site-accueil-insa/matomo/core/Columns/Dimension.php

856 lines
27 KiB
PHP

<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\Columns;
use Piwik\Common;
use Piwik\Db;
use Piwik\Piwik;
use Piwik\Plugin;
use Piwik\Plugin\ArchivedMetric;
use Piwik\Plugin\Segment;
use Exception;
use Piwik\CacheId;
use Piwik\Cache as PiwikCache;
use Piwik\Plugin\Manager as PluginManager;
use Piwik\Metrics\Formatter;
use Piwik\Segment\SegmentsList;
/**
* @api
* @since 3.1.0
*/
abstract class Dimension
{
const COMPONENT_SUBNAMESPACE = 'Columns';
/**
* Segment type 'dimension'. Can be used along with {@link setType()}.
* @api
*/
const TYPE_DIMENSION = 'dimension';
const TYPE_BINARY = 'binary';
const TYPE_TEXT = 'text';
const TYPE_ENUM = 'enum';
const TYPE_MONEY = 'money';
const TYPE_BYTE = 'byte';
const TYPE_DURATION_MS = 'duration_ms';
const TYPE_DURATION_S = 'duration_s';
const TYPE_NUMBER = 'number';
const TYPE_FLOAT = 'float';
const TYPE_URL = 'url';
const TYPE_DATE = 'date';
const TYPE_TIME = 'time';
const TYPE_DATETIME = 'datetime';
const TYPE_TIMESTAMP = 'timestamp';
const TYPE_BOOL = 'bool';
const TYPE_PERCENT = 'percent';
/**
* This will be the name of the column in the database table if a $columnType is specified.
* @var string
* @api
*/
protected $columnName = '';
/**
* If a columnType is defined, we will create a column in the MySQL table having this type. Please make sure
* MySQL understands this type. Once you change the column type the Piwik platform will notify the user to
* perform an update which can sometimes take a long time so be careful when choosing the correct column type.
* @var string
* @api
*/
protected $columnType = '';
/**
* Holds an array of segment instances
* @var Segment[]
*/
protected $segments = array();
/**
* Defines what kind of data type this dimension holds. By default the type is auto-detected based on
* `$columnType` but sometimes it may be needed to correct this value. Depending on this type, a dimension will be
* formatted differently for example.
* @var string
* @api since Piwik 3.2.0
*/
protected $type = '';
/**
* Translation key for name singular
* @var string
*/
protected $nameSingular = '';
/**
* Translation key for name plural
* @var string
* @api since Piwik 3.2.0
*/
protected $namePlural = '';
/**
* Translation key for category
* @var string
*/
protected $category = '';
/**
* By defining a segment name a user will be able to filter their visitors by this column. If you do not want to
* define a segment for this dimension, simply leave the name empty.
* @api since Piwik 3.2.0
*/
protected $segmentName = '';
/**
* Sets a callback which will be executed when user will call for suggested values for segment.
*
* @var callable
* @api since Piwik 3.2.0
*/
protected $suggestedValuesCallback;
/**
* An API method whose label columns will be used to determine the suggested values should browser archiving
* be disabled. The API must have defined a segment metadata on each row for this to work.
* @var string
*/
protected $suggestedValuesApi = '';
/**
* Here you should explain which values are accepted/useful for your segment, for example:
* "1, 2, 3, etc." or "comcast.net, proxad.net, etc.". If the value needs any special encoding you should mention
* this as well. For example "Any URL including protocol. The URL must be URL encoded."
*
* @var string
* @api since Piwik 3.2.0
*/
protected $acceptValues;
/**
* Defines to which column in the MySQL database the segment belongs (if one is configured). Defaults to
* `$this.dbTableName . '.'. $this.columnName` but you can customize it eg like `HOUR(log_visit.visit_last_action_time)`.
*
* @param string $sqlSegment
* @api since Piwik 3.2.0
*/
protected $sqlSegment;
/**
* Interesting when specifying a segment. Sometimes you want users to set segment values that differ from the way
* they are actually stored. For instance if you want to allow to filter by any URL than you might have to resolve
* this URL to an action id. Or a country name maybe has to be mapped to a 2 letter country code. You can do this by
* specifying either a callable such as `array('Classname', 'methodName')` or by passing a closure.
* There will be four values passed to the given closure or callable: `string $valueToMatch`, `string $segment`
* (see {@link setSegment()}), `string $matchType` (eg SegmentExpression::MATCH_EQUAL or any other match constant
* of this class) and `$segmentName`.
*
* If the closure returns NULL, then Piwik assumes the segment sub-string will not match any visitor.
*
* @var string|\Closure
* @api since Piwik 3.2.0
*/
protected $sqlFilter;
/**
* Similar to {@link $sqlFilter} you can map a given segment value to another value. For instance you could map
* "new" to 0, 'returning' to 1 and any other value to '2'. You can either define a callable or a closure. There
* will be only one value passed to the closure or callable which contains the value a user has set for this
* segment.
* @var string|array
* @api since Piwik 3.2.0
*/
protected $sqlFilterValue;
/**
* Defines whether this dimension (and segment based on this dimension) is available to anonymous users.
* @var bool
* @api since Piwik 3.2.0
*/
protected $allowAnonymous = true;
/**
* The name of the database table this dimension refers to
* @var string
* @api
*/
protected $dbTableName = '';
/**
* By default the metricId is automatically generated based on the dimensionId. This might sometimes not be as
* readable and quite long. If you want more expressive metric names like `nb_visits` compared to
* `nb_corehomevisitid`, you can eg set a metricId `visit`.
*
* @var string
* @api since Piwik 3.2.0
*/
protected $metricId = '';
/**
* To be implemented when a column references another column
* @return Join|null
* @api since Piwik 3.2.0
*/
public function getDbColumnJoin()
{
return null;
}
/**
* @return Discriminator|null
* @api since Piwik 3.2.0
*/
public function getDbDiscriminator()
{
return null;
}
/**
* To be implemented when a column represents an enum.
* @return array
* @api since Piwik 3.2.0
*/
public function getEnumColumnValues()
{
return array();
}
/**
* Get the metricId which is used to generate metric names based on this dimension.
* @return string
*/
public function getMetricId()
{
if (!empty($this->metricId)) {
return $this->metricId;
}
$id = $this->getId();
return str_replace(array('.', ' ', '-'), '_', strtolower($id));
}
/**
* Installs the action dimension in case it is not installed yet. The installation is already implemented based on
* the {@link $columnName} and {@link $columnType}. If you want to perform additional actions beside adding the
* column to the database - for instance adding an index - you can overwrite this method. We recommend to call
* this parent method to get the minimum required actions and then add further custom actions since this makes sure
* the column will be installed correctly. We also recommend to change the default install behavior only if really
* needed. FYI: We do not directly execute those alter table statements here as we group them together with several
* other alter table statements do execute those changes in one step which results in a faster installation. The
* column will be added to the `log_link_visit_action` MySQL table.
*
* Example:
* ```
public function install()
{
$changes = parent::install();
$changes['log_link_visit_action'][] = "ADD INDEX index_idsite_servertime ( idsite, server_time )";
return $changes;
}
```
*
* @return array An array containing the table name as key and an array of MySQL alter table statements that should
* be executed on the given table. Example:
* ```
array(
'log_link_visit_action' => array("ADD COLUMN `$this->columnName` $this->columnType", "ADD INDEX ...")
);
```
* @api
*/
public function install()
{
if (empty($this->columnName) || empty($this->columnType) || empty($this->dbTableName)) {
return array();
}
// TODO if table does not exist, create it with a primary key, but at this point we cannot really create it
// cause we need to show the query in the UI first and user needs to be able to create table manually.
// we cannot return something like "create table " here as it would be returned for each table etc.
// we need to do this in column updater etc!
return array(
$this->dbTableName => array("ADD COLUMN `$this->columnName` $this->columnType")
);
}
/**
* Updates the action dimension in case the {@link $columnType} has changed. The update is already implemented based
* on the {@link $columnName} and {@link $columnType}. This method is intended not to overwritten by plugin
* developers as it is only supposed to make sure the column has the correct type. Adding additional custom "alter
* table" actions would not really work since they would be executed with every {@link $columnType} change. So
* adding an index here would be executed whenever the columnType changes resulting in an error if the index already
* exists. If an index needs to be added after the first version is released a plugin update class should be
* created since this makes sure it is only executed once.
*
* @return array An array containing the table name as key and an array of MySQL alter table statements that should
* be executed on the given table. Example:
* ```
array(
'log_link_visit_action' => array("MODIFY COLUMN `$this->columnName` $this->columnType", "DROP COLUMN ...")
);
```
* @ignore
*/
public function update()
{
if (empty($this->columnName) || empty($this->columnType) || empty($this->dbTableName)) {
return array();
}
return array(
$this->dbTableName => array("MODIFY COLUMN `$this->columnName` $this->columnType")
);
}
/**
* Uninstalls the dimension if a {@link $columnName} and {@link columnType} is set. In case you perform any custom
* actions during {@link install()} - for instance adding an index - you should make sure to undo those actions by
* overwriting this method. Make sure to call this parent method to make sure the uninstallation of the column
* will be done.
* @throws Exception
* @api
*/
public function uninstall()
{
if (empty($this->columnName) || empty($this->columnType) || empty($this->dbTableName)) {
return;
}
try {
$sql = "ALTER TABLE `" . Common::prefixTable($this->dbTableName) . "` DROP COLUMN `$this->columnName`";
Db::exec($sql);
} catch (Exception $e) {
if (!Db::get()->isErrNo($e, '1091')) {
throw $e;
}
}
}
/**
* Returns the ID of the category (typically a translation key).
* @return string
*/
public function getCategoryId()
{
return $this->category;
}
/**
* Returns the translated name of this dimension which is typically in singular.
*
* @return string
*/
public function getName()
{
if (!empty($this->nameSingular)) {
return Piwik::translate($this->nameSingular);
}
return $this->nameSingular;
}
/**
* Returns a translated name in plural for this dimension.
* @return string
* @api since Piwik 3.2.0
*/
public function getNamePlural()
{
if (!empty($this->namePlural)) {
return Piwik::translate($this->namePlural);
}
return $this->getName();
}
/**
* Defines whether an anonymous user is allowed to view this dimension
* @return bool
* @api since Piwik 3.2.0
*/
public function isAnonymousAllowed()
{
return $this->allowAnonymous;
}
/**
* Sets (overwrites) the SQL segment
* @param $segment
* @api since Piwik 3.2.0
*/
public function setSqlSegment($segment)
{
$this->sqlSegment = $segment;
}
/**
* Sets (overwrites the dimension type)
* @param $type
* @api since Piwik 3.2.0
*/
public function setType($type)
{
$this->type = $type;
}
/**
* A dimension should group values by using this method. Otherwise the same row may appear several times.
*
* @param mixed $value
* @param int $idSite
* @return mixed
* @api since Piwik 3.2.0
*/
public function groupValue($value, $idSite)
{
switch ($this->type) {
case Dimension::TYPE_URL:
return str_replace(array('http://', 'https://'), '', $value);
case Dimension::TYPE_BOOL:
return !empty($value) ? '1' : '0';
case Dimension::TYPE_DURATION_MS:
return number_format($value / 1000, 2) * 1000; // because we divide we need to group them and cannot do this in formatting step
}
return $value;
}
/**
* Formats the dimension value. By default, the dimension is formatted based on the set dimension type.
*
* @param mixed $value
* @param int $idSite
* @param Formatter $formatter
* @return mixed
* @api since Piwik 3.2.0
*/
public function formatValue($value, $idSite, Formatter $formatter)
{
switch ($this->type) {
case Dimension::TYPE_BOOL:
if (empty($value)) {
return Piwik::translate('General_No');
}
return Piwik::translate('General_Yes');
case Dimension::TYPE_ENUM:
$values = $this->getEnumColumnValues();
if (isset($values[$value])) {
return $values[$value];
}
break;
case Dimension::TYPE_MONEY:
return $formatter->getPrettyMoney($value, $idSite);
case Dimension::TYPE_FLOAT:
return $formatter->getPrettyNumber((float) $value, $precision = 2);
case Dimension::TYPE_NUMBER:
return $formatter->getPrettyNumber($value);
case Dimension::TYPE_DURATION_S:
return $formatter->getPrettyTimeFromSeconds($value, $displayAsSentence = false);
case Dimension::TYPE_DURATION_MS:
$val = round(($value / 1000), ($value / 1000) > 60 ? 0 : 2);
return $formatter->getPrettyTimeFromSeconds($val, $displayAsSentence = true);
case Dimension::TYPE_PERCENT:
return $formatter->getPrettyPercentFromQuotient($value);
case Dimension::TYPE_BYTE:
return $formatter->getPrettySizeFromBytes($value);
}
return $value;
}
/**
* Overwrite this method to configure segments. To do so just create an instance of a {@link \Piwik\Plugin\Segment}
* class, configure it and call the {@link addSegment()} method. You can add one or more segments for this
* dimension. Example:
*
* ```
* $segment = new Segment();
* $segment->setSegment('exitPageUrl');
* $segment->setName('Actions_ColumnExitPageURL');
* $segment->setCategory('General_Visit');
* $segmentsList->addSegment($segment);
* ```
*
* @param SegmentsList $segmentsList
* @param DimensionSegmentFactory $dimensionSegmentFactory
* @throws Exception
*/
public function configureSegments(SegmentsList $segmentsList, DimensionSegmentFactory $dimensionSegmentFactory)
{
if ($this->segmentName && $this->category
&& ($this->sqlSegment || ($this->columnName && $this->dbTableName))
&& $this->nameSingular) {
$segment = $dimensionSegmentFactory->createSegment(null);
$segmentsList->addSegment($segment);
}
}
/**
* Configures metrics for this dimension.
*
* For certain dimension types, some metrics will be added automatically.
*
* @param MetricsList $metricsList
* @param DimensionMetricFactory $dimensionMetricFactory
*/
public function configureMetrics(MetricsList $metricsList, DimensionMetricFactory $dimensionMetricFactory)
{
if ($this->getMetricId() && $this->dbTableName && $this->columnName && $this->getNamePlural()) {
if (in_array($this->getType(), array(self::TYPE_DATETIME, self::TYPE_DATE, self::TYPE_TIME, self::TYPE_TIMESTAMP))) {
// we do not generate any metrics from these types
return;
} elseif (in_array($this->getType(), array(self::TYPE_URL, self::TYPE_TEXT, self::TYPE_BINARY, self::TYPE_ENUM))) {
$metric = $dimensionMetricFactory->createMetric(ArchivedMetric::AGGREGATION_UNIQUE);
$metricsList->addMetric($metric);
} elseif (in_array($this->getType(), array(self::TYPE_BOOL))) {
$metric = $dimensionMetricFactory->createMetric(ArchivedMetric::AGGREGATION_SUM);
$metricsList->addMetric($metric);
} else {
$metric = $dimensionMetricFactory->createMetric(ArchivedMetric::AGGREGATION_SUM);
$metricsList->addMetric($metric);
$metric = $dimensionMetricFactory->createMetric(ArchivedMetric::AGGREGATION_MAX);
$metricsList->addMetric($metric);
}
}
}
/**
* Check whether a dimension has overwritten a specific method.
* @param $method
* @return bool
* @ignore
*/
public function hasImplementedEvent($method)
{
$method = new \ReflectionMethod($this, $method);
$declaringClass = $method->getDeclaringClass();
return 0 === strpos($declaringClass->name, 'Piwik\Plugins');
}
/**
* Get the list of configured segments.
*
* @return Segment[]
* @throws Exception
* @ignore
*/
public function getSegments()
{
$list = new SegmentsList();
$this->configureSegments($list, new DimensionSegmentFactory($this));
return $list->getSegments();
}
/**
* Returns the name of the segment that this dimension defines
* @return string
* @api since Piwik 3.2.0
*/
public function getSegmentName()
{
return $this->segmentName;
}
/**
* Get the name of the dimension column.
* @return string
* @ignore
*/
public function getColumnName()
{
return $this->columnName;
}
/**
* Returns a sql segment expression for this dimension.
* @return string
* @api since Piwik 3.2.0
*/
public function getSqlSegment()
{
if (!empty($this->sqlSegment)) {
return $this->sqlSegment;
}
if ($this->dbTableName && $this->columnName) {
return $this->dbTableName . '.' . $this->columnName;
}
}
/**
* @return null|callable
* @ignore
*/
public function getSuggestedValuesCallback()
{
return $this->suggestedValuesCallback;
}
/**
* @return null|string
* @ignore
*/
public function getSuggestedValuesApi()
{
return $this->suggestedValuesApi;
}
/**
* @return null|string
* @ignore
*/
public function getAcceptValues()
{
return $this->acceptValues;
}
/**
* @return \Closure|string|null
* @ignore
*/
public function getSqlFilter()
{
return $this->sqlFilter;
}
/**
* @return array|string|null
* @ignore
*/
public function getSqlFilterValue()
{
return $this->sqlFilterValue;
}
/**
* Check whether the dimension has a column type configured
* @return bool
* @ignore
*/
public function hasColumnType()
{
return !empty($this->columnType);
}
/**
* Returns the name of the database table this dimension belongs to.
* @return string
* @api since Piwik 3.2.0
*/
public function getDbTableName()
{
return $this->dbTableName;
}
/**
* Returns a unique string ID for this dimension. The ID is built using the namespaced class name
* of the dimension, but is modified to be more human readable.
*
* @return string eg, `"Referrers.Keywords"`
* @throws Exception if the plugin and simple class name of this instance cannot be determined.
* This would only happen if the dimension is located in the wrong directory.
* @api
*/
public function getId()
{
$className = get_class($this);
return $this->generateIdFromClass($className);
}
/**
* @param string $className
* @return string
* @throws Exception
* @ignore
*/
protected function generateIdFromClass($className)
{
// parse plugin name & dimension name
$regex = "/Piwik\\\\Plugins\\\\([^\\\\]+)\\\\" . self::COMPONENT_SUBNAMESPACE . "\\\\([^\\\\]+)/";
if (!preg_match($regex, $className, $matches)) {
throw new Exception("'$className' is located in the wrong directory.");
}
$pluginName = $matches[1];
$dimensionName = $matches[2];
return $pluginName . '.' . $dimensionName;
}
/**
* Gets an instance of all available visit, action and conversion dimension.
* @return Dimension[]
*/
public static function getAllDimensions()
{
$cacheId = CacheId::siteAware(CacheId::pluginAware('AllDimensions'));
$cache = PiwikCache::getTransientCache();
if (!$cache->contains($cacheId)) {
$plugins = PluginManager::getInstance()->getPluginsLoadedAndActivated();
$instances = array();
/**
* Triggered to add new dimensions that cannot be picked up automatically by the platform.
* This is useful if the plugin allows a user to create reports / dimensions dynamically. For example
* CustomDimensions or CustomVariables. There are a variable number of dimensions in this case and it
* wouldn't be really possible to create a report file for one of these dimensions as it is not known
* how many Custom Dimensions will exist.
*
* **Example**
*
* public function addDimension(&$dimensions)
* {
* $dimensions[] = new MyCustomDimension();
* }
*
* @param Dimension[] $reports An array of dimensions
*/
Piwik::postEvent('Dimension.addDimensions', array(&$instances));
foreach ($plugins as $plugin) {
foreach (self::getDimensions($plugin) as $instance) {
$instances[] = $instance;
}
}
/**
* Triggered to filter / restrict dimensions.
*
* **Example**
*
* public function filterDimensions(&$dimensions)
* {
* foreach ($dimensions as $index => $dimension) {
* if ($dimension->getName() === 'Page URL') {}
* unset($dimensions[$index]); // remove this dimension
* }
* }
* }
*
* @param Dimension[] $dimensions An array of dimensions
*/
Piwik::postEvent('Dimension.filterDimensions', array(&$instances));
$cache->save($cacheId, $instances);
}
return $cache->fetch($cacheId);
}
public static function getDimensions(Plugin $plugin)
{
$columns = $plugin->findMultipleComponents('Columns', '\\Piwik\\Columns\\Dimension');
$instances = array();
$removedDimensions = self::getRemovedDimensions();
foreach ($columns as $column) {
if (!in_array($column, $removedDimensions)) {
$instances[] = new $column();
}
}
return $instances;
}
/**
* Returns a list of dimension class names that have been removed from core over time
*
* @return string[]
*/
public static function getRemovedDimensions()
{
return [
// dimensions removed in Matomo 4.0.0
'Piwik\Plugins\DevicePlugins\Columns\PluginDirector',
'Piwik\Plugins\DevicePlugins\Columns\PluginGears',
'Piwik\Plugins\VisitorInterest\Columns\VisitsByDaysSinceLastVisit',
];
}
/**
* Returns the name of the plugin that contains this Dimension.
*
* @return string
* @throws Exception if the Dimension is not located within a Plugin module.
* @api
*/
public function getModule()
{
$id = $this->getId();
if (empty($id)) {
throw new Exception("Invalid dimension ID: '$id'.");
}
$parts = explode('.', $id);
return reset($parts);
}
/**
* Returns the type of the dimension which defines what kind of value this dimension stores.
* @return string
* @api since Piwik 3.2.0
*/
public function getType()
{
if (!empty($this->type)) {
return $this->type;
}
if ($this->getDbColumnJoin()) {
// best guess
return self::TYPE_TEXT;
}
if ($this->getEnumColumnValues()) {
// best guess
return self::TYPE_ENUM;
}
if (!empty($this->columnType)) {
// best guess
$type = strtolower($this->columnType);
if (strpos($type, 'datetime') !== false) {
return self::TYPE_DATETIME;
} elseif (strpos($type, 'timestamp') !== false) {
return self::TYPE_TIMESTAMP;
} elseif (strpos($type, 'date') !== false) {
return self::TYPE_DATE;
} elseif (strpos($type, 'time') !== false) {
return self::TYPE_TIME;
} elseif (strpos($type, 'float') !== false) {
return self::TYPE_FLOAT;
} elseif (strpos($type, 'decimal') !== false) {
return self::TYPE_FLOAT;
} elseif (strpos($type, 'int') !== false) {
return self::TYPE_NUMBER;
} elseif (strpos($type, 'binary') !== false) {
return self::TYPE_BINARY;
}
}
return self::TYPE_TEXT;
}
/**
* Get the version of the dimension which is used for update checks.
* @return string
* @ignore
*/
public function getVersion()
{
return $this->columnType;
}
}