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Added possibility to create nested structures of elements using Mass Import

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This commit is contained in:
Jan Böhmer 2023-01-28 23:24:45 +01:00
parent 22950f2476
commit 07f95bc6ea
7 changed files with 126 additions and 12 deletions
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34
src/Services/ImportExportSystem/EntityImporter.php
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@ -22,6 +22,7 @@ declare(strict_types=1);
namespace App\Services\ImportExportSystem;
use App\Entity\Base\AbstractNamedDBElement;
use App\Entity\Base\AbstractStructuralDBElement;
use function count;
use Doctrine\ORM\EntityManagerInterface;
@ -61,7 +62,7 @@ class EntityImporter
//Expand every line to a single entry:
$names = explode("\n", $lines);
if (!is_a($class_name, AbstractStructuralDBElement::class, true)) {
if (!is_a($class_name, AbstractNamedDBElement::class, true)) {
throw new InvalidArgumentException('$class_name must be a StructuralDBElement type!');
}
if (null !== $parent && !is_a($parent, $class_name)) {
@ -71,7 +72,31 @@ class EntityImporter
$errors = [];
$valid_entities = [];
$current_parent = $parent;
$last_element = $parent;
//We use this array to store all levels of indentation as a stack.
$indentations = [0];
foreach ($names as $name) {
//Count intendation level (whitespace characters at the beginning of the line)
$identSize = strlen($name)-strlen(ltrim($name));
//If the line is intendet more than the last line, we have a new parent element
if ($identSize > end($indentations)) {
$current_parent = $last_element;
//Add the new indentation level to the stack
$indentations[] = $identSize;
}
while ($identSize < end($indentations)) {
//If the line is intendet less than the last line, we have to go up in the tree
if ($current_parent instanceof AbstractStructuralDBElement) {
$current_parent = $current_parent->getParent();
} else {
$current_parent = null;
}
array_pop($indentations);
}
$name = trim($name);
if ('' === $name) {
//Skip empty lines (StrucuralDBElements must have a name)
@ -81,7 +106,10 @@ class EntityImporter
//Create new element with given name
$entity = new $class_name();
$entity->setName($name);
$entity->setParent($parent);
//Only set the parent if the entity is a StructuralDBElement
if ($entity instanceof AbstractStructuralDBElement) {
$entity->setParent($current_parent);
}
//Validate entity
$tmp = $this->validator->validate($entity);
@ -94,6 +122,8 @@ class EntityImporter
'violations' => $tmp,
];
}
$last_element = $entity;
}
return $valid_entities;