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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Cosray\Migration; |
| 6 | |
| 7 | use Cosray\Block\Heading; |
| 8 | use Cosray\Block\Iframe; |
| 9 | use Cosray\Block\Image; |
| 10 | use Cosray\Block\Images; |
| 11 | use Cosray\Block\RichText; |
| 12 | use Cosray\Block\Text; |
| 13 | use Cosray\Block\Video; |
| 14 | use Cosray\Block\Youtube; |
| 15 | use Cosray\Field; |
| 16 | use Cosray\Uid; |
| 17 | |
| 18 | /** |
| 19 | * Reshapes legacy blocks fields into typed rows for migration |
| 20 | * 000000-000031: `{type: id, colspan, rowspan, colstart, width, value, |
| 21 | * meta}` becomes `{uid, type: class, layout: {colspan, rowspan, indent}, |
| 22 | * fields, meta?}`. |
| 23 | * |
| 24 | * Layouts are copied, never clamped against the field's columns — the |
| 25 | * schema is unknown here and every reader clamps. Rows that already |
| 26 | * carry `layout` and `fields`, blocks of unknown type and fields that |
| 27 | * are not blocks pass through untouched; the report lists what was |
| 28 | * converted, generated, dropped and skipped. |
| 29 | */ |
| 30 | final class BlockRowConverter |
| 31 | { |
| 32 | private const string ZXX = Field\Field::NEUTRAL_LOCALE; |
| 33 | |
| 34 | /** The implicit column count every legacy span was measured in. */ |
| 35 | private const int LEGACY_COLUMNS = 12; |
| 36 | |
| 37 | /** @var array<string, class-string> Legacy type id to block class. */ |
| 38 | private const array TYPES = [ |
| 39 | 'richtext' => RichText::class, |
| 40 | 'html' => RichText::class, |
| 41 | 'text' => Text::class, |
| 42 | 'h1' => Heading::class, |
| 43 | 'h2' => Heading::class, |
| 44 | 'h3' => Heading::class, |
| 45 | 'h4' => Heading::class, |
| 46 | 'h5' => Heading::class, |
| 47 | 'h6' => Heading::class, |
| 48 | 'image' => Image::class, |
| 49 | 'images' => Images::class, |
| 50 | 'video' => Video::class, |
| 51 | 'youtube' => Youtube::class, |
| 52 | 'iframe' => Iframe::class, |
| 53 | ]; |
| 54 | |
| 55 | private const array ASPECT_RATIO = ['aspectRatioX', 'aspectRatioY']; |
| 56 | private const array FIELD_META = ['columns', 'minCellWidth']; |
| 57 | |
| 58 | private array $report = [ |
| 59 | 'fields' => 0, |
| 60 | 'blocks' => 0, |
| 61 | 'types' => [], |
| 62 | 'uidsGenerated' => 0, |
| 63 | 'legacyRichtext' => 0, |
| 64 | 'droppedMediaItems' => 0, |
| 65 | 'droppedItems' => 0, |
| 66 | 'metaKeys' => [], |
| 67 | 'unknownTypes' => [], |
| 68 | 'unresolvedFieldTypes' => [], |
| 69 | ]; |
| 70 | |
| 71 | private string $table = ''; |
| 72 | private string $row = ''; |
| 73 | |
| 74 | public function __construct( |
| 75 | private readonly Uid $uid, |
| 76 | ) {} |
| 77 | |
| 78 | /** |
| 79 | * @param array<string, mixed> $content |
| 80 | * @param string $table Where the content came from, for the report. |
| 81 | * @param string $row The row's key within that table, for the report. |
| 82 | */ |
| 83 | public function convert(array $content, string $table = '', string $row = ''): array |
| 84 | { |
| 85 | $this->table = $table; |
| 86 | $this->row = $row; |
| 87 | |
| 88 | return $this->walk($content, ''); |
| 89 | } |
| 90 | |
| 91 | public function report(): array |
| 92 | { |
| 93 | return $this->report; |
| 94 | } |
| 95 | |
| 96 | private function walk(array $data, string $path): array |
| 97 | { |
| 98 | if ($this->isBlocksField($data)) { |
| 99 | return $this->field($data, $path); |
| 100 | } |
| 101 | |
| 102 | foreach ($data as $key => $value) { |
| 103 | if (is_array($value)) { |
| 104 | $data[$key] = $this->walk($value, $path === '' ? (string) $key : "{$path}.{$key}"); |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | return $data; |
| 109 | } |
| 110 | |
| 111 | private function isBlocksField(array $data): bool |
| 112 | { |
| 113 | $type = $data['type'] ?? null; |
| 114 | $value = $data['value'] ?? null; |
| 115 | |
| 116 | if (!is_string($type) || !is_array($value)) { |
| 117 | return false; |
| 118 | } |
| 119 | |
| 120 | return is_a($type, Field\Blocks::class, true) || $this->looksLikeBlocks($value); |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * A locale map of lists whose items carry `colspan`: the stored |
| 125 | * field class no longer autoloads, the value still says blocks. |
| 126 | */ |
| 127 | private function looksLikeBlocks(array $value): bool |
| 128 | { |
| 129 | if ($value === [] || array_is_list($value)) { |
| 130 | return false; |
| 131 | } |
| 132 | |
| 133 | $found = false; |
| 134 | |
| 135 | foreach ($value as $locale => $list) { |
| 136 | if (!is_string($locale) || !$this->isLocaleKey($locale)) { |
| 137 | return false; |
| 138 | } |
| 139 | |
| 140 | if ($list === null) { |
| 141 | continue; |
| 142 | } |
| 143 | |
| 144 | if (!is_array($list) || !array_is_list($list)) { |
| 145 | return false; |
| 146 | } |
| 147 | |
| 148 | foreach ($list as $item) { |
| 149 | if (is_array($item) && array_key_exists('colspan', $item)) { |
| 150 | $found = true; |
| 151 | } |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | return $found; |
| 156 | } |
| 157 | |
| 158 | private function field(array $data, string $path): array |
| 159 | { |
| 160 | $this->report['fields']++; |
| 161 | |
| 162 | if (!is_a($data['type'], Field\Blocks::class, true)) { |
| 163 | $this->count('unresolvedFieldTypes', $data['type']); |
| 164 | } |
| 165 | |
| 166 | $result = []; |
| 167 | |
| 168 | foreach ($data as $key => $entry) { |
| 169 | if ($key === 'value') { |
| 170 | $result['value'] = $this->valueMap($entry, $path); |
| 171 | |
| 172 | continue; |
| 173 | } |
| 174 | |
| 175 | if ($key === 'meta') { |
| 176 | $meta = is_array($entry) ? array_diff_key($entry, array_flip(self::FIELD_META)) : []; |
| 177 | |
| 178 | if ($meta !== []) { |
| 179 | $result['meta'] = $meta; |
| 180 | } |
| 181 | |
| 182 | continue; |
| 183 | } |
| 184 | |
| 185 | $result[$key] = $entry; |
| 186 | } |
| 187 | |
| 188 | return $result; |
| 189 | } |
| 190 | |
| 191 | private function valueMap(array $value, string $path): array |
| 192 | { |
| 193 | foreach ($value as $locale => $list) { |
| 194 | if (!is_array($list)) { |
| 195 | continue; |
| 196 | } |
| 197 | |
| 198 | $rows = []; |
| 199 | |
| 200 | foreach ($list as $index => $item) { |
| 201 | if (!is_array($item)) { |
| 202 | $this->report['droppedItems']++; |
| 203 | |
| 204 | continue; |
| 205 | } |
| 206 | |
| 207 | $rows[] = $this->block($item, (string) $locale, $path, (int) $index); |
| 208 | } |
| 209 | |
| 210 | $value[$locale] = $rows; |
| 211 | } |
| 212 | |
| 213 | return $value; |
| 214 | } |
| 215 | |
| 216 | /** @param array<string, mixed> $block */ |
| 217 | private function block(array $block, string $locale, string $path, int $index): array |
| 218 | { |
| 219 | if (isset($block['layout'], $block['fields'])) { |
| 220 | return $block; |
| 221 | } |
| 222 | |
| 223 | $type = $block['type'] ?? null; |
| 224 | $class = is_string($type) ? self::TYPES[$type] ?? null : null; |
| 225 | |
| 226 | if ($class === null) { |
| 227 | $this->report['unknownTypes'][] = [ |
| 228 | 'table' => $this->table, |
| 229 | 'row' => $this->row, |
| 230 | 'field' => $path, |
| 231 | 'locale' => $locale, |
| 232 | 'index' => $index, |
| 233 | 'type' => $type, |
| 234 | ]; |
| 235 | |
| 236 | return $block; |
| 237 | } |
| 238 | |
| 239 | $this->report['blocks']++; |
| 240 | $this->count('types', $type); |
| 241 | $uid = $block['uid'] ?? null; |
| 242 | |
| 243 | if (!is_string($uid) || $uid === '') { |
| 244 | $uid = $this->uid->generate(); |
| 245 | $this->report['uidsGenerated']++; |
| 246 | } |
| 247 | |
| 248 | $result = [ |
| 249 | 'uid' => $uid, |
| 250 | 'type' => $class, |
| 251 | 'layout' => $this->layout($block), |
| 252 | 'fields' => $this->fields($type, $block, $locale), |
| 253 | ]; |
| 254 | $meta = $this->blockMeta($type, is_array($block['meta'] ?? null) ? $block['meta'] : []); |
| 255 | |
| 256 | if ($meta !== []) { |
| 257 | $result['meta'] = $meta; |
| 258 | } |
| 259 | |
| 260 | return $result; |
| 261 | } |
| 262 | |
| 263 | /** |
| 264 | * Values below the range no schema could accept are floored; the |
| 265 | * field's real bounds are applied by the readers and the shape. |
| 266 | * |
| 267 | * @return array{colspan: int, rowspan: int, indent: int} |
| 268 | */ |
| 269 | private function layout(array $block): array |
| 270 | { |
| 271 | $colstart = $this->int($block['colstart'] ?? null); |
| 272 | |
| 273 | return [ |
| 274 | 'colspan' => max(1, $this->int($block['colspan'] ?? null) ?? self::LEGACY_COLUMNS), |
| 275 | 'rowspan' => max(1, $this->int($block['rowspan'] ?? null) ?? 1), |
| 276 | 'indent' => $colstart === null ? 0 : max(0, $colstart - 1), |
| 277 | ]; |
| 278 | } |
| 279 | |
| 280 | /** @return array<string, array> */ |
| 281 | private function fields(string $type, array $block, string $locale): array |
| 282 | { |
| 283 | $value = $block['value'] ?? null; |
| 284 | |
| 285 | return match ($type) { |
| 286 | 'richtext', 'html' => ['text' => $this->richtext($block, $locale)], |
| 287 | 'text' => ['text' => $this->scalar(Field\Textarea::class, $value, $locale)], |
| 288 | 'h1', 'h2', 'h3', 'h4', 'h5', 'h6' => [ |
| 289 | 'text' => $this->scalar(Field\Text::class, $value, $locale), |
| 290 | 'level' => ['type' => Field\Option::class, 'value' => [self::ZXX => substr($type, 1)]], |
| 291 | ], |
| 292 | 'image' => ['image' => $this->media(Field\Image::class, $value, $locale, 1)], |
| 293 | 'images' => ['images' => $this->media(Field\Image::class, $value, $locale, null)], |
| 294 | 'video' => ['video' => $this->media(Field\Video::class, $value, $locale, 1)], |
| 295 | 'youtube' => ['video' => $this->youtube($block, $locale)], |
| 296 | 'iframe' => ['code' => $this->scalar(Field\Iframe::class, $value, $locale)], |
| 297 | }; |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * The envelope moves with the document. A block without one is |
| 302 | * legacy HTML the richtext migration has not seen; it keeps its |
| 303 | * markless value so that migration still recognizes it. |
| 304 | */ |
| 305 | private function richtext(array $block, string $locale): array |
| 306 | { |
| 307 | $result = ['type' => Field\RichText::class]; |
| 308 | |
| 309 | if (is_string($block['format'] ?? null) && $block['format'] !== '') { |
| 310 | $result['format'] = $block['format']; |
| 311 | $result['version'] = $block['version'] ?? null; |
| 312 | } else { |
| 313 | $this->report['legacyRichtext']++; |
| 314 | } |
| 315 | |
| 316 | $result['value'] = [self::ZXX => $this->pick($block['value'] ?? null, $locale)]; |
| 317 | |
| 318 | return $result; |
| 319 | } |
| 320 | |
| 321 | private function youtube(array $block, string $locale): array |
| 322 | { |
| 323 | $result = [ |
| 324 | 'type' => Field\Youtube::class, |
| 325 | 'value' => [self::ZXX => $this->pick($block['value'] ?? null, $locale)], |
| 326 | ]; |
| 327 | $meta = is_array($block['meta'] ?? null) ? $block['meta'] : []; |
| 328 | |
| 329 | foreach (self::ASPECT_RATIO as $key) { |
| 330 | if (array_key_exists($key, $meta)) { |
| 331 | $result['meta'][$key] = $meta[$key]; |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | return $result; |
| 336 | } |
| 337 | |
| 338 | private function scalar(string $class, mixed $value, string $locale): array |
| 339 | { |
| 340 | return ['type' => $class, 'value' => [self::ZXX => $this->pick($value, $locale)]]; |
| 341 | } |
| 342 | |
| 343 | private function media(string $class, mixed $value, string $locale, ?int $limit): array |
| 344 | { |
| 345 | $items = $this->pick($value, $locale); |
| 346 | $items = is_array($items) ? array_values(array_filter($items, is_array(...))) : []; |
| 347 | |
| 348 | if ($limit !== null && count($items) > $limit) { |
| 349 | $this->report['droppedMediaItems'] += count($items) - $limit; |
| 350 | $items = array_slice($items, 0, $limit); |
| 351 | } |
| 352 | |
| 353 | return ['type' => $class, 'value' => [self::ZXX => $items]]; |
| 354 | } |
| 355 | |
| 356 | /** |
| 357 | * A block's value: lists (media items) as they are; of a locale map |
| 358 | * the neutral entry, else the entry of the list's own locale, else |
| 359 | * the first one — a sub-field of a per-locale or untranslated list |
| 360 | * is untranslated. |
| 361 | */ |
| 362 | private function pick(mixed $value, string $locale): mixed |
| 363 | { |
| 364 | if (!is_array($value)) { |
| 365 | return $value; |
| 366 | } |
| 367 | |
| 368 | if ($value === []) { |
| 369 | return null; |
| 370 | } |
| 371 | |
| 372 | if (array_is_list($value)) { |
| 373 | return $value; |
| 374 | } |
| 375 | |
| 376 | if (array_key_exists(self::ZXX, $value)) { |
| 377 | return $value[self::ZXX]; |
| 378 | } |
| 379 | |
| 380 | return array_key_exists($locale, $value) ? $value[$locale] : reset($value); |
| 381 | } |
| 382 | |
| 383 | /** |
| 384 | * Block meta minus the YouTube aspect ratio, which moved into the |
| 385 | * field, and minus empty entries, so the report counts real uses. |
| 386 | */ |
| 387 | private function blockMeta(string $type, array $meta): array |
| 388 | { |
| 389 | if ($type === 'youtube') { |
| 390 | $meta = array_diff_key($meta, array_flip(self::ASPECT_RATIO)); |
| 391 | } |
| 392 | |
| 393 | $result = []; |
| 394 | |
| 395 | foreach ($meta as $key => $value) { |
| 396 | if ($this->isEmpty($value)) { |
| 397 | continue; |
| 398 | } |
| 399 | |
| 400 | $result[$key] = $value; |
| 401 | $this->count('metaKeys', (string) $key); |
| 402 | } |
| 403 | |
| 404 | return $result; |
| 405 | } |
| 406 | |
| 407 | private function isEmpty(mixed $value): bool |
| 408 | { |
| 409 | if (!is_array($value)) { |
| 410 | return $value === null || $value === ''; |
| 411 | } |
| 412 | |
| 413 | foreach ($value as $entry) { |
| 414 | if (!$this->isEmpty($entry)) { |
| 415 | return false; |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | return true; |
| 420 | } |
| 421 | |
| 422 | private function int(mixed $value): ?int |
| 423 | { |
| 424 | return is_int($value) || is_string($value) && is_numeric($value) || is_float($value) ? (int) $value : null; |
| 425 | } |
| 426 | |
| 427 | private function count(string $bucket, string $key): void |
| 428 | { |
| 429 | $this->report[$bucket][$key] = ($this->report[$bucket][$key] ?? 0) + 1; |
| 430 | } |
| 431 | |
| 432 | private function isLocaleKey(string $key): bool |
| 433 | { |
| 434 | return $key === self::ZXX || preg_match('/^[a-z]{2}(?:[-_][A-Za-z0-9]{2,8})?$/', $key) === 1; |
| 435 | } |
| 436 | } |