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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Cosray\Node; |
| 6 | |
| 7 | use Celema\Verba\Translator; |
| 8 | use Celema\Verba\Verba; |
| 9 | use Cosray\Actor; |
| 10 | use Cosray\Cms; |
| 11 | use Cosray\Context; |
| 12 | use Cosray\Exception\RuntimeException; |
| 13 | use Cosray\Field\Field; |
| 14 | use Cosray\Title\Resolver as TitleResolver; |
| 15 | use Cosray\Util\Transaction; |
| 16 | use Throwable; |
| 17 | |
| 18 | /** |
| 19 | * Copies a node — with children, its whole subtree — through the regular |
| 20 | * create pipeline, so validation, reference indexing, title |
| 21 | * materialization, and path generation all apply to the copies. |
| 22 | */ |
| 23 | final class Duplicator |
| 24 | { |
| 25 | private readonly Factory $factory; |
| 26 | private readonly Serializer $serializer; |
| 27 | private readonly Store $store; |
| 28 | private readonly TitleResolver $titles; |
| 29 | |
| 30 | /** @var array<string, string> Copy marker per content locale, lazily translated. */ |
| 31 | private array $markers = []; |
| 32 | |
| 33 | public function __construct( |
| 34 | private readonly Context $context, |
| 35 | private readonly Cms $cms, |
| 36 | Types $types, |
| 37 | ) { |
| 38 | $this->titles = new TitleResolver($types); |
| 39 | $this->factory = $cms->nodeFactory(); |
| 40 | $this->serializer = new Serializer($types, $this->factory->uid()); |
| 41 | $this->store = new Store( |
| 42 | $context->db, |
| 43 | new PathManager(ReservedPaths::fromConfig($context->config)), |
| 44 | $types, |
| 45 | $this->factory->uid(), |
| 46 | factory: $this->factory, |
| 47 | cms: $cms, |
| 48 | context: $context, |
| 49 | ); |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Every copy starts as an unlocked draft with a fresh uid and no |
| 54 | * handle. Children are created after their copied parent, so their |
| 55 | * generated routes compose under the copy's actual paths. |
| 56 | * |
| 57 | * @return array{success: true, created: list<string>} |
| 58 | */ |
| 59 | public function duplicate(Wrapper $node, Actor $actor, bool $withChildren = false): array |
| 60 | { |
| 61 | try { |
| 62 | $created = Transaction::run($this->context->db, fn(): array => $this->copyTree( |
| 63 | $node, |
| 64 | $actor, |
| 65 | $withChildren, |
| 66 | )); |
| 67 | } catch (Throwable $e) { |
| 68 | throw new RuntimeException( |
| 69 | 'Error while duplicating: ' . $e->getMessage(), |
| 70 | (int) $e->getCode(), |
| 71 | previous: $e, |
| 72 | ); |
| 73 | } |
| 74 | |
| 75 | return [ |
| 76 | 'success' => true, |
| 77 | 'created' => $created, |
| 78 | ]; |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Copies the node, and with children its subtree, breadth first. |
| 83 | * |
| 84 | * @return list<string> The uids of the copies |
| 85 | */ |
| 86 | private function copyTree(Wrapper $node, Actor $actor, bool $withChildren): array |
| 87 | { |
| 88 | $created = []; |
| 89 | $parent = $node->meta->get('parent'); |
| 90 | $copied = [$node->meta->uid]; |
| 91 | // Only the subtree root gets the copy marker: it is the entry |
| 92 | // the user looks for in the listing afterwards. |
| 93 | $queue = [[$node, is_string($parent) && trim($parent) !== '' ? $parent : null, true]]; |
| 94 | |
| 95 | while ($queue !== []) { |
| 96 | [$current, $parentUid, $mark] = array_shift($queue); |
| 97 | $copyUid = $this->copy($current, $parentUid, $actor, $mark); |
| 98 | $created[] = $copyUid; |
| 99 | |
| 100 | if (!$withChildren) { |
| 101 | break; |
| 102 | } |
| 103 | |
| 104 | foreach ($this->childUids($current->meta->uid) as $childUid) { |
| 105 | // A parent cycle would queue forever; unseen sources only. |
| 106 | if (in_array($childUid, $copied, true)) { |
| 107 | continue; |
| 108 | } |
| 109 | |
| 110 | $child = $this->cms->node->byUid($childUid, published: null); |
| 111 | |
| 112 | if ($child) { |
| 113 | $copied[] = $childUid; |
| 114 | $queue[] = [$child, $copyUid, false]; |
| 115 | } |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | return $created; |
| 120 | } |
| 121 | |
| 122 | private function copy(Wrapper $wrapper, ?string $parentUid, Actor $actor, bool $mark): string |
| 123 | { |
| 124 | $source = Wrapper::unwrap($wrapper); |
| 125 | $data = $this->serializer->read( |
| 126 | $source, |
| 127 | Factory::dataFor($source), |
| 128 | Factory::fieldNamesFor($source), |
| 129 | ); |
| 130 | |
| 131 | // No uid key: the store generates a fresh one with its own retry. |
| 132 | unset($data['uid']); |
| 133 | $data['parent'] = $parentUid; |
| 134 | $data['published'] = false; |
| 135 | // The store refuses locked payloads, and a locked copy could not |
| 136 | // be edited afterwards. |
| 137 | $data['locked'] = false; |
| 138 | // Handles are unique identities, never copied. |
| 139 | $data['handle'] = null; |
| 140 | // Empty paths force regeneration under the copy's parent; |
| 141 | // PathManager suffixes any collision with the source's paths. |
| 142 | $data['paths'] = $this->emptyPaths(); |
| 143 | |
| 144 | if ($mark && is_array($data['content'] ?? null)) { |
| 145 | $data['content'] = $this->markCopy($source::class, $data['content']); |
| 146 | } |
| 147 | |
| 148 | // A blueprint object instead of the source node: the store falls |
| 149 | // back to node meta for absent data keys (uid, parent, handle), |
| 150 | // and the source's must not leak into the copy. |
| 151 | $blueprint = $this->factory->blueprint($source::class, $this->context, $this->cms); |
| 152 | $result = $this->store->create($blueprint, $data, $this->context->locales(), $actor); |
| 153 | |
| 154 | return $result['uid']; |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Appends the localized copy marker to every non-empty locale value of |
| 159 | * the title field, so the copy is identifiable in the listing. |
| 160 | * Types without a writable title field stay unmarked. |
| 161 | * |
| 162 | * @param class-string $class |
| 163 | * @param array<string, mixed> $content |
| 164 | * @return array<string, mixed> |
| 165 | */ |
| 166 | private function markCopy(string $class, array $content): array |
| 167 | { |
| 168 | $field = $this->titles->writableField($class); |
| 169 | $value = $field === null ? null : $content[$field]['value'] ?? null; |
| 170 | |
| 171 | if ($field === null || !is_array($value)) { |
| 172 | return $content; |
| 173 | } |
| 174 | |
| 175 | foreach ($value as $locale => $text) { |
| 176 | if (!is_string($text) || trim($text) === '') { |
| 177 | continue; |
| 178 | } |
| 179 | |
| 180 | $content[$field]['value'][$locale] = $text . ' ' . $this->marker((string) $locale); |
| 181 | } |
| 182 | |
| 183 | return $content; |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * The copy marker translated into a content locale (the default locale |
| 188 | * for the neutral key), resolved through a briefly activated |
| 189 | * per-locale translator so the scanner sees the message id. |
| 190 | */ |
| 191 | private function marker(string $localeId): string |
| 192 | { |
| 193 | if (array_key_exists($localeId, $this->markers)) { |
| 194 | return $this->markers[$localeId]; |
| 195 | } |
| 196 | |
| 197 | $locales = $this->context->locales(); |
| 198 | $locale = $localeId === Field::NEUTRAL_LOCALE || !$locales->exists($localeId) |
| 199 | ? $locales->getDefault() |
| 200 | : $locales->get($localeId); |
| 201 | $previous = Verba::translator(); |
| 202 | Verba::activate(new Translator($locale->id, $locales->catalogs(), $locale->fallbacks())); |
| 203 | |
| 204 | try { |
| 205 | $marker = __('node:copy-suffix'); |
| 206 | } finally { |
| 207 | if ($previous) { |
| 208 | Verba::activate($previous); |
| 209 | } else { |
| 210 | Verba::deactivate(); |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | return $this->markers[$localeId] = $marker; |
| 215 | } |
| 216 | |
| 217 | /** @return list<string> */ |
| 218 | private function childUids(string $uid): array |
| 219 | { |
| 220 | return array_map( |
| 221 | static fn(array $row): string => (string) $row['uid'], |
| 222 | $this->context->db->nodes->childUids(['uid' => $uid])->all(), |
| 223 | ); |
| 224 | } |
| 225 | |
| 226 | /** @return array<string, string> */ |
| 227 | private function emptyPaths(): array |
| 228 | { |
| 229 | $paths = []; |
| 230 | |
| 231 | foreach ($this->context->locales() as $locale) { |
| 232 | $paths[$locale->id] = ''; |
| 233 | } |
| 234 | |
| 235 | return $paths; |
| 236 | } |
| 237 | } |