feat: delete task ok

issue #46

java-api/src/main/java/br/com/tasknoteapp/java_api/controller/TaskController.java

@@ -148,8 +148,40 @@ public class TaskController {
     return ResponseEntity.status(HttpStatus.CREATED).body(TaskResponse.fromEntity(createdTask));
   }
 
-  @DeleteMapping
-  public String deleteTasks() {
-    return "Delete Tasks";
+  /**
+   * Delete a task given its ID.
+   *
+   * @param id Task identification.
+   * @throws TaskNotFoundException when task not found.
+   */
+  @DeleteMapping("/{id}")
+  @Operation(
+      summary = "Delete a task",
+      description = "Delete a task given its ID.",
+      responses = {
+        @ApiResponse(
+            responseCode = "204",
+            description = "Task successfully deleted",
+            content = @Content(schema = @Schema(implementation = Void.class))),
+        @ApiResponse(
+            responseCode = "403",
+            description = "Forbidden. Access Denied",
+            content = @Content(schema = @Schema(implementation = Void.class))),
+        @ApiResponse(
+            responseCode = "404",
+            description = "Task not found",
+            content = @Content(schema = @Schema(implementation = Void.class)))
+      })
+  public ResponseEntity<Void> deleteTasks(
+      @Parameter(
+              name = "id",
+              in = ParameterIn.PATH,
+              description = "Task id to be patched.",
+              required = true,
+              schema = @Schema(type = "integer", format = "int64"))
+          @PathVariable
+          Long id) {
+    taskService.deleteTask(id);
+    return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
   }
 }

java-api/src/main/java/br/com/tasknoteapp/java_api/service/TaskService.java

@@ -15,7 +15,5 @@ public interface TaskService {
 
   public TaskResponse patchTask(Long taskId, TaskPatchRequest taskRequest);
 
-  public void updateTaskDone(Long taskId);
-
   public void deleteTask(Long taskId);
 }

java-api/src/main/java/br/com/tasknoteapp/java_api/service/impl/TaskServiceImpl.java

@@ -69,8 +69,8 @@ class TaskServiceImpl implements TaskService {
     return created;
   }
 
-  @Transactional
   @Override
+  @Transactional
   public TaskResponse patchTask(Long taskId, TaskPatchRequest patch) {
     UserEntity user = getCurrentUser();
 
@@ -114,15 +114,28 @@ class TaskServiceImpl implements TaskService {
   }
 
   @Override
-  public void updateTaskDone(Long taskId) {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'updateTaskDone'");
-  }
-
-  @Override
+  @Transactional
   public void deleteTask(Long taskId) {
-    // TODO Auto-generated method stub
-    throw new UnsupportedOperationException("Unimplemented method 'deleteTask'");
+    UserEntity user = getCurrentUser();
+
+    log.info("Deleting task {} to user {}", taskId, user.getId());
+
+    Optional<TaskEntity> task = taskRepository.findById(taskId);
+    if (task.isEmpty()) {
+      throw new TaskNotFoundException();
+    }
+
+    List<TaskUrlEntity> urls = task.get().getUrls();
+    if (!urls.isEmpty()) {
+      taskUrlRepository.deleteAll(urls);
+      log.info("Deleted {} urls from task {}", urls.size(), taskId);
+    } else {
+      log.info("No urls to delete for task {}", taskId);
+    }
+
+    taskRepository.delete(task.get());
+
+    log.info("Task deleted! Id {}", taskId);
   }
 
   private UserEntity getCurrentUser() {

java-api/src/main/java/br/com/tasknoteapp/java_api/util/AuthUtil.java

@@ -7,16 +7,21 @@ import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.stereotype.Component;
 
+/** This class contains utils methods to handle authentication. */
 @Slf4j
 @Component
 public class AuthUtil {
 
+  /**
+   * Get the current user email, from the security context.
+   *
+   * @return Optional instance containing user email, if found.
+   */
   public Optional<String> getCurrentUserEmail() {
     Authentication auth = SecurityContextHolder.getContext().getAuthentication();
     if (!Objects.isNull(auth) && auth.isAuthenticated()) {
       Object principal = auth.getPrincipal();
       if (principal instanceof String userEmail) {
-        log.info("Auth email: {}", userEmail);
         return Optional.of(userEmail);
       }
     }