Matthias Andreas Benkard | 7b2a3a1 | 2021-08-16 10:57:25 +0200 | [diff] [blame^] | 1 | <?php |
| 2 | |
| 3 | namespace LdapRecord\Query\Model; |
| 4 | |
| 5 | use Closure; |
| 6 | use DateTime; |
| 7 | use LdapRecord\Models\Model; |
| 8 | use LdapRecord\Models\ModelNotFoundException; |
| 9 | use LdapRecord\Models\Scope; |
| 10 | use LdapRecord\Models\Types\ActiveDirectory; |
| 11 | use LdapRecord\Query\Builder as BaseBuilder; |
| 12 | use LdapRecord\Utilities; |
| 13 | |
| 14 | class Builder extends BaseBuilder |
| 15 | { |
| 16 | /** |
| 17 | * The model being queried. |
| 18 | * |
| 19 | * @var Model |
| 20 | */ |
| 21 | protected $model; |
| 22 | |
| 23 | /** |
| 24 | * The global scopes to be applied. |
| 25 | * |
| 26 | * @var array |
| 27 | */ |
| 28 | protected $scopes = []; |
| 29 | |
| 30 | /** |
| 31 | * The removed global scopes. |
| 32 | * |
| 33 | * @var array |
| 34 | */ |
| 35 | protected $removedScopes = []; |
| 36 | |
| 37 | /** |
| 38 | * The applied global scopes. |
| 39 | * |
| 40 | * @var array |
| 41 | */ |
| 42 | protected $appliedScopes = []; |
| 43 | |
| 44 | /** |
| 45 | * Dynamically handle calls into the query instance. |
| 46 | * |
| 47 | * @param string $method |
| 48 | * @param array $parameters |
| 49 | * |
| 50 | * @return mixed |
| 51 | */ |
| 52 | public function __call($method, $parameters) |
| 53 | { |
| 54 | if (method_exists($this->model, $scope = 'scope'.ucfirst($method))) { |
| 55 | return $this->callScope([$this->model, $scope], $parameters); |
| 56 | } |
| 57 | |
| 58 | return parent::__call($method, $parameters); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Apply the given scope on the current builder instance. |
| 63 | * |
| 64 | * @param callable $scope |
| 65 | * @param array $parameters |
| 66 | * |
| 67 | * @return mixed |
| 68 | */ |
| 69 | protected function callScope(callable $scope, $parameters = []) |
| 70 | { |
| 71 | array_unshift($parameters, $this); |
| 72 | |
| 73 | return $scope(...array_values($parameters)) ?? $this; |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * Get the attributes to select on the search. |
| 78 | * |
| 79 | * @return array |
| 80 | */ |
| 81 | public function getSelects() |
| 82 | { |
| 83 | // Here we will ensure the models GUID attribute is always |
| 84 | // selected. In some LDAP directories, the attribute is |
| 85 | // virtual and must be requested for specifically. |
| 86 | return array_values(array_unique( |
| 87 | array_merge([$this->model->getGuidKey()], parent::getSelects()) |
| 88 | )); |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Set the model instance for the model being queried. |
| 93 | * |
| 94 | * @param Model $model |
| 95 | * |
| 96 | * @return $this |
| 97 | */ |
| 98 | public function setModel(Model $model) |
| 99 | { |
| 100 | $this->model = $model; |
| 101 | |
| 102 | return $this; |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * Returns the model being queried for. |
| 107 | * |
| 108 | * @return Model |
| 109 | */ |
| 110 | public function getModel() |
| 111 | { |
| 112 | return $this->model; |
| 113 | } |
| 114 | |
| 115 | /** |
| 116 | * Get a new model query builder instance. |
| 117 | * |
| 118 | * @param string|null $baseDn |
| 119 | * |
| 120 | * @return static |
| 121 | */ |
| 122 | public function newInstance($baseDn = null) |
| 123 | { |
| 124 | return parent::newInstance($baseDn)->model($this->model); |
| 125 | } |
| 126 | |
| 127 | /** |
| 128 | * Finds a model by its distinguished name. |
| 129 | * |
| 130 | * @param array|string $dn |
| 131 | * @param array|string|string[] $columns |
| 132 | * |
| 133 | * @return Model|\LdapRecord\Query\Collection|static|null |
| 134 | */ |
| 135 | public function find($dn, $columns = ['*']) |
| 136 | { |
| 137 | return $this->afterScopes(function () use ($dn, $columns) { |
| 138 | return parent::find($dn, $columns); |
| 139 | }); |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * Finds a record using ambiguous name resolution. |
| 144 | * |
| 145 | * @param string|array $value |
| 146 | * @param array|string $columns |
| 147 | * |
| 148 | * @return Model|\LdapRecord\Query\Collection|static|null |
| 149 | */ |
| 150 | public function findByAnr($value, $columns = ['*']) |
| 151 | { |
| 152 | if (is_array($value)) { |
| 153 | return $this->findManyByAnr($value, $columns); |
| 154 | } |
| 155 | |
| 156 | // If the model is not compatible with ANR filters, |
| 157 | // we must construct an equivalent filter that |
| 158 | // the current LDAP server does support. |
| 159 | if (! $this->modelIsCompatibleWithAnr()) { |
| 160 | return $this->prepareAnrEquivalentQuery($value)->first($columns); |
| 161 | } |
| 162 | |
| 163 | return $this->findBy('anr', $value, $columns); |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Determine if the current model is compatible with ANR filters. |
| 168 | * |
| 169 | * @return bool |
| 170 | */ |
| 171 | protected function modelIsCompatibleWithAnr() |
| 172 | { |
| 173 | return $this->model instanceof ActiveDirectory; |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * Finds a record using ambiguous name resolution. |
| 178 | * |
| 179 | * If a record is not found, an exception is thrown. |
| 180 | * |
| 181 | * @param string $value |
| 182 | * @param array|string $columns |
| 183 | * |
| 184 | * @throws ModelNotFoundException |
| 185 | * |
| 186 | * @return Model |
| 187 | */ |
| 188 | public function findByAnrOrFail($value, $columns = ['*']) |
| 189 | { |
| 190 | if (! $entry = $this->findByAnr($value, $columns)) { |
| 191 | $this->throwNotFoundException($this->getUnescapedQuery(), $this->dn); |
| 192 | } |
| 193 | |
| 194 | return $entry; |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Throws a not found exception. |
| 199 | * |
| 200 | * @param string $query |
| 201 | * @param string $dn |
| 202 | * |
| 203 | * @throws ModelNotFoundException |
| 204 | */ |
| 205 | protected function throwNotFoundException($query, $dn) |
| 206 | { |
| 207 | throw ModelNotFoundException::forQuery($query, $dn); |
| 208 | } |
| 209 | |
| 210 | /** |
| 211 | * Finds multiple records using ambiguous name resolution. |
| 212 | * |
| 213 | * @param array $values |
| 214 | * @param array $columns |
| 215 | * |
| 216 | * @return \LdapRecord\Query\Collection |
| 217 | */ |
| 218 | public function findManyByAnr(array $values = [], $columns = ['*']) |
| 219 | { |
| 220 | $this->select($columns); |
| 221 | |
| 222 | if (! $this->modelIsCompatibleWithAnr()) { |
| 223 | foreach ($values as $value) { |
| 224 | $this->prepareAnrEquivalentQuery($value); |
| 225 | } |
| 226 | |
| 227 | return $this->get($columns); |
| 228 | } |
| 229 | |
| 230 | return $this->findManyBy('anr', $values); |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * Creates an ANR equivalent query for LDAP distributions that do not support ANR. |
| 235 | * |
| 236 | * @param string $value |
| 237 | * |
| 238 | * @return $this |
| 239 | */ |
| 240 | protected function prepareAnrEquivalentQuery($value) |
| 241 | { |
| 242 | return $this->orFilter(function (self $query) use ($value) { |
| 243 | foreach ($this->model->getAnrAttributes() as $attribute) { |
| 244 | $query->whereEquals($attribute, $value); |
| 245 | } |
| 246 | }); |
| 247 | } |
| 248 | |
| 249 | /** |
| 250 | * Finds a record by its string GUID. |
| 251 | * |
| 252 | * @param string $guid |
| 253 | * @param array|string $columns |
| 254 | * |
| 255 | * @return Model|static|null |
| 256 | */ |
| 257 | public function findByGuid($guid, $columns = ['*']) |
| 258 | { |
| 259 | try { |
| 260 | return $this->findByGuidOrFail($guid, $columns); |
| 261 | } catch (ModelNotFoundException $e) { |
| 262 | return; |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | /** |
| 267 | * Finds a record by its string GUID. |
| 268 | * |
| 269 | * Fails upon no records returned. |
| 270 | * |
| 271 | * @param string $guid |
| 272 | * @param array|string $columns |
| 273 | * |
| 274 | * @throws ModelNotFoundException |
| 275 | * |
| 276 | * @return Model|static |
| 277 | */ |
| 278 | public function findByGuidOrFail($guid, $columns = ['*']) |
| 279 | { |
| 280 | if ($this->model instanceof ActiveDirectory) { |
| 281 | $guid = Utilities::stringGuidToHex($guid); |
| 282 | } |
| 283 | |
| 284 | return $this->whereRaw([ |
| 285 | $this->model->getGuidKey() => $guid, |
| 286 | ])->firstOrFail($columns); |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * @inheritdoc |
| 291 | */ |
| 292 | public function getQuery() |
| 293 | { |
| 294 | return $this->afterScopes(function () { |
| 295 | return parent::getQuery(); |
| 296 | }); |
| 297 | } |
| 298 | |
| 299 | /** |
| 300 | * Apply the query scopes and execute the callback. |
| 301 | * |
| 302 | * @param Closure $callback |
| 303 | * |
| 304 | * @return mixed |
| 305 | */ |
| 306 | protected function afterScopes(Closure $callback) |
| 307 | { |
| 308 | $this->applyScopes(); |
| 309 | |
| 310 | return $callback(); |
| 311 | } |
| 312 | |
| 313 | /** |
| 314 | * Apply the global query scopes. |
| 315 | * |
| 316 | * @return $this |
| 317 | */ |
| 318 | public function applyScopes() |
| 319 | { |
| 320 | if (! $this->scopes) { |
| 321 | return $this; |
| 322 | } |
| 323 | |
| 324 | foreach ($this->scopes as $identifier => $scope) { |
| 325 | if (isset($this->appliedScopes[$identifier])) { |
| 326 | continue; |
| 327 | } |
| 328 | |
| 329 | $scope instanceof Scope |
| 330 | ? $scope->apply($this, $this->getModel()) |
| 331 | : $scope($this); |
| 332 | |
| 333 | $this->appliedScopes[$identifier] = $scope; |
| 334 | } |
| 335 | |
| 336 | return $this; |
| 337 | } |
| 338 | |
| 339 | /** |
| 340 | * Register a new global scope. |
| 341 | * |
| 342 | * @param string $identifier |
| 343 | * @param Scope|\Closure $scope |
| 344 | * |
| 345 | * @return $this |
| 346 | */ |
| 347 | public function withGlobalScope($identifier, $scope) |
| 348 | { |
| 349 | $this->scopes[$identifier] = $scope; |
| 350 | |
| 351 | return $this; |
| 352 | } |
| 353 | |
| 354 | /** |
| 355 | * Remove a registered global scope. |
| 356 | * |
| 357 | * @param Scope|string $scope |
| 358 | * |
| 359 | * @return $this |
| 360 | */ |
| 361 | public function withoutGlobalScope($scope) |
| 362 | { |
| 363 | if (! is_string($scope)) { |
| 364 | $scope = get_class($scope); |
| 365 | } |
| 366 | |
| 367 | unset($this->scopes[$scope]); |
| 368 | |
| 369 | $this->removedScopes[] = $scope; |
| 370 | |
| 371 | return $this; |
| 372 | } |
| 373 | |
| 374 | /** |
| 375 | * Remove all or passed registered global scopes. |
| 376 | * |
| 377 | * @param array|null $scopes |
| 378 | * |
| 379 | * @return $this |
| 380 | */ |
| 381 | public function withoutGlobalScopes(array $scopes = null) |
| 382 | { |
| 383 | if (! is_array($scopes)) { |
| 384 | $scopes = array_keys($this->scopes); |
| 385 | } |
| 386 | |
| 387 | foreach ($scopes as $scope) { |
| 388 | $this->withoutGlobalScope($scope); |
| 389 | } |
| 390 | |
| 391 | return $this; |
| 392 | } |
| 393 | |
| 394 | /** |
| 395 | * Get an array of global scopes that were removed from the query. |
| 396 | * |
| 397 | * @return array |
| 398 | */ |
| 399 | public function removedScopes() |
| 400 | { |
| 401 | return $this->removedScopes; |
| 402 | } |
| 403 | |
| 404 | /** |
| 405 | * Get an array of the global scopes that were applied to the query. |
| 406 | * |
| 407 | * @return array |
| 408 | */ |
| 409 | public function appliedScopes() |
| 410 | { |
| 411 | return $this->appliedScopes; |
| 412 | } |
| 413 | |
| 414 | /** |
| 415 | * Processes and converts the given LDAP results into models. |
| 416 | * |
| 417 | * @param array $results |
| 418 | * |
| 419 | * @return \LdapRecord\Query\Collection |
| 420 | */ |
| 421 | protected function process(array $results) |
| 422 | { |
| 423 | return $this->model->hydrate(parent::process($results)); |
| 424 | } |
| 425 | |
| 426 | /** |
| 427 | * @inheritdoc |
| 428 | */ |
| 429 | protected function prepareWhereValue($field, $value, $raw = false) |
| 430 | { |
| 431 | if ($value instanceof DateTime) { |
| 432 | $field = $this->model->normalizeAttributeKey($field); |
| 433 | |
| 434 | if (! $this->model->isDateAttribute($field)) { |
| 435 | throw new \UnexpectedValueException( |
| 436 | "Cannot convert field [$field] to an LDAP timestamp. You must add this field as a model date." |
| 437 | .' Refer to https://ldaprecord.com/docs/model-mutators/#date-mutators' |
| 438 | ); |
| 439 | } |
| 440 | |
| 441 | $value = $this->model->fromDateTime($this->model->getDates()[$field], $value); |
| 442 | } |
| 443 | |
| 444 | return parent::prepareWhereValue($field, $value, $raw); |
| 445 | } |
| 446 | } |