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<?php |
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namespace RouterOS; |
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use RouterOS\Exceptions\ClientException; |
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use RouterOS\Exceptions\QueryException; |
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use RouterOS\Interfaces\QueryInterface; |
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/** |
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* Class Query for building queries |
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* |
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* @package RouterOS |
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* @since 0.1 |
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*/ |
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class Query implements QueryInterface |
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{ |
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/** |
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* Array of query attributes |
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* |
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* @var array |
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*/ |
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private $_attributes = []; |
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/** |
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* Some additional operations |
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* |
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* @var string |
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*/ |
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private $_operations; |
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/** |
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* Tag of query |
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* |
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* @var string |
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*/ |
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private $_tag; |
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/** |
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* Endpoint of query |
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* |
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* @var string |
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*/ |
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private $_endpoint; |
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/** |
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* List of available operators for "->where()" method |
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*/ |
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public const AVAILABLE_OPERATORS = [ |
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'-', // Does not have |
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'=', // Equal |
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'>', // More than |
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'<' // Less than |
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]; |
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/** |
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* Query constructor. |
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* |
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* @param array|string $endpoint Path of endpoint |
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* @param array $attributes List of attributes which should be set |
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* |
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* @throws \RouterOS\Exceptions\QueryException |
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*/ |
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public function __construct($endpoint, array $attributes = []) |
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{ |
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if (\is_string($endpoint)) { |
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$this->setEndpoint($endpoint); |
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$this->setAttributes($attributes); |
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} elseif (\is_array($endpoint)) { |
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$query = array_shift($endpoint); |
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$this->setEndpoint($query); |
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$this->setAttributes($endpoint); |
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} else { |
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throw new QueryException('Specified endpoint is incorrect'); |
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} |
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} |
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/** |
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* Where logic of query |
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* |
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* @param string $key Key which need to find |
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* @param bool|string|int $value Value which need to check (by default true) |
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* @param bool|string|int $operator It may be one from list [-,=,>,<] |
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* |
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* @return \RouterOS\Query |
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* @throws \RouterOS\Exceptions\QueryException |
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* @since 1.0.0 |
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*/ |
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public function where(string $key, $operator = null, $value = null): self |
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{ |
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return $this->world('?' . $key, $operator, $value); |
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} |
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/** |
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* Setter for write/update queries |
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* |
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* @param string $key Key which need to find |
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* @param bool|string|int $value Value which need to check (by default true) |
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* |
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* @return \RouterOS\Query |
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* @throws \RouterOS\Exceptions\QueryException |
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* @since 1.1 |
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*/ |
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public function equal(string $key, $value = null): self |
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{ |
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return $this->world('=' . $key, null, $value); |
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} |
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/** |
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* Write world to RouterOS (the work is mine) |
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* |
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* @param string $key Key which need to find |
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* @param bool|string|int $value Value which need to check (by default true) |
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* @param bool|string|int $operator It may be one from list [-,=,>,<] |
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* |
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* @return \RouterOS\Query |
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* @throws \RouterOS\Exceptions\QueryException |
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*/ |
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private function world(string $key, $operator = null, $value = null): self |
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{ |
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if (null !== $operator && null === $value) { |
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// Client may set only two parameters, that mean what $operator is $value |
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$value = $operator; |
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// And operator should be "=" |
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$operator = null; |
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} |
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if (null !== $operator && null !== $value) { |
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// If operator is available in list |
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if (\in_array($operator, self::AVAILABLE_OPERATORS, true)) { |
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$key = $operator . $key; |
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} else { |
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throw new QueryException('Operator "' . $operator . '" in not in allowed list [' . implode(',', self::AVAILABLE_OPERATORS) . ']'); |
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} |
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} |
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if (null !== $value) { |
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$value = '=' . $value; |
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} |
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$this->add($key . $value); |
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return $this; |
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} |
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/** |
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* Append additional operations |
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* |
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* @param string $operations |
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* |
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* @return \RouterOS\Query |
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* @since 1.0.0 |
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*/ |
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public function operations(string $operations): self |
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{ |
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$this->_operations = '?#' . $operations; |
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return $this; |
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} |
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/** |
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* Append tag to query (it should be at end) |
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* |
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* @param string $name |
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* |
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* @return \RouterOS\Query |
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* @since 1.0.0 |
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*/ |
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public function tag(string $name): self |
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{ |
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$this->_tag = '.tag=' . $name; |
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return $this; |
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} |
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/** |
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* Append to array yet another attribute of query |
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* |
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* @param string $word |
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* |
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* @return \RouterOS\Query |
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*/ |
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public function add(string $word): Query |
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{ |
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$this->_attributes[] = $word; |
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return $this; |
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} |
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/** |
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* Get attributes array of current query |
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* |
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* @return array |
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*/ |
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public function getAttributes(): array |
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{ |
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return $this->_attributes; |
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} |
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/** |
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* Set array of attributes |
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* |
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* @param array $attributes |
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* |
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* @return \RouterOS\Query |
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* @since 0.7 |
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*/ |
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public function setAttributes(array $attributes): Query |
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{ |
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$this->_attributes = $attributes; |
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return $this; |
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} |
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/** |
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* Get endpoint of current query |
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* @return string|null |
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*/ |
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public function getEndpoint() |
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{ |
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return $this->_endpoint; |
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} |
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/** |
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* Set endpoint of query |
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* |
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* @param string|null $endpoint |
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* |
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* @return \RouterOS\Query |
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* @since 0.7 |
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*/ |
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public function setEndpoint(string $endpoint = null): Query |
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{ |
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$this->_endpoint = $endpoint; |
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return $this; |
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} |
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/** |
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* Build body of query |
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* |
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* @return array |
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* @throws \RouterOS\Exceptions\QueryException |
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*/ |
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public function getQuery(): array |
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{ |
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if ($this->_endpoint === null) { |
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throw new QueryException('Endpoint of query is not set'); |
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} |
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// Get all attributes and prepend endpoint to this list |
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$attributes = $this->getAttributes(); |
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array_unshift($attributes, $this->_endpoint); |
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// If operations is set then add to query |
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if (is_string($this->_operations) && !empty($this->_operations)) { |
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$attributes[] = $this->_operations; |
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} |
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// If tag is set then added to query |
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if (is_string($this->_tag) && !empty($this->_tag)) { |
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$attributes[] = $this->_tag; |
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} |
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return $attributes; |
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} |
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} |
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