/**
* Funkce pro aktualizaci info o atributech v DB
* @param Metasource &$metasource
* @param User $user
*/
public function updateMetasourceAttributes(Metasource &$metasource, User $user)
{
/** @var IPreprocessing $preprocessing */
$preprocessing = $this->preprocessingFactory->getPreprocessingInstance($metasource->getPpConnection(), $user);
$ppDataset = $preprocessing->getPpDataset($metasource->ppDatasetId ? $metasource->ppDatasetId : $metasource->name);
$datasource = $metasource->datasource;
$metasource->size = $ppDataset->size;
$ppAttributes = $preprocessing->getPpAttributes($ppDataset);
#region připravení seznamu aktuálně existujících datasourceColumns
/** @var Attribute[] $existingAttributesByPpDatasetAttributeId */
$existingAttributesByPpDatasetAttributeId = [];
/** @var Attribute[] $existingAttributesByName */
$existingAttributesByName = [];
/** @var Attribute[] $attributes */
$attributes = $metasource->attributes;
if (!empty($attributes)) {
foreach ($attributes as &$attribute) {
if (!empty($attribute->ppDatasetAttributeId)) {
$existingAttributesByPpDatasetAttributeId[$attribute->ppDatasetAttributeId] = $attribute;
} else {
$existingAttributesByName[$attribute->name] = $attribute;
}
}
}
#endregion
#region aktualizace seznamu sloupců získaných z DB
if (!empty($ppAttributes)) {
foreach ($ppAttributes as $ppAttribute) {
if (!empty($ppAttribute->id) && is_int($ppAttribute->id) && isset($existingAttributesByPpDatasetAttributeId[$ppAttribute->id])) {
//sloupec s daným ID již je v databázi
$attribute = $existingAttributesByPpDatasetAttributeId[$ppAttribute->id];
$modified = false;
if ($attribute->name != $ppAttribute->name) {
$attribute->name = $ppAttribute->name;
$modified = true;
}
if (!$attribute->active) {
$modified = true;
$attribute->active = true;
}
if ($modified) {
$this->saveAttribute($attribute);
}
unset($existingAttributesByPpDatasetAttributeId[$ppAttribute->id]);
} elseif (!empty($ppAttribute->name) && isset($existingAttributesByName[$ppAttribute->name])) {
//sloupec najdeme podle jména
$attribute = $existingAttributesByName[$ppAttribute->name];
if (!empty($ppAttribute->id) && $attribute->ppDatasetAttributeId != $ppAttribute->id) {
$attribute->ppDatasetAttributeId = $ppAttribute->id;
$attribute->active = true;
$this->saveAttribute($attribute);
} elseif (!$attribute->active) {
$attribute->active = true;
$this->saveAttribute($attribute);
}
unset($existingAttributesByName[$ppAttribute->name]);
} elseif (!empty($ppAttribute->field)) {
//máme tu nový datový sloupec (který má svoji vazbu na datasource)
$attribute = new Attribute();
$attribute->metasource = $metasource;
try {
$datasourceColumn = $this->datasourcesFacade->findDatasourceColumnByDbDatasourceColumnId($datasource, $ppAttribute->field);
} catch (\Exception $e) {
$datasourceColumn = null;
}
$attribute->datasourceColumn = $datasourceColumn;
$attribute->name = $ppAttribute->name;
if (is_int($ppAttribute->id)) {
$attribute->ppDatasetAttributeId = $ppAttribute->id;
}
$attribute->active = true;
$attribute->type = $ppAttribute->type;
$this->saveAttribute($attribute);
}
}
}
#endregion
#region deaktivace již neexistujících sloupců
//TODO kontrola, jestli je není možné kompletně smazat (pokud ještě nebyly dovytvořeny v rámci preprocessingu)
if (!empty($existingAttributesByPpDatasetAttributeId)) {
foreach ($existingAttributesByPpDatasetAttributeId as &$attribute) {
if ($attribute->active) {
$attribute->active = false;
$this->saveAttribute($attribute);
}
}
}
if (!empty($existingAttributesByName)) {
foreach ($existingAttributesByName as &$attribute) {
if ($attribute->active) {
$attribute->active = false;
$this->saveAttribute($attribute);
}
}
}
#endregion
//aktualizace datového zdroje z DB
$metasource = $this->findMetasource($metasource->metasourceId);
#region vyčištění preprocessing úloh
if (!empty($metasource->metasourceTasks)) {
$attributesArr = $metasource->getAttributesArr();
if (!empty($attributesArr)) {
foreach ($metasource->metasourceTasks as $metasourceTask) {
if ($metasourceTask->type == MetasourceTask::TYPE_PREPROCESSING) {
if (!empty($metasourceTask->attributes)) {
$finished = true;
foreach ($metasourceTask->attributes as $taskAttribute) {
if (!$taskAttribute->active) {
$finished = false;
}
}
if ($finished) {
$this->metasourceTasksRepository->delete($metasourceTask);
}
}
}
}
}
}
#endregion
}
