Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
| Total | |
99.07% |
107 / 108 |
|
96.43% |
27 / 28 |
CRAP | |
0.00% |
0 / 1 |
| Base | |
99.07% |
107 / 108 |
|
96.43% |
27 / 28 |
51 | |
0.00% |
0 / 1 |
| __construct | |
100.00% |
30 / 30 |
|
100.00% |
1 / 1 |
9 | |||
| __toString | n/a |
0 / 0 |
n/a |
0 / 0 |
4 | |||||
| getName | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
2 | |||
| addSelect | |
100.00% |
4 / 4 |
|
100.00% |
1 / 1 |
1 | |||
| setDistinctSelect | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| setResolveLevel | |
100.00% |
3 / 3 |
|
100.00% |
1 / 1 |
2 | |||
| getResolveLevel | |
100.00% |
3 / 3 |
|
100.00% |
1 / 1 |
2 | |||
| getAlias | |
100.00% |
5 / 5 |
|
100.00% |
1 / 1 |
2 | |||
| getTablename | |
100.00% |
3 / 3 |
|
100.00% |
1 / 1 |
1 | |||
| addTable | |
100.00% |
4 / 4 |
|
100.00% |
1 / 1 |
1 | |||
| addTableAlias | |
100.00% |
4 / 4 |
|
100.00% |
1 / 1 |
1 | |||
| addRequiredJoins | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| addResolvedReferences | |
100.00% |
11 / 11 |
|
100.00% |
1 / 1 |
3 | |||
| setWithEntities | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| addJoin | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| leftJoin | |
100.00% |
5 / 5 |
|
100.00% |
1 / 1 |
2 | |||
| getSql | |
100.00% |
2 / 2 |
|
100.00% |
1 / 1 |
1 | |||
| getParameters | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| getReferenceMapping | |
100.00% |
2 / 2 |
|
100.00% |
1 / 1 |
1 | |||
| expression | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| addEntityMapping | |
100.00% |
3 / 3 |
|
100.00% |
1 / 1 |
1 | |||
| getPrefixed | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| getPrefixedList | |
100.00% |
4 / 4 |
|
100.00% |
1 / 1 |
2 | |||
| addReferenceMapping | |
100.00% |
3 / 3 |
|
100.00% |
1 / 1 |
1 | |||
| addLimit | |
100.00% |
4 / 4 |
|
100.00% |
1 / 1 |
2 | |||
| addValues | |
100.00% |
2 / 2 |
|
100.00% |
1 / 1 |
1 | |||
| postProcess | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
1 | |||
| postProcessJoins | |
100.00% |
4 / 4 |
|
100.00% |
1 / 1 |
2 | |||
| shouldLoadEntity | |
66.67% |
2 / 3 |
|
0.00% |
0 / 1 |
2.15 | |||
| 1 | <?php |
| 2 | |
| 3 | namespace BO\Zmsdb\Query; |
| 4 | |
| 5 | use BO\Zmsdb\Query\Builder\Select; |
| 6 | use BO\Zmsdb\Query\Builder\Insert; |
| 7 | use BO\Zmsdb\Query\Builder\Update; |
| 8 | use BO\Zmsdb\Query\Builder\Delete; |
| 9 | use BO\Zmsdb\Query\Builder\Dialect\MySQL; |
| 10 | use BO\Zmsdb\Query\Builder\Expression; |
| 11 | |
| 12 | /** |
| 13 | * Base class to construct entity specific queries |
| 14 | * Usually used with the interface MappingInterface |
| 15 | * Further, it allows to react to resolveReferences as parameter to calling methods |
| 16 | */ |
| 17 | |
| 18 | /** |
| 19 | * @SuppressWarnings(NumberOfChildren) |
| 20 | * @SuppressWarnings(Complexity) |
| 21 | * |
| 22 | */ |
| 23 | abstract class Base |
| 24 | { |
| 25 | /** |
| 26 | * Identifier for the type of query |
| 27 | */ |
| 28 | const SELECT = 'SELECT'; |
| 29 | const INSERT = 'INSERT'; |
| 30 | const UPDATE = 'UPDATE'; |
| 31 | const REPLACE = 'REPLACE'; |
| 32 | const DELETE = 'DELETE'; |
| 33 | |
| 34 | /** |
| 35 | * Name of table in DB |
| 36 | */ |
| 37 | const TABLE = null; |
| 38 | /** |
| 39 | * Alias used to access TABLE |
| 40 | */ |
| 41 | const ALIAS = null; |
| 42 | |
| 43 | /** |
| 44 | * @var \BO\Zmsdb\Query\Builder\Query $query |
| 45 | */ |
| 46 | protected $query = null; |
| 47 | |
| 48 | /** |
| 49 | * @var String $query |
| 50 | */ |
| 51 | protected $prefix = ''; |
| 52 | |
| 53 | /** |
| 54 | * Name of the query used for caching |
| 55 | * |
| 56 | */ |
| 57 | protected $name = false; |
| 58 | |
| 59 | /** |
| 60 | * Level given ususally by parameter resolveReferences |
| 61 | * |
| 62 | */ |
| 63 | protected $resolveLevel = null; |
| 64 | |
| 65 | protected static $sqlCache = []; |
| 66 | |
| 67 | protected $currentSqlString = null; |
| 68 | |
| 69 | /** |
| 70 | * List of joined aliasnames to avoid double joins |
| 71 | * |
| 72 | */ |
| 73 | protected $joinedAliasList = []; |
| 74 | |
| 75 | /** |
| 76 | * List of joined queries to avoid double joins |
| 77 | * |
| 78 | */ |
| 79 | protected $joinedQueryList = []; |
| 80 | |
| 81 | protected $withEntities = []; |
| 82 | |
| 83 | /** |
| 84 | * Create query builder if necessary |
| 85 | * |
| 86 | * @param Mixed $queryType one of the constants for a query type or of instance \BO\Zmsdb\Query\Builder\Query |
| 87 | * @param String $prefix If used in a subquery, prefix results with this string |
| 88 | * @param String $name A named query has a cached SQL as soon as called first |
| 89 | */ |
| 90 | public function __construct($queryType, $prefix = '', $name = false, $resolveLevel = null, $withEntities = []) |
| 91 | { |
| 92 | $this->prefix = $prefix; |
| 93 | $this->name = $name; |
| 94 | $this->withEntities = $withEntities; |
| 95 | $this->setResolveLevel($resolveLevel); |
| 96 | $dialect = new MySQL(); |
| 97 | if (self::SELECT === $queryType) { |
| 98 | $this->query = new Select($dialect); |
| 99 | $this->addSelect(); |
| 100 | } elseif (self::INSERT === $queryType) { |
| 101 | $this->query = new Insert($dialect); |
| 102 | $this->addTable(); |
| 103 | } elseif (self::UPDATE === $queryType) { |
| 104 | $this->query = new Update($dialect); |
| 105 | $this->addTableAlias(); |
| 106 | } elseif (self::REPLACE === $queryType) { |
| 107 | $this->query = new INSERT($dialect); |
| 108 | $this->query->queryBaseStatement('REPLACE INTO'); |
| 109 | $this->addTable(); |
| 110 | } elseif (self::DELETE === $queryType) { |
| 111 | $this->query = new Delete($dialect); |
| 112 | $this->query->queryBaseStatement('DELETE ' . $this::getAlias() . ' FROM'); |
| 113 | $this->addTableAlias(); |
| 114 | } elseif ($queryType instanceof self) { |
| 115 | $this->query = $queryType->query; |
| 116 | $this->joinedAliasList =& $queryType->joinedAliasList; |
| 117 | $this->resolveLevel = $queryType->resolveLevel - 1; |
| 118 | } elseif ($queryType instanceof \BO\Zmsdb\Query\Builder\Query) { |
| 119 | $this->query = $queryType; |
| 120 | } |
| 121 | if ($this->query instanceof Select) { |
| 122 | $this->addRequiredJoins(); |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * @codeCoverageIgnore |
| 128 | */ |
| 129 | public function __toString() |
| 130 | { |
| 131 | if ($this->name) { |
| 132 | $name = $this->name . '_' . $this->prefix . (string) $this->resolveLevel; |
| 133 | if (!isset(static::$sqlCache[$name])) { |
| 134 | static::$sqlCache[$name] = $this->getSql(); |
| 135 | } |
| 136 | return static::$sqlCache[$name]; |
| 137 | } |
| 138 | if ($this->currentSqlString) { |
| 139 | $sql = $this->currentSqlString; |
| 140 | } else { |
| 141 | $sql = $this->getSql(); |
| 142 | } |
| 143 | return $sql; |
| 144 | } |
| 145 | |
| 146 | public function getName() |
| 147 | { |
| 148 | return $this->name ? $this->name : get_class($this); |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Add the from part to the queryBaseStatement |
| 153 | * This implementation tries to guess the syntax using the constant TABLE in the class |
| 154 | * Override the method for a special implementation or required joins |
| 155 | * |
| 156 | * @return self |
| 157 | */ |
| 158 | protected function addSelect() |
| 159 | { |
| 160 | $table = $this::getTablename(); |
| 161 | $alias = $this::getAlias(); |
| 162 | $this->query->from($table, $alias); |
| 163 | return $this; |
| 164 | } |
| 165 | |
| 166 | public function setDistinctSelect() |
| 167 | { |
| 168 | $this->query->queryBaseStatement('SELECT DISTINCT'); |
| 169 | } |
| 170 | |
| 171 | public function setResolveLevel($resolveLevel) |
| 172 | { |
| 173 | if ($resolveLevel !== null) { |
| 174 | $this->resolveLevel = $resolveLevel; |
| 175 | } |
| 176 | return $this; |
| 177 | } |
| 178 | |
| 179 | public function getResolveLevel() |
| 180 | { |
| 181 | if (null === $this->resolveLevel) { |
| 182 | throw new \Exception("Required setting for resolveReferenceLevel missing in " . get_class($this)); |
| 183 | } |
| 184 | return $this->resolveLevel; |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * Add the alias part to the queryBaseStatement |
| 189 | * This implementation tries to guess the syntax using the constant TABLE in the class |
| 190 | * Override the method for a special implementation or required joins |
| 191 | * |
| 192 | * @return self |
| 193 | */ |
| 194 | public static function getAlias() |
| 195 | { |
| 196 | $class = get_called_class(); |
| 197 | $alias = constant($class . '::ALIAS'); |
| 198 | if (null === $alias) { |
| 199 | $alias = lcfirst(preg_replace('#^.*\\\#', '', $class)); |
| 200 | } |
| 201 | return $alias; |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * Get the table name for the query |
| 206 | * |
| 207 | * @return string |
| 208 | */ |
| 209 | public static function getTablename() |
| 210 | { |
| 211 | $class = get_called_class(); |
| 212 | $table = constant($class . '::TABLE'); |
| 213 | return $table; |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * Add the from part to the queryBaseStatement |
| 218 | * This implementation tries to guess the syntax using the constant TABLE in the class |
| 219 | * Override the method for a special implementation or required joins |
| 220 | * |
| 221 | * @return self |
| 222 | */ |
| 223 | protected function addTable() |
| 224 | { |
| 225 | $table = $this::getTablename(); |
| 226 | $alias = $this::getAlias(); |
| 227 | $this->query->table($table, $alias); |
| 228 | return $this; |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * Add the from part to the queryBaseStatement |
| 233 | * This implementation tries to guess the syntax using the constant TABLE in the class |
| 234 | * Override the method for a special implementation or required joins |
| 235 | * |
| 236 | * @return self |
| 237 | */ |
| 238 | protected function addTableAlias() |
| 239 | { |
| 240 | $table = $this::getTablename(); |
| 241 | $alias = $this::getAlias(); |
| 242 | $this->query->table(self::expression($table . ' ' . $alias)); |
| 243 | return $this; |
| 244 | } |
| 245 | |
| 246 | /** |
| 247 | * Add joins to table if required |
| 248 | * Override this method if join are required for a select |
| 249 | */ |
| 250 | protected function addRequiredJoins() |
| 251 | { |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * resolves references by joining tables defined in the method addJoin() |
| 256 | * |
| 257 | * @param Int $depth Number of levels of sub references to resolve |
| 258 | * @return self |
| 259 | */ |
| 260 | public function addResolvedReferences($depth) |
| 261 | { |
| 262 | $this->setResolveLevel($depth); |
| 263 | if ($depth > 0) { |
| 264 | $queryList = $this->addJoin(); |
| 265 | foreach ($queryList as $query) { |
| 266 | $query->setResolveLevel($depth); |
| 267 | $query->setWithEntities($this->withEntities); |
| 268 | $query->addResolvedReferences($depth - 1); |
| 269 | $query->addEntityMapping(); |
| 270 | } |
| 271 | $this->joinedQueryList = $queryList; |
| 272 | } else { |
| 273 | $this->addReferenceMapping(); |
| 274 | } |
| 275 | return $this; |
| 276 | } |
| 277 | |
| 278 | public function setWithEntities($withEntities = []) |
| 279 | { |
| 280 | $this->withEntities = $withEntities; |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * If resolveReferences is required, override this method |
| 285 | * |
| 286 | * @return Array of self |
| 287 | */ |
| 288 | protected function addJoin() |
| 289 | { |
| 290 | return []; |
| 291 | } |
| 292 | |
| 293 | protected function leftJoin($alias, $left = null, $operator = null, $right = null) |
| 294 | { |
| 295 | $aliasId = $alias->getAliasIdentifier(); |
| 296 | //error_log(get_class($this) . " JOIN $aliasId CHECK " . implode(',', $this->joinedAliasList)); |
| 297 | if (!in_array($aliasId, $this->joinedAliasList)) { |
| 298 | $this->joinedAliasList[] = $aliasId; |
| 299 | $this->query->leftJoin($alias, $left, $operator, $right); |
| 300 | } else { |
| 301 | //throw new \Exception("Tried to add Alias ".$aliasId); |
| 302 | } |
| 303 | return $this->query; |
| 304 | } |
| 305 | |
| 306 | /** |
| 307 | * get SQL-String |
| 308 | * Implement a simple caching routine to prevent multiple rebuilds |
| 309 | * |
| 310 | * @return String |
| 311 | */ |
| 312 | public function getSql() |
| 313 | { |
| 314 | $this->currentSqlString = (string)$this->query; |
| 315 | return $this->currentSqlString; |
| 316 | } |
| 317 | |
| 318 | /** |
| 319 | * List of parameters to use for a prepared statement |
| 320 | * |
| 321 | * @return Array |
| 322 | */ |
| 323 | public function getParameters() |
| 324 | { |
| 325 | return $this->query->params(); |
| 326 | } |
| 327 | |
| 328 | public function getReferenceMapping() |
| 329 | { |
| 330 | return [ |
| 331 | ]; |
| 332 | } |
| 333 | |
| 334 | /** |
| 335 | * Shortcut to create an SQL-Expression without quoting |
| 336 | * |
| 337 | * @return \BO\Zmsdb\Query\Builder\Expression |
| 338 | */ |
| 339 | protected static function expression($string) |
| 340 | { |
| 341 | return new Expression($string); |
| 342 | } |
| 343 | |
| 344 | /** |
| 345 | * Add a select part to the query containing a mapping from the db schema to the entity schema |
| 346 | * |
| 347 | * @return self |
| 348 | */ |
| 349 | public function addEntityMapping($type = null) |
| 350 | { |
| 351 | $entityMapping = $this->getPrefixedList($this->getEntityMapping($type)); |
| 352 | $this->query->select($entityMapping); |
| 353 | return $this; |
| 354 | } |
| 355 | |
| 356 | protected function getPrefixed($prefix) |
| 357 | { |
| 358 | return $this->prefix . $prefix; |
| 359 | } |
| 360 | |
| 361 | protected function getPrefixedList($unprefixedList) |
| 362 | { |
| 363 | $prefixed = []; |
| 364 | foreach ($unprefixedList as $key => $value) { |
| 365 | $prefixed[$this->getPrefixed($key)] = $value; |
| 366 | } |
| 367 | return $prefixed; |
| 368 | } |
| 369 | |
| 370 | /** |
| 371 | * Add a select part to the query containing references if no resolveReferences is given |
| 372 | * |
| 373 | * @return self |
| 374 | */ |
| 375 | protected function addReferenceMapping() |
| 376 | { |
| 377 | $referenceMapping = $this->getPrefixedList($this->getReferenceMapping()); |
| 378 | $this->query->select($referenceMapping); |
| 379 | return $this; |
| 380 | } |
| 381 | |
| 382 | public function addLimit($count, $offset = null) |
| 383 | { |
| 384 | $this->query->limit($count); |
| 385 | if ($offset) { |
| 386 | $this->query->offset($offset); |
| 387 | } |
| 388 | return $this; |
| 389 | } |
| 390 | |
| 391 | /** |
| 392 | * Add values to a insert or update query |
| 393 | * |
| 394 | * @return self |
| 395 | */ |
| 396 | public function addValues($values) |
| 397 | { |
| 398 | $this->query->values($values); |
| 399 | return $this; |
| 400 | } |
| 401 | |
| 402 | /** |
| 403 | * postProcess data if necessary |
| 404 | * |
| 405 | */ |
| 406 | public function postProcess($data) |
| 407 | { |
| 408 | return $data; |
| 409 | } |
| 410 | |
| 411 | /** |
| 412 | * postProcess data including joined queries if necessary |
| 413 | * |
| 414 | */ |
| 415 | public function postProcessJoins($data) |
| 416 | { |
| 417 | $data = $this->postProcess($data); |
| 418 | foreach ($this->joinedQueryList as $query) { |
| 419 | $data = $query->postProcess($data); |
| 420 | } |
| 421 | return $data; |
| 422 | } |
| 423 | |
| 424 | public function shouldLoadEntity($name) |
| 425 | { |
| 426 | if (empty($this->withEntities)) { |
| 427 | return true; |
| 428 | } |
| 429 | |
| 430 | return in_array($name, $this->withEntities); |
| 431 | } |
| 432 | } |