feat(API): optional display name on users

api/handlers/auth/meHandler.go

@@ -3,6 +3,7 @@ package auth
 import (
 	"RenewCMS/api/pkg/apperr"
 	"RenewCMS/api/pkg/claims"
+	"RenewCMS/api/pkg/publicuser"
 	"RenewCMS/internal/domain/user"
 	"RenewCMS/internal/infrastructure/useCases"
 	"encoding/json"
@@ -37,7 +38,7 @@ func (h *MeHandler) Me(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	body, err := json.Marshal(newPublicUser(loadedUser))
+	body, err := json.Marshal(publicuser.New(loadedUser))
 	if err != nil {
 		http.Error(w, "Internal server error", http.StatusInternalServerError)
 		return

api/handlers/auth/verificationHandler.go

@@ -3,13 +3,13 @@ package auth
 import (
 	"RenewCMS/api/pkg/apperr"
 	"RenewCMS/api/pkg/claims"
+	"RenewCMS/api/pkg/publicuser"
 	validator "RenewCMS/api/pkg/validator"
 	"RenewCMS/internal/domain/user"
 	"RenewCMS/internal/infrastructure/useCases"
 	"encoding/json"
 	"errors"
 	"net/http"
-	"time"
 )
 
 type VerificationHandler struct {
@@ -22,26 +22,6 @@ type VerifyCredentials struct {
 	Code string `json:"code" validate:"required"`
 }
 
-type PublicUser struct {
-	ID         uint32    `json:"id"`
-	Username   string    `json:"username"`
-	Email      string    `json:"email"`
-	IsVerified bool      `json:"is_verified"`
-	CreatedAt  time.Time `json:"created_at"`
-	UpdatedAt  time.Time `json:"updated_at"`
-}
-
-func newPublicUser(u user.User) PublicUser {
-	return PublicUser{
-		ID:         u.ID,
-		Username:   u.Username,
-		Email:      u.Email,
-		IsVerified: u.IsVerified,
-		CreatedAt:  u.CreatedAt,
-		UpdatedAt:  u.UpdatedAt,
-	}
-}
-
 func NewVerificationHandler(verify *useCases.VerifyUserUseCase, cancel *useCases.CancelRegistrationUseCase, isProduction bool) *VerificationHandler {
 	return &VerificationHandler{
 		VerifyUseCase: verify,
@@ -84,7 +64,7 @@ func (h *VerificationHandler) Verify(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	body, err := json.Marshal(newPublicUser(verifiedUser))
+	body, err := json.Marshal(publicuser.New(verifiedUser))
 	if err != nil {
 		http.Error(w, "Internal server error", http.StatusInternalServerError)
 		return

api/handlers/user/userHandler.go

@@ -0,0 +1,70 @@
+package user
+
+import (
+	"RenewCMS/api/pkg/apperr"
+	"RenewCMS/api/pkg/claims"
+	"RenewCMS/api/pkg/publicuser"
+	validator "RenewCMS/api/pkg/validator"
+	"RenewCMS/internal/domain/user"
+	"RenewCMS/internal/infrastructure/useCases"
+	"encoding/json"
+	"errors"
+	"net/http"
+)
+
+type Handler struct {
+	UpdateProfileUseCase *useCases.UpdateUserProfileUseCase
+}
+
+type UpdateProfileRequest struct {
+	DisplayName *string `json:"display_name" validate:"required"`
+}
+
+func NewHandler(updateProfile *useCases.UpdateUserProfileUseCase) *Handler {
+	return &Handler{
+		UpdateProfileUseCase: updateProfile,
+	}
+}
+
+func (h *Handler) UpdateMe(w http.ResponseWriter, r *http.Request) {
+	var request UpdateProfileRequest
+	err := json.NewDecoder(r.Body).Decode(&request)
+	if err != nil {
+		http.Error(w, apperr.BodyErrorMessage, http.StatusBadRequest)
+		return
+	}
+
+	err = validator.Validate.Struct(request)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	userId, ok := claims.UserId(r)
+	if !ok {
+		http.Error(w, apperr.UnauthorizedErrorMessage, http.StatusUnauthorized)
+		return
+	}
+
+	updatedUser, err := h.UpdateProfileUseCase.UpdateDisplayName(userId, *request.DisplayName)
+	if err != nil {
+		if errors.Is(err, user.ErrInvalidDisplayName) {
+			http.Error(w, apperr.DisplayNameErrorMessage, http.StatusBadRequest)
+			return
+		}
+		if errors.Is(err, user.ErrUserNotFound) {
+			http.Error(w, apperr.UnauthorizedErrorMessage, http.StatusUnauthorized)
+			return
+		}
+		http.Error(w, "Internal server error", http.StatusInternalServerError)
+		return
+	}
+
+	body, err := json.Marshal(publicuser.New(updatedUser))
+	if err != nil {
+		http.Error(w, "Internal server error", http.StatusInternalServerError)
+		return
+	}
+	w.Header().Set("Cache-Control", "no-store")
+	_, _ = w.Write(body)
+}