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<?php namespace Cornford\Logical; |
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use Cornford\Logical\Contracts\LogicalInterface; |
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use Cornford\Logical\Exceptions\LogicalDecodingException; |
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use Cornford\Logical\Exceptions\LogicalExecutionException; |
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use Cornford\Logical\Exceptions\LogicalFieldValueException; |
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use Exception; |
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use function GuzzleHttp\Psr7\str; |
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class Logical extends LogicalAbstract implements LogicalInterface |
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{ |
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/** |
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* The temporary logic method. |
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* |
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* @var string |
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*/ |
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protected $tempLogic; |
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/** |
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* The temporary logic method. |
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* |
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* @var string |
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*/ |
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protected $tempMethod; |
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/** |
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* The temporary logic expected. |
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* |
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* @var string|array |
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*/ |
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protected $tempExpected; |
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/** |
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* The temporary logic field. |
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* |
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* @var string |
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*/ |
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protected $tempField; |
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/** |
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* The temporary results. |
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* |
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* @var array |
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*/ |
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protected $tempResults; |
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/** |
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* Decode the logic string into an array of logical statements. |
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* |
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* @return boolean |
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*/ |
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protected function decodeLogicStatements() |
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{ |
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if (!$this->getLogic()) { |
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return true; |
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} |
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$orStatements = preg_split("/.OR./", $this->getLogic()); |
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foreach ($orStatements as $orKey => $orStatement) { |
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$andStatements = preg_split("/.AND./", $orStatement); |
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foreach ($andStatements as $andStatement) { |
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$items = preg_split("/\./", $andStatement, 2); |
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$decodedStatement = []; |
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foreach ($items as $item) { |
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$matches = null; |
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if (stristr($item, 'where')) { |
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if (!preg_match("/\((?<field>.*)\)/", $item, $matches)) { |
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return false; |
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} |
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$this->tempField = trim(trim($matches['field'], '\''), '"'); |
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continue; |
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} |
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if (!preg_match("/^(?<method>[a-zA-Z]{1,})\((?<expected>[\'\"]*.*[\'\"]*)\)/", $item, $matches)) { |
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return false; |
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} else { |
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$this->tempMethod = trim(trim($matches['method'], '\''), '"'); |
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$this->tempExpected = trim(trim($matches['expected'], '\''), '"'); |
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} |
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if (!is_array($this->tempExpected) && |
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strpos($this->tempExpected, '[') !== 0 && |
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strpos($this->tempExpected, ']') !== (strlen($this->tempExpected) - 1) && |
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stristr($this->tempExpected, ',') && |
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!stristr($this->tempExpected, '{') && |
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!stristr($this->tempExpected, '}') |
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) { |
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$this->tempExpected = explode(', ', $this->tempExpected); |
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View Code Duplication |
if (is_array($this->tempExpected)) { |
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foreach ($this->tempExpected as &$expected) { |
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$expected = trim(trim($expected, '\''), '"'); |
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} |
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} |
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} |
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if (!is_array($this->tempExpected) && |
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strpos($this->tempExpected, '[') === 0 && |
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strpos($this->tempExpected, ']') === (strlen($this->tempExpected) - 1) && |
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!stristr($this->tempExpected, '{') && |
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!stristr($this->tempExpected, '}') |
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) { |
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$this->tempExpected = json_decode($this->tempExpected, false); |
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View Code Duplication |
if (is_array($this->tempExpected)) { |
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foreach ($this->tempExpected as &$expected) { |
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$expected = trim(trim($expected, '\''), '"'); |
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} |
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} |
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} |
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if (!is_array($this->tempExpected) && |
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stristr($this->tempExpected, '{') && |
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stristr($this->tempExpected, '}') |
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) { |
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$this->tempExpected = eval(str_replace('{', 'return (', str_replace('}', ');', $this->tempExpected))); |
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} elseif (is_array($this->tempExpected)) { |
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foreach ($this->tempExpected as &$expected) { |
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if (stristr($expected, '{') && stristr($expected, '}')) { |
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$expected = eval(str_replace('{', 'return (', str_replace('}', ');', $expected))); |
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} |
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} |
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} |
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$decodedStatement[$orKey]['method'] = $this->tempMethod; |
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$decodedStatement[$orKey]['expected'] = $this->tempExpected; |
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$decodedStatement[$orKey]['field'] = $this->tempField; |
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} |
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$this->setDecodedLogicStatement($decodedStatement); |
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} |
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} |
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return true; |
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} |
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/** |
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* Execute a logic statement method on an input value against an expected value. |
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* |
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* @param string $method |
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* @param string|integer|boolean $input |
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* @param string|integer|boolean $expected |
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* |
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* @throws LogicalExecutionException |
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* |
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* @return boolean |
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*/ |
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protected function executeLogicStatement($method, $input, $expected = null) |
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{ |
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$logicalStatementInstance = $this->getLogicalStatementInstance(); |
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$result = null; |
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if (method_exists($logicalStatementInstance, $method)) { |
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$result = $logicalStatementInstance->$method($input, $expected); |
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} |
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if ($logicalStatementInstance->customStatementExists($method)) { |
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$result = $logicalStatementInstance->callCustomStatement($method, $input, $expected); |
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} |
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if (is_null($result)) { |
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throw new LogicalExecutionException("Unable to execute logic statement method: {$method}()."); |
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} |
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return $result; |
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} |
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/** |
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* Decodes logic input into statements and executes each statement removing un-matching results. |
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* |
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* @throws LogicalDecodingException |
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* @throws LogicalFieldValueException |
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* @throws LogicalExecutionException |
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* |
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* @return self |
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*/ |
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public function execute() |
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{ |
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if (!$this->decodeLogicStatements()) { |
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throw new LogicalDecodingException('Unable to decode logic input.'); |
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} |
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foreach ($this->getDecodedLogicStatements() as $orStatement) { |
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$this->tempResults = $this->getInput(); |
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foreach ($this->getInput() as $key => $input) { |
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foreach ($orStatement as $andStatement) { |
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switch (gettype($input)) { |
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case 'object': |
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break; |
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case 'array': |
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default: |
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$andStatement['field'] = '[' . $andStatement['field'] . ']'; |
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} |
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try { |
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$value = $this->getPropertyAccessorInstance()->getValue($input, $andStatement['field']); |
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} catch (Exception $exception) { |
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throw new LogicalFieldValueException('Unable to locate logical statement field value.'); |
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} |
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if (!isset($value)) { |
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throw new LogicalFieldValueException('Unable to locate logical statement field value.'); |
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} |
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if (!$this->executeLogicStatement($andStatement['method'], $value, $andStatement['expected'])) { |
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unset($this->tempResults[$key]); |
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} |
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} |
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} |
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$this->mergeResults($this->tempResults); |
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} |
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return $this; |
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} |
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} |
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bradcornford /
Logical
Loading history...
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.