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<?php |
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/* |
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* The MIT License |
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* |
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* Copyright 2022 - 2024 Daniel Popiniuc. |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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namespace danielgp\io_operations; |
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trait InputOutputDatabases |
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{ |
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public $strErrorText = null; |
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private $arrayConnectionDetails = []; |
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private $bolDebugText = false; |
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private $objConnection = null; |
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public function establishDatabaseConnectionFlexible(string $strDatabaseType, array $arrayConnectionParameters) |
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{ |
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if (http_response_code() != 200) { |
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return null; |
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} |
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$arrayAuth = [ |
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'U' => '', |
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'P' => '', |
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]; |
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if (array_key_exists('Authentication', $arrayConnectionParameters)) { |
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$arrayAuth = [ |
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'U' => $arrayConnectionParameters['Authentication']['Username'], |
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'P' => $arrayConnectionParameters['Authentication']['Password'], |
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]; |
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} |
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switch ($strDatabaseType) { |
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case 'MySQL': |
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$strDsn = 'mysql:' |
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. implode(';', [ |
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'host=' . $arrayConnectionParameters['Host'], |
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'dbname=' . $arrayConnectionParameters['Database'], |
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'port=' . $arrayConnectionParameters['Port'], |
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'charset=' . $arrayConnectionParameters['Charset'], |
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'collation=' . $arrayConnectionParameters['Collation'], |
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]); |
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$aConnectionOptions = [ |
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\PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION, |
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\PDO::MYSQL_ATTR_FOUND_ROWS => TRUE, |
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]; |
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break; |
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case 'SQLite': |
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$strDsn = 'sqlite:' . $arrayConnectionParameters['FileName']; |
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$aConnectionOptions = [ |
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\PDO::ATTR_EMULATE_PREPARES => false, |
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\PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION, |
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]; |
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break; |
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} |
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$this->arrayConnectionDetails['DatabaseType'] = $strDatabaseType; |
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$this->exposeDebugText('Database connection DSN: ' . $strDsn); |
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if ($arrayAuth['U'] != '') { |
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$this->exposeDebugText('Database connection username: ' . $arrayAuth['U']); |
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} |
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try { |
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$this->objConnection = new \PDO($strDsn, $arrayAuth['U'], $arrayAuth['P'], $aConnectionOptions); |
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$this->exposeDebugText('Database connection established: ' |
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. $this->getResultsAsJson($this->objConnection)); |
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} catch (\RuntimeException $e) { |
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if (!headers_sent()) { |
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http_response_code(403); |
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} |
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$this->strErrorText = vsprintf('Conectarea la [%s] a întâmpinat o eroare' |
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. ', detaliile sunt după cum urmează: %s', [ |
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$strDatabaseType, |
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$e->getMessage(), |
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]); |
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$this->exposeDebugText('Database connection: ' . $this->strErrorText); |
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} |
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} |
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public function exposeDebugText(string $strText) |
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{ |
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if ($this->bolDebugText) { |
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error_log($strText); |
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} |
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} |
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public function getQueryFromFile(array $arrayInputs) |
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{ |
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$this->exposeDebugText('Query file is: ' . $arrayInputs['queryFileName']); |
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$fileContent = $this->getFileEntireContent($arrayInputs['queryFileName']); |
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$strRawQuery = $fileContent; |
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if (is_array($fileContent)) { |
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$strRawQueryAsIs = implode(' ', $fileContent); |
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$this->exposeDebugText('Query as read from file: ' . $strRawQueryAsIs); |
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$arrayToClean = [ |
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str_repeat(' ', 12), |
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str_repeat(' ', 8), |
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str_repeat(' ', 4), |
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str_repeat(' ', 2), |
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]; |
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$strRawQuery = str_replace($arrayToClean, ' ', $strRawQueryAsIs); |
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} |
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$sReturn = $strRawQuery; |
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if (array_key_exists('queryParameterValues', $arrayInputs) && ($arrayInputs['queryParameterValues'] !== [])) { |
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$sReturn = vsprintf($strRawQuery, $arrayInputs['queryParameterValues']); |
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} |
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return $sReturn; |
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} |
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public function getResultsAsJson(array|\PDO $arrayResults) |
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{ |
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$encodingFlags = (JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE); |
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return json_encode($arrayResults, $encodingFlags); |
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} |
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public function getResultsThroughVerification(array $arrayResult) |
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{ |
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$strReturn = $arrayResult; |
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if (is_null($arrayResult)) { |
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if (!headers_sent()) { |
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http_response_code(403); |
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} |
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$this->strErrorText = 'NU există date pe server cu valorile introduse!'; |
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$this->exposeDebugText('No data (NULL): ' . $this->strErrorText); |
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} elseif (is_array($arrayResult)) { |
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if ($arrayResult == []) { |
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if (!headers_sent()) { |
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http_response_code(403); |
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} |
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$this->strErrorText = 'NU există date pe server cu valorile introduse!'; |
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$this->exposeDebugText('Empty results: ' . $this->strErrorText); |
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} |
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} |
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return $strReturn; |
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} |
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public function getResultsUsingQuery(string $strQuery, string $strFetchingType = \PDO::FETCH_ASSOC) |
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{ |
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if (is_null($this->objConnection)) { |
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return null; |
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} |
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$result = []; |
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try { |
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$stmt = $this->objConnection->prepare($strQuery); |
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$this->exposeDebugText('Before Query execution: ' . $strQuery); |
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$stmt->execute(); |
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if (substr($strQuery, 0, 7) === 'INSERT ') { |
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$this->exposeDebugText('INSERT detected'); |
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$intLastInsertId = $this->objConnection->lastInsertId(); |
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$this->exposeDebugText('Last insert ID: ' . $intLastInsertId); |
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switch ($intLastInsertId) { |
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case '0': |
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$intRowsAffected = 0; |
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break; |
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default: |
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$intRowsAffected = $stmt->rowCount(); |
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break; |
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} |
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$result = [ |
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'lastInsertId' => $intLastInsertId, |
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'rowsAffected' => $intRowsAffected, |
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]; |
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$this->exposeDebugText('Rows affected: ' . $this->getResultsAsJson($result)); |
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} elseif ((substr($strQuery, 0, 7) === 'UPDATE ') || (substr($strQuery, 0, 5) === 'CALL ')) { |
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$this->exposeDebugText('UPDATE/CALL detected'); |
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$result = [ |
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'rowsAffected' => $stmt->rowCount(), |
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]; |
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$this->exposeDebugText('Rows affected: ' . $this->getResultsAsJson($result)); |
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} elseif (($stmt->rowCount() == 0) && ($this->arrayConnectionDetails['DatabaseType'] != 'SQLite')) { |
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$this->exposeDebugText('0 RowCount seen'); |
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$result = [ |
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'rowsAffected' => 0, |
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]; |
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$this->exposeDebugText('Rows affected: ' . $this->getResultsAsJson($result)); |
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} else { |
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$result = $stmt->fetchAll($strFetchingType); |
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} |
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$objReturn = $this->getResultsThroughVerification($result); |
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$this->exposeDebugText('Return after verification:' . $this->getResultsAsJson($objReturn)); |
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return $objReturn; |
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} catch (\PDOException $e) { |
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if (!headers_sent()) { |
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http_response_code(403); |
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} |
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$this->strErrorText = vsprintf('Eroare întâlnită, mesajul de la serverul de date este [%s]', [ |
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$e->getMessage(), |
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]); |
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$this->exposeDebugText('After Query execution: ' . $this->strErrorText); |
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} |
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} |
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public function getStoredQuery($objClass, $label, $given_parameters = null) |
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{ |
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$sReturn = call_user_func_array([$objClass, 'setRightQuery'], [$label, $given_parameters]); |
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if ($sReturn === false) { |
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$this->exposeDebug('<b>' . $label . '</b> was not defined!'); |
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} |
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return $sReturn; |
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} |
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219
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public function setBatchDataIntoDatabase(string $strQuery, array $arrayDataToWrite, string $strWhich) |
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{ |
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if (is_null($this->objConnection)) { |
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return null; |
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} |
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$arrayParameterValues = []; |
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try { |
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$stmt = $this->objConnection->prepare($strQuery); |
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$intRowsAffected = 0; |
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foreach ($arrayDataToWrite as $intLine => $arrayValues) { |
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$arrayParameterValues = []; |
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foreach ($arrayValues as $strFieldName => $strValue) { |
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$strFieldName = ':' . str_replace(' ', '_', $strFieldName); |
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if ($strValue == 'NULL') { |
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$strValue = null; |
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} |
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$stmt->bindValue($strFieldName, $strValue); |
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$arrayParameterValues[$strFieldName] = chr(39) . $strValue . chr(39); |
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} |
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$stmt->execute(); |
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$intRowsAffected += $stmt->rowCount(); |
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} |
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$this->exposeDebugText('Number of rows affected: ' . $intRowsAffected); |
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$stmt->closeCursor(); |
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} catch (\PDOException $e) { |
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if ($e->getCode() == 23000) { |
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$this->exposeDebugText('Unique constraint case: ' . $e->getMessage()); |
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} else { |
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if (!headers_sent()) { |
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http_response_code(403); |
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} |
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$this->strErrorText = vsprintf('Error %s encoutered, message is [%s]', [ |
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$e->getCode(), |
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$e->getMessage(), |
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]); |
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$this->exposeDebugText('After Query execution: ' . $this->strErrorText); |
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error_log('Parametrized query: ' . $strQuery); |
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error_log('After Query execution: ' . $this->strErrorText); |
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257
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error_log('Attempted parameters: ' . json_encode($arrayParameterValues)); |
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error_log('Attempted query: ' . str_replace(array_keys($arrayParameterValues), array_values($arrayParameterValues), $strQuery)); |
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} |
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260
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} |
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261
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} |
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} |
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danielgp /
io-operations
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