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1 |
1 | <?php |
2 | |
3 | namespace Drupal\visitors\Plugin\views\sort; |
4 | |
5 | use Drupal\Core\Form\FormStateInterface; |
6 | use Drupal\views\Attribute\ViewsSort; |
7 | use Drupal\views\Plugin\views\sort\SortPluginBase; |
8 | use Drupal\visitors\Service\SequenceService; |
9 | |
10 | /** |
11 | * Sort handler that uses defined number ranges instead of raw values. |
12 | */ |
13 | #[ViewsSort("visitors_number_range")] |
14 | class NumberRange extends SortPluginBase { |
15 | |
16 | /** |
17 | * Gets the total count of configured ranges. |
18 | * |
19 | * @return int |
20 | * The total number of ranges. |
21 | */ |
22 | public function getTotalRanges(): int { |
23 | $ranges_text = $this->options['ranges']; |
24 | $ranges = preg_split('/\r\n|\r|\n/', $ranges_text); |
25 | $ranges = array_map('trim', $ranges); |
26 | $ranges = array_filter($ranges, function ($range) { |
27 | return trim($range) !== ''; |
28 | }); |
29 | |
30 | return count($ranges); |
31 | } |
32 | |
33 | /** |
34 | * {@inheritdoc} |
35 | */ |
36 | public function defineOptions() { |
37 | $options = parent::defineOptions(); |
38 | $options['ranges'] = ['default' => "0\n1\n2\n3\n4\n5\n6-7\n8-10\n11-14\n15-20\n21+"]; |
39 | return $options; |
40 | } |
41 | |
42 | /** |
43 | * {@inheritdoc} |
44 | */ |
45 | public function buildOptionsForm(&$form, FormStateInterface $form_state) { |
46 | parent::buildOptionsForm($form, $form_state); |
47 | |
48 | $form['ranges'] = [ |
49 | '#type' => 'textarea', |
50 | '#title' => $this->t('Number ranges'), |
51 | '#description' => $this->t("Enter one range per line. Examples: <code>0</code>, <code>6-7</code>, <code>21+</code>. The sort order will follow the order you define here."), |
52 | '#default_value' => $this->options['ranges'], |
53 | ]; |
54 | } |
55 | |
56 | /** |
57 | * {@inheritdoc} |
58 | */ |
59 | public function query() { |
60 | // Add the base field to the query. |
61 | $this->ensureMyTable(); |
62 | |
63 | // Check if the field already exists in the query. |
64 | $existing_field_alias = $this->tableAlias . '_' . $this->realField . '__range'; |
65 | |
66 | // Look through the query fields to see if our target field already exists. |
67 | foreach ($this->query->fields as $field_info) { |
68 | if (isset($field_info['alias']) && $field_info['alias'] === $existing_field_alias) { |
69 | // Field already exists, use it for sorting. |
70 | $this->query->addOrderBy(NULL, NULL, $this->options['order'], $existing_field_alias); |
71 | return; |
72 | } |
73 | } |
74 | |
75 | // Field doesn't exist, create our own CASE expression. |
76 | $field = "$this->tableAlias.$this->realField"; |
77 | |
78 | $ranges_text = $this->options['ranges']; |
79 | $ranges = preg_split('/\r\n|\r|\n/', $ranges_text); |
80 | $ranges = array_map('trim', $ranges); |
81 | $ranges = array_filter($ranges, function ($range) { |
82 | return trim($range) !== ''; |
83 | }); |
84 | |
85 | $case_sql = []; |
86 | $i = 0; |
87 | foreach ($ranges as $range) { |
88 | // Range "X-Y". |
89 | if (preg_match('/^(\d+)\-(\d+)$/', $range, $m)) { |
90 | $case_sql[] = "WHEN $field BETWEEN {$m[1]} AND {$m[2]} THEN $i"; |
91 | } |
92 | // Range "X+". |
93 | elseif (preg_match('/^(\d+)\+$/', $range, $m)) { |
94 | $case_sql[] = "WHEN $field >= {$m[1]} THEN $i"; |
95 | } |
96 | // Exact number. |
97 | elseif (is_numeric($range)) { |
98 | $case_sql[] = "WHEN $field = {$range} THEN $i"; |
99 | } |
100 | } |
101 | |
102 | $case_expression = "CASE " . implode(' ', $case_sql) . " ELSE 9999 END"; |
103 | |
104 | // Tell Views how to sort. |
105 | $this->query->addOrderBy(NULL, $case_expression, $this->options['order'], $existing_field_alias); |
106 | } |
107 | |
108 | /** |
109 | * {@inheritdoc} |
110 | */ |
111 | public function postExecute(&$values) { |
112 | $values = SequenceService::integer($values, $this->tableAlias . '_' . $this->realField . '__range', $this->getTotalRanges()); |
113 | } |
114 | |
115 | } |