New JS Tracker methods to retrieve current URL and piwik URL (#11616)

* api tweaks

* added tests

* added docs and minified piwik

* fix tests

1 files changed, 17 insertions, 0 deletions

diff --git a/core/Plugin/Dimension/DimensionMetadataProvider.php b/core/Plugin/Dimension/DimensionMetadataProvider.php
index 089c60c0a6..119063ba2d 100644
--- a/core/Plugin/Dimension/DimensionMetadataProvider.php
+++ b/core/Plugin/Dimension/DimensionMetadataProvider.php
@@ -7,6 +7,7 @@
  */
 
 namespace Piwik\Plugin\Dimension;
+use Piwik\Piwik;
 
 /**
  * Provides metadata about dimensions for the LogDataPurger class.
@@ -73,6 +74,22 @@ class DimensionMetadataProvider
             }
         }
 
+        /**
+         * Triggered when detecting which log_action entries to keep. Any log tables that use the log_action
+         * table to reference text via an ID should add their table info so no actions that are still in use
+         * will be accidentally deleted.
+         *
+         * **Example**
+         *
+         *     Piwik::addAction('Db.getActionReferenceColumnsByTable', function(&$result) {
+         *         $tableNameUnprefixed = 'log_example';
+         *         $columnNameThatReferencesIdActionInLogActionTable = 'idaction_example';
+         *         $result[$tableNameUnprefixed] = array($columnNameThatReferencesIdActionInLogActionTable);
+         *     });
+         * @param array $result
+         */
+        Piwik::postEvent('Db.getActionReferenceColumnsByTable', array(&$result));
+
         return $result;
     }