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<?php |
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/** |
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* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2015 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 all |
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* 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 THE |
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* SOFTWARE. |
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* |
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*/ |
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namespace danielgp\fk_scale_mysql; |
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/** |
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* Description of FKchange |
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* |
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* @author Daniel Popiniuc <[email protected]> |
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*/ |
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class FKchange |
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{ |
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use ConfigurationMySQL, |
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ConfigurationForAction, |
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\danielgp\common_lib\CommonCode, |
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\danielgp\common_lib\MySQLiAdvancedOutput; |
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private $applicationSpecificArray; |
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public function __construct() |
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{ |
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$rqst = new \Symfony\Component\HttpFoundation\Request; |
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echo $this->setApplicationHeader() |
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. $this->buildApplicationInterface(['SuperGlobals' => $rqst->createFromGlobals()]) |
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. $this->setFooterCommon(); |
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} |
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private function buildApplicationInterface($inArray) |
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{ |
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$mysqlConfig = $this->configuredMySqlServer(); |
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$elToModify = $this->targetElementsToModify(['SuperGlobals' => $inArray['SuperGlobals']]); |
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$transmitedParameters = $this->countTransmitedParameters(['db', 'tbl', 'fld', 'dt']); |
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$mConnection = $this->connectToMySql($mysqlConfig); |
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$sReturn = []; |
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$sReturn[] = '<div class="tabber" id="tabberFKscaleMySQL">' |
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. '<div class="tabbertab' . ($transmitedParameters ? '' : ' tabbertabdefault') |
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. '" id="FKscaleMySQLparameters" title="Parameters for scaling">' |
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. $this->buildInputFormForFKscaling($mysqlConfig, ['SuperGlobals' => $inArray['SuperGlobals']]) |
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. '</div><!-- end of Parameters tab -->'; |
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$sReturn[] = $this->buildResultsTab($mConnection, $elToModify, $transmitedParameters); |
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return implode('', $sReturn); |
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} |
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private function buildInputFormForFKscaling($mysqlConfig, $inArray) |
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{ |
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$sReturn = []; |
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$sGb = $inArray['SuperGlobals']; |
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$sReturn[] = $this->buildInputs(['field' => 'db', 'label' => 'Database name to analyze'], $sGb); |
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$sReturn[] = $this->buildInputs(['field' => 'tbl', 'label' => 'Table name to analyze'], $sGb); |
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$sReturn[] = $this->buildInputs(['field' => 'fld', 'label' => 'Field name to analyze'], $sGb); |
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$sReturn[] = $this->buildInputs(['field' => 'data', 'label' => 'Data name to analyze'], $sGb); |
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$sReturn[] = '<input type="submit" value="Generate SQL queries for scaling" />'; |
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$sReturn[] = $this->displayMySqlConfiguration($mysqlConfig); |
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return '<form method="get" action="' . filter_var($sGb->server->get('PHP_SELF'), FILTER_SANITIZE_URL) . '">' |
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. implode('<br/>', $sReturn) |
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. '</form>'; |
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} |
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private function buildInputs($inArray, $sGb) |
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{ |
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return '<label for="' . $inArray['field'] . 'Name">' . $inArray['label'] . ':</label>' |
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. '<input type="text" id="' . $inArray['field'] . 'Name" name="' . $inArray['field'] |
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. '" placeholder="' . explode(' ', $inArray['label'])[0] . ' name" ' |
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. $this->returnInputsCleaned($inArray['field'], $sGb) |
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. 'size="30" maxlength="64" class="labell" />'; |
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} |
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private function buildResultsTab($mConnection, $elToModify, $transmitedParameters) |
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{ |
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$sReturn = []; |
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$targetTableTextFlds = $this->getForeignKeys($elToModify); |
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$sReturn[] = '<div class="tabbertab' . ($transmitedParameters ? ' tabbertabdefault' : '') |
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. '" id="FKscaleMySQLresults" title="Results">'; |
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if (is_array($targetTableTextFlds)) { |
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$sReturn[] = $this->createDropForeignKeysAndGetTargetColumnDefinition($targetTableTextFlds); |
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$mainColArray = $this->packParameteresForMainChangeColumn($elToModify, $targetTableTextFlds); |
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$sReturn[] = $this->createChangeColumn($mainColArray, [ |
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'style' => 'color:blue;font-weight:bold;', |
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'includeOldColumnType' => true, |
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]); |
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$sReturn[] = $this->recreateFKs($elToModify, $targetTableTextFlds); |
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} else { |
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if (strlen($mConnection) === 0) { |
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$sReturn[] = '<p style="color:red;">Check if provided parameters are correct ' |
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. 'as the combination of Database. Table and Column name were not found as a Foreign Key!</p>'; |
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} else { |
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$sReturn[] = '<p style="color:red;">Check your "configurationMySQL.php" file ' |
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. 'for correct MySQL connection parameters ' |
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. 'as the current ones were not able to be used to establish a connection!</p>'; |
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} |
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} |
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$sReturn[] = '</div><!-- end of FKscaleMySQLresults tab -->' |
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. '</div><!-- tabberFKscaleMySQL -->'; |
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return implode('', $sReturn); |
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} |
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private function createChangeColumn($parameters, $aditionalFeatures = null) |
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{ |
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return '<div style="' |
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. (isset($aditionalFeatures['style']) ? $aditionalFeatures['style'] : 'color:blue;') |
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. '">' |
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. 'ALTER TABLE `' . $parameters['Database'] . '`.`' . $parameters['Table'] |
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. '` CHANGE `' . $parameters['Column'] . '` `' . $parameters['Column'] . '` ' |
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. $parameters['NewDataType'] . ' ' |
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. $this->setColumnDefinitionAditional($parameters['IsNullable'], $parameters['Default']) |
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. (strlen($parameters['Extra']) > 0 ? ' AUTO_INCREMENT' : '') |
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. (strlen($parameters['Comment']) > 0 ? ' COMMENT "' . $parameters['Comment'] . '"' : '') |
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. ';' |
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. (isset($aditionalFeatures['includeOldColumnType']) ? ' /* from ' |
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. $parameters['OldDataType'] . ' */' : '') |
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. '</div>'; |
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} |
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private function createDropForeignKey($parameters) |
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{ |
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return '<div style="color:red;">' |
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. 'ALTER TABLE `' . $parameters['Database'] . '`.`' . $parameters['Table'] |
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. '` DROP FOREIGN KEY `' . $parameters['ForeignKeyName'] |
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. '`;' |
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. '</div>'; |
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} |
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private function createDropForeignKeysAndGetTargetColumnDefinition($targetTableTextFlds) |
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{ |
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$sReturn = []; |
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foreach ($targetTableTextFlds as $key => $value) { |
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$sReturn[] = $this->createDropForeignKey([ |
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'Database' => $value['TABLE_SCHEMA'], |
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'Table' => $value['TABLE_NAME'], |
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'ForeignKeyName' => $value['CONSTRAINT_NAME'], |
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]); |
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$this->applicationSpecificArray['Cols'][$key] = $this->getMySQLlistColumns([ |
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'TABLE_SCHEMA' => $value['TABLE_SCHEMA'], |
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'TABLE_NAME' => $value['TABLE_NAME'], |
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'COLUMN_NAME' => $value['COLUMN_NAME'], |
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]); |
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} |
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return implode('', $sReturn); |
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} |
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private function createForeignKey($parameters) |
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{ |
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return '<div style="color:green;">' |
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. 'ALTER TABLE `' . $parameters['Database'] . '`.`' . $parameters['Table'] |
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. '` ADD CONSTRAINT `' . $parameters['ForeignKeyName'] . '` FOREIGN KEY (`' |
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. $parameters['Column'] . '`) REFERENCES `' . $parameters['ReferencedDatabase'] . '`.`' |
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. $parameters['ReferencedTable'] . '` (`' . $parameters['ReferencedColumn'] . '`) ' |
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. 'ON DELETE ' |
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. ($parameters['RuleDelete'] == 'NULL' ? 'SET NULL' : $parameters['RuleDelete']) . ' ' |
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. 'ON UPDATE ' |
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. ($parameters['RuleUpdate'] == 'NULL' ? 'SET NULL' : $parameters['RuleUpdate']) |
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. ';' |
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. '</div>'; |
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} |
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private function displayMySqlConfiguration($mysqlConfig) |
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{ |
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$styleForMySQLparams = 'color:green;font-weight:bold;font-style:italic;'; |
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return '<p>For security reasons the MySQL connection details are not available ' |
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. 'to be set/modified through the interface and must be set directly ' |
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. 'into the "configurationMySQL.php" file. Currently these settings are:<ul>' |
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. '<li>Host name where MySQL server resides: <span style="' . $styleForMySQLparams . '">' |
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. $mysqlConfig['host'] . '</span></li>' |
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. '<li>MySQL port used: <span style="' . $styleForMySQLparams . '">' |
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. $mysqlConfig['port'] . '</span></li>' |
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. '<li>MySQL database to connect to: <span style="' . $styleForMySQLparams . '">' |
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. $mysqlConfig['database'] . '</span></li>' |
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. '<li>MySQL username used: <span style="' . $styleForMySQLparams . '">' |
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. $mysqlConfig['username'] . '</span></li>' |
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. '<li>MySQL password used: <span style="' . $styleForMySQLparams . '">' |
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. 'cannot be disclosed due to security reasons</span></li>' |
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. '</ul></p>'; |
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} |
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private function getForeignKeys($elToModify) |
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{ |
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$additionalFeatures = [ |
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'REFERENCED_TABLE_SCHEMA' => $elToModify['Database'], |
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'REFERENCED_TABLE_NAME' => $elToModify['Table'], |
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'REFERENCED_COLUMN_NAME' => $elToModify['Column'], |
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'REFERENCED_TABLE_NAME' => 'NOT NULL', |
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]; |
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$query = $this->sQueryMySqlIndexes($additionalFeatures); |
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return $this->setMySQLquery2Server($query, 'full_array_key_numbered')['result']; |
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} |
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private function packParameteresForMainChangeColumn($elToModify, $targetTableTextFlds) |
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{ |
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$colToIdentify = [ |
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'TABLE_SCHEMA' => $elToModify['Database'], |
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'TABLE_NAME' => $elToModify['Table'], |
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'COLUMN_NAME' => $elToModify['Column'], |
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]; |
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$col = $this->getMySQLlistColumns($colToIdentify); |
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return [ |
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'Database' => $targetTableTextFlds[0]['REFERENCED_TABLE_SCHEMA'], |
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'Table' => $targetTableTextFlds[0]['REFERENCED_TABLE_NAME'], |
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'Column' => $targetTableTextFlds[0]['REFERENCED_COLUMN_NAME'], |
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'OldDataType' => strtoupper($col[0]['COLUMN_TYPE']) . ' ' |
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. $this->setColumnDefinitionAditional($col[0]['IS_NULLABLE'], $col[0]['COLUMN_DEFAULT'], $col[0]['EXTRA']), |
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'NewDataType' => $elToModify['NewDataType'], |
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'IsNullable' => $col[0]['IS_NULLABLE'], |
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'Default' => $col[0]['COLUMN_DEFAULT'], |
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'Extra' => $col[0]['EXTRA'], |
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'Comment' => $col[0]['COLUMN_COMMENT'], |
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]; |
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} |
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private function recreateFKs($elToModify, $targetTableTextFlds) |
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{ |
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$sReturn = []; |
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foreach ($targetTableTextFlds as $key => $value) { |
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$sReturn[] = $this->createChangeColumn([ |
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'Database' => $value['TABLE_SCHEMA'], |
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'Table' => $value['TABLE_NAME'], |
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'Column' => $value['COLUMN_NAME'], |
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'NewDataType' => $elToModify['NewDataType'], |
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'IsNullable' => $this->applicationSpecificArray['Cols'][$key][0]['IS_NULLABLE'], |
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'Default' => $this->applicationSpecificArray['Cols'][$key][0]['COLUMN_DEFAULT'], |
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'Extra' => $this->applicationSpecificArray['Cols'][$key][0]['EXTRA'], |
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'Comment' => $this->applicationSpecificArray['Cols'][$key][0]['COLUMN_COMMENT'], |
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]); |
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$sReturn[] = $this->createForeignKey([ |
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'Database' => $value['TABLE_SCHEMA'], |
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'Table' => $value['TABLE_NAME'], |
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'Column' => $value['COLUMN_NAME'], |
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'ForeignKeyName' => $value['CONSTRAINT_NAME'], |
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'ReferencedDatabase' => $value['REFERENCED_TABLE_SCHEMA'], |
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'ReferencedTable' => $value['REFERENCED_TABLE_NAME'], |
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'ReferencedColumn' => $value['REFERENCED_COLUMN_NAME'], |
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'RuleDelete' => $value['DELETE_RULE'], |
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'RuleUpdate' => $value['UPDATE_RULE'], |
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]); |
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} |
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return implode('', $sReturn); |
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} |
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private function returnInputsCleaned($inputFieldName, $sGb) |
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{ |
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$sReturn = ''; |
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if (!is_null($sGb->get($inputFieldName))) { |
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$sReturn = 'value="' . filter_var($sGb->get($inputFieldName), FILTER_SANITIZE_STRING) . '" '; |
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} |
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return $sReturn; |
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} |
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private function setApplicationHeader() |
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{ |
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275
|
|
|
$pageTitle = 'Foreign Keys Scale in MySQL'; |
|
276
|
|
|
$headerArray = [ |
|
277
|
|
|
'css' => [ |
|
278
|
|
|
'css/fk_scale_mysql.css', |
|
279
|
|
|
], |
|
280
|
|
|
'javascript' => [ |
|
281
|
|
|
'vendor/danielgp/common-lib/js/tabber/tabber-management.min.js', |
|
282
|
|
|
'vendor/danielgp/common-lib/js/tabber/tabber.min.js', |
|
283
|
|
|
], |
|
284
|
|
|
'lang' => 'en-US', |
|
285
|
|
|
'title' => $pageTitle, |
|
286
|
|
|
]; |
|
287
|
|
|
return $this->setHeaderCommon($headerArray) |
|
288
|
|
|
. '<h1>' . $pageTitle . '</h1>'; |
|
289
|
|
|
} |
|
290
|
|
|
|
|
291
|
|
|
private function setColumnDefinitionAditional($nullableYesNo, $defaultValue = '', $extra = '') |
|
292
|
|
|
{ |
|
293
|
|
|
$columnDefAdtnl = ''; |
|
294
|
|
|
switch ($nullableYesNo) { |
|
295
|
|
|
case 'NO': |
|
296
|
|
|
$columnDefAdtnl = 'NOT NULL DEFAULT "' . $defaultValue . '"'; |
|
297
|
|
|
if (is_null($defaultValue)) { |
|
298
|
|
|
$columnDefAdtnl = 'NOT NULL'; |
|
299
|
|
|
} |
|
300
|
|
|
break; |
|
301
|
|
|
case 'YES': |
|
302
|
|
|
$columnDefAdtnl = 'DEFAULT "' . $defaultValue . '"'; |
|
303
|
|
|
if ($defaultValue === null) { |
|
304
|
|
|
$columnDefAdtnl = 'DEFAULT NULL'; |
|
305
|
|
|
} |
|
306
|
|
|
break; |
|
307
|
|
|
} |
|
308
|
|
|
if ($extra == 'auto_increment') { |
|
309
|
|
|
$columnDefAdtnl .= ' AUTO_INCREMENT'; |
|
310
|
|
|
} |
|
311
|
|
|
return $columnDefAdtnl; |
|
312
|
|
|
} |
|
313
|
|
|
} |
|
314
|
|
|
|
danielgp /
fk-scale-mysql
