/**
* Index a string with the moduleId and the itemId.
*
* The function get a string and separate into many words and store each of them.
*
* @param integer $moduleId The module ID to store.
* @param integer $itemId The item ID.
* @param string $data String to save.
*
* @return void
*/
private function _index($moduleId, $itemId, $data)
{
$array = $this->_stringToArray($data);
// Found all the relations moduleId-itemId <-> userId-tagId
$oldTagUserRelations = $this->getRelationIdByModule($moduleId, $itemId);
// Delete the entries for the moduleId-itemId <-> userId
$this->_tagsModules->deleteRelations($moduleId, $itemId, $oldTagUserRelations);
foreach ($array as $word) {
$crc32 = crc32($word);
// Save the tag
$tagId = $this->_tags->saveTags($crc32, $word);
// Save the tag-user relation
$tagUserId = $this->_tagsUsers->saveTags($tagId);
// Save the tag-user-moduleId relation
$this->_tagsModules->saveTags($moduleId, $itemId, $tagUserId);
}
}
