chore: build

backend/internal/modules/users/handler.go

@@ -18,13 +18,13 @@ func NewHandler(service *Service) *Handler {
 
 type userResponse struct {
 	ID       uuid.UUID `json:"id"`
-	Email    string    `json:"email"`
+	Username string    `json:"username"`
 	Role     string    `json:"role"`
 	IsActive bool      `json:"is_active"`
 }
 
 func toResponse(u *User) userResponse {
-	return userResponse{ID: u.ID, Email: u.Email, Role: u.Role, IsActive: u.IsActive}
+	return userResponse{ID: u.ID, Username: u.Username, Role: u.Role, IsActive: u.IsActive}
 }
 
 func (h *Handler) List(c *gin.Context) {
@@ -41,7 +41,7 @@ func (h *Handler) List(c *gin.Context) {
 }
 
 type createUserRequest struct {
-	Email    string `json:"email" binding:"required,email"`
+	Username string `json:"username" binding:"required,min=3,max=50"`
 	Password string `json:"password" binding:"required,min=12"`
 	Role     string `json:"role" binding:"required,oneof=admin customer"`
 }
@@ -52,11 +52,17 @@ func (h *Handler) Create(c *gin.Context) {
 		c.JSON(http.StatusBadRequest, gin.H{"error": "validation error", "details": err.Error()})
 		return
 	}
-
-	user, err := h.service.Create(c.Request.Context(), req.Email, req.Password, req.Role)
+	user, err := h.service.Create(c.Request.Context(), req.Username, req.Password, req.Role)
 	if err != nil {
-		if errors.Is(err, ErrEmailTaken) {
-			c.JSON(http.StatusConflict, gin.H{"error": "email already in use"})
+		if errors.Is(err, ErrAdminLimitReached) {
+			c.JSON(http.StatusConflict, gin.H{"error": "admin limit reached"})
+		}
+		if errors.Is(err, ErrUsernameTaken) {
+			c.JSON(http.StatusConflict, gin.H{"error": "username already in use"})
+			return
+		}
+		if errors.Is(err, ErrCustomerAccountsDisabled) {
+			c.JSON(http.StatusForbidden, gin.H{"error": "customer accounts are disabled: enable customer login or registration first"})
 			return
 		}
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to create user"})
@@ -83,8 +89,27 @@ func (h *Handler) Get(c *gin.Context) {
 	c.JSON(http.StatusOK, toResponse(user))
 }
 
+func (h *Handler) GetRole(c *gin.Context) {
+	role := c.Param("role")
+
+	if role == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid role"})
+		return
+	}
+
+	count, err := h.service.CountByRole(c.Request.Context(), role)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{
+			"error": "failed to count users",
+		})
+		return
+	}
+
+	c.JSON(http.StatusOK, count)
+}
+
 type updateUserRequest struct {
-	Email    string `json:"email" binding:"required,email"`
+	Username string `json:"username" binding:"required,min=3,max=50"`
 	IsActive bool   `json:"is_active"`
 }
 
@@ -100,14 +125,14 @@ func (h *Handler) Update(c *gin.Context) {
 		return
 	}
 
-	user, err := h.service.UpdateProfile(c.Request.Context(), id, req.Email, req.IsActive)
+	user, err := h.service.UpdateProfile(c.Request.Context(), id, req.Username, req.IsActive)
 	if err != nil {
 		if errors.Is(err, ErrNotFound) {
 			c.JSON(http.StatusNotFound, gin.H{"error": "user not found"})
 			return
 		}
-		if errors.Is(err, ErrEmailTaken) {
-			c.JSON(http.StatusConflict, gin.H{"error": "email already in use"})
+		if errors.Is(err, ErrUsernameTaken) {
+			c.JSON(http.StatusConflict, gin.H{"error": "username already in use"})
 			return
 		}
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to update user"})