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  1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
  6:  */
  7: 
  8: namespace Nette\Bridges\DatabaseTracy;
  9: 
 10: use Nette;
 11: use Nette\Database\Helpers;
 12: use Tracy;
 13: 
 14: 
 15: /**
 16:  * Debug panel for Nette\Database.
 17:  */
 18: class ConnectionPanel implements Tracy\IBarPanel
 19: {
 20:     use Nette\SmartObject;
 21: 
 22:     /** @var int */
 23:     public $maxQueries = 100;
 24: 
 25:     /** @var string */
 26:     public $name;
 27: 
 28:     /** @var bool|string explain queries? */
 29:     public $explain = true;
 30: 
 31:     /** @var bool */
 32:     public $disabled = false;
 33: 
 34:     /** @var int logged time */
 35:     private $totalTime = 0;
 36: 
 37:     /** @var int */
 38:     private $count = 0;
 39: 
 40:     /** @var array */
 41:     private $queries = [];
 42: 
 43: 
 44:     public function __construct(Nette\Database\Connection $connection)
 45:     {
 46:         $connection->onQuery[] = [$this, 'logQuery'];
 47:     }
 48: 
 49: 
 50:     public function logQuery(Nette\Database\Connection $connection, $result)
 51:     {
 52:         if ($this->disabled) {
 53:             return;
 54:         }
 55:         $this->count++;
 56: 
 57:         $source = null;
 58:         $trace = $result instanceof \PDOException ? $result->getTrace() : debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
 59:         foreach ($trace as $row) {
 60:             if (isset($row['file']) && is_file($row['file']) && !Tracy\Debugger::getBluescreen()->isCollapsed($row['file'])) {
 61:                 if ((isset($row['function']) && strpos($row['function'], 'call_user_func') === 0)
 62:                     || (isset($row['class']) && is_subclass_of($row['class'], '\\Nette\\Database\\Connection'))
 63:                 ) {
 64:                     continue;
 65:                 }
 66:                 $source = [$row['file'], (int) $row['line']];
 67:                 break;
 68:             }
 69:         }
 70:         if ($result instanceof Nette\Database\ResultSet) {
 71:             $this->totalTime += $result->getTime();
 72:             if ($this->count < $this->maxQueries) {
 73:                 $this->queries[] = [$connection, $result->getQueryString(), $result->getParameters(), $source, $result->getTime(), $result->getRowCount(), null];
 74:             }
 75: 
 76:         } elseif ($result instanceof \PDOException && $this->count < $this->maxQueries) {
 77:             $this->queries[] = [$connection, $result->queryString, null, $source, null, null, $result->getMessage()];
 78:         }
 79:     }
 80: 
 81: 
 82:     public static function renderException($e)
 83:     {
 84:         if (!$e instanceof \PDOException) {
 85:             return;
 86:         }
 87:         if (isset($e->queryString)) {
 88:             $sql = $e->queryString;
 89: 
 90:         } elseif ($item = Tracy\Helpers::findTrace($e->getTrace(), 'PDO::prepare')) {
 91:             $sql = $item['args'][0];
 92:         }
 93:         return isset($sql) ? [
 94:             'tab' => 'SQL',
 95:             'panel' => Helpers::dumpSql($sql),
 96:         ] : null;
 97:     }
 98: 
 99: 
100:     public function getTab()
101:     {
102:         $name = $this->name;
103:         $count = $this->count;
104:         $totalTime = $this->totalTime;
105:         ob_start(function () {});
106:         require __DIR__ . '/templates/ConnectionPanel.tab.phtml';
107:         return ob_get_clean();
108:     }
109: 
110: 
111:     public function getPanel()
112:     {
113:         $this->disabled = true;
114:         if (!$this->count) {
115:             return;
116:         }
117: 
118:         $name = $this->name;
119:         $count = $this->count;
120:         $totalTime = $this->totalTime;
121:         $queries = [];
122:         foreach ($this->queries as $query) {
123:             list($connection, $sql, $params, $source, $time, $rows, $error) = $query;
124:             $explain = null;
125:             if (!$error && $this->explain && preg_match('#\s*\(?\s*SELECT\s#iA', $sql)) {
126:                 try {
127:                     $cmd = is_string($this->explain) ? $this->explain : 'EXPLAIN';
128:                     $explain = $connection->queryArgs("$cmd $sql", $params)->fetchAll();
129:                 } catch (\PDOException $e) {
130:                 }
131:             }
132:             $query[] = $explain;
133:             $queries[] = $query;
134:         }
135: 
136:         ob_start(function () {});
137:         require __DIR__ . '/templates/ConnectionPanel.panel.phtml';
138:         return ob_get_clean();
139:     }
140: }
141: 
Nette 2.4-20180918 API API documentation generated by ApiGen 2.8.0