Prefs managing mostly done

main.go

@@ -135,7 +135,8 @@ func main() { // {{{
 	http.HandleFunc("/offline", pageOffline)
 
 	http.HandleFunc("/user/authenticate", AuthManager.AuthenticationHandler)
-	http.HandleFunc("/user/preferences", authenticated(actionUserPreferences))
+	http.HandleFunc("GET /user/preferences", authenticated(actionUserGetPreferences))
+	http.HandleFunc("POST /user/preferences", authenticated(actionUserSetPreferences))
 
 	http.HandleFunc("/sync/from_server/count/{sequence}", authenticated(actionSyncFromServerCount))
 	http.HandleFunc("/sync/from_server/{sequence}/{offset}", authenticated(actionSyncFromServer))
@@ -268,7 +269,7 @@ func actionSyncFromServer(w http.ResponseWriter, r *http.Request) { // {{{
 	// The purpose of the Client UUID is to avoid
 	// sending nodes back once again to a client that
 	// just created or modified it.
-	user := getUser(r)
+	user := getUserSession(r)
 	changedFrom, _ := strconv.Atoi(r.PathValue("sequence"))
 	offset, _ := strconv.Atoi(r.PathValue("offset"))
 
@@ -291,7 +292,7 @@ func actionSyncFromServerCount(w http.ResponseWriter, r *http.Request) { // {{{
 	// The purpose of the Client UUID is to avoid
 	// sending nodes back once again to a client that
 	// just created or modified it.
-	user := getUser(r)
+	user := getUserSession(r)
 	changedFrom, _ := strconv.Atoi(r.PathValue("sequence"))
 
 	count, err := NodesCount(user.UserID, uint64(changedFrom), user.ClientUUID)
@@ -311,7 +312,7 @@ func actionSyncFromServerCount(w http.ResponseWriter, r *http.Request) { // {{{
 	w.Write(j)
 } // }}}
 func actionNodeRetrieve(w http.ResponseWriter, r *http.Request) { // {{{
-	user := getUser(r)
+	user := getUserSession(r)
 	var err error
 
 	uuid := r.PathValue("uuid")
@@ -327,7 +328,7 @@ func actionNodeRetrieve(w http.ResponseWriter, r *http.Request) { // {{{
 	})
 } // }}}
 func actionNodeHistoryRetrieve(w http.ResponseWriter, r *http.Request) { // {{{
-	user := getUser(r)
+	user := getUserSession(r)
 	var err error
 
 	uuid := r.PathValue("uuid")
@@ -350,7 +351,7 @@ func actionNodeHistoryRetrieve(w http.ResponseWriter, r *http.Request) { // {{{
 	})
 } // }}}
 func actionNodeHistoryCount(w http.ResponseWriter, r *http.Request) { // {{{
-	user := getUser(r)
+	user := getUserSession(r)
 	var err error
 
 	uuid := r.PathValue("uuid")
@@ -367,7 +368,7 @@ func actionNodeHistoryCount(w http.ResponseWriter, r *http.Request) { // {{{
 	})
 } // }}}
 func actionSyncToServer(w http.ResponseWriter, r *http.Request) { // {{{
-	user := getUser(r)
+	user := getUserSession(r)
 
 	body, _ := io.ReadAll(r.Body)
 	var request struct {
@@ -391,8 +392,8 @@ func actionSyncToServer(w http.ResponseWriter, r *http.Request) { // {{{
 	})
 } // }}}
 
-func actionUserPreferences(w http.ResponseWriter, r *http.Request) { // {{{
-	user := getUser(r)
+func actionUserGetPreferences(w http.ResponseWriter, r *http.Request) { // {{{
+	user := getUserSession(r)
 	prefs, err := user.Preferences()
 	if err != nil {
 		httpError(w, err)
@@ -404,6 +405,33 @@ func actionUserPreferences(w http.ResponseWriter, r *http.Request) { // {{{
 		"Preferences": prefs,
 	})
 } // }}}
+func actionUserSetPreferences(w http.ResponseWriter, r *http.Request) { // {{{
+	session := getUserSession(r)
+
+	// Verify the "default" profile is still there.
+	var newPrefs map[string]appUser.UserPreferences
+	body, _ := io.ReadAll(r.Body)
+	err := json.Unmarshal(body, &newPrefs)
+	if err != nil {
+		httpError(w, err)
+		return
+	}
+
+	if _, found := newPrefs["default"]; !found {
+		httpError(w, fmt.Errorf("'default' profile missing."))
+		return
+	}
+
+	err = session.SetPreferences(newPrefs)
+	if err != nil {
+		httpError(w, err)
+		return
+	}
+
+	responseData(w, map[string]any{
+		"OK": true,
+	})
+} // }}}
 
 func createNewUser(username string) { // {{{
 	reader := bufio.NewReader(os.Stdin)
@@ -447,7 +475,7 @@ func changePassword(username string) { // {{{
 
 	fmt.Printf("\nPassword changed\n")
 } // }}}
-func getUser(r *http.Request) appUser.UserSession { // {{{
+func getUserSession(r *http.Request) appUser.UserSession { // {{{
 	user, _ := r.Context().Value(CONTEXT_USER).(appUser.UserSession)
 	user.Db = db
 	return user