feat: add user centric features

internal/handler/user.go

@@ -2,10 +2,12 @@ package handler
 
 import (
 	"encoding/json"
+	"errors"
 	"net/http"
 	"strings"
 
 	"github.com/prabhupadasays/spsays-bff/internal/middleware"
+	"github.com/prabhupadasays/spsays-bff/internal/repository"
 	"github.com/prabhupadasays/spsays-bff/internal/service"
 	"github.com/prabhupadasays/spsays-bff/pkg/response"
 )
@@ -26,9 +28,10 @@ func NewUserHandler(svc *service.UserService) *UserHandler {
 type updateProfileReq struct {
 	Name      *string `json:"name"`
 	AvatarURL *string `json:"avatar_url"`
+	Handle    *string `json:"handle"`
 }
 
-// UpdateProfile patches name and/or avatar.
+// UpdateProfile patches name, avatar, and/or handle.
 func (h *UserHandler) UpdateProfile(w http.ResponseWriter, r *http.Request) {
 	uid := middleware.UserID(r.Context())
 
@@ -38,8 +41,12 @@ func (h *UserHandler) UpdateProfile(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	u, err := h.svc.UpdateProfile(r.Context(), uid, req.Name, req.AvatarURL)
+	u, err := h.svc.UpdateProfile(r.Context(), uid, req.Name, req.AvatarURL, req.Handle)
 	if err != nil {
+		if errors.Is(err, repository.ErrHandleTaken) {
+			response.Error(w, http.StatusConflict, "that handle is already in use")
+			return
+		}
 		response.Error(w, http.StatusBadRequest, err.Error())
 		return
 	}