Lines
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Functions and Methods
63.63%
7 / 11
Classes and Traits
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0 / 1
| Name | Lines | Functions and Methods | CRAP | Classes and Traits | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| MorphToMany | 94.92% | 131 / 138 | 63.63% | 7 / 11 | 32.13 | 0.00% | 0 / 1 | |||
| __construct | 100.00% | 16 / 16 | 100.00% | 1 / 1 | 5 | |||||
| addConstraints | 100.00% | 6 / 6 | 100.00% | 1 / 1 | 1 | |||||
| eagerLoadChunk | 96.87% | 31 / 32 | 0.00% | 0 / 1 | 3 | |||||
| pivotQuery | 100.00% | 5 / 5 | 100.00% | 1 / 1 | 1 | |||||
| stampRow | 100.00% | 2 / 2 | 100.00% | 1 / 1 | 1 | |||||
| attach | 91.66% | 11 / 12 | 0.00% | 0 / 1 | 3.01 | |||||
| pool | 92.85% | 13 / 14 | 0.00% | 0 / 1 | 4.01 | |||||
| isInversePool | 100.00% | 1 / 1 | 100.00% | 1 / 1 | 1 | |||||
| poolAliases | 100.00% | 14 / 14 | 100.00% | 1 / 1 | 5 | |||||
| validatedPoolClass | 63.63% | 7 / 11 | 0.00% | 0 / 1 | 6.20 | |||||
| poolQueryFor | 100.00% | 25 / 25 | 100.00% | 1 / 1 | 3 | |||||
| 1 | <?php | |
| 2 | ||
| 3 | declare(strict_types=1); | |
| 4 | ||
| 5 | namespace BlueprintAU\Radiant\Relations; | |
| 6 | ||
| 7 | use BlueprintAU\Radiant\Collection; | |
| 8 | use BlueprintAU\Radiant\Database\Connections\SqlConnection; | |
| 9 | use BlueprintAU\Radiant\Database\Query\QueryBuilder; | |
| 10 | use BlueprintAU\Radiant\Model; | |
| 11 | ||
| 12 | /** | |
| 13 | * Many-to-many polymorphic: the pivot's parent-side key is a (type, key) | |
| 14 | * pair, so models of any class share the same related pool through one | |
| 15 | * pivot table. | |
| 16 | * | |
| 17 | * Every query — lazy and eager — filters the type column to this side's | |
| 18 | * morph alias (the FQCN convention {@see MorphOneOrMany} writes), and the | |
| 19 | * write API stamps the alias on every inserted row. `morphedByMany()` is | |
| 20 | * the inverse direction: the constructor's `$inverse` flag swaps which | |
| 21 | * side's alias filters the type column and which side's key the queries | |
| 22 | * filter on. | |
| 23 | * | |
| 24 | * @template TRelated of Model | |
| 25 | * @template TPool of Model | |
| 26 | * @extends BelongsToMany<TRelated> | |
| 27 | */ | |
| 28 | class MorphToMany extends BelongsToMany | |
| 29 | { | |
| 30 | /** | |
| 31 | * The type-discriminator column on the pivot table. | |
| 32 | * | |
| 33 | * @var string | |
| 34 | */ | |
| 35 | protected readonly string $morphTypeColumn; | |
| 36 | ||
| 37 | /** | |
| 38 | * The morph alias this side filters (and writes) — the parent's FQCN | |
| 39 | * in the direct direction, the related's in the inverse. | |
| 40 | * | |
| 41 | * @var string | |
| 42 | */ | |
| 43 | protected readonly string $morphAlias; | |
| 44 | ||
| 45 | /** | |
| 46 | * The pivot column carrying the morph key on THIS side. | |
| 47 | * | |
| 48 | * @var string | |
| 49 | */ | |
| 50 | protected readonly string $morphKeyColumn; | |
| 51 | ||
| 52 | /** | |
| 53 | * The optional pool allowlist — the classes `pool()` may resolve. | |
| 54 | * | |
| 55 | * @var list<class-string<Model>>|null | |
| 56 | */ | |
| 57 | protected readonly array|null $poolTypes; | |
| 58 | ||
| 59 | /** | |
| 60 | * Create a polymorphic many-to-many relation. | |
| 61 | * | |
| 62 | * @param Model $parent | |
| 63 | * @param class-string<TRelated> $related | |
| 64 | * @param string $morphName | |
| 65 | * @param string|class-string<Model>|null $table | |
| 66 | * @param bool $inverse True for `morphedByMany`. | |
| 67 | * @param list<class-string<TPool>>|null $poolTypes The pool allowlist for the inverse side's `pool()` read. | |
| 68 | * @throws \InvalidArgumentException | |
| 69 | */ | |
| 70 | public function __construct( | |
| 71 | Model $parent, | |
| 72 | string $related, | |
| 73 | string $morphName, | |
| 74 | ?string $table = null, | |
| 75 | bool $inverse = false, | |
| 76 | array|null $poolTypes = null, | |
| 77 | ) { | |
| 78 | $this->morphTypeColumn = $morphName . '_type'; | |
| 79 | $this->morphKeyColumn = $morphName . '_id'; | |
| 80 | $this->morphAlias = $inverse ? $related : $parent::class; | |
| 81 | $this->poolTypes = $poolTypes === null || $poolTypes === [] ? null : $poolTypes; | |
| 82 | ||
| 83 | // The direct direction: the pivot's morph columns point at the | |
| 84 | // parent (Post), the related table's id column at the related | |
| 85 | // model (Tag). The INVERSE swaps the roles: the morph columns | |
| 86 | // point at the related (Post — the morph parent side), and the | |
| 87 | // PARENT's (Tag's) table id column is the other side. | |
| 88 | $foreignPivotKey = $this->morphKeyColumn; | |
| 89 | $relatedPivotKey = $related::table() . '_id'; | |
| 90 | ||
| 91 | if ($inverse) { | |
| 92 | $foreignPivotKey = $parent::table() . '_id'; | |
| 93 | $relatedPivotKey = $this->morphKeyColumn; | |
| 94 | } | |
| 95 | ||
| 96 | parent::__construct( | |
| 97 | $parent, | |
| 98 | $related, | |
| 99 | self::resolvePivotTable($table, 'pivot') ?? $morphName, | |
| 100 | $foreignPivotKey, | |
| 101 | $relatedPivotKey, | |
| 102 | ); | |
| 103 | } | |
| 104 | ||
| 105 | /** | |
| 106 | * Constrain the query: the join + parent key filter PLUS the morph | |
| 107 | * type filter. | |
| 108 | * | |
| 109 | * @return void | |
| 110 | */ | |
| 111 | #[\Override] | |
| 112 | protected function addConstraints(): void | |
| 113 | { | |
| 114 | parent::addConstraints(); | |
| 115 | ||
| 116 | // The type filter rides AFTER the base constraint — the pivot | |
| 117 | // join is already in place, so the column resolves unambiguously. | |
| 118 | $this->query = $this->query->where( | |
| 119 | self::qualify($this->pivotTable, $this->morphTypeColumn), | |
| 120 | '=', | |
| 121 | $this->morphAlias, | |
| 122 | ); | |
| 123 | } | |
| 124 | ||
| 125 | /** | |
| 126 | * Run one eager-load query for a CHUNK of parent keys — the base join | |
| 127 | * plus the morph type filter. | |
| 128 | * | |
| 129 | * @param list<int|string> $parentKeys | |
| 130 | * @return EagerResult<TRelated> | |
| 131 | */ | |
| 132 | #[\Override] | |
| 133 | protected function eagerLoadChunk(array $parentKeys): EagerResult | |
| 134 | { | |
| 135 | $relatedTable = $this->related::table(); | |
| 136 | $parentFk = 'radiant_pivot_parent_' . $this->pivotTable; | |
| 137 | ||
| 138 | $builder = $this->related::newQuery() | |
| 139 | ->join( | |
| 140 | $this->pivotTable, | |
| 141 | self::qualify($relatedTable, $this->relatedKey), | |
| 142 | '=', | |
| 143 | self::qualify($this->pivotTable, $this->relatedPivotKey), | |
| 144 | ) | |
| 145 | ->where( | |
| 146 | self::qualify($this->pivotTable, $this->morphTypeColumn), | |
| 147 | '=', | |
| 148 | $this->morphAlias, | |
| 149 | ) | |
| 150 | ->whereIn( | |
| 151 | self::qualify($this->pivotTable, $this->foreignPivotKey), | |
| 152 | $parentKeys, | |
| 153 | ); | |
| 154 | ||
| 155 | $selects = [ | |
| 156 | self::qualify($this->pivotTable, $this->foreignPivotKey) . ' as ' . $parentFk, | |
| 157 | ]; | |
| 158 | ||
| 159 | foreach ($this->pivotColumns as $column) { | |
| 160 | $selects[] = self::qualify($this->pivotTable, $column) . ' as radiant_pivot_' . $column; | |
| 161 | } | |
| 162 | ||
| 163 | $selects[] = "{$relatedTable}.*"; | |
| 164 | ||
| 165 | $builder = $builder->select(...$selects); | |
| 166 | ||
| 167 | $rows = $builder->getRaw(); | |
| 168 | ||
| 169 | $keys = []; | |
| 170 | $models = []; | |
| 171 | ||
| 172 | foreach ($rows->all() as $row) { | |
| 173 | $keys[] = $row->{$parentFk} ?? null; | |
| 174 | $models[] = $this->related::fromRow($row); | |
| 175 | } | |
| 176 | ||
| 177 | return new EagerResult(EagerResult::listToCollection($models), $keys); | |
| 178 | } | |
| 179 | ||
| 180 | /** | |
| 181 | * Scope every pivot READ/DELETE/UPDATE path to the morph alias — the | |
| 182 | * {@see BelongsToMany::pivotQuery()} hook. | |
| 183 | * | |
| 184 | * @param SqlConnection $connection | |
| 185 | * @return QueryBuilder | |
| 186 | */ | |
| 187 | #[\Override] | |
| 188 | protected function pivotQuery(SqlConnection $connection): QueryBuilder | |
| 189 | { | |
| 190 | return parent::pivotQuery($connection)->where( | |
| 191 | self::qualify($this->pivotTable, $this->morphTypeColumn), | |
| 192 | '=', | |
| 193 | $this->morphAlias, | |
| 194 | ); | |
| 195 | } | |
| 196 | ||
| 197 | /** | |
| 198 | * Stamp the morph alias onto every pivot row the write API inserts — | |
| 199 | * the {@see BelongsToMany::stampRow()} hook. | |
| 200 | * | |
| 201 | * @param array<string, mixed> $row | |
| 202 | * @return array<string, mixed> | |
| 203 | */ | |
| 204 | #[\Override] | |
| 205 | protected function stampRow(array $row): array | |
| 206 | { | |
| 207 | $row[$this->morphTypeColumn] = $this->morphAlias; | |
| 208 | ||
| 209 | return $row; | |
| 210 | } | |
| 211 | ||
| 212 | /** | |
| 213 | * Attach related models — every inserted row carries the morph alias. | |
| 214 | * | |
| 215 | * @param int|string|list<int|string>|array<string, mixed> $ids | |
| 216 | * @param array<string, mixed> $pivotAttributes | |
| 217 | * @return void | |
| 218 | */ | |
| 219 | #[\Override] | |
| 220 | final public function attach(int|string|array $ids, array $pivotAttributes = []): void | |
| 221 | { | |
| 222 | $connection = $this->sqlConnection(); | |
| 223 | ||
| 224 | $rows = []; | |
| 225 | ||
| 226 | foreach ($this->normalizeIds($ids) as $id => $attributes) { | |
| 227 | $rows[] = $this->stampRow([ | |
| 228 | $this->foreignPivotKey => $this->parent->attribute($this->parentKey), | |
| 229 | $this->relatedPivotKey => $id, | |
| 230 | ...$pivotAttributes, | |
| 231 | ...$attributes, | |
| 232 | ]); | |
| 233 | } | |
| 234 | ||
| 235 | if ($rows === []) { | |
| 236 | return; | |
| 237 | } | |
| 238 | ||
| 239 | $connection->table($this->pivotTable)->insert($rows); | |
| 240 | } | |
| 241 | ||
| 242 | // ---- The cross-type pool read ---- | |
| 243 | ||
| 244 | /** | |
| 245 | * Read the shared pivot pool across every morph type. | |
| 246 | * | |
| 247 | * An allowlist restricts the read to exactly those classes and | |
| 248 | * ignores every other stored alias; the same list narrows the | |
| 249 | * static bound. Without an allowlist every stored alias resolves | |
| 250 | * and validates — an unknown type value fails fast. The read is | |
| 251 | * always fresh: it never serves the `with()` cache, never composes | |
| 252 | * the relation's filters, and pivot values ride along per query. | |
| 253 | * | |
| 254 | * @return Collection<int, TPool> | |
| 255 | * @throws \InvalidArgumentException | |
| 256 | * @throws \LogicException | |
| 257 | */ | |
| 258 | public function pool(): Collection | |
| 259 | { | |
| 260 | if (!$this->isInversePool()) { | |
| 261 | throw new \LogicException( | |
| 262 | 'pool() reads the shared pivot pool across morph types — available only on ' | |
| 263 | . 'the inverse direction (morphedByMany), where this side\'s pivot columns ' | |
| 264 | . 'carry a (type, key) pair. The direct direction resolves one static class.' | |
| 265 | ); | |
| 266 | } | |
| 267 | ||
| 268 | $parentKey = $this->parent->attribute($this->parentKey); | |
| 269 | ||
| 270 | if ($parentKey === null) { | |
| 271 | return Collection::make([]); | |
| 272 | } | |
| 273 | ||
| 274 | $models = []; | |
| 275 | ||
| 276 | foreach ($this->poolAliases($parentKey) as $alias) { | |
| 277 | $class = $this->validatedPoolClass($alias); | |
| 278 | ||
| 279 | array_push($models, ...$this->poolQueryFor($class, $parentKey)->get()->all()); | |
| 280 | } | |
| 281 | ||
| 282 | return Collection::make($models); | |
| 283 | } | |
| 284 | ||
| 285 | /** | |
| 286 | * Whether this side's pivot columns carry the morph (type, key) pair. | |
| 287 | * | |
| 288 | * @return bool | |
| 289 | */ | |
| 290 | private function isInversePool(): bool | |
| 291 | { | |
| 292 | return $this->foreignPivotKey === $this->parent::table() . '_id'; | |
| 293 | } | |
| 294 | ||
| 295 | /** | |
| 296 | * The morph aliases this pool read covers, in query order. | |
| 297 | * | |
| 298 | * The declared allowlist when present; otherwise every distinct type | |
| 299 | * value stored under this parent's pivot rows. | |
| 300 | * | |
| 301 | * @param int|string $parentKey | |
| 302 | * @return list<string> | |
| 303 | */ | |
| 304 | private function poolAliases(int|string $parentKey): array | |
| 305 | { | |
| 306 | if ($this->poolTypes !== null) { | |
| 307 | return $this->poolTypes; | |
| 308 | } | |
| 309 | ||
| 310 | $rows = $this->sqlConnection() | |
| 311 | ->table($this->pivotTable) | |
| 312 | ->select($this->morphTypeColumn) | |
| 313 | ->distinct() | |
| 314 | ->where($this->foreignPivotKey, '=', $parentKey) | |
| 315 | ->get(); | |
| 316 | ||
| 317 | $aliases = []; | |
| 318 | ||
| 319 | foreach ($rows as $row) { | |
| 320 | $alias = $row->{$this->morphTypeColumn} ?? null; | |
| 321 | ||
| 322 | if (is_string($alias) && $alias !== '') { | |
| 323 | $aliases[$alias] = true; | |
| 324 | } | |
| 325 | } | |
| 326 | ||
| 327 | return array_keys($aliases); | |
| 328 | } | |
| 329 | ||
| 330 | /** | |
| 331 | * Validate one resolved morph alias into a model class-string. | |
| 332 | * | |
| 333 | * @param string $alias | |
| 334 | * @return class-string<TPool> | |
| 335 | * @throws \InvalidArgumentException | |
| 336 | */ | |
| 337 | private function validatedPoolClass(string $alias): string | |
| 338 | { | |
| 339 | if ($this->poolTypes !== null && !in_array($alias, $this->poolTypes, true)) { | |
| 340 | throw new \InvalidArgumentException( | |
| 341 | 'Morph type [' . $alias . '] on pivot [' . $this->pivotTable | |
| 342 | . '] is not in the pool allowlist.' | |
| 343 | ); | |
| 344 | } | |
| 345 | ||
| 346 | if (!class_exists($alias) || !is_a($alias, Model::class, true)) { | |
| 347 | throw new \InvalidArgumentException( | |
| 348 | 'Morph type [' . $alias . '] on pivot [' . $this->pivotTable | |
| 349 | . '] does not resolve to an existing model class.' | |
| 350 | ); | |
| 351 | } | |
| 352 | ||
| 353 | // The runtime checks back the template bound — the same inline | |
| 354 | // narrowing the MorphTo marker trick uses. | |
| 355 | /** @var class-string<TPool> */ | |
| 356 | return $alias; | |
| 357 | } | |
| 358 | ||
| 359 | /** | |
| 360 | * Build one morph type's pool query. | |
| 361 | * | |
| 362 | * @param class-string<TPool> $class | |
| 363 | * @param int|string $parentKey | |
| 364 | * @return \BlueprintAU\Radiant\ModelQueryBuilder<TPool> | |
| 365 | */ | |
| 366 | private function poolQueryFor(string $class, int|string $parentKey): \BlueprintAU\Radiant\ModelQueryBuilder | |
| 367 | { | |
| 368 | $typeTable = $class::table(); | |
| 369 | ||
| 370 | $builder = $class::newQuery() | |
| 371 | ->join( | |
| 372 | $this->pivotTable, | |
| 373 | self::qualify($typeTable, 'id'), | |
| 374 | '=', | |
| 375 | self::qualify($this->pivotTable, $this->relatedPivotKey), | |
| 376 | ) | |
| 377 | ->where( | |
| 378 | self::qualify($this->pivotTable, $this->morphTypeColumn), | |
| 379 | '=', | |
| 380 | $class, | |
| 381 | ) | |
| 382 | ->where( | |
| 383 | self::qualify($this->pivotTable, $this->foreignPivotKey), | |
| 384 | '=', | |
| 385 | $parentKey, | |
| 386 | ); | |
| 387 | ||
| 388 | if ($this->pivotColumns === []) { | |
| 389 | return $builder; | |
| 390 | } | |
| 391 | ||
| 392 | $selects = []; | |
| 393 | ||
| 394 | foreach ($this->pivotColumns as $column) { | |
| 395 | $selects[] = self::qualify($this->pivotTable, $column) . ' as radiant_pivot_' . $column; | |
| 396 | } | |
| 397 | ||
| 398 | $selects[] = "{$typeTable}.*"; | |
| 399 | ||
| 400 | /** @var \BlueprintAU\Radiant\ModelQueryBuilder<TPool> */ | |
| 401 | return $builder->select(...$selects); | |
| 402 | } | |
| 403 | } |