Catching exceptions while importing an excel file using Maatwebsite

I am using maatwebsite to import the excel file and save the records in the database.

I was able to import them but I also want to add validations such as required|email and also want to catch the sql exceptions raised in between.

Below is my controller code.

public function import(Request $request)
    {
        $validateData = $request->validate([
            'class_id' => 'required'
        ]);
        try {
    $import->import(request()->file('usersExcel'), null , \Maatwebsite\Excel\Excel::XLSX);
    } catch (\Maatwebsite\Excel\Validators\ValidationException $e) {
         $failures = $e->failures();
         $errormessage = "";
         dd($failures);
         foreach ($failures as $failure) {
             $errormess = "";
             foreach($failure->errors() as $error)
             {
                 $errormess = $errormess.$error;
             }
             $errormessage = $errormessage." ,\n At Row ".$failure->row().", ".$errormess."<br>";
         }
         return redirect('/create_users')->with('error', $errormessage);

    }

    }

Here is the import code:

use Importable, SkipsErrors;
    private $classid = 0;
    public function __construct(int $classid)
    {
        $this->classid = $classid;
    }

    public function model(array $row)
    {

        return new User([
           'name'     => $row['name'],
           'email'    => $row['email'],
           'password' => Hash::make('password')
        ]);
    }

    public function rules(): array
    {
    return [
        'name' => 'required',
        'email' => 'required',
        'password' => 'required',
    ];
    }

My roadblocks here are, i can catch the row validations and send that to the view through the controller but not sure whether this is right code. And I am not able to handle the queryExceptions that i get if i insert duplicate record.

Can you guys help me figuring it out.

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