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744
msd2/tracking/piwik/core/DataTable/Row.php
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744
msd2/tracking/piwik/core/DataTable/Row.php
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<?php
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/**
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* Piwik - free/libre analytics platform
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*
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* @link http://piwik.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
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*
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*/
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namespace Piwik\DataTable;
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use Exception;
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use Piwik\DataTable;
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use Piwik\Log;
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use Piwik\Metrics;
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/**
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* This is what a {@link Piwik\DataTable} is composed of.
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*
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* DataTable rows contain columns, metadata and a subtable ID. Columns and metadata
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* are stored as an array of name => value mappings.
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*
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* @api
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*/
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class Row extends \ArrayObject
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{
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/**
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* List of columns that cannot be summed. An associative array for speed.
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*
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* @var array
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*/
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private static $unsummableColumns = array(
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'label' => true,
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'full_url' => true // column used w/ old Piwik versions,
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);
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// @see sumRow - implementation detail
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public $maxVisitsSummed = 0;
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private $metadata = array();
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private $isSubtableLoaded = false;
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/**
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* @internal
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*/
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public $subtableId = null;
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const COLUMNS = 0;
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const METADATA = 1;
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const DATATABLE_ASSOCIATED = 3;
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/**
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* Constructor.
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*
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* @param array $row An array with the following structure:
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*
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* array(
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* Row::COLUMNS => array('label' => 'Matomo',
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* 'column1' => 42,
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* 'visits' => 657,
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* 'time_spent' => 155744),
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* Row::METADATA => array('logo' => 'test.png'),
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* Row::DATATABLE_ASSOCIATED => $subtable // DataTable object
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* // (but in the row only the ID will be stored)
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* )
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*/
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public function __construct($row = array())
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{
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if (isset($row[self::COLUMNS])) {
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$this->exchangeArray($row[self::COLUMNS]);
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}
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if (isset($row[self::METADATA])) {
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$this->metadata = $row[self::METADATA];
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}
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if (isset($row[self::DATATABLE_ASSOCIATED])) {
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if ($row[self::DATATABLE_ASSOCIATED] instanceof DataTable) {
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$this->setSubtable($row[self::DATATABLE_ASSOCIATED]);
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} else {
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$this->subtableId = $row[self::DATATABLE_ASSOCIATED];
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}
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}
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}
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/**
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* Used when archiving to serialize the Row's properties.
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* @return array
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* @ignore
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*/
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public function export()
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{
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return array(
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self::COLUMNS => $this->getArrayCopy(),
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self::METADATA => $this->metadata,
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self::DATATABLE_ASSOCIATED => $this->subtableId,
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);
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}
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/**
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* When destroyed, a row destroys its associated subtable if there is one.
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* @ignore
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*/
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public function __destruct()
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{
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if ($this->isSubtableLoaded) {
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Manager::getInstance()->deleteTable($this->subtableId);
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$this->subtableId = null;
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$this->isSubtableLoaded = false;
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}
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}
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/**
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* Applies a basic rendering to the Row and returns the output.
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*
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* @return string describing the row. Example:
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* "- 1 ['label' => 'piwik', 'nb_uniq_visitors' => 1685, 'nb_visits' => 1861] [] [idsubtable = 1375]"
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*/
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public function __toString()
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{
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$columns = array();
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foreach ($this->getColumns() as $column => $value) {
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if (is_string($value)) {
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$value = "'$value'";
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} elseif (is_array($value)) {
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$value = var_export($value, true);
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}
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$columns[] = "'$column' => $value";
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}
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$columns = implode(", ", $columns);
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$metadata = array();
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foreach ($this->getMetadata() as $name => $value) {
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if (is_string($value)) {
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$value = "'$value'";
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} elseif (is_array($value)) {
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$value = var_export($value, true);
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}
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$metadata[] = "'$name' => $value";
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}
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$metadata = implode(", ", $metadata);
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$output = "# [" . $columns . "] [" . $metadata . "] [idsubtable = " . $this->getIdSubDataTable() . "]<br />\n";
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return $output;
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}
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/**
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* Deletes the given column.
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*
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* @param string $name The column name.
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* @return bool `true` on success, `false` if the column does not exist.
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*/
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public function deleteColumn($name)
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{
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if (!$this->offsetExists($name)) {
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return false;
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}
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unset($this[$name]);
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return true;
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}
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/**
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* Renames a column.
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*
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* @param string $oldName The current name of the column.
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* @param string $newName The new name of the column.
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*/
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public function renameColumn($oldName, $newName)
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{
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if (isset($this[$oldName])) {
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$this[$newName] = $this[$oldName];
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}
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// outside the if () since we want to delete nulled columns
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if ($this->offsetExists($oldName)) {
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unset($this[$oldName]);
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}
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}
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/**
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* Returns a column by name.
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*
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* @param string $name The column name.
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* @return mixed|false The column value or false if it doesn't exist.
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*/
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public function getColumn($name)
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{
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if (!isset($this[$name])) {
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return false;
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}
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return $this[$name];
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}
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/**
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* Returns the array of all metadata, or one requested metadata value.
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*
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* @param string|null $name The name of the metadata to return or null to return all metadata.
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* @return mixed
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*/
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public function getMetadata($name = null)
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{
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if (is_null($name)) {
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return $this->metadata;
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}
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if (!isset($this->metadata[$name])) {
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return false;
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}
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return $this->metadata[$name];
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}
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/**
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* Returns true if a column having the given name is already registered. The value will not be evaluated, it will
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* just check whether a column exists independent of its value.
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*
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* @param string $name
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* @return bool
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*/
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public function hasColumn($name)
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{
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return $this->offsetExists($name);
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}
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/**
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* Returns the array containing all the columns.
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*
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* @return array Example:
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*
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* array(
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* 'column1' => VALUE,
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* 'label' => 'www.php.net'
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* 'nb_visits' => 15894,
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* )
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*/
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public function getColumns()
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{
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return $this->getArrayCopy();
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}
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/**
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* Returns the ID of the subDataTable.
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* If there is no such a table, returns null.
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*
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* @return int|null
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*/
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public function getIdSubDataTable()
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{
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return $this->subtableId;
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}
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/**
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* Returns the associated subtable, if one exists. Returns `false` if none exists.
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*
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* @return DataTable|bool
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*/
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public function getSubtable()
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{
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if ($this->isSubtableLoaded) {
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try {
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return Manager::getInstance()->getTable($this->subtableId);
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} catch (TableNotFoundException $e) {
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// edge case
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}
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}
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return false;
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}
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/**
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* @param int $subtableId
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* @ignore
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*/
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public function setNonLoadedSubtableId($subtableId)
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{
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$this->subtableId = $subtableId;
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$this->isSubtableLoaded = false;
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}
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/**
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* Sums a DataTable to this row's subtable. If this row has no subtable a new
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* one is created.
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*
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* See {@link Piwik\DataTable::addDataTable()} to learn how DataTables are summed.
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*
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* @param DataTable $subTable Table to sum to this row's subtable.
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*/
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public function sumSubtable(DataTable $subTable)
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{
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if ($this->isSubtableLoaded) {
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$thisSubTable = $this->getSubtable();
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} else {
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$this->warnIfSubtableAlreadyExists();
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$thisSubTable = new DataTable();
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$this->setSubtable($thisSubTable);
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}
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$columnOps = $subTable->getMetadata(DataTable::COLUMN_AGGREGATION_OPS_METADATA_NAME);
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$thisSubTable->setMetadata(DataTable::COLUMN_AGGREGATION_OPS_METADATA_NAME, $columnOps);
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$thisSubTable->addDataTable($subTable);
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}
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/**
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* Attaches a subtable to this row, overwriting the existing subtable,
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* if any.
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*
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* @param DataTable $subTable DataTable to associate to this row.
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* @return DataTable Returns `$subTable`.
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*/
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public function setSubtable(DataTable $subTable)
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{
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$this->subtableId = $subTable->getId();
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$this->isSubtableLoaded = true;
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return $subTable;
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}
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/**
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* Returns `true` if the subtable is currently loaded in memory via {@link Piwik\DataTable\Manager}.
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*
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* @return bool
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*/
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public function isSubtableLoaded()
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{
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// self::DATATABLE_ASSOCIATED are set as negative values,
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// as a flag to signify that the subtable is loaded in memory
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return $this->isSubtableLoaded;
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}
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/**
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* Removes the subtable reference.
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*/
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public function removeSubtable()
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{
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$this->subtableId = null;
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$this->isSubtableLoaded = false;
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}
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/**
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* Set all the columns at once. Overwrites **all** previously set columns.
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*
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||||
* @param array $columns eg, `array('label' => 'www.php.net', 'nb_visits' => 15894)`
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*/
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||||
public function setColumns($columns)
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||||
{
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||||
$this->exchangeArray($columns);
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||||
}
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||||
|
||||
/**
|
||||
* Set the value `$value` to the column called `$name`.
|
||||
*
|
||||
* @param string $name name of the column to set.
|
||||
* @param mixed $value value of the column to set.
|
||||
*/
|
||||
public function setColumn($name, $value)
|
||||
{
|
||||
$this[$name] = $value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set the value `$value` to the metadata called `$name`.
|
||||
*
|
||||
* @param string $name name of the metadata to set.
|
||||
* @param mixed $value value of the metadata to set.
|
||||
*/
|
||||
public function setMetadata($name, $value)
|
||||
{
|
||||
$this->metadata[$name] = $value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Deletes one metadata value or all metadata values.
|
||||
*
|
||||
* @param bool|string $name Metadata name (omit to delete entire metadata).
|
||||
* @return bool `true` on success, `false` if the column didn't exist
|
||||
*/
|
||||
public function deleteMetadata($name = false)
|
||||
{
|
||||
if ($name === false) {
|
||||
$this->metadata = array();
|
||||
return true;
|
||||
}
|
||||
if (!isset($this->metadata[$name])) {
|
||||
return false;
|
||||
}
|
||||
unset($this->metadata[$name]);
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a new column to the row. If the column already exists, throws an exception.
|
||||
*
|
||||
* @param string $name name of the column to add.
|
||||
* @param mixed $value value of the column to set or a PHP callable.
|
||||
* @throws Exception if the column already exists.
|
||||
*/
|
||||
public function addColumn($name, $value)
|
||||
{
|
||||
if (isset($this[$name])) {
|
||||
throw new Exception("Column $name already in the array!");
|
||||
}
|
||||
$this->setColumn($name, $value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Add many columns to this row.
|
||||
*
|
||||
* @param array $columns Name/Value pairs, e.g., `array('name' => $value , ...)`
|
||||
* @throws Exception if any column name does not exist.
|
||||
* @return void
|
||||
*/
|
||||
public function addColumns($columns)
|
||||
{
|
||||
foreach ($columns as $name => $value) {
|
||||
try {
|
||||
$this->addColumn($name, $value);
|
||||
} catch (Exception $e) {
|
||||
}
|
||||
}
|
||||
|
||||
if (!empty($e)) {
|
||||
throw $e;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a new metadata to the row. If the metadata already exists, throws an exception.
|
||||
*
|
||||
* @param string $name name of the metadata to add.
|
||||
* @param mixed $value value of the metadata to set.
|
||||
* @throws Exception if the metadata already exists.
|
||||
*/
|
||||
public function addMetadata($name, $value)
|
||||
{
|
||||
if (isset($this->metadata[$name])) {
|
||||
throw new Exception("Metadata $name already in the array!");
|
||||
}
|
||||
$this->setMetadata($name, $value);
|
||||
}
|
||||
|
||||
private function isSummableColumn($columnName)
|
||||
{
|
||||
return empty(self::$unsummableColumns[$columnName]);
|
||||
}
|
||||
|
||||
/**
|
||||
* Sums the given `$rowToSum` columns values to the existing row column values.
|
||||
* Only the int or float values will be summed. Label columns will be ignored
|
||||
* even if they have a numeric value.
|
||||
*
|
||||
* Columns in `$rowToSum` that don't exist in `$this` are added to `$this`.
|
||||
*
|
||||
* @param \Piwik\DataTable\Row $rowToSum The row to sum to this row.
|
||||
* @param bool $enableCopyMetadata Whether metadata should be copied or not.
|
||||
* @param array|bool $aggregationOperations for columns that should not be summed, determine which
|
||||
* aggregation should be used (min, max). format:
|
||||
* `array('column name' => 'function name')`
|
||||
* @throws Exception
|
||||
*/
|
||||
public function sumRow(Row $rowToSum, $enableCopyMetadata = true, $aggregationOperations = false)
|
||||
{
|
||||
foreach ($rowToSum as $columnToSumName => $columnToSumValue) {
|
||||
if (!$this->isSummableColumn($columnToSumName)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
$thisColumnValue = $this->getColumn($columnToSumName);
|
||||
|
||||
$operation = 'sum';
|
||||
if (is_array($aggregationOperations) && isset($aggregationOperations[$columnToSumName])) {
|
||||
if (is_string($aggregationOperations[$columnToSumName])) {
|
||||
$operation = strtolower($aggregationOperations[$columnToSumName]);
|
||||
} elseif (is_callable($aggregationOperations[$columnToSumName])) {
|
||||
$operation = $aggregationOperations[$columnToSumName];
|
||||
}
|
||||
}
|
||||
|
||||
// max_actions is a core metric that is generated in ArchiveProcess_Day. Therefore, it can be
|
||||
// present in any data table and is not part of the $aggregationOperations mechanism.
|
||||
if ($columnToSumName == Metrics::INDEX_MAX_ACTIONS) {
|
||||
$operation = 'max';
|
||||
}
|
||||
if (empty($operation)) {
|
||||
throw new Exception("Unknown aggregation operation for column $columnToSumName.");
|
||||
}
|
||||
|
||||
$newValue = $this->getColumnValuesMerged($operation, $thisColumnValue, $columnToSumValue, $this, $rowToSum, $columnToSumName);
|
||||
|
||||
$this->setColumn($columnToSumName, $newValue);
|
||||
}
|
||||
|
||||
if ($enableCopyMetadata) {
|
||||
$this->sumRowMetadata($rowToSum, $aggregationOperations);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
*/
|
||||
private function getColumnValuesMerged($operation, $thisColumnValue, $columnToSumValue, $thisRow, $rowToSum, $columnName = null)
|
||||
{
|
||||
switch ($operation) {
|
||||
case 'skip':
|
||||
$newValue = null;
|
||||
break;
|
||||
case 'max':
|
||||
$newValue = max($thisColumnValue, $columnToSumValue);
|
||||
break;
|
||||
case 'min':
|
||||
if (!$thisColumnValue) {
|
||||
$newValue = $columnToSumValue;
|
||||
} elseif (!$columnToSumValue) {
|
||||
$newValue = $thisColumnValue;
|
||||
} else {
|
||||
$newValue = min($thisColumnValue, $columnToSumValue);
|
||||
}
|
||||
break;
|
||||
case 'sum':
|
||||
$newValue = $this->sumRowArray($thisColumnValue, $columnToSumValue, $columnName);
|
||||
break;
|
||||
case 'uniquearraymerge':
|
||||
if (is_array($thisColumnValue) && is_array($columnToSumValue)) {
|
||||
foreach ($columnToSumValue as $columnSum) {
|
||||
if (!in_array($columnSum, $thisColumnValue)) {
|
||||
$thisColumnValue[] = $columnSum;
|
||||
}
|
||||
}
|
||||
} elseif (!is_array($thisColumnValue) && is_array($columnToSumValue)) {
|
||||
$thisColumnValue = $columnToSumValue;
|
||||
}
|
||||
|
||||
$newValue = $thisColumnValue;
|
||||
break;
|
||||
default:
|
||||
if (is_callable($operation)) {
|
||||
return call_user_func($operation, $thisColumnValue, $columnToSumValue, $thisRow, $rowToSum);
|
||||
}
|
||||
|
||||
throw new Exception("Unknown operation '$operation'.");
|
||||
}
|
||||
return $newValue;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sums the metadata in `$rowToSum` with the metadata in `$this` row.
|
||||
*
|
||||
* @param Row $rowToSum
|
||||
* @param array $aggregationOperations
|
||||
*/
|
||||
public function sumRowMetadata($rowToSum, $aggregationOperations = array())
|
||||
{
|
||||
if (!empty($rowToSum->metadata)
|
||||
&& !$this->isSummaryRow()
|
||||
) {
|
||||
$aggregatedMetadata = array();
|
||||
|
||||
if (is_array($aggregationOperations)) {
|
||||
// we need to aggregate value before value is overwritten by maybe another row
|
||||
foreach ($aggregationOperations as $column => $operation) {
|
||||
$thisMetadata = $this->getMetadata($column);
|
||||
$sumMetadata = $rowToSum->getMetadata($column);
|
||||
|
||||
if ($thisMetadata === false && $sumMetadata === false) {
|
||||
continue;
|
||||
}
|
||||
|
||||
$aggregatedMetadata[$column] = $this->getColumnValuesMerged($operation, $thisMetadata, $sumMetadata, $this, $rowToSum, $column);
|
||||
}
|
||||
}
|
||||
|
||||
// We shall update metadata, and keep the metadata with the _most visits or pageviews_, rather than first or last seen
|
||||
$visits = max($rowToSum->getColumn(Metrics::INDEX_PAGE_NB_HITS) || $rowToSum->getColumn(Metrics::INDEX_NB_VISITS),
|
||||
// Old format pre-1.2, @see also method doSumVisitsMetrics()
|
||||
$rowToSum->getColumn('nb_actions') || $rowToSum->getColumn('nb_visits'));
|
||||
if (($visits && $visits > $this->maxVisitsSummed)
|
||||
|| empty($this->metadata)
|
||||
) {
|
||||
$this->maxVisitsSummed = $visits;
|
||||
$this->metadata = $rowToSum->metadata;
|
||||
}
|
||||
|
||||
foreach ($aggregatedMetadata as $column => $value) {
|
||||
// we need to make sure aggregated value is used, and not metadata from $rowToSum
|
||||
$this->setMetadata($column, $value);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns `true` if this row is the summary row, `false` if otherwise. This function
|
||||
* depends on the label of the row, and so, is not 100% accurate.
|
||||
*
|
||||
* @return bool
|
||||
*/
|
||||
public function isSummaryRow()
|
||||
{
|
||||
return $this->getColumn('label') === DataTable::LABEL_SUMMARY_ROW;
|
||||
}
|
||||
|
||||
/**
|
||||
* Helper function: sums 2 values
|
||||
*
|
||||
* @param number|bool $thisColumnValue
|
||||
* @param number|array $columnToSumValue
|
||||
* @param string|null $columnName for error reporting.
|
||||
*
|
||||
* @throws Exception
|
||||
* @return array|int
|
||||
*/
|
||||
protected function sumRowArray($thisColumnValue, $columnToSumValue, $columnName = null)
|
||||
{
|
||||
if (is_numeric($columnToSumValue)) {
|
||||
if ($thisColumnValue === false) {
|
||||
$thisColumnValue = 0;
|
||||
} else if (!is_numeric($thisColumnValue)) {
|
||||
$label = $this->getColumn('label');
|
||||
throw new \Exception(sprintf('Trying to sum unsupported operands for column %s in row with label = %s: %s + %s',
|
||||
$columnName, $label, gettype($thisColumnValue), gettype($columnToSumValue)));
|
||||
}
|
||||
|
||||
return $thisColumnValue + $columnToSumValue;
|
||||
}
|
||||
|
||||
if ($columnToSumValue === false) {
|
||||
return $thisColumnValue;
|
||||
}
|
||||
|
||||
if ($thisColumnValue === false) {
|
||||
return $columnToSumValue;
|
||||
}
|
||||
|
||||
if (is_array($columnToSumValue)) {
|
||||
$newValue = $thisColumnValue;
|
||||
foreach ($columnToSumValue as $arrayIndex => $arrayValue) {
|
||||
if (!isset($newValue[$arrayIndex])) {
|
||||
$newValue[$arrayIndex] = false;
|
||||
}
|
||||
$newValue[$arrayIndex] = $this->sumRowArray($newValue[$arrayIndex], $arrayValue, $columnName);
|
||||
}
|
||||
return $newValue;
|
||||
}
|
||||
|
||||
$this->warnWhenSummingTwoStrings($thisColumnValue, $columnToSumValue, $columnName);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Helper function to compare array elements
|
||||
*
|
||||
* @param mixed $elem1
|
||||
* @param mixed $elem2
|
||||
* @return bool
|
||||
* @ignore
|
||||
*/
|
||||
public static function compareElements($elem1, $elem2)
|
||||
{
|
||||
if (is_array($elem1)) {
|
||||
if (is_array($elem2)) {
|
||||
return strcmp(serialize($elem1), serialize($elem2));
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
if (is_array($elem2)) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
if ((string)$elem1 === (string)$elem2) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
return ((string)$elem1 > (string)$elem2) ? 1 : -1;
|
||||
}
|
||||
|
||||
/**
|
||||
* Helper function that tests if two rows are equal.
|
||||
*
|
||||
* Two rows are equal if:
|
||||
*
|
||||
* - they have exactly the same columns / metadata
|
||||
* - they have a subDataTable associated, then we check that both of them are the same.
|
||||
*
|
||||
* Column order is not important.
|
||||
*
|
||||
* @param \Piwik\DataTable\Row $row1 first to compare
|
||||
* @param \Piwik\DataTable\Row $row2 second to compare
|
||||
* @return bool
|
||||
*/
|
||||
public static function isEqual(Row $row1, Row $row2)
|
||||
{
|
||||
//same columns
|
||||
$cols1 = $row1->getColumns();
|
||||
$cols2 = $row2->getColumns();
|
||||
|
||||
$diff1 = array_udiff($cols1, $cols2, array(__CLASS__, 'compareElements'));
|
||||
$diff2 = array_udiff($cols2, $cols1, array(__CLASS__, 'compareElements'));
|
||||
|
||||
if ($diff1 != $diff2) {
|
||||
return false;
|
||||
}
|
||||
|
||||
$dets1 = $row1->getMetadata();
|
||||
$dets2 = $row2->getMetadata();
|
||||
|
||||
ksort($dets1);
|
||||
ksort($dets2);
|
||||
|
||||
if ($dets1 != $dets2) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// either both are null
|
||||
// or both have a value
|
||||
if (!(is_null($row1->getIdSubDataTable())
|
||||
&& is_null($row2->getIdSubDataTable())
|
||||
)
|
||||
) {
|
||||
$subtable1 = $row1->getSubtable();
|
||||
$subtable2 = $row2->getSubtable();
|
||||
if (!DataTable::isEqual($subtable1, $subtable2)) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
private function warnIfSubtableAlreadyExists()
|
||||
{
|
||||
if (!is_null($this->subtableId)) {
|
||||
Log::warning(
|
||||
"Row with label '%s' (columns = %s) has already a subtable id=%s but it was not loaded - overwriting the existing sub-table.",
|
||||
$this->getColumn('label'),
|
||||
implode(", ", $this->getColumns()),
|
||||
$this->getIdSubDataTable()
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
protected function warnWhenSummingTwoStrings($thisColumnValue, $columnToSumValue, $columnName = null)
|
||||
{
|
||||
if (is_string($columnToSumValue)) {
|
||||
Log::warning(
|
||||
"Trying to add two strings in DataTable\Row::sumRowArray: %s + %s for column %s in row %s",
|
||||
$thisColumnValue,
|
||||
$columnToSumValue,
|
||||
$columnName,
|
||||
$this->__toString()
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user