $this->respond($record);
 }