added a search bar to the page with all of the files

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

@@ -97,4 +97,11 @@ public class FileViewController {
             return "redirect:/file/" + id;
         }
     }
+
+    @GetMapping("/search")
+    public String searchFiles(String query, Model model) {
+        List<FileEntity> files = fileService.searchFiles(query);
+        model.addAttribute("files", files);
+        return "listFiles";
+    }
 }

src/main/java/org/rostislav/quickdrop/repository/FileRepository.java

@@ -13,7 +13,9 @@ public interface FileRepository extends JpaRepository<FileEntity, Long> {
     @Query("SELECT f FROM FileEntity f WHERE f.uuid = :uuid")
     Optional<FileEntity> findByUUID(@Param("uuid") String uuid);
 
-    //Get files that are not marked to be kept indefinitely and were uploaded more than maxFileAge days ago
     @Query("SELECT f FROM FileEntity f WHERE f.keepIndefinitely = false AND f.uploadDate < :thresholdDate")
     List<FileEntity> getFilesForDeletion(@Param("thresholdDate") LocalDate thresholdDate);
+
+    @Query("SELECT f FROM FileEntity f WHERE f.name LIKE %:searchString% OR f.description LIKE %:searchString% OR f.uuid LIKE %:searchString%")
+    List<FileEntity> searchFiles(@Param("searchString") String searchString);
 }

src/main/java/org/rostislav/quickdrop/service/FileService.java

@@ -201,4 +201,8 @@ public class FileService {
         FileEntity fileEntity = referenceByUUID.get();
         return passwordEncoder.matches(password, fileEntity.passwordHash);
     }
+
+    public List<FileEntity> searchFiles(String query) {
+        return fileRepository.searchFiles(query);
+    }
 }

src/main/resources/templates/listFiles.html

@@ -39,6 +39,19 @@
 <!-- Main Content -->
 <div class="container mt-5">
     <h1 class="text-center mb-4">All Files</h1>
+    <!-- Search Bar Section -->
+    <div class="row mb-4">
+        <div class="col-12 col-md-8 offset-md-2">
+            <form action="/file/search" method="GET">
+                <div class="input-group">
+                    <input aria-describedby="search-button" aria-label="Search for files" class="form-control" name="query"
+                           placeholder="Search for files..." type="text">
+                    <button class="btn btn-primary" id="search-button" type="submit">Search</button>
+                </div>
+            </form>
+        </div>
+    </div>
+
     <div class="row">
         <div class="col-12 col-sm-6 col-md-4 col-lg-3 mb-4" th:each="file : ${files}">
             <div class="card h-100 shadow">