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1<?php
2
3namespace Drupal\visitors\Plugin\views\field;
4
5use Drupal\Core\Cache\CacheableMetadata;
6
7/**
8 * Field handler to display the hour (server) of the visit.
9 *
10 * @ingroup views_field_handlers
11 *
12 * @ViewsField("visitors_day_of_week")
13 */
14final class VisitorsDayWeek extends VisitorsTimestamp {
15
16  /**
17   * {@inheritdoc}
18   */
19  protected $format = '%w';
20
21  /**
22   * {@inheritdoc}
23   */
24  public function render($values) {
25    // Default to Sunday (0)
26    $first_day = $this->configFactory->get('system.date')->get('first_day') ?? 0;
27
28    $weekdays = [];
29    $weekdays[((0 + 7 - $first_day) % 7)] = $this->t('Sunday');
30    $weekdays[((1 + 7 - $first_day) % 7)] = $this->t('Monday');
31    $weekdays[((2 + 7 - $first_day) % 7)] = $this->t('Tuesday');
32    $weekdays[((3 + 7 - $first_day) % 7)] = $this->t('Wednesday');
33    $weekdays[((4 + 7 - $first_day) % 7)] = $this->t('Thursday');
34    $weekdays[((5 + 7 - $first_day) % 7)] = $this->t('Friday');
35    $weekdays[((6 + 7 - $first_day) % 7)] = $this->t('Saturday');
36
37    $value = (int) $this->getValue($values);
38
39    // $output = $weekdays[$value];
40    $output = [
41      '#markup' => $weekdays[$value],
42    ];
43    // Add cache metadata.
44    $cache_metadata = new CacheableMetadata();
45    $cache_metadata->addCacheTags(['config:system.date']);
46    $cache_metadata->applyTo($output);
47
48    return $output;
49  }
50
51  /**
52   * {@inheritdoc}
53   */
54  public function query() {
55    $this->ensureMyTable();
56
57    $params = $this->options['group_type'] != 'group' ? ['function' => $this->options['group_type']] : [];
58    /** @var \Drupal\views\Plugin\views\query\Sql $query */
59    $query = $this->query;
60
61    // Default to Sunday (0)
62    $system_date = $this->configFactory->get('system.date');
63    $first_day = $system_date->get('first_day') ?? 0;
64
65    $timezone_location = $system_date->get('timezone.default');
66
67    $timezone = new \DateTimeZone($timezone_location);
68    $offset = $timezone->getOffset(new \DateTime());
69
70    $field = $query->getDateField("$this->tableAlias.$this->realField", FALSE, FALSE);
71    $query->setFieldTimezoneOffset($field, $offset);
72    $formula = $query->getDateFormat($field, $this->getFormat(), FALSE);
73    $sorted_expression = $formula;
74    if ($first_day != 0) {
75      $sorted_expression = "(($formula + 7 - $first_day) % 7)";
76    }
77
78    $this->field_alias = $query->addField(NULL, $sorted_expression, $this->field, $params);
79
80    $this->addAdditionalFields();
81  }
82
83}