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<?php |
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namespace Stats\Models; |
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use Joomla\Database\Query\LimitableInterface; |
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use Joomla\Model\AbstractDatabaseModel; |
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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 extends AbstractDatabaseModel |
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{ |
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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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* Loads the statistics data from the database. |
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* |
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* @param string $column A single column to filter on |
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* |
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* @return \Generator A Generator containing the response data |
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* |
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* @since 1.0 |
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* @throws \InvalidArgumentException |
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*/ |
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public function getItems($column = null) |
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{ |
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$db = $this->getDb(); |
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// Validate the requested column is actually in the table |
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if ($column !== null) |
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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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$db->setQuery( |
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$db->getQuery(true) |
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->select($column) |
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->from('#__jstats') |
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->group('unique_id') |
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); |
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yield $db->loadAssocList(); |
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} |
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else |
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{ |
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// If fetching all data from the table, we need to break this down a fair bit otherwise we're going to run out of memory |
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$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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$return = []; |
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$query = $db->getQuery(true) |
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->select(['php_version', 'db_type', 'db_version', 'cms_version', 'server_os']) |
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->from('#__jstats') |
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->group('unique_id'); |
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$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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/** |
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* Saves the given data. |
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* |
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* @param \stdClass $data Data object to save. |
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* |
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* @return void |
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* |
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* @since 1.0 |
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*/ |
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public function save($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 = ' . $db->quote($data->unique_id)) |
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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
Loading history...
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.