404 errors fix

internal/web_server/handlers/hierarchy_handler.go

@@ -18,6 +18,11 @@ type createCourseSubCategoryReq struct {
 	IsActive     *bool   `json:"is_active"`
 }
 
+type createCourseCategoryReq struct {
+	Name     string `json:"name"`
+	IsActive *bool  `json:"is_active"`
+}
+
 type createLevelReq struct {
 	CourseID     int64  `json:"course_id"`
 	CEFRLevel    string `json:"cefr_level"`
@@ -111,6 +116,68 @@ func intOrNil(v *int32) interface{} {
 	return *v
 }
 
+// ListCourseCategories godoc
+// @Summary List course categories
+// @Description Legacy-compatible endpoint for listing course categories
+// @Tags course-management
+// @Produce json
+// @Success 200 {object} domain.Response
+// @Failure 500 {object} domain.ErrorResponse
+// @Router /api/v1/course-management/categories [get]
+func (h *Handler) ListCourseCategories(c *fiber.Ctx) error {
+	rows, err := h.analyticsDB.GetAllCourseCategories(c.Context(), dbgen.GetAllCourseCategoriesParams{
+		Offset: pgtype.Int4{Int32: 0, Valid: true},
+		Limit:  pgtype.Int4{Int32: 10000, Valid: true},
+	})
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).JSON(domain.ErrorResponse{Message: "Failed to load categories", Error: err.Error()})
+	}
+
+	total := 0
+	if len(rows) > 0 {
+		total = int(rows[0].TotalCount)
+	}
+
+	return c.JSON(domain.Response{
+		Message: "Categories retrieved successfully",
+		Data: map[string]interface{}{
+			"categories":  rows,
+			"total_count": total,
+		},
+	})
+}
+
+// CreateCourseCategory godoc
+// @Summary Create course category
+// @Description Legacy-compatible endpoint for creating a course category
+// @Tags course-management
+// @Accept json
+// @Produce json
+// @Param body body createCourseCategoryReq true "Create category payload"
+// @Success 201 {object} domain.Response
+// @Failure 400 {object} domain.ErrorResponse
+// @Failure 500 {object} domain.ErrorResponse
+// @Router /api/v1/course-management/categories [post]
+func (h *Handler) CreateCourseCategory(c *fiber.Ctx) error {
+	var req createCourseCategoryReq
+	if err := c.BodyParser(&req); err != nil {
+		return c.Status(fiber.StatusBadRequest).JSON(domain.ErrorResponse{Message: "Invalid request body", Error: err.Error()})
+	}
+	if strings.TrimSpace(req.Name) == "" {
+		return c.Status(fiber.StatusBadRequest).JSON(domain.ErrorResponse{Message: "name is required"})
+	}
+
+	created, err := h.analyticsDB.CreateCourseCategory(c.Context(), dbgen.CreateCourseCategoryParams{
+		Name:    req.Name,
+		Column2: boolOrNil(req.IsActive),
+	})
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).JSON(domain.ErrorResponse{Message: "Failed to create category", Error: err.Error()})
+	}
+
+	return c.Status(fiber.StatusCreated).JSON(domain.Response{Message: "Course category created", Data: created})
+}
+
 // UnifiedHierarchy godoc
 // @Summary Get unified course hierarchy
 // @Description Returns full hierarchy: category -> sub-category -> course

internal/web_server/routes.go

@@ -79,6 +79,8 @@ func (a *App) initAppRoutes() {
 	groupV1.Get("/assessment/questions/:id", h.GetAssessmentQuestionByID)
 
 	// Unified Course Management (single hierarchy model)
+	groupV1.Get("/course-management/categories", a.authMiddleware, a.RequirePermission("learning_tree.get"), h.ListCourseCategories)
+	groupV1.Post("/course-management/categories", a.authMiddleware, a.RequirePermission("course_categories.create"), h.CreateCourseCategory)
 	groupV1.Get("/course-management/hierarchy", a.authMiddleware, a.RequirePermission("learning_tree.get"), h.UnifiedHierarchy)
 	groupV1.Get("/course-management/courses/:courseId/hierarchy", a.authMiddleware, a.RequirePermission("learning_tree.get"), h.UnifiedHierarchyByCourse)
 	groupV1.Post("/course-management/sub-categories", a.authMiddleware, a.RequirePermission("course_categories.create"), h.CreateCourseSubCategory)