MortgageCalculatorForm.php in Real Estate Mortgage Calculator 8

Namespace

Drupal\mortgage_calculator\Form

File

src/Form/MortgageCalculatorForm.php

<?php

namespace Drupal\mortgage_calculator\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * MortgageCalculatorForm.
 *
 * @internal
 */
class MortgageCalculatorForm extends FormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'mortgage_calculator_form';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $request = $this
      ->getRequest();
    $session = $request
      ->getSession();
    $form['mortgage_calculator_loan_amount'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Price of Home'),
      '#default_value' => $session
        ->get('mortgage_calculator_loan_amount', ''),
      '#size' => 10,
      '#maxlength' => 64,
    ];
    $form['mortgage_calculator_mortgage_rate'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Mortgage Rate'),
      '#default_value' => $session
        ->get('mortgage_calculator_mortgage_rate', ''),
      '#size' => 10,
      '#maxlength' => 64,
    ];
    $form['mortgage_calculator_years_to_pay'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Years to Pay'),
      '#default_value' => $session
        ->get('mortgage_calculator_years_to_pay', ''),
      '#size' => 10,
      '#maxlength' => 64,
    ];
    $form['mortgage_calculator_desired_display'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Desired table display'),
      '#default_value' => $session
        ->get('mortgage_calculator_desired_display', ''),
      '#options' => [
        'monthly' => $this
          ->t('monthly'),
        'yearly' => $this
          ->t('yearly'),
      ],
    ];
    $form['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Calculate'),
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    if ($form_state
      ->getValue('mortgage_calculator_years_to_pay') == '' || $form_state
      ->getValue('mortgage_calculator_years_to_pay') <= 0) {
      $form_state
        ->setErrorByName('mortgage_calculator_years_to_pay', $this
        ->t('Please enter a value of years to pay.'));
    }
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $request = $this
      ->getRequest();
    $session = $request
      ->getSession();
    $session
      ->set('mortgage_calculator_loan_amount', $form_state
      ->getValue('mortgage_calculator_loan_amount'));
    $session
      ->set('mortgage_calculator_mortgage_rate', $form_state
      ->getValue('mortgage_calculator_mortgage_rate'));
    $session
      ->set('mortgage_calculator_years_to_pay', $form_state
      ->getValue('mortgage_calculator_years_to_pay'));
    $session
      ->set('mortgage_calculator_desired_display', $form_state
      ->getValue('mortgage_calculator_desired_display'));
    $form_state
      ->setRedirect('mortgage_calculator.page');
  }

}

Classes

Name	Description
MortgageCalculatorForm	MortgageCalculatorForm.