feat: add url mapping value objects

src/Url/UrlMapping.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace WPContentSync\Url;
+
+final class UrlMapping {
+	private string $source_url;
+	private string $destination_url;
+
+	public function __construct( string $source_url, string $destination_url ) {
+		$source_url      = $this->normalizeUrl( $source_url );
+		$destination_url = $this->normalizeUrl( $destination_url );
+
+		if ( '' === $source_url || '' === $destination_url ) {
+			throw new \InvalidArgumentException( 'Source and destination URLs are required.' );
+		}
+
+		$this->source_url      = $source_url;
+		$this->destination_url = $destination_url;
+	}
+
+	public function sourceUrl(): string {
+		return $this->source_url;
+	}
+
+	public function destinationUrl(): string {
+		return $this->destination_url;
+	}
+
+	private function normalizeUrl( string $url ): string {
+		return rtrim( trim( $url ), '/' );
+	}
+}

src/Url/UrlMappingCollection.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace WPContentSync\Url;
+
+final class UrlMappingCollection {
+	/**
+	 * @var array<int, UrlMapping>
+	 */
+	private array $mappings;
+
+	/**
+	 * @param array<int, UrlMapping> $mappings URL mappings.
+	 */
+	public function __construct( array $mappings ) {
+		foreach ( $mappings as $mapping ) {
+			if ( ! $mapping instanceof UrlMapping ) {
+				throw new \InvalidArgumentException( 'URL mapping collections only accept UrlMapping instances.' );
+			}
+		}
+
+		$this->mappings = array_values( $mappings );
+	}
+
+	/**
+	 * @return array<int, UrlMapping>
+	 */
+	public function all(): array {
+		return $this->mappings;
+	}
+}