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<?php |
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/** |
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* Joomla! Statistics Server |
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* |
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* @copyright Copyright (C) 2013 - 2017 Open Source Matters, Inc. All rights reserved. |
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* @license http://www.gnu.org/licenses/gpl-2.0.txt GNU General Public License Version 2 or Later |
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*/ |
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namespace Joomla\StatsServer\Models; |
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use Joomla\Database\DatabaseDriver; |
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use Joomla\Database\Query\LimitableInterface; |
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use Joomla\Model\{ |
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DatabaseModelInterface, DatabaseModelTrait |
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}; |
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/** |
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* Statistics database model |
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* |
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* @since 1.0 |
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*/ |
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class StatsModel implements DatabaseModelInterface |
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{ |
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use DatabaseModelTrait; |
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/** |
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* The query batch size |
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* |
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* @var integer |
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* @since 1.0 |
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*/ |
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private $batchSize = 25000; |
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/** |
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* Instantiate the model. |
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* |
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* @param DatabaseDriver $db The database driver. |
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* |
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* @since 1.0 |
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*/ |
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public function __construct(DatabaseDriver $db) |
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{ |
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$this->setDb($db); |
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} |
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/** |
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* Loads the statistics data from the database. |
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* |
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* @param string $column A single column to filter on |
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* |
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* @return \Generator A Generator containing the response data |
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* |
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* @since 1.0 |
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* @throws \InvalidArgumentException |
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*/ |
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public function getItems(string $column = '') : \Generator |
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{ |
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$db = $this->getDb(); |
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// To keep from running out of memory, we need to know how many records are in the database to be able to loop correctly |
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$totalRecords = $db->setQuery( |
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$db->getQuery(true) |
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->select('COUNT(unique_id)') |
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->from('#__jstats') |
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)->loadResult(); |
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// Validate the requested column is actually in the table |
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if ($column !== '') |
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{ |
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$columnList = $db->getTableColumns('#__jstats'); |
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// The column should exist in the table and be part of the API |
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if (!in_array($column, array_keys($columnList)) && !in_array($column, ['unique_id', 'modified'])) |
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{ |
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throw new \InvalidArgumentException('An invalid data source was requested.', 404); |
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} |
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$query = $db->getQuery(true) |
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->select($column); |
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} |
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else |
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{ |
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$query = $db->getQuery(true) |
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->select(['php_version', 'db_type', 'db_version', 'cms_version', 'server_os']); |
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} |
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$query->from('#__jstats') |
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->group('unique_id'); |
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$limitable = $query instanceof LimitableInterface; |
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// We can't have this as a single array, we run out of memory... This is gonna get interesting... |
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for ($offset = 0; $offset < $totalRecords; $offset + $this->batchSize) |
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{ |
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if ($limitable) |
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{ |
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$query->setLimit($this->batchSize, $offset); |
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$db->setQuery($query); |
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} |
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else |
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{ |
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$db->setQuery($query, $offset, $this->batchSize); |
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} |
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yield $db->loadAssocList(); |
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$offset += $this->batchSize; |
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} |
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// Disconnect the DB to free some memory |
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$db->disconnect(); |
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// And unset some variables |
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unset($db, $query, $offset, $totalRecords); |
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} |
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/** |
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* Saves the given data. |
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* |
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* @param \stdClass $data Data object to save. |
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* |
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* @return void |
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* |
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* @since 1.0 |
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*/ |
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public function save(\stdClass $data) |
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{ |
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$db = $this->getDb(); |
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// Set the modified date of the record |
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$data->modified = (new \DateTime('now', new \DateTimeZone('UTC')))->format($db->getDateFormat()); |
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// Check if a row exists for this unique ID and update the existing record if so |
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$recordExists = $db->setQuery( |
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$db->getQuery(true) |
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->select('unique_id') |
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->from('#__jstats') |
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->where('unique_id = :unique_id') |
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->bind('unique_id', $data->unique_id, \PDO::PARAM_STR) |
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)->loadResult(); |
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if ($recordExists) |
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{ |
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$db->updateObject('#__jstats', $data, ['unique_id']); |
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} |
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else |
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{ |
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$db->insertObject('#__jstats', $data, ['unique_id']); |
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} |
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} |
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} |
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joomla /
statistics-server
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: