Added user registration

handlers/login.go

@@ -16,17 +16,17 @@ import (
 
 // Validates the username matches a user in the database and the password
 // is correct. Returns the corresponding user
-func validateLogin(conn *sql.DB, r *http.Request) (db.User, error) {
+func validateLogin(conn *sql.DB, r *http.Request) (*db.User, error) {
 	formUsername := r.FormValue("username")
 	formPassword := r.FormValue("password")
 	user, err := db.GetUserFromUsername(conn, formUsername)
 	if err != nil {
-		return db.User{}, errors.Wrap(err, "db.GetUserFromUsername")
+		return nil, errors.Wrap(err, "db.GetUserFromUsername")
 	}
 
 	err = user.CheckPassword(formPassword)
 	if err != nil {
-		return db.User{}, errors.New("Username or password incorrect")
+		return nil, errors.New("Username or password incorrect")
 	}
 	return user, nil
 }
@@ -54,17 +54,19 @@ func HandleLoginRequest(
 			r.ParseForm()
 			user, err := validateLogin(conn, r)
 			if err != nil {
-				form.LoginForm(err.Error()).Render(r.Context(), w)
 				if err.Error() != "Username or password incorrect" {
 					logger.Warn().Caller().Err(err).Msg("Login request failed")
+					w.WriteHeader(http.StatusInternalServerError)
+				} else {
+					form.LoginForm(err.Error()).Render(r.Context(), w)
 				}
 				return
 			}
 
 			rememberMe := checkRememberMe(r)
-			err = cookies.SetTokenCookies(w, r, config, &user, true, rememberMe)
+			err = cookies.SetTokenCookies(w, r, config, user, true, rememberMe)
 			if err != nil {
-				form.LoginForm(err.Error()).Render(r.Context(), w)
+				w.WriteHeader(http.StatusInternalServerError)
 				logger.Warn().Caller().Err(err).Msg("Failed to set token cookies")
 			}