Added import system

2026-08-08 08:12:17 +01:00 · 2024-03-05 19:19:07 +01:00
parent e8912650c0
commit 0ed5d14817
29 changed files with 946 additions and 4 deletions
--- a/app/Service/Import/ImportDatabaseHelper.php
+++ b/app/Service/Import/ImportDatabaseHelper.php
@@ -0,0 +1,132 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service\Import;
+
+use Closure;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model;
+
+/**
+ * @template TModel of Model
+ */
+class ImportDatabaseHelper
+{
+    /**
+     * @var class-string<TModel>
+     */
+    private string $model;
+
+    /**
+     * @var string[]
+     */
+    private array $identifiers;
+
+    private ?array $mapIdentifierToKey = null;
+
+    private array $mapNewAttach = [];
+
+    private bool $attachToExisting;
+
+    private ?Closure $queryModifier;
+
+    private ?Closure $afterCreate;
+
+    private int $createdCount;
+
+    /**
+     * @param  class-string<TModel>  $model
+     * @param  array<string>  $identifiers
+     */
+    public function __construct(string $model, array $identifiers, bool $attachToExisting = false, ?Closure $queryModifier = null, ?Closure $afterCreate = null)
+    {
+        $this->model = $model;
+        $this->identifiers = $identifiers;
+        $this->attachToExisting = $attachToExisting;
+        $this->queryModifier = $queryModifier;
+        $this->afterCreate = $afterCreate;
+        $this->createdCount = 0;
+    }
+
+    /**
+     * @return Builder<TModel>
+     */
+    private function getModelInstance(): Builder
+    {
+        return (new $this->model)->query();
+    }
+
+    private function createEntity(array $identifierData, array $createValues): string
+    {
+        $model = new $this->model();
+        foreach ($identifierData as $identifier => $identifierValue) {
+            $model->{$identifier} = $identifierValue;
+        }
+        foreach ($createValues as $key => $value) {
+            $model->{$key} = $value;
+        }
+        $model->save();
+
+        if ($this->afterCreate !== null) {
+            ($this->afterCreate)($model);
+        }
+
+        $this->mapIdentifierToKey[$this->getHash($identifierData)] = $model->getKey();
+        $this->createdCount++;
+
+        return $model->getKey();
+    }
+
+    private function getHash(array $data): string
+    {
+        return md5(json_encode($data));
+    }
+
+    public function getKey(array $identifierData, array $createValues = []): string
+    {
+        $this->checkMap();
+
+        $hash = $this->getHash($identifierData);
+        if ($this->attachToExisting) {
+            $key = $this->mapIdentifierToKey[$hash] ?? null;
+            if ($key !== null) {
+                return $key;
+            }
+
+            return $this->createEntity($identifierData, $createValues);
+        } else {
+            throw new \RuntimeException('Not implemented');
+        }
+    }
+
+    private function checkMap(): void
+    {
+        if ($this->mapIdentifierToKey === null) {
+            $select = $this->identifiers;
+            $select[] = (new $this->model())->getKeyName();
+            $builder = $this->getModelInstance();
+
+            if ($this->queryModifier !== null) {
+                $builder = ($this->queryModifier)($builder);
+            }
+
+            $databaseEntries = $builder->select($select)
+                ->get();
+            $this->mapIdentifierToKey = [];
+            foreach ($databaseEntries as $databaseEntry) {
+                $identifierData = [];
+                foreach ($this->identifiers as $identifier) {
+                    $identifierData[$identifier] = $databaseEntry->{$identifier};
+                }
+                $hash = $this->getHash($identifierData);
+                $this->mapIdentifierToKey[$hash] = $databaseEntry->getKey();
+            }
+        }
+    }
+
+    public function getCreatedCount(): int
+    {
+        return $this->createdCount;
+    }
+}