refactor: extract code for initialization catalog related fields to a function

Author: php-coder

src/main/java/ru/mystamps/web/feature/site/ResourceUrl.java

@@ -31,7 +31,7 @@ public final class ResourceUrl {
 	public static final String STATIC_RESOURCES_URL = "https://stamps.filezz.ru";
 
 	// MUST be updated when any of our resources were modified
-	public static final String RESOURCES_VERSION = "v0.4.7.1";
+	public static final String RESOURCES_VERSION = "v0.4.7.2";
 
 	private static final String CATALOG_UTILS_JS      = "/public/js/" + RESOURCES_VERSION + "/utils/CatalogUtils.min.js";
 	private static final String COLLECTION_INFO_JS     = "/public/js/" + RESOURCES_VERSION + "/collection/info.min.js";

src/main/javascript/series/info.js

@@ -22,3 +22,25 @@ function getCurrencyByCatalogName(catalog) {
 			return [ '\u20BD', 'RUB' ];
 	}
 }
+
+function initPriceCatalog() {
+	var catalogNameElem = document.getElementById('price-catalog-name');
+	if (catalogNameElem == null) {
+		console.error("Couldn't initialize catalog name selector: element not found");
+		return;
+	}
+	catalogNameElem.addEventListener('change', function changeCatalogCurrency(elem) {
+		var name = this.value;
+		var info = getCurrencyByCatalogName(this.value);
+		var symbolElem = document.getElementById('js-catalog-price-symbol');
+		if (symbolElem == null) {
+			console.error("Couldn't change currency symbol: element not found");
+		}
+		var titleElem = document.getElementById('catalog-price');
+		if (titleElem == null) {
+			console.error("Couldn't change currency title: element not found");
+		}
+		symbolElem.innerText = info[0];
+		titleElem.title = info[1];
+	});
+}

src/main/webapp/WEB-INF/views/series/info.html

@@ -1126,25 +1126,7 @@ <h5 th:text="#{t_add_info_who_selling_series}">Add info about selling/buying thi
 
 		<script sec:authorize="hasAuthority('CREATE_SERIES')">
 			window.addEventListener('DOMContentLoaded', function initPage() {
-				var catalogNameElem = document.getElementById('price-catalog-name');
-				if (catalogNameElem == null) {
-					console.error("Couldn't initialize catalog name selector: element not found");
-					return;
-				}
-				catalogNameElem.addEventListener('change', function changeCatalogCurrency(elem) {
-					var name = this.value;
-					var info = getCurrencyByCatalogName(this.value);
-					var symbolElem = document.getElementById('js-catalog-price-symbol');
-					if (symbolElem == null) {
-						console.error("Couldn't change currency symbol: element not found");
-					}
-					var titleElem = document.getElementById('catalog-price');
-					if (titleElem == null) {
-						console.error("Couldn't change currency title: element not found");
-					}
-					symbolElem.innerText = info[0];
-					titleElem.title = info[1];
-				});
+				initPriceCatalog();
 			});
 		</script>