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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Cosray\Collection; |
| 6 | |
| 7 | use Cosray\Collection; |
| 8 | use Cosray\Exception\RuntimeException; |
| 9 | use Cosray\Node\Types; |
| 10 | use Cosray\Node\Wrapper; |
| 11 | |
| 12 | /** |
| 13 | * List, row and hierarchy logic for collection pages. |
| 14 | * |
| 15 | * Kept out of the Collection base class so collections stay pure |
| 16 | * configuration + query objects. |
| 17 | */ |
| 18 | final class Listing |
| 19 | { |
| 20 | public function __construct( |
| 21 | private readonly Collection $collection, |
| 22 | private readonly Types $types, |
| 23 | ) {} |
| 24 | |
| 25 | public function list( |
| 26 | int $offset = 0, |
| 27 | int $limit = 50, |
| 28 | string $q = '', |
| 29 | string $sort = '', |
| 30 | string $dir = 'desc', |
| 31 | ?string $parent = null, |
| 32 | ): array { |
| 33 | $nodes = $this->collection->entries(); |
| 34 | |
| 35 | if ($this->collection->listMeta->showChildren) { |
| 36 | $parent = trim((string) $parent); |
| 37 | |
| 38 | if ($parent === '') { |
| 39 | $nodes->roots(); |
| 40 | } else { |
| 41 | $nodes->childrenOf($parent); |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | $q = trim($q); |
| 46 | |
| 47 | if ($q !== '') { |
| 48 | $nodes->search($q, $this->collection->searchFields()); |
| 49 | } |
| 50 | |
| 51 | [$sort, $dir, $order] = $this->resolveOrder($sort, $dir); |
| 52 | $nodes->order(...$order); |
| 53 | |
| 54 | $total = $nodes->count(); |
| 55 | $nodes->offset($offset)->limit($limit); |
| 56 | $pageNodes = iterator_to_array($nodes); |
| 57 | |
| 58 | return [ |
| 59 | 'total' => $total, |
| 60 | 'offset' => $offset, |
| 61 | 'limit' => $limit, |
| 62 | 'q' => $q, |
| 63 | 'sort' => $sort, |
| 64 | 'dir' => $dir, |
| 65 | 'nodes' => $this->rows($pageNodes), |
| 66 | ]; |
| 67 | } |
| 68 | |
| 69 | /** @return list<array{slug: string, name: string}> */ |
| 70 | public function childBlueprints(Wrapper $node): array |
| 71 | { |
| 72 | $children = $node->meta->type->children; |
| 73 | |
| 74 | if (!is_array($children) || $children === []) { |
| 75 | return []; |
| 76 | } |
| 77 | |
| 78 | $result = []; |
| 79 | |
| 80 | foreach ($children as $class) { |
| 81 | if (!is_string($class) || $class === '') { |
| 82 | throw new RuntimeException('The children schema must contain non-empty class names'); |
| 83 | } |
| 84 | |
| 85 | if (!$this->types->isNode($class)) { |
| 86 | throw new RuntimeException("Unknown child node class '{$class}' in #[Children(...)]"); |
| 87 | } |
| 88 | |
| 89 | $result[] = [ |
| 90 | 'slug' => (string) $this->types->get($class, 'handle'), |
| 91 | 'name' => (string) $this->types->get($class, 'label'), |
| 92 | ]; |
| 93 | } |
| 94 | |
| 95 | return $result; |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * @param list<Wrapper> $nodes |
| 100 | */ |
| 101 | private function rows(array $nodes): array |
| 102 | { |
| 103 | $result = []; |
| 104 | $hasChildren = $this->collection->listMeta->showChildren |
| 105 | ? $this->hasChildrenMap($nodes) |
| 106 | : []; |
| 107 | |
| 108 | foreach ($nodes as $node) { |
| 109 | $result[] = $this->row($node, $hasChildren[$node->meta->uid] ?? false); |
| 110 | } |
| 111 | |
| 112 | return $result; |
| 113 | } |
| 114 | |
| 115 | private function row(Wrapper $node, bool $hasChildren): array |
| 116 | { |
| 117 | $columns = []; |
| 118 | $parent = $node->meta->get('parent'); |
| 119 | |
| 120 | if (!is_string($parent) || trim($parent) === '') { |
| 121 | $parent = null; |
| 122 | } |
| 123 | |
| 124 | $childBlueprints = $this->collection->listMeta->showChildren |
| 125 | ? $this->childBlueprints($node) |
| 126 | : []; |
| 127 | |
| 128 | foreach ($this->collection->columns() as $column) { |
| 129 | $columns[] = $column->get($node); |
| 130 | } |
| 131 | |
| 132 | return [ |
| 133 | 'uid' => $node->meta->uid, |
| 134 | 'published' => $node->meta->published, |
| 135 | 'locked' => $node->meta->locked, |
| 136 | 'hidden' => $node->meta->hidden, |
| 137 | 'parent' => $parent, |
| 138 | 'hasChildren' => $hasChildren, |
| 139 | 'childBlueprints' => $childBlueprints, |
| 140 | 'columns' => $columns, |
| 141 | ]; |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * @param list<Wrapper> $nodes |
| 146 | * @return array<string, bool> |
| 147 | */ |
| 148 | private function hasChildrenMap(array $nodes): array |
| 149 | { |
| 150 | if ($nodes === []) { |
| 151 | return []; |
| 152 | } |
| 153 | |
| 154 | $uids = []; |
| 155 | |
| 156 | foreach ($nodes as $node) { |
| 157 | $uids[] = $node->meta->uid; |
| 158 | } |
| 159 | |
| 160 | $uids = array_values(array_unique($uids)); |
| 161 | $list = implode(',', array_map( |
| 162 | static fn(string $uid): string => "'" . str_replace("'", "\\\\'", $uid) . "'", |
| 163 | $uids, |
| 164 | )); |
| 165 | |
| 166 | if ($list === '') { |
| 167 | return []; |
| 168 | } |
| 169 | |
| 170 | $children = $this->collection |
| 171 | ->cms |
| 172 | ->nodes("parent @ [{$list}]") |
| 173 | ->published(null) |
| 174 | ->hidden(null); |
| 175 | $result = []; |
| 176 | |
| 177 | foreach ($children as $child) { |
| 178 | $parentUid = $child->meta->get('parent'); |
| 179 | |
| 180 | if (is_string($parentUid) && $parentUid !== '') { |
| 181 | $result[$parentUid] = true; |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | return $result; |
| 186 | } |
| 187 | |
| 188 | private function resolveOrder(string $sort, string $dir): array |
| 189 | { |
| 190 | $sort = trim($sort); |
| 191 | $dir = strtolower(trim($dir)); |
| 192 | $dir = in_array($dir, ['asc', 'desc'], true) ? $dir : strtolower($this->collection->defaultDir()); |
| 193 | $sorts = $this->collection->sorts(); |
| 194 | $sort = array_key_exists($sort, $sorts) ? $sort : $this->collection->defaultSort(); |
| 195 | $field = $sorts[$sort] ?? 'changed'; |
| 196 | $order = [sprintf('%s %s', $field, strtoupper($dir))]; |
| 197 | |
| 198 | if ($field !== 'uid') { |
| 199 | $order[] = 'uid ASC'; |
| 200 | } |
| 201 | |
| 202 | return [$sort, $dir, $order]; |
| 203 | } |
| 204 | } |