refactor(PatchRequest): extract integerValue() method.

Author: php-coder

src/main/java/ru/mystamps/web/feature/series/RestSeriesController.java

@@ -81,7 +81,7 @@ public ResponseEntity<Void> updateSeries(
 					seriesService.addComment(seriesId, patch.getValue());
 					break;
 				case "/release_year":
-					seriesService.addReleaseYear(seriesId, Integer.valueOf(patch.getValue()), currentUserId);
+					seriesService.addReleaseYear(seriesId, patch.integerValue(), currentUserId);
 					break;
 				case "/michel_price":
 					seriesService.addPrice(MICHEL, seriesId, patch.bigDecimalValue(), currentUserId);

src/main/java/ru/mystamps/web/support/spring/mvc/PatchRequest.java

@@ -48,6 +48,10 @@ public enum Operation {
 	@NotEmpty
 	private String value;
 
+	public Integer integerValue() {
+		return Integer.valueOf(value);
+	}
+	
 	public BigDecimal bigDecimalValue() {
 		return new BigDecimal(value);
 	}