diff --git a/src/main/java/myapi/api/Controller/TaskController.java b/src/main/java/myapi/api/Controller/TaskController.java
index 64292d5..59fb2e3 100644
--- a/src/main/java/myapi/api/Controller/TaskController.java
+++ b/src/main/java/myapi/api/Controller/TaskController.java
@@ -1,26 +1,44 @@
 package myapi.api.Controller;
 
 import java.util.List;
-
+import myapi.api.Model.Task;
+import myapi.api.Repository.TaskRepository;
+import myapi.api.Service.TaskService;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
-import myapi.api.Data.Repository.TaskRepository;
-import myapi.api.Model.Task;
-
 @RestController
 @RequestMapping("/task")
 public class TaskController {
-    private final TaskRepository taskRepository;
 
-    public TaskController(TaskRepository repository){
-        this.taskRepository = repository;
-    }
+    @Autowired
+    private TaskService taskService;
 
     @GetMapping
-    public List<Task> getTasks(){
-        return this.taskRepository.findAll();
+    public List<Task> getAllTasks() {
+        return taskService.getAllTasks();
     }
-}
\ No newline at end of file
+
+    @PostMapping("/add")
+    public Task addTask(@RequestBody Task task) {
+        return taskService.addTask(task);
+    }
+
+    @PutMapping("/update")
+    public Task updateTask(@RequestBody Task task) {
+        return taskService.updateTask(task);
+    }
+
+    @DeleteMapping("/delete/{id}")
+    public void deleteTask(@PathVariable("id") int idTask) {
+        taskService.deleteTask(idTask);
+    }
+}
diff --git a/src/main/java/myapi/api/Data/Repository/TaskRepository.java b/src/main/java/myapi/api/Repository/TaskRepository.java
similarity index 86%
rename from src/main/java/myapi/api/Data/Repository/TaskRepository.java
rename to src/main/java/myapi/api/Repository/TaskRepository.java
index 512678c..08c1e2c 100644
--- a/src/main/java/myapi/api/Data/Repository/TaskRepository.java
+++ b/src/main/java/myapi/api/Repository/TaskRepository.java
@@ -1,4 +1,4 @@
-package myapi.api.Data.Repository;
+package myapi.api.Repository;
 
 import myapi.api.Model.Task;
 import org.springframework.data.jpa.repository.JpaRepository;
diff --git a/src/main/java/myapi/api/Service/TaskService.java b/src/main/java/myapi/api/Service/TaskService.java
new file mode 100644
index 0000000..929b531
--- /dev/null
+++ b/src/main/java/myapi/api/Service/TaskService.java
@@ -0,0 +1,35 @@
+package myapi.api.Service;
+
+import java.util.List;
+
+import org.springframework.stereotype.Service;
+
+import myapi.api.Model.Task;
+
+public interface TaskService {
+    /**
+     * Récupère toutes les tâches de la database
+     * @return Une liste de tâches
+     */
+    List<Task> getAllTasks();
+
+    /**
+     * Ajoute une nouvelle tâche
+     * @param task La nouvelle tâche
+     * @return La tâche nouvellement créée
+     */
+    Task addTask(Task task);
+
+    /**
+     * Modifie une tâche déjà existante
+     * @param task La tâche à modifier. Il faut que son id existe déjà dans la database
+     * @return La tâche modifiée
+     */
+    Task updateTask(Task task);
+
+    /**
+     * Supprime une tâche existante à partir de son identifiant
+     * @param taskId L'id de la tâche à supprimer
+     */
+    void deleteTask(int taskId);
+}
diff --git a/src/main/java/myapi/api/Service/TaskServiceImpl.java b/src/main/java/myapi/api/Service/TaskServiceImpl.java
new file mode 100644
index 0000000..ffc7e22
--- /dev/null
+++ b/src/main/java/myapi/api/Service/TaskServiceImpl.java
@@ -0,0 +1,42 @@
+package myapi.api.Service;
+
+import java.util.List;
+import java.util.Objects;
+import myapi.api.Model.Task;
+import myapi.api.Repository.TaskRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class TaskServiceImpl implements TaskService {
+
+    @Autowired
+    private TaskRepository taskRepository;
+
+    @Override
+    public List<Task> getAllTasks() {
+        return taskRepository.findAll();
+    }
+
+    @Override
+    public Task addTask(Task task) {
+        return taskRepository.save(task);
+    }
+
+    @Override
+    public Task updateTask(Task task) {
+        Task dbTask = taskRepository.findById(task.getId_task()).get();
+        dbTask.setName_task(task.getName_task());
+        dbTask.setStatus_task(task.getStatus_task());
+        dbTask.setDate_task(task.getDate_task());
+        dbTask.setPriority_task(task.getPriority_task());
+        dbTask.setId_group(task.getId_group());
+
+        return taskRepository.save(dbTask);
+    }
+
+    @Override
+    public void deleteTask(int taskId) {
+        taskRepository.deleteById(taskId);
+    }
+}