Re-write search process: checkboxes!

src/main/java/ru/redrise/marinesco/library/web/SearchController.java

@@ -28,20 +28,42 @@ public class SearchController {
     }
     
     @GetMapping
-    public String requestMethodName(@RequestParam String search, Model model) {
+    public String requestMethodName(@RequestParam String search, 
+        @RequestParam(value = "title", required = false) Boolean title,
+        @RequestParam(value = "series", required = false) Boolean series,
+        @RequestParam(value = "author", required = false) Boolean author,
+        Model model) {
 
         if (search.trim().equals(""))
             return "search";
         
+        if (search.length() < 4){
+            model.addAttribute("error", "Should be at least 4 chars");
+            return "search";
+        }
+
+        if (title != null){
             List<Book> books = inpEntryRepository.findByTitleContainingIgnoreCase(search);
+            if (books.size() != 0)
                 model.addAttribute("books", books);
+            model.addAttribute("isTitle", true);
+        }
         
+        if (series != null){
             List<Book> bookSeries = inpEntryRepository.findBySeriesContainingIgnoreCase(search);
+            if (bookSeries.size() != 0)
                 model.addAttribute("series", bookSeries);
+            model.addAttribute("isSeries", true);
+        }
         
+        if (author != null){
             List<Author> authors = authorRepository.findByAuthorNameContainingIgnoreCase(search);
+            if (authors.size() != 0)
                 model.addAttribute("authors", authors);
+            model.addAttribute("isAuthor", true);
+        }
 
         return "search";
     }
+    
 }

src/main/resources/static/styles/styles.css

@@ -121,6 +121,15 @@ header {
 	padding: 0%;
 }
 
+.search_line{
+	margin-left: 2px; 
+	margin-right: 2px; 
+	margin-top: 7px;
+	margin-bottom: 7px;
+	flex-grow: 1;
+	justify-content: center;
+}
+
 .ul_right_block {
 	margin: 0 !important;
 	padding: 0 !important;
@@ -146,6 +155,20 @@ header {
 	color: #74bfbd;
 }
 
+.search_entry{
+	text-decoration: none;
+	font-variant: small-caps;
+	font-size: 0.75em;
+	text-shadow: -1px -1px 0 #1e1e1e, 1px -1px 0 #1e1e1e, -1px 1px 0 #1e1e1e, 1px 1px 0 #1e1e1e;
+	color: #74bfbd;
+}
+
+.search_checkbox{
+	flex: auto;
+	flex-grow: 1;
+}
+
+
 .header_logo_link:link {
 	color: #74bfbd;
 }
@@ -180,10 +203,10 @@ header {
 
 
 .button-header {
-	margin: 1em 0;
+	margin: 0 0.25em;
 	font-family: sans-serif;
 	font-style: normal;
-	font-weight: normal;
+	font-weight: bold;
 	text-align: center;
 	font-variant: small-caps !important;
 	background-color: #74bfbd !important;

src/main/resources/templates/fragments/header.html

@@ -58,18 +58,34 @@
           </div>
         </nav>
 
-        <nav id="header_menu_block" class="header_entry">
+        <nav id="header_menu_block" class="search_entry wrapper">
           <ul class="ul_right_block">
             <li class="li_header_block">
                 <form action="/search" method="get">
-                <input type="text" name="search">
+                  <div class="wrapper">
+                    <input class="search_line" type="text" name="search">
+                  </div>
+                  <div class="wrapper" style="justify-content: space-evenly; align-items: baseline; ">
+                    <div class="search_checkbox">
+                      <input th:checked="${isTitle}" name="title" type="checkbox" />
+                      <label for="title">Title</label>
+                    </div>
+                    <div class="search_checkbox">
+                      <input th:checked="${isSeries}" name="series" type="checkbox" />
+                      <label for="series">Series</label>
+                    </div>
+                    <div class="search_checkbox">
+                      <input th:checked="${isAuthor}" name="author" type="checkbox" />
+                      <label for="author">Author</label>
+                    </div>
+                    <div class="" style="margin-right: auto;">
                       <button class="button-header" type="submit">Search</button>
+                    </div>
+                  </div>
                 </form>
             </li>
-            
           </ul>
         </nav>
-
     </header>
   </div>
   </div>

src/main/resources/templates/search.html

@@ -12,7 +12,8 @@
     <div class="page">
         <div th:replace="~{fragments/header :: ${#authorization.expression('isAuthenticated()')} ? 'header-auth' : 'header-anon'}"></div>
         <div class="container base">
-            <div th:if="${books} != null">
+            <div class="validationError" th:if="${error != null}" th:text="${error}"></div>
+            <div th:if="${books != null}">
                 <h3>Titles</h3>
                 <div th:each="book : ${books}">
                     <a th:href="${'/book/' + book.id}">
@@ -33,10 +34,9 @@
                     <span th:text="${' (' + book.fileExtension + ' ' + book.fileSizeForHumans + ')'}"></span>
                     <p></p>
                 </div>
-            </div>
-
-            <div th:if="${series} != null">
                 <hr>
+            </div>
+            <div th:if="${series != null}">
                 <h3>Series</h3>
                 <div th:each="book : ${books}">
                     <a th:href="${'/book/' + book.id}">
@@ -57,10 +57,9 @@
                     <span th:text="${' (' + book.fileExtension + ' ' + book.fileSizeForHumans + ')'}"></span>
                     <p></p>
                 </div>
-            </div>
-
-            <div th:if="${authors} != null">
                 <hr>
+            </div>
+            <div th:if="${authors != null}">
                 <h3>Authors</h3>
                 <div th:each="author : ${authors}">
                     <a th:href="${'/author/' + author.id}">