diff --git a/API_SQLuedo/API/Controllers/LessonsController.cs b/API_SQLuedo/API/Controllers/LessonsController.cs
index eaaec1b..3f92a8f 100644
--- a/API_SQLuedo/API/Controllers/LessonsController.cs
+++ b/API_SQLuedo/API/Controllers/LessonsController.cs
@@ -13,29 +13,29 @@ namespace API.Controllers
     [ApiController]
     public class LessonsController : Controller
     {
-        private ILessonService<LessonDTO> _lessonDataService;
+        private IdataService<UserDTO, LessonDTO, InquiryDTO, ParagraphDTO, SuccessDTO> _dataService;
 
         private readonly ILogger<LessonsController> _logger;
 
-        public LessonsController(ILessonService<LessonDTO> lessonDataService, ILogger<LessonsController> logger)
+        public LessonsController(IdataService<UserDTO, LessonDTO, InquiryDTO, ParagraphDTO, SuccessDTO> dataService, ILogger<LessonsController> logger)
         {
-            _lessonDataService = lessonDataService;
+            _dataService = dataService;
             _logger = logger;
         }
 
         [HttpGet("lessons/{page}/{number}/{orderCriteria}")]
         [ProducesResponseType(typeof(LessonDTO), 200)]
         [ProducesResponseType(typeof(string), 204)]
-        public IActionResult GetLessons(int page, int number, LessonOrderCriteria orderCriteria)
+        public async Task<IActionResult> GetLessons(int page, int number, LessonOrderCriteria orderCriteria)
         {
-            var nbLesson = _lessonDataService.GetLessons(page, number, orderCriteria).Count();
+            var nbLesson =  (await _dataService.lessonService.GetItems(page, number, orderCriteria)).Count();
             if (nbLesson == 0)
             {
                 _logger.LogError("[ERREUR] Aucune leçon trouvée.");
                 return StatusCode(204);
             }
             _logger.LogInformation("[INFORMATION] {nb} Leçon(s) trouvée(s)", nbLesson);
-            return Ok(_lessonDataService.GetLessons(page, number, orderCriteria));
+            return Ok(_dataService.lessonService.GetLessons(page, number, orderCriteria));
         }
 
         [HttpGet("lesson/{id:int}")]
@@ -46,7 +46,7 @@ namespace API.Controllers
             try
             {
                 _logger.LogInformation("[INFORMATION] La leçon avec l'id {id} a été trouvé.", id);
-                return Ok(_lessonDataService.GetLessonById(id));
+                return Ok(_dataService.lessonService.GetLessonById(id));
             }
             catch (ArgumentException)
             {
@@ -63,7 +63,7 @@ namespace API.Controllers
             try
             {
                 _logger.LogInformation("[INFORMATION] La leçon avec le titre {title} a été trouvé.", title);
-                return Ok(_lessonDataService.GetLessonByTitle(title));
+                return Ok(_dataService.lessonService.GetLessonByTitle(title));
             }
             catch (ArgumentException)
             {
@@ -77,11 +77,11 @@ namespace API.Controllers
         [ProducesResponseType(typeof(string), 404)]
         public IActionResult DeleteLesson(int id)
         {
-            var success = _lessonDataService.DeleteLesson(id);
+            var success = _dataService.lessonService.DeleteLesson(id);
             if (success)
             {
                 _logger.LogInformation("[INFORMATION] La leçon avec l'id {id} a été supprimé.", id);
-                return Ok(_lessonDataService.DeleteLesson(id));
+                return Ok(_dataService.lessonService.DeleteLesson(id));
             }
             else
             {
@@ -101,7 +101,7 @@ namespace API.Controllers
                 return BadRequest();
             }
             _logger.LogInformation("[INFORMATION] Une leçon a été créé : title - {title}, lastPublisher - {publisher}, lastEdit - {lastEdit}", dto.Title, dto.LastPublisher, dto.LastEdit);
-            return Created(nameof(GetLessons), _lessonDataService.CreateLesson(dto.Title, dto.LastPublisher, dto.LastEdit));
+            return Created(nameof(GetLessons), _dataService.lessonService.CreateLesson(dto.Title, dto.LastPublisher, dto.LastEdit));
         }
 
         [HttpPut("lesson/{id}")]
@@ -123,7 +123,7 @@ namespace API.Controllers
             if (lessonDTO != null)
             {
                 _logger.LogInformation("[INFORMATION] La mise à jour de la leçon avec l'id {id} a été effectuée", id);
-                return Ok(_lessonDataService.UpdateLesson(id, lessonDTO));
+                return Ok(_dataService.lessonService.UpdateLesson(id, lessonDTO));
             }
             _logger.LogError("[ERREUR] Aucune leçon trouvée avec l'id {id}.", id);
             return NotFound();
diff --git a/API_SQLuedo/API/Service/LessonDataServiceAPI.cs b/API_SQLuedo/API/Service/LessonDataServiceAPI.cs
index 7b26363..9ce2999 100644
--- a/API_SQLuedo/API/Service/LessonDataServiceAPI.cs
+++ b/API_SQLuedo/API/Service/LessonDataServiceAPI.cs
@@ -23,4 +23,24 @@ public class LessonDataServiceApi(ILessonService<LessonEntity> lessonService) :
 
     public LessonEntity CreateLesson(string title, string lastPublisher, DateOnly? lastEdit) =>
         lessonService.CreateLesson(title, lastPublisher, lastEdit);
+
+    public Task<LessonEntity?> AddItem(LessonEntity? item)
+    {
+       return lessonService.AddItem(item);
+    }
+
+    public Task<bool> DeleteItem(int id)
+    {
+        return lessonService.DeleteItem(id);
+    }
+
+    public Task<LessonEntity> UpdateItem<TDto>(int? id, TDto? newItem) where TDto : class
+    {
+        return lessonService.UpdateItem(id, newItem);
+    }
+
+    public Task<IEnumerable<LessonEntity>> GetItems(int page, int count, object? orderCriteria = null, string? filter = null, object? valueFilter = null)
+    {
+        return lessonService.GetItems(page, count, orderCriteria, filter, valueFilter);
+    }
 }
\ No newline at end of file