| Total Complexity | 71 |
| Total Lines | 628 |
| Duplicated Lines | 0 % |
| Changes | 2 | ||
| Bugs | 0 | Features | 0 |
Complex classes like Manager 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 Manager, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 56 | class Manager implements IManager { |
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| 57 | |||
| 58 | /** @var IStorage */ |
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| 59 | protected $storage; |
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| 60 | |||
| 61 | /** @var string */ |
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| 62 | protected $path; |
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| 63 | |||
| 64 | /** @var object */ |
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| 65 | protected $entity; |
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| 66 | |||
| 67 | /** @var array[] */ |
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| 68 | protected $operations = []; |
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| 69 | |||
| 70 | /** @var array[] */ |
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| 71 | protected $checks = []; |
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| 72 | |||
| 73 | /** @var IDBConnection */ |
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| 74 | protected $connection; |
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| 75 | |||
| 76 | /** @var IServerContainer|\OC\Server */ |
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| 77 | protected $container; |
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| 78 | |||
| 79 | /** @var IL10N */ |
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| 80 | protected $l; |
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| 81 | |||
| 82 | /** @var EventDispatcherInterface */ |
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| 83 | protected $eventDispatcher; |
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| 84 | |||
| 85 | /** @var IEntity[] */ |
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| 86 | protected $registeredEntities = []; |
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| 87 | |||
| 88 | /** @var IOperation[] */ |
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| 89 | protected $registeredOperators = []; |
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| 90 | |||
| 91 | /** @var ICheck[] */ |
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| 92 | protected $registeredChecks = []; |
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| 93 | |||
| 94 | /** @var ILogger */ |
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| 95 | protected $logger; |
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| 96 | |||
| 97 | /** @var CappedMemoryCache */ |
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| 98 | protected $operationsByScope = []; |
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| 99 | |||
| 100 | /** @var IUserSession */ |
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| 101 | protected $session; |
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| 102 | |||
| 103 | /** |
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| 104 | * @param IDBConnection $connection |
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| 105 | * @param IServerContainer $container |
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| 106 | * @param IL10N $l |
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| 107 | */ |
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| 108 | public function __construct( |
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| 109 | IDBConnection $connection, |
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| 110 | IServerContainer $container, |
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| 111 | IL10N $l, |
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| 112 | EventDispatcherInterface $eventDispatcher, |
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| 113 | ILogger $logger, |
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| 114 | IUserSession $session |
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| 115 | ) { |
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| 116 | $this->connection = $connection; |
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| 117 | $this->container = $container; |
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| 118 | $this->l = $l; |
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| 119 | $this->eventDispatcher = $eventDispatcher; |
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| 120 | $this->logger = $logger; |
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| 121 | $this->operationsByScope = new CappedMemoryCache(64); |
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| 122 | $this->session = $session; |
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| 123 | } |
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| 124 | |||
| 125 | public function getRuleMatcher(): IRuleMatcher { |
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| 126 | return new RuleMatcher($this->session, $this->container, $this->l, $this); |
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| 127 | } |
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| 128 | |||
| 129 | public function getAllConfiguredEvents() { |
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| 153 | } |
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| 154 | |||
| 155 | public function getAllConfiguredScopesForOperation(string $operationClass): array { |
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| 156 | static $scopesByOperation = []; |
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| 157 | if (isset($scopesByOperation[$operationClass])) { |
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| 158 | return $scopesByOperation[$operationClass]; |
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| 159 | } |
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| 160 | |||
| 161 | $query = $this->connection->getQueryBuilder(); |
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| 162 | |||
| 163 | $query->selectDistinct('s.type') |
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| 164 | ->addSelect('s.value') |
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| 165 | ->from('flow_operations', 'o') |
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| 166 | ->leftJoin('o', 'flow_operations_scope', 's', $query->expr()->eq('o.id', 's.operation_id')) |
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| 167 | ->where($query->expr()->eq('o.class', $query->createParameter('operationClass'))); |
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| 168 | |||
| 169 | $query->setParameters(['operationClass' => $operationClass]); |
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| 170 | $result = $query->execute(); |
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| 171 | |||
| 172 | $scopesByOperation[$operationClass] = []; |
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| 173 | while ($row = $result->fetch()) { |
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| 174 | $scope = new ScopeContext($row['type'], $row['value']); |
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| 175 | $scopesByOperation[$operationClass][$scope->getHash()] = $scope; |
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| 176 | } |
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| 177 | |||
| 178 | return $scopesByOperation[$operationClass]; |
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| 179 | } |
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| 180 | |||
| 181 | public function getAllOperations(ScopeContext $scopeContext): array { |
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| 182 | if(isset($this->operations[$scopeContext->getHash()])) { |
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| 183 | return $this->operations[$scopeContext->getHash()]; |
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| 184 | } |
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| 185 | |||
| 186 | $query = $this->connection->getQueryBuilder(); |
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| 187 | |||
| 188 | $query->select('o.*') |
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| 189 | ->selectAlias('s.type', 'scope_type') |
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| 190 | ->selectAlias('s.value', 'scope_actor_id') |
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| 191 | ->from('flow_operations', 'o') |
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| 192 | ->leftJoin('o', 'flow_operations_scope', 's', $query->expr()->eq('o.id', 's.operation_id')) |
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| 193 | ->where($query->expr()->eq('s.type', $query->createParameter('scope'))); |
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| 194 | |||
| 195 | if($scopeContext->getScope() === IManager::SCOPE_USER) { |
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| 196 | $query->andWhere($query->expr()->eq('s.value', $query->createParameter('scopeId'))); |
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| 197 | } |
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| 198 | |||
| 199 | $query->setParameters(['scope' => $scopeContext->getScope(), 'scopeId' => $scopeContext->getScopeId()]); |
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| 200 | $result = $query->execute(); |
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| 201 | |||
| 202 | $this->operations[$scopeContext->getHash()] = []; |
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| 203 | while ($row = $result->fetch()) { |
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| 204 | if(!isset($this->operations[$scopeContext->getHash()][$row['class']])) { |
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| 205 | $this->operations[$scopeContext->getHash()][$row['class']] = []; |
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| 206 | } |
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| 207 | $this->operations[$scopeContext->getHash()][$row['class']][] = $row; |
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| 208 | } |
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| 209 | |||
| 210 | return $this->operations[$scopeContext->getHash()]; |
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| 211 | } |
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| 212 | |||
| 213 | public function getOperations(string $class, ScopeContext $scopeContext): array { |
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| 214 | if (!isset($this->operations[$scopeContext->getHash()])) { |
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| 215 | $this->getAllOperations($scopeContext); |
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| 216 | } |
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| 217 | return $this->operations[$scopeContext->getHash()][$class] ?? []; |
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| 218 | } |
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| 219 | |||
| 220 | /** |
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| 221 | * @param int $id |
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| 222 | * @return array |
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| 223 | * @throws \UnexpectedValueException |
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| 224 | */ |
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| 225 | protected function getOperation($id) { |
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| 226 | $query = $this->connection->getQueryBuilder(); |
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| 227 | $query->select('*') |
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| 228 | ->from('flow_operations') |
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| 229 | ->where($query->expr()->eq('id', $query->createNamedParameter($id))); |
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| 230 | $result = $query->execute(); |
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| 231 | $row = $result->fetch(); |
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| 232 | $result->closeCursor(); |
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| 233 | |||
| 234 | if ($row) { |
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| 235 | return $row; |
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| 236 | } |
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| 237 | |||
| 238 | throw new \UnexpectedValueException($this->l->t('Operation #%s does not exist', [$id])); |
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| 239 | } |
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| 240 | |||
| 241 | protected function insertOperation( |
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| 242 | string $class, |
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| 243 | string $name, |
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| 244 | array $checkIds, |
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| 245 | string $operation, |
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| 246 | string $entity, |
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| 247 | array $events |
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| 248 | ): int { |
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| 249 | $query = $this->connection->getQueryBuilder(); |
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| 250 | $query->insert('flow_operations') |
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| 251 | ->values([ |
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| 252 | 'class' => $query->createNamedParameter($class), |
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| 253 | 'name' => $query->createNamedParameter($name), |
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| 254 | 'checks' => $query->createNamedParameter(json_encode(array_unique($checkIds))), |
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| 255 | 'operation' => $query->createNamedParameter($operation), |
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| 256 | 'entity' => $query->createNamedParameter($entity), |
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| 257 | 'events' => $query->createNamedParameter(json_encode($events)) |
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| 258 | ]); |
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| 259 | $query->execute(); |
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| 260 | |||
| 261 | return $query->getLastInsertId(); |
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| 262 | } |
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| 263 | |||
| 264 | /** |
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| 265 | * @param string $class |
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| 266 | * @param string $name |
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| 267 | * @param array[] $checks |
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| 268 | * @param string $operation |
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| 269 | * @return array The added operation |
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| 270 | * @throws \UnexpectedValueException |
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| 271 | * @throws DBALException |
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| 272 | */ |
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| 273 | public function addOperation( |
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| 274 | string $class, |
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| 275 | string $name, |
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| 276 | array $checks, |
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| 277 | string $operation, |
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| 278 | ScopeContext $scope, |
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| 279 | string $entity, |
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| 280 | array $events |
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| 281 | ) { |
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| 282 | $this->validateOperation($class, $name, $checks, $operation, $entity, $events); |
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| 283 | |||
| 284 | $this->connection->beginTransaction(); |
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| 285 | |||
| 286 | try { |
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| 287 | $checkIds = []; |
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| 288 | foreach ($checks as $check) { |
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| 289 | $checkIds[] = $this->addCheck($check['class'], $check['operator'], $check['value']); |
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| 290 | } |
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| 291 | |||
| 292 | $id = $this->insertOperation($class, $name, $checkIds, $operation, $entity, $events); |
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| 293 | $this->addScope($id, $scope); |
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| 294 | |||
| 295 | $this->connection->commit(); |
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| 296 | } catch (DBALException $e) { |
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| 297 | $this->connection->rollBack(); |
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| 298 | throw $e; |
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| 299 | } |
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| 300 | |||
| 301 | return $this->getOperation($id); |
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| 302 | } |
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| 303 | |||
| 304 | protected function canModify(int $id, ScopeContext $scopeContext):bool { |
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| 305 | if(isset($this->operationsByScope[$scopeContext->getHash()])) { |
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| 306 | return in_array($id, $this->operationsByScope[$scopeContext->getHash()], true); |
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| 307 | } |
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| 308 | |||
| 309 | $qb = $this->connection->getQueryBuilder(); |
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| 310 | $qb = $qb->select('o.id') |
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| 311 | ->from('flow_operations', 'o') |
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| 312 | ->leftJoin('o', 'flow_operations_scope', 's', $qb->expr()->eq('o.id', 's.operation_id')) |
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| 313 | ->where($qb->expr()->eq('s.type', $qb->createParameter('scope'))); |
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| 314 | |||
| 315 | if($scopeContext->getScope() !== IManager::SCOPE_ADMIN) { |
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| 316 | $qb->where($qb->expr()->eq('s.value', $qb->createParameter('scopeId'))); |
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| 317 | } |
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| 318 | |||
| 319 | $qb->setParameters(['scope' => $scopeContext->getScope(), 'scopeId' => $scopeContext->getScopeId()]); |
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| 320 | $result = $qb->execute(); |
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| 321 | |||
| 322 | $this->operationsByScope[$scopeContext->getHash()] = []; |
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| 323 | while($opId = $result->fetchColumn(0)) { |
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| 324 | $this->operationsByScope[$scopeContext->getHash()][] = (int)$opId; |
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| 325 | } |
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| 326 | $result->closeCursor(); |
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| 327 | |||
| 328 | return in_array($id, $this->operationsByScope[$scopeContext->getHash()], true); |
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| 329 | } |
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| 330 | |||
| 331 | /** |
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| 332 | * @param int $id |
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| 333 | * @param string $name |
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| 334 | * @param array[] $checks |
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| 335 | * @param string $operation |
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| 336 | * @return array The updated operation |
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| 337 | * @throws \UnexpectedValueException |
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| 338 | * @throws \DomainException |
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| 339 | * @throws DBALException |
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| 340 | */ |
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| 341 | public function updateOperation( |
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| 342 | int $id, |
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| 343 | string $name, |
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| 344 | array $checks, |
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| 345 | string $operation, |
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| 346 | ScopeContext $scopeContext, |
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| 347 | string $entity, |
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| 348 | array $events |
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| 349 | ): array { |
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| 350 | if(!$this->canModify($id, $scopeContext)) { |
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| 351 | throw new \DomainException('Target operation not within scope'); |
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| 352 | }; |
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| 353 | $row = $this->getOperation($id); |
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| 354 | $this->validateOperation($row['class'], $name, $checks, $operation, $entity, $events); |
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| 355 | |||
| 356 | $checkIds = []; |
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| 357 | try { |
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| 358 | $this->connection->beginTransaction(); |
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| 359 | foreach ($checks as $check) { |
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| 360 | $checkIds[] = $this->addCheck($check['class'], $check['operator'], $check['value']); |
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| 361 | } |
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| 362 | |||
| 363 | $query = $this->connection->getQueryBuilder(); |
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| 364 | $query->update('flow_operations') |
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| 365 | ->set('name', $query->createNamedParameter($name)) |
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| 366 | ->set('checks', $query->createNamedParameter(json_encode(array_unique($checkIds)))) |
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| 367 | ->set('operation', $query->createNamedParameter($operation)) |
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| 368 | ->set('entity', $query->createNamedParameter($entity)) |
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| 369 | ->set('events', $query->createNamedParameter(json_encode($events))) |
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| 370 | ->where($query->expr()->eq('id', $query->createNamedParameter($id))); |
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| 371 | $query->execute(); |
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| 372 | $this->connection->commit(); |
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| 373 | } catch (DBALException $e) { |
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| 374 | $this->connection->rollBack(); |
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| 375 | throw $e; |
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| 376 | } |
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| 377 | unset($this->operations[$scopeContext->getHash()]); |
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| 378 | |||
| 379 | return $this->getOperation($id); |
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| 380 | } |
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| 381 | |||
| 382 | /** |
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| 383 | * @param int $id |
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| 384 | * @return bool |
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| 385 | * @throws \UnexpectedValueException |
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| 386 | * @throws DBALException |
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| 387 | * @throws \DomainException |
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| 388 | */ |
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| 389 | public function deleteOperation($id, ScopeContext $scopeContext) { |
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| 390 | if(!$this->canModify($id, $scopeContext)) { |
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| 391 | throw new \DomainException('Target operation not within scope'); |
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| 392 | }; |
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| 393 | $query = $this->connection->getQueryBuilder(); |
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| 394 | try { |
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| 395 | $this->connection->beginTransaction(); |
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| 396 | $result = (bool)$query->delete('flow_operations') |
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| 397 | ->where($query->expr()->eq('id', $query->createNamedParameter($id))) |
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| 398 | ->execute(); |
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| 399 | if($result) { |
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| 400 | $qb = $this->connection->getQueryBuilder(); |
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| 401 | $result &= (bool)$qb->delete('flow_operations_scope') |
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| 402 | ->where($qb->expr()->eq('operation_id', $qb->createNamedParameter($id))) |
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| 403 | ->execute(); |
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| 404 | } |
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| 405 | $this->connection->commit(); |
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| 406 | } catch (DBALException $e) { |
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| 407 | $this->connection->rollBack(); |
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| 408 | throw $e; |
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| 409 | } |
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| 410 | |||
| 411 | if(isset($this->operations[$scopeContext->getHash()])) { |
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| 412 | unset($this->operations[$scopeContext->getHash()]); |
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| 413 | } |
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| 414 | |||
| 415 | return $result; |
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| 416 | } |
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| 417 | |||
| 418 | protected function validateEvents(string $entity, array $events, IOperation $operation) { |
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| 419 | try { |
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| 420 | /** @var IEntity $instance */ |
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| 421 | $instance = $this->container->query($entity); |
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| 422 | } catch (QueryException $e) { |
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| 423 | throw new \UnexpectedValueException($this->l->t('Entity %s does not exist', [$entity])); |
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| 424 | } |
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| 425 | |||
| 426 | if(!$instance instanceof IEntity) { |
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| 427 | throw new \UnexpectedValueException($this->l->t('Entity %s is invalid', [$entity])); |
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| 428 | } |
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| 429 | |||
| 430 | if(empty($events)) { |
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| 431 | if(!$operation instanceof IComplexOperation) { |
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| 432 | throw new \UnexpectedValueException($this->l->t('No events are chosen.')); |
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| 433 | } |
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| 434 | return; |
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| 435 | } |
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| 436 | |||
| 437 | $availableEvents = []; |
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| 438 | foreach ($instance->getEvents() as $event) { |
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| 439 | /** @var IEntityEvent $event */ |
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| 440 | $availableEvents[] = $event->getEventName(); |
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| 441 | } |
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| 442 | |||
| 443 | $diff = array_diff($events, $availableEvents); |
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| 444 | if(!empty($diff)) { |
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| 445 | throw new \UnexpectedValueException($this->l->t('Entity %s has no event %s', [$entity, array_shift($diff)])); |
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| 446 | } |
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| 447 | } |
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| 448 | |||
| 449 | /** |
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| 450 | * @param string $class |
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| 451 | * @param string $name |
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| 452 | * @param array[] $checks |
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| 453 | * @param string $operation |
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| 454 | * @throws \UnexpectedValueException |
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| 455 | */ |
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| 456 | public function validateOperation($class, $name, array $checks, $operation, string $entity, array $events) { |
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| 457 | try { |
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| 458 | /** @var IOperation $instance */ |
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| 459 | $instance = $this->container->query($class); |
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| 460 | } catch (QueryException $e) { |
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| 461 | throw new \UnexpectedValueException($this->l->t('Operation %s does not exist', [$class])); |
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| 462 | } |
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| 463 | |||
| 464 | if (!($instance instanceof IOperation)) { |
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| 465 | throw new \UnexpectedValueException($this->l->t('Operation %s is invalid', [$class])); |
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| 466 | } |
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| 467 | |||
| 468 | $this->validateEvents($entity, $events, $instance); |
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| 469 | |||
| 470 | $instance->validateOperation($name, $checks, $operation); |
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| 471 | |||
| 472 | foreach ($checks as $check) { |
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| 473 | try { |
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| 474 | /** @var ICheck $instance */ |
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| 475 | $instance = $this->container->query($check['class']); |
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| 476 | } catch (QueryException $e) { |
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| 477 | throw new \UnexpectedValueException($this->l->t('Check %s does not exist', [$class])); |
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| 478 | } |
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| 479 | |||
| 480 | if (!($instance instanceof ICheck)) { |
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| 481 | throw new \UnexpectedValueException($this->l->t('Check %s is invalid', [$class])); |
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| 482 | } |
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| 483 | |||
| 484 | if (!empty($instance->supportedEntities()) |
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| 485 | && !in_array($entity, $instance->supportedEntities()) |
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| 486 | ) { |
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| 487 | throw new \UnexpectedValueException($this->l->t('Check %s is not allowed with this entity', [$class])); |
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| 488 | } |
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| 489 | |||
| 490 | $instance->validateCheck($check['operator'], $check['value']); |
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| 491 | } |
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| 492 | } |
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| 493 | |||
| 494 | /** |
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| 495 | * @param int[] $checkIds |
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| 496 | * @return array[] |
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| 497 | */ |
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| 498 | public function getChecks(array $checkIds) { |
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| 533 | } |
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| 534 | |||
| 535 | /** |
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| 536 | * @param string $class |
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| 537 | * @param string $operator |
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| 538 | * @param string $value |
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| 539 | * @return int Check unique ID |
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| 540 | */ |
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| 541 | protected function addCheck($class, $operator, $value) { |
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| 542 | $hash = md5($class . '::' . $operator . '::' . $value); |
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| 543 | |||
| 544 | $query = $this->connection->getQueryBuilder(); |
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| 545 | $query->select('id') |
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| 546 | ->from('flow_checks') |
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| 547 | ->where($query->expr()->eq('hash', $query->createNamedParameter($hash))); |
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| 548 | $result = $query->execute(); |
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| 549 | |||
| 550 | if ($row = $result->fetch()) { |
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| 551 | $result->closeCursor(); |
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| 552 | return (int) $row['id']; |
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| 553 | } |
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| 554 | |||
| 555 | $query = $this->connection->getQueryBuilder(); |
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| 556 | $query->insert('flow_checks') |
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| 557 | ->values([ |
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| 558 | 'class' => $query->createNamedParameter($class), |
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| 559 | 'operator' => $query->createNamedParameter($operator), |
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| 560 | 'value' => $query->createNamedParameter($value), |
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| 561 | 'hash' => $query->createNamedParameter($hash), |
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| 562 | ]); |
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| 563 | $query->execute(); |
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| 564 | |||
| 565 | return $query->getLastInsertId(); |
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| 566 | } |
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| 567 | |||
| 568 | protected function addScope(int $operationId, ScopeContext $scope): void { |
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| 569 | $query = $this->connection->getQueryBuilder(); |
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| 570 | |||
| 571 | $insertQuery = $query->insert('flow_operations_scope'); |
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| 572 | $insertQuery->values([ |
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| 573 | 'operation_id' => $query->createNamedParameter($operationId), |
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| 574 | 'type' => $query->createNamedParameter($scope->getScope()), |
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| 575 | 'value' => $query->createNamedParameter($scope->getScopeId()), |
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| 576 | ]); |
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| 577 | $insertQuery->execute(); |
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| 578 | } |
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| 579 | |||
| 580 | public function formatOperation(array $operation): array { |
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| 596 | } |
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| 597 | |||
| 598 | /** |
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| 599 | * @return IEntity[] |
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| 600 | */ |
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| 601 | public function getEntitiesList(): array { |
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| 602 | $this->eventDispatcher->dispatch(IManager::EVENT_NAME_REG_ENTITY, new GenericEvent($this)); |
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| 603 | |||
| 605 | } |
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| 606 | |||
| 607 | /** |
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| 608 | * @return IOperation[] |
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| 609 | */ |
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| 610 | public function getOperatorList(): array { |
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| 611 | $this->eventDispatcher->dispatch(IManager::EVENT_NAME_REG_OPERATION, new GenericEvent($this)); |
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| 612 | |||
| 613 | return array_merge($this->getBuildInOperators(), $this->registeredOperators); |
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| 614 | } |
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| 615 | |||
| 616 | /** |
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| 617 | * @return ICheck[] |
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| 618 | */ |
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| 619 | public function getCheckList(): array { |
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| 623 | } |
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| 624 | |||
| 625 | public function registerEntity(IEntity $entity): void { |
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| 626 | $this->registeredEntities[get_class($entity)] = $entity; |
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| 627 | } |
||
| 628 | |||
| 629 | public function registerOperation(IOperation $operator): void { |
||
| 631 | } |
||
| 632 | |||
| 633 | public function registerCheck(ICheck $check): void { |
||
| 635 | } |
||
| 636 | |||
| 637 | /** |
||
| 638 | * @return IEntity[] |
||
| 639 | */ |
||
| 640 | protected function getBuildInEntities(): array { |
||
| 641 | try { |
||
| 642 | return [ |
||
| 643 | $this->container->query(File::class), |
||
| 644 | ]; |
||
| 645 | } catch (QueryException $e) { |
||
| 646 | $this->logger->logException($e); |
||
| 647 | return []; |
||
| 648 | } |
||
| 649 | } |
||
| 650 | |||
| 651 | /** |
||
| 652 | * @return IOperation[] |
||
| 653 | */ |
||
| 654 | protected function getBuildInOperators(): array { |
||
| 655 | try { |
||
| 656 | return [ |
||
| 657 | // None yet |
||
| 658 | ]; |
||
| 659 | } catch (QueryException $e) { |
||
| 660 | $this->logger->logException($e); |
||
| 661 | return []; |
||
| 662 | } |
||
| 663 | } |
||
| 664 | |||
| 665 | /** |
||
| 666 | * @return IEntity[] |
||
| 667 | */ |
||
| 668 | protected function getBuildInChecks(): array { |
||
| 684 | } |
||
| 685 | } |
||
| 686 | } |
||
| 687 |