feat: import

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

lib/Import/ImportOptions.php

@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: Sebastian Krupinski <krupinski01@gmail.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace KTXM\ChronoManager\Import;
+
+use InvalidArgumentException;
+
+final class ImportOptions {
+
+    public const ERROR_CONTINUE = 0;
+    public const ERROR_FAIL     = 1;
+    public const ERROR_OPTIONS  = [self::ERROR_CONTINUE, self::ERROR_FAIL];
+
+    /** Overwrite an existing entity when the same UID is already present. */
+    private bool $supersede = false;
+
+    /** Emit an ImportCountEvent (discovered total) before the object stream. */
+    private bool $counts = true;
+
+    /** How to handle per-object errors. */
+    private int $errors = self::ERROR_CONTINUE;
+
+    public function getSupersede(): bool {
+        return $this->supersede;
+    }
+
+    public function setSupersede(bool $value): void {
+        $this->supersede = $value;
+    }
+
+    public function getCounts(): bool {
+        return $this->counts;
+    }
+
+    public function setCounts(bool $value): void {
+        $this->counts = $value;
+    }
+
+    public function getErrors(): int {
+        return $this->errors;
+    }
+
+    public function setErrors(int $value): void {
+        if (!in_array($value, self::ERROR_OPTIONS, true)) {
+            throw new InvalidArgumentException('Invalid errors option specified');
+        }
+        $this->errors = $value;
+    }
+
+    public static function fromArray(array $data): self {
+        $options = new self();
+        $options->supersede = (bool)($data['supersede'] ?? false);
+        $options->counts = (bool)($data['counts'] ?? true);
+        $options->errors = (int)($data['errors'] ?? self::ERROR_CONTINUE);
+        if (!in_array($options->errors, [self::ERROR_CONTINUE, self::ERROR_FAIL], true)) {
+            throw new InvalidArgumentException('Invalid errors option specified');
+        }
+        return $options;
+    }
+}