Generalize web form URL scheme

Signed-off-by: Pekka Helenius <fincer89@hotmail.com>

bookstore/src/main/java/com/fjordtek/bookstore/web/BookController.java

@@ -3,6 +3,8 @@
 package com.fjordtek.bookstore.web;
 
 import java.time.Year;
+import java.util.HashMap;
+import java.util.Map;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.validation.Valid;
@@ -32,6 +34,20 @@ public class BookController {
 	private static final String bookDeletePageView    = "bookdelete";
 	private static final String bookEditPageView      = "bookedit";
 
+	private static String currency_symbol 			  = "€";
+
+	private Map<String,String> globalModelMap = new HashMap<String,String>() {
+		private static final long serialVersionUID = 1L;
+	{
+		put("indexpage",  landingPageView);
+		put("listpage",   bookListPageView);
+		put("addpage",    bookAddPageView);
+		put("deletepage", bookDeletePageView);
+		put("editpage",   bookEditPageView);
+
+		put("currency_symbol", currency_symbol);
+	}};
+
 	private HttpServerLogger     httpServerLogger     = new HttpServerLogger();
 	//private HttpExceptionHandler httpExceptionHandler = new HttpExceptionHandler();
 
@@ -41,6 +57,13 @@ public class BookController {
 	@Autowired
 	private CategoryRepository   categoryRepository;
 
+	@ModelAttribute
+	public void globalAttributes(Model dataModel) {
+
+		// Security implications of adding these all?
+		dataModel.addAllAttributes(globalModelMap);
+	}
+
 	//////////////////////////////
 	// LIST PAGE
 	@RequestMapping(
@@ -51,10 +74,6 @@ public class BookController {
 
 		dataModel.addAttribute("books", bookRepository.findAll());
 
-		dataModel.addAttribute("deletepage", bookDeletePageView);
-		dataModel.addAttribute("editpage",   bookEditPageView);
-		dataModel.addAttribute("addpage",    bookAddPageView);
-
 		httpServerLogger.logMessageNormal(
 				requestData,
 				bookListPageView + ": " + "HTTPOK"
@@ -80,9 +99,6 @@ public class BookController {
 		dataModel.addAttribute("book", new Book());
 		dataModel.addAttribute("categories", categoryRepository.findAll());
 
-		dataModel.addAttribute("addpage",    bookAddPageView);
-		dataModel.addAttribute("listpage",   bookListPageView);
-
 		if (newBook.getYear() == 0) {
 			newBook.setYear(Year.now().getValue());
 		}
@@ -160,8 +176,6 @@ public class BookController {
 		dataModel.addAttribute("book", book);
 		dataModel.addAttribute("categories", categoryRepository.findAll());
 
-		dataModel.addAttribute("listpage",   bookListPageView);
-
 		httpServerLogger.logMessageNormal(
 				requestData,
 				bookEditPageView + ": " + "HTTPOK"

bookstore/src/main/resources/templates/bookadd.html

@@ -39,7 +39,7 @@
     			<label for="BookPrice">Price</label>
     			<div class="input-group mb-2">
     				 <div class="input-group-prepend">
-    				 	<div class="input-group-text">€</div>
+    				 	<div class="input-group-text" th:text="${currency_symbol}"></div>
     				 </div>
     				<input class="form-control" type="text" th:field="*{price}" placeholder="Book price"/>
     			</div>

bookstore/src/main/resources/templates/bookedit.html

@@ -39,7 +39,7 @@
     			<label for="fname">Price</label>
     			<div class="input-group mb-2">
     				 <div class="input-group-prepend">
-    				 	<div class="input-group-text">€</div>
+    				 	<div class="input-group-text" th:text="${currency_symbol}"></div>
     				 </div>
     				<input class="form-control" type="text" th:field="*{price}" placeholder="Book price"/>
     			</div>

bookstore/src/main/resources/templates/booklist.html

@@ -26,7 +26,7 @@
 				<td th:text="${book.isbn}"></td>
 				<td th:text="${book.year}"></td>
 				<td th:text="${book.category.getName()}"></td>
-				<td th:text="${#numbers.formatDecimal(book.price, 1, 2)}"></td>
+				<td th:text="${#numbers.formatDecimal(book.price, 1, 2)}+ ' ' + ${currency_symbol}"></td>
 				<td><a class="btn btn-danger"
 				th:attr="onclick='javascript:return confirm(\'' + 'Delete book: ' + ${book.title} + '?' + '\');'"
 					th:href="@{__${deletepage}__/{id}(id=${book.id})}">Delete</a></td>
@@ -35,7 +35,7 @@
 			</tr>
 		</table>
 		<div>
-			<a class="btn btn-success" href="@{__${addpage}__}">Add Book</a>
+			<a class="btn btn-success" th:href="@{__${addpage}__}">Add Book</a>
 		</div>
 	</div>
 </body>