1 files changed, 83 insertions, 0 deletions
diff --git a/www/wiki/extensions/Maps/src/Presentation/WikitextParsers/ImageOverlayParser.php b/www/wiki/extensions/Maps/src/Presentation/WikitextParsers/ImageOverlayParser.php
new file mode 100644
index 00000000..c2d81591
--- /dev/null
+++ b/www/wiki/extensions/Maps/src/Presentation/WikitextParsers/ImageOverlayParser.php
@@ -0,0 +1,83 @@
+<?php
+
+namespace Maps\Presentation\WikitextParsers;
+
+use DataValues\Geo\Values\LatLongValue;
+use Jeroen\SimpleGeocoder\Geocoder;
+use Maps\Elements\ImageOverlay;
+use Maps\MapsFactory;
+use ValueParsers\ParseException;
+use ValueParsers\ValueParser;
+
+/**
+ * @since 3.1
+ *
+ * @licence GNU GPL v2+
+ * @author Jeroen De Dauw < jeroendedauw@gmail.com >
+ */
+class ImageOverlayParser implements ValueParser {
+
+	private $geocoder;
+
+	public function __construct( $geocoder = null ) {
+		$this->geocoder = $geocoder instanceof Geocoder ? $geocoder : MapsFactory::newDefault()->getGeocoder();
+	}
+
+	/**
+	 * @since 3.1
+	 *
+	 * @param string $value
+	 *
+	 * @return ImageOverlay
+	 * @throws ParseException
+	 */
+	public function parse( $value ) {
+		$metaData = explode( '~', $value );
+		$imageParameters = explode( ':', array_shift( $metaData ), 3 );
+
+		if ( count( $imageParameters ) !== 3 ) {
+			throw new ParseException( 'Need 3 parameters for an image overlay' );
+		}
+
+		$boundsNorthEast = $this->stringToLatLongValue( $imageParameters[0] );
+		$boundsSouthWest = $this->stringToLatLongValue( $imageParameters[1] );
+		$imageUrl = \Maps\MapsFunctions::getFileUrl( $imageParameters[2] );
+
+		$overlay = new ImageOverlay( $boundsNorthEast, $boundsSouthWest, $imageUrl );
+
+		if ( $metaData !== [] ) {
+			$overlay->setTitle( array_shift( $metaData ) );
+		}
+
+		if ( $metaData !== [] ) {
+			$overlay->setText( array_shift( $metaData ) );
+		}
+
+		if ( $metaData !== [] ) {
+			$overlay->setLink( $this->getUrlFromLinkString( array_shift( $metaData ) ) );
+		}
+
+		return $overlay;
+	}
+
+	private function getUrlFromLinkString( string $linkString ): string {
+		$linkPrefix = 'link:';
+
+		if ( substr( $linkString, 0, strlen( $linkPrefix ) ) === $linkPrefix ) {
+			return substr( $linkString, strlen( $linkPrefix ) );
+		}
+
+		return $linkString;
+	}
+
+	private function stringToLatLongValue( string $location ): LatLongValue {
+		$latLong = $this->geocoder->geocode( $location );
+
+		if ( $latLong === null ) {
+			throw new ParseException( 'Failed to parse or geocode' );
+		}
+
+		return $latLong;
+	}
+
+}