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<?php |
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namespace API\Helpers; |
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use MazenTouati\Simple2wayConfig\S2WConfigException; |
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class DataManager |
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{ |
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// the query to run |
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public $query = ''; |
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public $queryResult = null; |
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//data to return in case of error |
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private $error = []; |
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public $db = null; |
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public $config = null; |
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public $paginator = null; |
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private $paginatorConfig = [ |
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'item_per_page' => 25, |
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'current_page' => 1, |
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]; |
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private $customMessage = false; |
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// query type: fetching, inserting or altering (update, delete) |
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private $type = ''; |
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const TYPE_FETCHING = 'fetching'; |
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const TYPE_INSERTING = 'inserting'; |
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const TYPE_ALTERING = 'altering'; |
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const TYPE_OTHER = 'other'; |
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public function __construct($query, $container, $currentPage = 1) |
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{ |
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$this->query = $query; |
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$this->db = $container->db; |
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$this->config = $container->config; |
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$this->paginatorConfig['current_page'] = $currentPage; |
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$this->determineQueryType(); |
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$this->runQuery(); |
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} |
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private function determineQueryType() |
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{ |
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if (starts_with($this->query, 'select ')) { |
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$this->type = self::TYPE_FETCHING; |
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} elseif (starts_with($this->query, 'insert ')) { |
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$this->type = self::TYPE_INSERTING; |
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} elseif (starts_with($this->query, 'update ') || starts_with($this->query, 'delete ')) { |
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$this->type = self::TYPE_ALTERING; |
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} else { |
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$this->type = self::TYPE_OTHER; |
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} |
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} |
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public function isError() |
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{ |
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return !empty($this->error); |
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} |
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public function getErrorData() |
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{ |
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return $this->error; |
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} |
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public function isFetching() |
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{ |
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return $this->type === self::TYPE_FETCHING; |
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} |
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public function isInserting() |
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{ |
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return $this->type === self::TYPE_INSERTING; |
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} |
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public function isAltering() |
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{ |
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return $this->type === self::TYPE_ALTERING; |
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} |
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public function isOther() |
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{ |
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return $this->type === self::TYPE_OTHER; |
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} |
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public function getCustomMessage() |
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{ |
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return $this->customMessage; |
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} |
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private function runQuery() |
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{ |
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try { |
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if ($this->isFetching()) { |
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$this->paginator = new Paginator($this->query, $this->paginatorConfig, $this->db); |
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} else { |
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if ($this->runSpecialQueries() === false) { |
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$this->queryResult = $this->db->query($this->query); |
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} |
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} |
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} catch (\PDOException $e) { |
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// this entry is used by the front-end part, because we return a 200 status code even when there's a syntax error or logical error in the query. |
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$this->error['error'] = true; |
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$this->error['message'] = $e->getMessage(); |
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} |
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} |
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private function runSpecialQueries() |
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{ |
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if (starts_with($this->query, 'use')) { |
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$database = str_replace('use ', '', $this->query); |
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//run query against database to make sure the database name is valid |
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if ($this->db->query($this->query) !== false) { |
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$this->config->set('database.drivers.mysql.database', $database); |
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try { |
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$this->config->sync('database'); |
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} catch (S2WConfigException $e) { |
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$this->customMessage = $e->getMessage(); |
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return false; |
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} |
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$this->customMessage = '`'.$database.'` is your new database now.'; |
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return true; |
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} |
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} |
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return false; |
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} |
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} |
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mazentouati /
snacks-console
Loading history...
This check looks for assignments to scalar types that may be of the wrong type.
To ensure the code behaves as expected, it may be a good idea to add an explicit type cast.