add login form

handlers/user.go

@@ -5,6 +5,7 @@ import (
 	"go-weather/middleware"
 	"go-weather/models"
 	"go-weather/services"
+	"log/slog"
 	"net/http"
 	"strings"
 )
@@ -20,17 +21,20 @@ func NewUserHandler(us *services.UserService, as *services.AuthService) *UserHan
 
 func (h *UserHandler) Me(w http.ResponseWriter, r *http.Request) {
 	claims := middleware.GetClaims(r)
+	w.Header().Set("Content-Type", "application/json")
+
 	if claims == nil {
-		http.Error(w, "unauthorized", http.StatusUnauthorized)
+		json.NewEncoder(w).Encode(map[string]any{"user": nil})
+		return
 	}
 
 	user, err := h.userService.GetUserByID(claims.UserID)
 	if err != nil {
-		http.Error(w, "user not found", http.StatusNotFound)
+		json.NewEncoder(w).Encode(map[string]any{"user": nil})
+		return
 	}
 
-	w.Header().Set("Content-Type", "application/json")
-	json.NewEncoder(w).Encode(map[string]interface{}{"user": user})
+	json.NewEncoder(w).Encode(map[string]any{"user": user})
 }
 
 func (h *UserHandler) Register(w http.ResponseWriter, r *http.Request) {
@@ -51,8 +55,8 @@ func (h *UserHandler) Register(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	if len(req.Password) < 8 {
-		http.Error(w, "password must be at least 8 characters", http.StatusBadRequest)
+	if len(req.Password) < 4 {
+		http.Error(w, "password must be at least 4 characters", http.StatusBadRequest)
 		return
 	}
 
@@ -105,6 +109,7 @@ func (h *UserHandler) Login(w http.ResponseWriter, r *http.Request) {
 
 	token, err := h.authService.GenerateToken(user.ID, user.Email)
 	if err != nil {
+		slog.Error("failed to generate token", "user_id", user.ID, "error", err)
 		http.Error(w, "failed to generate token", http.StatusInternalServerError)
 		return
 	}