feat(API): optional display name on users

api/dependecyInjection.go

@@ -33,6 +33,7 @@ type UseCases struct {
 	CancelRegistrationUseCase   *useCases.CancelRegistrationUseCase
 	RequestPasswordResetUseCase *useCases.RequestPasswordResetUseCase
 	ResetPasswordUseCase        *useCases.ResetPasswordUseCase
+	UpdateUserProfileUseCase    *useCases.UpdateUserProfileUseCase
 	ListUsersUseCase            *useCases.ListUsersUseCase
 	SendMailUseCase             *useCases.SendMailUseCase
 	CreateImageUseCase          *useCases.CreateImageUseCase
@@ -88,6 +89,7 @@ func getUseCases(repos *Repositories, settings config.Settings) *UseCases {
 		CancelRegistrationUseCase:   useCases.NewCancelRegistrationUseCase(repos.UserRepo),
 		RequestPasswordResetUseCase: useCases.NewRequestPasswordResetUseCase(repos.UserRepo, hasher, repos.MailRepo, settings.PublicURL),
 		ResetPasswordUseCase:        useCases.NewResetPasswordUseCase(repos.UserRepo, hasher),
+		UpdateUserProfileUseCase:    useCases.NewUpdateUserProfileUseCase(repos.UserRepo),
 		ListUsersUseCase:            useCases.NewListUsersUseCase(repos.UserRepo),
 		SendMailUseCase:             useCases.NewSendMailUseCase(repos.MailRepo),
 		CreateImageUseCase:          useCases.NewCreateImageUseCase(repos.ImageRepo),

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)
+}

api/pkg/apperr/messages.go

@@ -5,6 +5,7 @@ const BodyErrorMessage = "The request cannot be processed due to a mismatch in t
 const IdUint32ErrorMessage = "The server expects the ID to be in the format of an unsigned 32-bit integer (uint32)."
 const ArticleNotFoundErrorMessage = "Article not found"
 const ImageNotFoundErrorMessage = "Image not found"
+const DisplayNameErrorMessage = "Display name must be 60 characters or fewer."
 const ArticleTitleErrorMessage = "Article title must be between 3 and 200 characters."
 const RegistrationClosedErrorMessage = "You are not allowed to create a user. Log in or reset database."
 const RegistrationFailedErrorMessage = "Registration failed. Please try again later."

api/pkg/publicuser/publicUser.go

@@ -0,0 +1,28 @@
+package publicuser
+
+import (
+	"RenewCMS/internal/domain/user"
+	"time"
+)
+
+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"`
+	DisplayName string    `json:"display_name"`
+}
+
+func New(u user.User) PublicUser {
+	return PublicUser{
+		ID:          u.ID,
+		Username:    u.Username,
+		Email:       u.Email,
+		IsVerified:  u.IsVerified,
+		CreatedAt:   u.CreatedAt,
+		UpdatedAt:   u.UpdatedAt,
+		DisplayName: u.DisplayName,
+	}
+}

api/router.go

@@ -6,6 +6,7 @@ import (
 	"RenewCMS/api/handlers/frontend"
 	"RenewCMS/api/handlers/image"
 	"RenewCMS/api/handlers/staticimages"
+	"RenewCMS/api/handlers/user"
 	"RenewCMS/api/middleware"
 	"RenewCMS/internal/infrastructure/config"
 	"encoding/json"
@@ -87,6 +88,19 @@ func NewAuthRouter(container *UseCases, isProduction bool, rateLimit config.Auth
 	return r
 }
 
+func NewUserRouter(container *UseCases) http.Handler {
+	r := chi.NewRouter()
+
+	userHandler := user.NewHandler(container.UpdateUserProfileUseCase)
+
+	r.Use(jwtauth.Verifier(container.Token))
+	r.Use(jwtauth.Authenticator(container.Token))
+	r.Use(middleware.RequireCurrentToken(container.GetUserUseCase))
+	r.Use(middleware.RequireVerifiedUser(container.GetUserUseCase))
+	r.Patch("/me", userHandler.UpdateMe)
+	return r
+}
+
 func InitBackendRoutes(container *UseCases, settings config.Settings) *chi.Mux {
 	r := chi.NewRouter()
 
@@ -99,6 +113,7 @@ func InitBackendRoutes(container *UseCases, settings config.Settings) *chi.Mux {
 		r.Use(jwtauth.Verifier(container.Token))
 		r.Mount("/article", NewArticleRouter(container))
 	})
+	r.Mount("/user", NewUserRouter(container))
 	r.Mount("/auth", NewAuthRouter(container, settings.IsProduction(), settings.AuthRateLimit, settings.TrustedProxies))
 
 	return r