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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Cosray\Panel; |
| 6 | |
| 7 | use Closure; |
| 8 | use Cosray\Block\Layout; |
| 9 | use Cosray\Uid; |
| 10 | |
| 11 | /** |
| 12 | * Patches stored node content with submitted editor form data. |
| 13 | * |
| 14 | * The form is a per-field patch, never a reconstruction: only fields the |
| 15 | * form actually carries are replaced, unknown keys inside the stored |
| 16 | * content survive untouched. Primitive leaves are cast according to the |
| 17 | * field's control descriptor; rich fields submit their complete value |
| 18 | * (and optionally meta) as one JSON string under the [json] key. |
| 19 | */ |
| 20 | final class FormPatch |
| 21 | { |
| 22 | /** @param list<array> $fields field property payloads incl. control descriptors */ |
| 23 | public function __construct( |
| 24 | private readonly array $fields, |
| 25 | private readonly Uid $uid = new Uid(Uid::ALPHABET_LOWERCASE_WORD_SAFE, 13), |
| 26 | ) {} |
| 27 | |
| 28 | public function content(array $stored, array $submitted): array |
| 29 | { |
| 30 | foreach ($this->fields as $field) { |
| 31 | $name = $field['name'] ?? null; |
| 32 | |
| 33 | if (!is_string($name) || !is_array($submitted[$name] ?? null)) { |
| 34 | continue; |
| 35 | } |
| 36 | |
| 37 | $entry = $stored[$name] ?? ['type' => $field['type'] ?? null, 'value' => []]; |
| 38 | $patched = $this->entry( |
| 39 | $field['control'] ?? [], |
| 40 | $field['metaControl'] ?? null, |
| 41 | $entry, |
| 42 | $submitted[$name], |
| 43 | ); |
| 44 | |
| 45 | if ($patched !== null) { |
| 46 | $stored[$name] = $patched; |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | return $stored; |
| 51 | } |
| 52 | |
| 53 | private function entry(array $control, ?array $metaControl, array $entry, array $submitted): ?array |
| 54 | { |
| 55 | $json = $submitted['json'] ?? null; |
| 56 | |
| 57 | if (is_string($json)) { |
| 58 | $decoded = json_decode($json, true); |
| 59 | |
| 60 | if (!is_array($decoded)) { |
| 61 | return null; |
| 62 | } |
| 63 | |
| 64 | if (array_key_exists('value', $decoded)) { |
| 65 | $entry['value'] = $decoded['value']; |
| 66 | } |
| 67 | |
| 68 | if (array_key_exists('meta', $decoded)) { |
| 69 | $entry['meta'] = $decoded['meta']; |
| 70 | } |
| 71 | |
| 72 | // Format envelope of structured richtext values. |
| 73 | foreach (['format', 'version'] as $key) { |
| 74 | if (isset($decoded[$key])) { |
| 75 | $entry[$key] = $decoded[$key]; |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | return $entry; |
| 80 | } |
| 81 | |
| 82 | $changed = false; |
| 83 | $value = $submitted['value'] ?? null; |
| 84 | |
| 85 | if (is_array($value)) { |
| 86 | $stored = is_array($entry['value'] ?? null) ? $entry['value'] : []; |
| 87 | |
| 88 | foreach ($value as $locale => $raw) { |
| 89 | $stored[$locale] = $this->cast($control, $raw, $stored[$locale] ?? null); |
| 90 | } |
| 91 | |
| 92 | $entry['value'] = $stored; |
| 93 | $changed = true; |
| 94 | } |
| 95 | |
| 96 | $meta = $submitted['meta'] ?? null; |
| 97 | |
| 98 | if (is_array($meta) && is_array($metaControl)) { |
| 99 | $entry['meta'] = $this->meta( |
| 100 | $metaControl, |
| 101 | is_array($entry['meta'] ?? null) ? $entry['meta'] : [], |
| 102 | $meta, |
| 103 | ); |
| 104 | $changed = true; |
| 105 | } |
| 106 | |
| 107 | return $changed ? $entry : null; |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * Replace the meta entries the metaControl group knows; unknown |
| 112 | * stored meta keys survive. |
| 113 | */ |
| 114 | private function meta(array $metaControl, array $stored, array $submitted): array |
| 115 | { |
| 116 | foreach ($metaControl['props']['fields'] ?? [] as $sub) { |
| 117 | $key = $sub['key'] ?? null; |
| 118 | |
| 119 | if (!is_string($key) || !is_array($submitted[$key] ?? null)) { |
| 120 | continue; |
| 121 | } |
| 122 | |
| 123 | $map = is_array($stored[$key] ?? null) ? $stored[$key] : []; |
| 124 | |
| 125 | foreach ($submitted[$key] as $locale => $raw) { |
| 126 | $map[$locale] = $this->cast($sub['control'] ?? [], $raw, $map[$locale] ?? null); |
| 127 | } |
| 128 | |
| 129 | $stored[$key] = $map; |
| 130 | } |
| 131 | |
| 132 | return $stored; |
| 133 | } |
| 134 | |
| 135 | private function cast(array $control, mixed $raw, mixed $stored): mixed |
| 136 | { |
| 137 | $name = $control['name'] ?? ''; |
| 138 | $props = $control['props'] ?? []; |
| 139 | |
| 140 | if ($name === 'group') { |
| 141 | // Replace only the keys the descriptor knows; anything else |
| 142 | // stored inside the group survives. |
| 143 | $result = is_array($stored) ? $stored : []; |
| 144 | |
| 145 | foreach ($props['fields'] ?? [] as $sub) { |
| 146 | $key = $sub['key'] ?? null; |
| 147 | |
| 148 | if (!is_string($key) || !is_array($raw) || !array_key_exists($key, $raw)) { |
| 149 | continue; |
| 150 | } |
| 151 | |
| 152 | $result[$key] = $this->cast($sub['control'] ?? [], $raw[$key], $result[$key] ?? null); |
| 153 | } |
| 154 | |
| 155 | return $result; |
| 156 | } |
| 157 | |
| 158 | if ($name === 'repeater') { |
| 159 | // Lists are replaced wholesale; index gaps left by removed |
| 160 | // rows are normalized away. |
| 161 | $item = $props['item'] ?? []; |
| 162 | |
| 163 | return array_map( |
| 164 | fn(mixed $rawItem): mixed => $this->cast($item, $rawItem, null), |
| 165 | is_array($raw) ? array_values($raw) : [], |
| 166 | ); |
| 167 | } |
| 168 | |
| 169 | if ($name === 'entries' || $name === 'blocks') { |
| 170 | $rows = is_array($raw) ? array_values($raw) : []; |
| 171 | $stored = is_array($stored) ? $stored : []; |
| 172 | |
| 173 | return $name === 'entries' |
| 174 | ? $this->entries($props, $rows, $stored) |
| 175 | : $this->blocks($props, $rows, $stored); |
| 176 | } |
| 177 | |
| 178 | return match ($name) { |
| 179 | 'checkbox' => $raw === '1' || $raw === 'on' || $raw === true, |
| 180 | 'number' => is_numeric($raw) ? (float) $raw : null, |
| 181 | default => is_scalar($raw) ? (string) $raw : null, |
| 182 | }; |
| 183 | } |
| 184 | |
| 185 | private function entries(array $props, array $rows, array $stored): array |
| 186 | { |
| 187 | return $this->rows( |
| 188 | self::rowTypes($props['entryTypes'] ?? []), |
| 189 | $rows, |
| 190 | $stored, |
| 191 | static fn(array $storedRow, array $row, string $uid, string $type, array $fields): array => [ |
| 192 | ...$storedRow, |
| 193 | 'uid' => $uid, |
| 194 | 'type' => $type, |
| 195 | 'fields' => $fields, |
| 196 | ], |
| 197 | ); |
| 198 | } |
| 199 | |
| 200 | /** |
| 201 | * Block rows add the layout — ints clamped into the field's grid, so |
| 202 | * a stored out-of-range value the editor loaded saves back clamped, |
| 203 | * where the shape would reject it — and the block meta map, patched |
| 204 | * like a field's meta against the descriptor's meta group. |
| 205 | */ |
| 206 | private function blocks(array $props, array $rows, array $stored): array |
| 207 | { |
| 208 | $columns = is_int($props['columns'] ?? null) && $props['columns'] > 0 ? $props['columns'] : 1; |
| 209 | $min = is_int($props['min'] ?? null) && $props['min'] > 0 ? min($props['min'], $columns) : 1; |
| 210 | $metaControl = is_array($props['meta'] ?? null) ? $props['meta'] : null; |
| 211 | |
| 212 | return $this->rows( |
| 213 | self::rowTypes($props['blockTypes'] ?? []), |
| 214 | $rows, |
| 215 | $stored, |
| 216 | function (array $storedRow, array $row, string $uid, string $type, array $fields) use ( |
| 217 | $columns, |
| 218 | $min, |
| 219 | $metaControl, |
| 220 | ): array { |
| 221 | $layout = [ |
| 222 | ...(is_array($storedRow['layout'] ?? null) ? $storedRow['layout'] : []), |
| 223 | ...(is_array($row['layout'] ?? null) ? $row['layout'] : []), |
| 224 | ]; |
| 225 | $result = [ |
| 226 | ...$storedRow, |
| 227 | 'uid' => $uid, |
| 228 | 'type' => $type, |
| 229 | 'layout' => Layout::normalize($layout, $columns, $min)->array(), |
| 230 | 'fields' => $fields, |
| 231 | ]; |
| 232 | |
| 233 | if ($metaControl !== null && is_array($row['meta'] ?? null)) { |
| 234 | $result['meta'] = $this->meta( |
| 235 | $metaControl, |
| 236 | is_array($storedRow['meta'] ?? null) ? $storedRow['meta'] : [], |
| 237 | $row['meta'], |
| 238 | ); |
| 239 | } |
| 240 | |
| 241 | return $result; |
| 242 | }, |
| 243 | ); |
| 244 | } |
| 245 | |
| 246 | /** |
| 247 | * Rows are replaced wholesale like a repeater, but each row's fields |
| 248 | * are patched like a group: rows are matched to their stored |
| 249 | * counterpart by uid, so unknown keys survive edits and reorders. |
| 250 | * `$build` assembles the row from the matched stored row (empty when |
| 251 | * the type changed), the submitted row, the uid and the patched fields. |
| 252 | * |
| 253 | * @param array<string, array> $types row type descriptors keyed by class |
| 254 | * @param Closure(array, array, string, string, array): array $build |
| 255 | */ |
| 256 | private function rows(array $types, array $rows, array $stored, Closure $build): array |
| 257 | { |
| 258 | $byUid = []; |
| 259 | |
| 260 | foreach ($stored as $storedRow) { |
| 261 | $uid = is_array($storedRow) ? $storedRow['uid'] ?? null : null; |
| 262 | |
| 263 | if (is_string($uid) && $uid !== '') { |
| 264 | $byUid[$uid] = $storedRow; |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | $result = []; |
| 269 | |
| 270 | foreach ($rows as $row) { |
| 271 | if (!is_array($row)) { |
| 272 | continue; |
| 273 | } |
| 274 | |
| 275 | $type = $row['type'] ?? null; |
| 276 | |
| 277 | if (!is_string($type) || !isset($types[$type])) { |
| 278 | continue; |
| 279 | } |
| 280 | |
| 281 | $uid = $row['uid'] ?? null; |
| 282 | |
| 283 | if (!is_string($uid) || $uid === '') { |
| 284 | // The client fills fresh uids on stamped rows; this is the |
| 285 | // safety net for rows arriving without one. |
| 286 | $uid = $this->uid->generate(); |
| 287 | } |
| 288 | |
| 289 | $storedRow = $byUid[$uid] ?? []; |
| 290 | |
| 291 | if (($storedRow['type'] ?? null) !== $type) { |
| 292 | $storedRow = []; |
| 293 | } |
| 294 | |
| 295 | $fields = is_array($storedRow['fields'] ?? null) ? $storedRow['fields'] : []; |
| 296 | $submitted = is_array($row['fields'] ?? null) ? $row['fields'] : []; |
| 297 | |
| 298 | foreach ($types[$type]['fields'] ?? [] as $sub) { |
| 299 | $subName = $sub['name'] ?? null; |
| 300 | |
| 301 | if (!is_string($subName) || !is_array($submitted[$subName] ?? null)) { |
| 302 | continue; |
| 303 | } |
| 304 | |
| 305 | $entry = is_array($fields[$subName] ?? null) |
| 306 | ? $fields[$subName] |
| 307 | : ['type' => $sub['type'] ?? null, 'value' => []]; |
| 308 | $patched = $this->entry( |
| 309 | is_array($sub['control'] ?? null) ? $sub['control'] : [], |
| 310 | is_array($sub['metaControl'] ?? null) ? $sub['metaControl'] : null, |
| 311 | $entry, |
| 312 | $submitted[$subName], |
| 313 | ); |
| 314 | |
| 315 | if ($patched !== null) { |
| 316 | $fields[$subName] = $patched; |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | $result[] = $build($storedRow, $row, $uid, $type, $fields); |
| 321 | } |
| 322 | |
| 323 | return $result; |
| 324 | } |
| 325 | |
| 326 | /** @return array<string, array> */ |
| 327 | private static function rowTypes(mixed $types): array |
| 328 | { |
| 329 | $result = []; |
| 330 | |
| 331 | foreach (is_array($types) ? $types : [] as $type) { |
| 332 | if (is_array($type) && is_string($type['type'] ?? null)) { |
| 333 | $result[$type['type']] = $type; |
| 334 | } |
| 335 | } |
| 336 | |
| 337 | return $result; |
| 338 | } |
| 339 | } |