thecodingmachine /
tdbm
| Total Complexity | 95 |
| Total Lines | 673 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like AbstractTDBMObject often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use AbstractTDBMObject, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 38 | abstract class AbstractTDBMObject implements JsonSerializable |
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| 39 | { |
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| 40 | /** |
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| 41 | * The service this object is bound to. |
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| 42 | * |
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| 43 | * @var TDBMService |
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| 44 | */ |
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| 45 | protected $tdbmService; |
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| 46 | |||
| 47 | /** |
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| 48 | * An array of DbRow, indexed by table name. |
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| 49 | * |
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| 50 | * @var DbRow[] |
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| 51 | */ |
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| 52 | protected $dbRows = []; |
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| 53 | |||
| 54 | /** |
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| 55 | * One of TDBMObjectStateEnum::STATE_NEW, TDBMObjectStateEnum::STATE_NOT_LOADED, TDBMObjectStateEnum::STATE_LOADED, TDBMObjectStateEnum::STATE_DELETED. |
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| 56 | * $status = TDBMObjectStateEnum::STATE_NEW when a new object is created with DBMObject:getNewObject. |
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| 57 | * $status = TDBMObjectStateEnum::STATE_NOT_LOADED when the object has been retrieved with getObject but when no data has been accessed in it yet. |
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| 58 | * $status = TDBMObjectStateEnum::STATE_LOADED when the object is cached in memory. |
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| 59 | * |
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| 60 | * @var string|null |
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| 61 | */ |
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| 62 | private $status; |
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| 63 | |||
| 64 | /** |
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| 65 | * Array storing beans related via many to many relationships (pivot tables). |
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| 66 | * |
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| 67 | * @var \SplObjectStorage[] Key: pivot table name, value: SplObjectStorage |
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| 68 | */ |
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| 69 | private $relationships = []; |
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| 70 | |||
| 71 | /** |
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| 72 | * @var bool[] Key: pivot table name, value: whether a query was performed to load the data |
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| 73 | */ |
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| 74 | private $loadedRelationships = []; |
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| 75 | |||
| 76 | /** |
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| 77 | * Array storing beans related via many to one relationships (this bean is pointed by external beans). |
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| 78 | * |
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| 79 | * @var AlterableResultIterator[] Key: [external_table]___[external_column], value: SplObjectStorage |
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| 80 | */ |
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| 81 | private $manyToOneRelationships = []; |
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| 82 | |||
| 83 | /** |
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| 84 | * If this bean originates from a ResultArray, this points back to the result array to build smart eager load queries. |
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| 85 | * |
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| 86 | * @var PartialQuery|null |
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| 87 | */ |
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| 88 | private $partialQuery; |
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| 89 | |||
| 90 | /** |
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| 91 | * Used with $primaryKeys when we want to retrieve an existing object |
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| 92 | * and $primaryKeys=[] if we want a new object. |
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| 93 | * |
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| 94 | * @param string $tableName |
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| 95 | * @param mixed[] $primaryKeys |
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| 96 | * @param TDBMService $tdbmService |
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| 97 | * |
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| 98 | * @throws TDBMException |
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| 99 | * @throws TDBMInvalidOperationException |
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| 100 | */ |
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| 101 | public function __construct(?string $tableName = null, array $primaryKeys = [], TDBMService $tdbmService = null) |
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| 102 | { |
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| 103 | // FIXME: lazy loading should be forbidden on tables with inheritance and dynamic type assignation... |
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| 104 | if (!empty($tableName)) { |
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| 105 | $this->dbRows[$tableName] = new DbRow($this, $tableName, static::getForeignKeys($tableName), $primaryKeys, $tdbmService); |
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| 106 | } |
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| 107 | |||
| 108 | if ($tdbmService === null) { |
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| 109 | $this->_setStatus(TDBMObjectStateEnum::STATE_DETACHED); |
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| 110 | } else { |
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| 111 | $this->_attach($tdbmService); |
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| 112 | if (!empty($primaryKeys)) { |
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| 113 | $this->_setStatus(TDBMObjectStateEnum::STATE_NOT_LOADED); |
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| 114 | } else { |
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| 115 | $this->_setStatus(TDBMObjectStateEnum::STATE_NEW); |
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| 116 | } |
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| 117 | } |
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| 118 | } |
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| 119 | |||
| 120 | /** |
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| 121 | * Alternative constructor called when data is fetched from database via a SELECT. |
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| 122 | * |
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| 123 | * @param array[] $beanData array<table, array<column, value>> |
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| 124 | * @param TDBMService $tdbmService |
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| 125 | */ |
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| 126 | public function _constructFromData(array $beanData, TDBMService $tdbmService, ?PartialQuery $partialQuery): void |
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| 136 | } |
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| 137 | |||
| 138 | /** |
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| 139 | * Alternative constructor called when bean is lazily loaded. |
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| 140 | * |
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| 141 | * @param string $tableName |
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| 142 | * @param mixed[] $primaryKeys |
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| 143 | * @param TDBMService $tdbmService |
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| 144 | */ |
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| 145 | public function _constructLazy(string $tableName, array $primaryKeys, TDBMService $tdbmService, ?PartialQuery $partialQuery): void |
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| 146 | { |
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| 147 | $this->tdbmService = $tdbmService; |
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| 148 | $this->partialQuery = $partialQuery; |
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| 149 | |||
| 150 | $this->dbRows[$tableName] = new DbRow($this, $tableName, static::getForeignKeys($tableName), $primaryKeys, $tdbmService, [], $partialQuery); |
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| 151 | |||
| 152 | $this->status = TDBMObjectStateEnum::STATE_NOT_LOADED; |
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| 153 | } |
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| 154 | |||
| 155 | public function _attach(TDBMService $tdbmService): void |
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| 178 | } |
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| 179 | } |
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| 180 | |||
| 181 | /** |
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| 182 | * Sets the state of the TDBM Object |
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| 183 | * One of TDBMObjectStateEnum::STATE_NEW, TDBMObjectStateEnum::STATE_NOT_LOADED, TDBMObjectStateEnum::STATE_LOADED, TDBMObjectStateEnum::STATE_DELETED. |
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| 184 | * $status = TDBMObjectStateEnum::STATE_NEW when a new object is created with DBMObject:getNewObject. |
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| 185 | * $status = TDBMObjectStateEnum::STATE_NOT_LOADED when the object has been retrieved with getObject but when no data has been accessed in it yet. |
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| 186 | * $status = TDBMObjectStateEnum::STATE_LOADED when the object is cached in memory. |
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| 187 | * |
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| 188 | * @param string $state |
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| 189 | */ |
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| 190 | public function _setStatus(string $state): void |
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| 191 | { |
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| 192 | $this->status = $state; |
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| 193 | |||
| 194 | // The dirty state comes from the db_row itself so there is no need to set it from the called. |
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| 195 | if ($state !== TDBMObjectStateEnum::STATE_DIRTY) { |
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| 196 | foreach ($this->dbRows as $dbRow) { |
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| 197 | $dbRow->_setStatus($state); |
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| 198 | } |
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| 199 | } |
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| 200 | |||
| 201 | if ($state === TDBMObjectStateEnum::STATE_DELETED) { |
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| 202 | $this->onDelete(); |
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| 203 | } |
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| 204 | } |
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| 205 | |||
| 206 | /** |
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| 207 | * Checks that $tableName is ok, or returns the only possible table name if "$tableName = null" |
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| 208 | * or throws an error. |
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| 209 | * |
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| 210 | * @param string|null $tableName |
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| 211 | * |
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| 212 | * @return string |
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| 213 | */ |
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| 214 | private function checkTableName(?string $tableName = null): string |
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| 215 | { |
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| 216 | if ($tableName === null) { |
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| 217 | if (count($this->dbRows) > 1) { |
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| 218 | throw new TDBMException('This object is based on several tables. You must specify which table you are retrieving data from.'); |
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| 219 | } elseif (count($this->dbRows) === 1) { |
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| 220 | $tableName = array_keys($this->dbRows)[0]; |
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| 221 | } |
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| 222 | } |
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| 223 | |||
| 224 | return (string) $tableName; |
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| 225 | } |
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| 226 | |||
| 227 | /** |
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| 228 | * @return mixed |
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| 229 | */ |
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| 230 | protected function get(string $var, string $tableName = null) |
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| 231 | { |
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| 232 | $tableName = $this->checkTableName($tableName); |
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| 233 | |||
| 234 | if (!isset($this->dbRows[$tableName])) { |
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| 235 | return null; |
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| 236 | } |
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| 237 | |||
| 238 | return $this->dbRows[$tableName]->get($var); |
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| 239 | } |
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| 240 | |||
| 241 | /** |
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| 242 | * @param mixed $value |
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| 243 | */ |
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| 244 | protected function set(string $var, $value, ?string $tableName = null): void |
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| 245 | { |
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| 246 | if ($tableName === null) { |
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| 247 | if (count($this->dbRows) > 1) { |
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| 248 | throw new TDBMException('This object is based on several tables. You must specify which table you are retrieving data from.'); |
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| 249 | } elseif (count($this->dbRows) === 1) { |
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| 250 | $tableName = (string) array_keys($this->dbRows)[0]; |
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| 251 | } else { |
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| 252 | throw new TDBMException('Please specify a table for this object.'); |
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| 253 | } |
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| 254 | } |
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| 255 | |||
| 256 | if (!isset($this->dbRows[$tableName])) { |
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| 257 | $this->registerTable($tableName); |
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| 258 | } |
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| 259 | |||
| 260 | $this->dbRows[$tableName]->set($var, $value); |
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| 261 | if ($this->dbRows[$tableName]->_getStatus() === TDBMObjectStateEnum::STATE_DIRTY) { |
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| 262 | $this->status = TDBMObjectStateEnum::STATE_DIRTY; |
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| 263 | } |
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| 264 | } |
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| 265 | |||
| 266 | /** |
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| 267 | * @param string $foreignKeyName |
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| 268 | * @param AbstractTDBMObject $bean |
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| 269 | */ |
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| 270 | protected function setRef(string $foreignKeyName, AbstractTDBMObject $bean = null, string $tableName = null): void |
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| 271 | { |
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| 272 | if ($tableName === null) { |
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| 273 | if (count($this->dbRows) > 1) { |
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| 274 | throw new TDBMException('This object is based on several tables. You must specify which table you are retrieving data from.'); |
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| 275 | } elseif (count($this->dbRows) === 1) { |
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| 276 | $tableName = (string) array_keys($this->dbRows)[0]; |
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| 277 | } else { |
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| 278 | throw new TDBMException('Please specify a table for this object.'); |
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| 279 | } |
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| 280 | } |
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| 281 | |||
| 282 | if (!isset($this->dbRows[$tableName])) { |
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| 283 | $this->registerTable($tableName); |
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| 284 | } |
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| 285 | |||
| 286 | $oldLinkedBean = $this->dbRows[$tableName]->getRef($foreignKeyName); |
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| 287 | if ($oldLinkedBean !== null) { |
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| 288 | $oldLinkedBean->removeManyToOneRelationship($tableName, $foreignKeyName, $this); |
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| 289 | } |
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| 290 | |||
| 291 | $this->dbRows[$tableName]->setRef($foreignKeyName, $bean); |
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| 292 | if ($this->dbRows[$tableName]->_getStatus() === TDBMObjectStateEnum::STATE_DIRTY) { |
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| 293 | $this->status = TDBMObjectStateEnum::STATE_DIRTY; |
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| 294 | } |
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| 295 | |||
| 296 | if ($bean !== null) { |
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| 297 | $bean->setManyToOneRelationship($tableName, $foreignKeyName, $this); |
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| 298 | } |
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| 299 | } |
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| 300 | |||
| 301 | /** |
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| 302 | * @param string $foreignKeyName A unique name for this reference |
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| 303 | * |
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| 304 | * @return AbstractTDBMObject|null |
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| 305 | */ |
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| 306 | protected function getRef(string $foreignKeyName, ?string $tableName = null) : ?AbstractTDBMObject |
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| 307 | { |
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| 308 | $tableName = $this->checkTableName($tableName); |
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| 309 | |||
| 310 | if (!isset($this->dbRows[$tableName])) { |
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| 311 | return null; |
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| 312 | } |
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| 313 | |||
| 314 | return $this->dbRows[$tableName]->getRef($foreignKeyName); |
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| 315 | } |
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| 316 | |||
| 317 | /** |
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| 318 | * Adds a many to many relationship to this bean. |
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| 319 | * |
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| 320 | * @param string $pivotTableName |
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| 321 | * @param AbstractTDBMObject $remoteBean |
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| 322 | */ |
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| 323 | protected function addRelationship(string $pivotTableName, AbstractTDBMObject $remoteBean): void |
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| 324 | { |
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| 325 | $this->setRelationship($pivotTableName, $remoteBean, 'new'); |
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| 326 | } |
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| 327 | |||
| 328 | /** |
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| 329 | * Returns true if there is a relationship to this bean. |
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| 330 | * |
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| 331 | * @return bool |
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| 332 | */ |
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| 333 | protected function hasRelationship(string $pathKey, AbstractTDBMObject $remoteBean): bool |
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| 334 | { |
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| 335 | $pathModel = $this->_getManyToManyRelationshipDescriptor($pathKey); |
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| 336 | $storage = $this->retrieveRelationshipsStorage($pathModel); |
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| 337 | |||
| 338 | if ($storage->contains($remoteBean)) { |
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| 339 | if ($storage[$remoteBean]['status'] !== 'delete') { |
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| 340 | return true; |
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| 341 | } |
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| 342 | } |
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| 343 | |||
| 344 | return false; |
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| 345 | } |
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| 346 | |||
| 347 | /** |
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| 348 | * Internal TDBM method. Removes a many to many relationship from this bean. |
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| 349 | * |
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| 350 | * @param string $pivotTableName |
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| 351 | * @param AbstractTDBMObject $remoteBean |
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| 352 | */ |
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| 353 | public function _removeRelationship(string $pivotTableName, AbstractTDBMObject $remoteBean): void |
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| 354 | { |
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| 355 | if (isset($this->relationships[$pivotTableName][$remoteBean]) && $this->relationships[$pivotTableName][$remoteBean]['status'] === 'new') { |
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| 356 | unset($this->relationships[$pivotTableName][$remoteBean]); |
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| 357 | unset($remoteBean->relationships[$pivotTableName][$this]); |
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| 358 | } else { |
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| 359 | $this->setRelationship($pivotTableName, $remoteBean, 'delete'); |
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| 360 | } |
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| 361 | } |
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| 362 | |||
| 363 | /** |
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| 364 | * Sets many to many relationships for this bean. |
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| 365 | * Adds new relationships and removes unused ones. |
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| 366 | * |
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| 367 | * @param AbstractTDBMObject[] $remoteBeans |
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| 368 | */ |
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| 369 | protected function setRelationships(string $pathKey, array $remoteBeans): void |
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| 370 | { |
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| 371 | $pathModel = $this->_getManyToManyRelationshipDescriptor($pathKey); |
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| 372 | $pivotTableName = $pathModel->getPivotName(); |
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| 373 | $storage = $this->retrieveRelationshipsStorage($pathModel); |
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| 374 | |||
| 375 | foreach ($storage as $oldRemoteBean) { |
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| 376 | /* @var $oldRemoteBean AbstractTDBMObject */ |
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| 377 | if (!in_array($oldRemoteBean, $remoteBeans, true)) { |
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| 378 | // $oldRemoteBean must be removed |
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| 379 | $this->_removeRelationship($pivotTableName, $oldRemoteBean); |
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| 380 | } |
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| 381 | } |
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| 382 | |||
| 383 | foreach ($remoteBeans as $remoteBean) { |
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| 384 | if (!$storage->contains($remoteBean) || $storage[$remoteBean]['status'] === 'delete') { |
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| 385 | // $remoteBean must be added |
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| 386 | $this->addRelationship($pivotTableName, $remoteBean); |
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| 387 | } |
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| 388 | } |
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| 389 | } |
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| 390 | |||
| 391 | /** |
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| 392 | * Returns the list of objects linked to this bean via $pivotTableName. |
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| 393 | * |
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| 394 | * @return \SplObjectStorage |
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| 395 | */ |
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| 396 | private function retrieveRelationshipsStorage(ManyToManyRelationshipPathDescriptor $pathModel): \SplObjectStorage |
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| 420 | } |
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| 421 | |||
| 422 | /** |
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| 423 | * Internal TDBM method. Returns the list of objects linked to this bean via $pivotTableName. |
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| 424 | * |
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| 425 | * @return AbstractTDBMObject[] |
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| 426 | */ |
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| 427 | public function _getRelationships(string $pathKey): array |
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| 428 | { |
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| 429 | $pathModel = $this->_getManyToManyRelationshipDescriptor($pathKey); |
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| 430 | return $this->_getRelationshipsFromModel($pathModel); |
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| 431 | } |
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| 432 | |||
| 433 | /** |
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| 434 | * @return AbstractTDBMObject[] |
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| 435 | */ |
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| 436 | public function _getRelationshipsFromModel(ManyToManyRelationshipPathDescriptor $pathModel): array |
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| 437 | { |
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| 438 | return $this->relationshipStorageToArray($this->retrieveRelationshipsStorage($pathModel)); |
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| 439 | } |
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| 440 | |||
| 441 | /** |
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| 442 | * @param \SplObjectStorage $storage |
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| 443 | * @return AbstractTDBMObject[] |
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| 444 | */ |
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| 445 | private function relationshipStorageToArray(\SplObjectStorage $storage): array |
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| 446 | { |
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| 447 | $beans = []; |
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| 448 | foreach ($storage as $bean) { |
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| 449 | $statusArr = $storage[$bean]; |
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| 450 | if ($statusArr['status'] !== 'delete') { |
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| 451 | $beans[] = $bean; |
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| 452 | } |
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| 453 | } |
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| 454 | |||
| 455 | return $beans; |
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| 456 | } |
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| 457 | |||
| 458 | /** |
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| 459 | * Declares a relationship between. |
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| 460 | * |
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| 461 | * @param string $pivotTableName |
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| 462 | * @param AbstractTDBMObject $remoteBean |
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| 463 | * @param string $status |
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| 464 | */ |
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| 465 | private function setRelationship(string $pivotTableName, AbstractTDBMObject $remoteBean, string $status): void |
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| 466 | { |
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| 467 | $storage = $this->getRelationshipStorage($pivotTableName); |
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| 468 | $storage->attach($remoteBean, ['status' => $status, 'reverse' => false]); |
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| 469 | if ($this->status === TDBMObjectStateEnum::STATE_LOADED) { |
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| 470 | $this->_setStatus(TDBMObjectStateEnum::STATE_DIRTY); |
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| 471 | } |
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| 472 | |||
| 473 | $remoteStorage = $remoteBean->getRelationshipStorage($pivotTableName); |
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| 474 | $remoteStorage->attach($this, ['status' => $status, 'reverse' => true]); |
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| 475 | } |
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| 476 | |||
| 477 | /** |
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| 478 | * Returns the SplObjectStorage associated to this relationship (creates it if it does not exists). |
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| 479 | * |
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| 480 | * @param string $pivotTableName |
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| 481 | * |
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| 482 | * @return \SplObjectStorage |
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| 483 | */ |
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| 484 | private function getRelationshipStorage(string $pivotTableName) : \SplObjectStorage |
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| 485 | { |
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| 486 | return $this->relationships[$pivotTableName] ?? $this->relationships[$pivotTableName] = new \SplObjectStorage(); |
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| 487 | } |
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| 488 | |||
| 489 | /** |
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| 490 | * Returns the SplObjectStorage associated to this relationship (creates it if it does not exists). |
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| 491 | * |
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| 492 | * @param string $tableName |
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| 493 | * @param string $foreignKeyName |
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| 494 | * |
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| 495 | * @return AlterableResultIterator |
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| 496 | */ |
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| 497 | private function getManyToOneAlterableResultIterator(string $tableName, string $foreignKeyName) : AlterableResultIterator |
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| 498 | { |
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| 499 | $key = $tableName.'___'.$foreignKeyName; |
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| 500 | |||
| 501 | return $this->manyToOneRelationships[$key] ?? $this->manyToOneRelationships[$key] = new AlterableResultIterator(); |
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| 502 | } |
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| 503 | |||
| 504 | /** |
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| 505 | * Declares a relationship between this bean and the bean pointing to it. |
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| 506 | * |
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| 507 | * @param string $tableName |
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| 508 | * @param string $foreignKeyName |
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| 509 | * @param AbstractTDBMObject $remoteBean |
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| 510 | */ |
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| 511 | private function setManyToOneRelationship(string $tableName, string $foreignKeyName, AbstractTDBMObject $remoteBean): void |
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| 512 | { |
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| 513 | $alterableResultIterator = $this->getManyToOneAlterableResultIterator($tableName, $foreignKeyName); |
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| 514 | $alterableResultIterator->add($remoteBean); |
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| 515 | } |
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| 516 | |||
| 517 | /** |
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| 518 | * Declares a relationship between this bean and the bean pointing to it. |
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| 519 | * |
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| 520 | * @param string $tableName |
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| 521 | * @param string $foreignKeyName |
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| 522 | * @param AbstractTDBMObject $remoteBean |
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| 523 | */ |
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| 524 | private function removeManyToOneRelationship(string $tableName, string $foreignKeyName, AbstractTDBMObject $remoteBean): void |
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| 525 | { |
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| 526 | $alterableResultIterator = $this->getManyToOneAlterableResultIterator($tableName, $foreignKeyName); |
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| 527 | $alterableResultIterator->remove($remoteBean); |
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| 528 | } |
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| 529 | |||
| 530 | /** |
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| 531 | * Returns the list of objects linked to this bean via a given foreign key. |
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| 532 | * |
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| 533 | * @param string $tableName |
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| 534 | * @param string $foreignKeyName |
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| 535 | * @param array<int, string> $localColumns |
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| 536 | * @param array<int, string> $foreignColumns |
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| 537 | * @param string $foreignTableName |
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| 538 | * @param string $orderString The ORDER BY part of the query. All columns must be prefixed by the table name (in the form: table.column). WARNING : This parameter is not kept when there is an additional or removal object ! |
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| 539 | * |
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| 540 | * @return AlterableResultIterator |
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| 541 | * @throws TDBMException |
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| 542 | */ |
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| 543 | protected function retrieveManyToOneRelationshipsStorage(string $tableName, string $foreignKeyName, array $localColumns, array $foreignColumns, string $foreignTableName, string $orderString = null) : AlterableResultIterator |
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| 544 | { |
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| 545 | $key = $tableName.'___'.$foreignKeyName; |
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| 546 | $alterableResultIterator = $this->getManyToOneAlterableResultIterator($tableName, $foreignKeyName); |
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| 547 | if ($this->status === TDBMObjectStateEnum::STATE_DETACHED || $this->status === TDBMObjectStateEnum::STATE_NEW || (isset($this->manyToOneRelationships[$key]) && $this->manyToOneRelationships[$key]->getUnderlyingResultIterator() !== null)) { |
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| 548 | return $alterableResultIterator; |
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| 549 | } |
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| 550 | |||
| 551 | $ids = []; |
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| 552 | foreach ($foreignColumns as $foreignColumn) { |
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| 553 | $ids[] = $this->get($foreignColumn, $foreignTableName); |
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| 554 | } |
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| 555 | |||
| 556 | $searchFilter = array_combine($localColumns, $ids); |
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| 557 | |||
| 558 | $unalteredResultIterator = $this->tdbmService->findObjects($tableName, $searchFilter, [], $orderString); |
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|
Bug
introduced
by
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| 559 | |||
| 560 | $alterableResultIterator->setResultIterator($unalteredResultIterator->getIterator()); |
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| 561 | |||
| 562 | return $alterableResultIterator; |
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| 563 | } |
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| 564 | |||
| 565 | /** |
||
| 566 | * Reverts any changes made to the object and resumes it to its DB state. |
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| 567 | * This can only be called on objects that come from database and that have not been deleted. |
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| 568 | * Otherwise, this will throw an exception. |
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| 569 | * |
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| 570 | * @throws TDBMException |
||
| 571 | */ |
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| 572 | public function discardChanges(): void |
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| 573 | { |
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| 574 | if ($this->status === TDBMObjectStateEnum::STATE_NEW || $this->status === TDBMObjectStateEnum::STATE_DETACHED) { |
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| 575 | throw new TDBMException("You cannot call discardChanges() on an object that has been created with the 'new' keyword and that has not yet been saved."); |
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| 576 | } |
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| 577 | |||
| 578 | if ($this->status === TDBMObjectStateEnum::STATE_DELETED) { |
||
| 579 | throw new TDBMException('You cannot call discardChanges() on an object that has been deleted.'); |
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| 580 | } |
||
| 581 | |||
| 582 | $this->_setStatus(TDBMObjectStateEnum::STATE_NOT_LOADED); |
||
| 583 | foreach ($this->dbRows as $row) { |
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| 584 | $row->disableSmartEagerLoad(); |
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| 585 | } |
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| 586 | $this->partialQuery = null; |
||
| 587 | } |
||
| 588 | |||
| 589 | /** |
||
| 590 | * Prevents smart eager loading of related entities. |
||
| 591 | * If this bean was loaded through a result iterator, smart eager loading loads all entities of related beans at once. |
||
| 592 | * You can disable it with this function. |
||
| 593 | */ |
||
| 594 | public function disableSmartEagerLoad(): void |
||
| 595 | { |
||
| 596 | $this->partialQuery = null; |
||
| 597 | } |
||
| 598 | |||
| 599 | /** |
||
| 600 | * Method used internally by TDBM. You should not use it directly. |
||
| 601 | * This method returns the status of the TDBMObject. |
||
| 602 | * This is one of TDBMObjectStateEnum::STATE_NEW, TDBMObjectStateEnum::STATE_NOT_LOADED, TDBMObjectStateEnum::STATE_LOADED, TDBMObjectStateEnum::STATE_DELETED. |
||
| 603 | * $status = TDBMObjectStateEnum::STATE_NEW when a new object is created with DBMObject:getNewObject. |
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| 604 | * $status = TDBMObjectStateEnum::STATE_NOT_LOADED when the object has been retrieved with getObject but when no data has been accessed in it yet. |
||
| 605 | * $status = TDBMObjectStateEnum::STATE_LOADED when the object is cached in memory. |
||
| 606 | * |
||
| 607 | * @return string |
||
| 608 | */ |
||
| 609 | public function _getStatus() : string |
||
| 610 | { |
||
| 611 | if ($this->status === null) { |
||
| 612 | throw new TDBMException(sprintf('Your bean for class %s has no status. It is likely that you overloaded the __construct method and forgot to call parent::__construct.', get_class($this))); |
||
| 613 | } |
||
| 614 | |||
| 615 | return $this->status; |
||
| 616 | } |
||
| 617 | |||
| 618 | /** |
||
| 619 | * Override the native php clone function for TDBMObjects. |
||
| 620 | */ |
||
| 621 | public function __clone() |
||
| 622 | { |
||
| 623 | // Let's clone each row |
||
| 624 | foreach ($this->dbRows as $key => &$dbRow) { |
||
| 625 | $dbRow = clone $dbRow; |
||
| 626 | $dbRow->setTDBMObject($this); |
||
| 627 | } |
||
| 628 | |||
| 629 | $this->manyToOneRelationships = []; |
||
| 630 | |||
| 631 | // Let's set the status to new (to enter the save function) |
||
| 632 | $this->status = TDBMObjectStateEnum::STATE_DETACHED; |
||
| 633 | } |
||
| 634 | |||
| 635 | /** |
||
| 636 | * Returns raw database rows. |
||
| 637 | * |
||
| 638 | * @return DbRow[] Key: table name, Value: DbRow object |
||
| 639 | */ |
||
| 640 | public function _getDbRows(): array |
||
| 641 | { |
||
| 642 | return $this->dbRows; |
||
| 643 | } |
||
| 644 | |||
| 645 | private function registerTable(string $tableName): void |
||
| 646 | { |
||
| 647 | $dbRow = new DbRow($this, $tableName, static::getForeignKeys($tableName)); |
||
| 648 | |||
| 649 | if (in_array($this->status, [TDBMObjectStateEnum::STATE_NOT_LOADED, TDBMObjectStateEnum::STATE_LOADED, TDBMObjectStateEnum::STATE_DIRTY], true)) { |
||
| 650 | // Let's get the primary key for the new table |
||
| 651 | $anotherDbRow = array_values($this->dbRows)[0]; |
||
| 652 | /* @var $anotherDbRow DbRow */ |
||
| 653 | $indexedPrimaryKeys = array_values($anotherDbRow->_getPrimaryKeys()); |
||
| 654 | $primaryKeys = $this->tdbmService->_getPrimaryKeysFromIndexedPrimaryKeys($tableName, $indexedPrimaryKeys); |
||
| 655 | $dbRow->_setPrimaryKeys($primaryKeys); |
||
| 656 | } |
||
| 657 | |||
| 658 | if ($this->status === null) { |
||
| 659 | throw new TDBMException(sprintf('Your bean for class %s has no status. It is likely that you overloaded the __construct method and forgot to call parent::__construct.', get_class($this))); |
||
| 660 | } |
||
| 661 | |||
| 662 | $dbRow->_setStatus($this->status); |
||
| 663 | |||
| 664 | $this->dbRows[$tableName] = $dbRow; |
||
| 665 | // TODO: look at status (if not new)=> get primary key from tdbmservice |
||
| 666 | } |
||
| 667 | |||
| 668 | /** |
||
| 669 | * Internal function: return the list of relationships. |
||
| 670 | * |
||
| 671 | * @return \SplObjectStorage[] |
||
| 672 | */ |
||
| 673 | public function _getCachedRelationships(): array |
||
| 674 | { |
||
| 675 | return $this->relationships; |
||
| 676 | } |
||
| 677 | |||
| 678 | /** |
||
| 679 | * Returns an array of used tables by this bean (from parent to child relationship). |
||
| 680 | * |
||
| 681 | * @return string[] |
||
| 682 | */ |
||
| 683 | abstract protected function getUsedTables() : array; |
||
| 684 | |||
| 685 | /** |
||
| 686 | * Method called when the bean is removed from database. |
||
| 687 | */ |
||
| 688 | protected function onDelete() : void |
||
| 689 | { |
||
| 690 | } |
||
| 691 | |||
| 692 | /** |
||
| 693 | * Returns the foreign keys used by this bean. |
||
| 694 | */ |
||
| 695 | protected static function getForeignKeys(string $tableName): ForeignKeys |
||
| 696 | { |
||
| 697 | return new ForeignKeys([]); |
||
| 698 | } |
||
| 699 | |||
| 700 | public function _getManyToManyRelationshipDescriptor(string $pathKey): ManyToManyRelationshipPathDescriptor |
||
| 701 | { |
||
| 702 | throw new TDBMException('Could not find many to many relationship descriptor key for "'.$pathKey.'"'); |
||
| 703 | } |
||
| 704 | |||
| 705 | /** |
||
| 706 | * @return string[] |
||
| 707 | */ |
||
| 708 | public function _getManyToManyRelationshipDescriptorKeys(): array |
||
| 711 | } |
||
| 712 | } |
||
| 713 |
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