Made index redirect to the upload page

src/main/java/org/rostislav/quickdrop/controller/FileViewController.java

@@ -25,6 +25,11 @@ public class FileViewController {
         this.fileService = fileService;
     }
 
+    @GetMapping("/upload")
+    public String showUploadFile() {
+        return "upload";
+    }
+
     @PostMapping("/upload")
     public String saveFile(@RequestParam("file") MultipartFile file,
                            @RequestParam("description") String description,
@@ -64,8 +69,10 @@ public class FileViewController {
     }
 
     @PostMapping("/extend/{id}")
-    public String extendFile(@PathVariable Long id) {
+    public String extendFile(@PathVariable Long id, Model model) {
         fileService.extendFile(id);
-        return "redirect:/file/list";
+
+        model.addAttribute("file", fileService.getFile(id));
+        return "fileView";
     }
 }

src/main/java/org/rostislav/quickdrop/controller/IndexViewController.java

@@ -0,0 +1,14 @@
+package org.rostislav.quickdrop.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.servlet.view.RedirectView;
+
+@Controller
+public class IndexViewController {
+
+    @GetMapping("/")
+    public RedirectView index() {
+        return new RedirectView("/file/upload");
+    }
+}