Implement live last message update

This commit is contained in:
2025-10-17 15:52:12 +03:00
Unverified
parent dd946e7466
commit a92f91d791
14 changed files with 518 additions and 258 deletions
+188 -67
View File
@@ -5,7 +5,8 @@ import {
fetchDMHistory,
decryptDm,
sendDMViaWebSocket,
fetchDMConversations
fetchDMConversations,
type DMConversationResponse
} from "@/core/api/dmApi";
import type { User, Message, DmEncryptedJSON } from "@/core/types";
import { websocket } from "@/core/websocket";
@@ -16,8 +17,34 @@ export interface DMUser extends User {
publicKey?: string | null;
}
// Utility function for consistent username formatting in DM messages
export function formatDMUsername(
senderId: number,
_recipientId: number,
currentUserId: number,
otherUsername: string
): string {
const isFromCurrentUser = senderId === currentUserId;
return isFromCurrentUser ? "Вы" : otherUsername;
}
// Utility function for consistent message content formatting
export function formatDMMessageContent(
content: string,
senderId: number,
currentUserId: number
): string {
const isFromCurrentUser = senderId === currentUserId;
const prefix = isFromCurrentUser ? "Вы: " : "";
const maxContentLength = 50 - prefix.length;
const truncatedContent = content.length > maxContentLength
? content.substring(0, maxContentLength) + "..."
: content;
return prefix + truncatedContent;
}
export function useDM() {
const { user, chat, setDmUsers, setActiveDm, addMessage, clearMessages } = useAppState();
const { user, setDmUsers, setActiveDm, addMessage, clearMessages } = useAppState();
const [dmUsers, setDmUsersState] = useState<DMUser[]>([]);
const [isLoadingUsers, setIsLoadingUsers] = useState(false);
const [isLoadingHistory, setIsLoadingHistory] = useState(false);
@@ -80,17 +107,42 @@ export function useDM() {
setIsLoadingUsers(true);
try {
const conversations = await fetchDMConversations(user.authToken);
console.log("Fetched conversations:", conversations);
const dmUsersWithState: DMUser[] = conversations.map((conv: any) => ({
...conv.user,
unreadCount: conv.unreadCount,
lastMessage: conv.lastMessage ? "Последнее сообщение" : undefined,
publicKey: null
}));
// Process conversations and decrypt last messages
const dmUsersWithState: DMUser[] = await Promise.all(
conversations.map(async (conv: DMConversationResponse) => {
let lastMessageContent: string | undefined = undefined;
if (conv.lastMessage) {
try {
// Get the public key for the other user
const otherUserId = conv.lastMessage.senderId === user.currentUser?.id
? conv.lastMessage.recipientId
: conv.lastMessage.senderId;
const publicKey = await fetchUserPublicKey(otherUserId, user.authToken!);
if (publicKey) {
// Decrypt the last message
const decryptedJson = await decryptDm(conv.lastMessage, publicKey!);
const decryptedData = JSON.parse(decryptedJson) as DmEncryptedJSON;
lastMessageContent = formatDMMessageContent(decryptedData.data.content, conv.lastMessage.senderId, user.currentUser?.id!);
}
} catch (error) {
console.error("Failed to decrypt last message for user", conv.user.id, error);
}
}
return {
...conv.user,
unreadCount: conv.unreadCount,
lastMessage: lastMessageContent,
publicKey: null
};
})
);
setDmUsersState(dmUsersWithState);
setDmUsers(conversations.map((conv: any) => conv.user));
setDmUsers(conversations.map((conv: DMConversationResponse) => conv.user));
} catch (error) {
console.error("Failed to load DM conversations:", error);
@@ -192,7 +244,67 @@ export function useDM() {
}
}, [user.authToken, setActiveDm, loadDMHistory]);
// WebSocket message handler
// Force reload users (useful for refreshing the list)
const reloadUsers = useCallback(() => {
usersLoadedRef.current = false;
loadUsers();
}, [loadUsers]);
// Reload a specific user's conversation data
const reloadUserConversation = useCallback(async (userId: number) => {
if (!user.authToken) return;
try {
const conversations = await fetchDMConversations(user.authToken);
const userConversation = conversations.find(conv => conv.user.id === userId);
if (userConversation) {
let lastMessageContent: string | undefined = undefined;
if (userConversation.lastMessage) {
try {
// Get the public key for the other user
const otherUserId = userConversation.lastMessage.senderId === user.currentUser?.id
? userConversation.lastMessage.recipientId
: userConversation.lastMessage.senderId;
const publicKey = await fetchUserPublicKey(otherUserId, user.authToken!);
if (publicKey) {
// Decrypt the last message
const decryptedJson = await decryptDm(userConversation.lastMessage, publicKey!);
const decryptedData = JSON.parse(decryptedJson) as DmEncryptedJSON;
lastMessageContent = formatDMMessageContent(decryptedData.data.content, userConversation.lastMessage.senderId, user.currentUser?.id!);
}
} catch (error) {
console.error("Failed to decrypt last message for user", userId, error);
}
}
// Update the specific user in the state
setDmUsersState(prev => prev.map(u => {
if (u.id === userId) {
return {
...u,
lastMessage: lastMessageContent,
unreadCount: userConversation.unreadCount
};
}
return u;
}));
} else {
// If conversation no longer exists, remove the user from the list
setDmUsersState(prev => prev.filter(u => u.id !== userId));
// Get current dmUsers and filter out the removed user
const currentDmUsers = useAppState.getState().chat.dmUsers;
setDmUsers(currentDmUsers.filter((u: User) => u.id !== userId));
}
} catch (error) {
console.error("Failed to reload user conversation:", error);
}
}, [user.authToken]);
// WebSocket message handler for conversation list updates
useEffect(() => {
async function handleWebSocketMessage(e: MessageEvent) {
try {
@@ -200,56 +312,70 @@ export function useDM() {
if (msg.type === "dmNew") {
const { senderId, recipientId, ...envelope } = msg.data;
// If this is for the active DM conversation
if (chat.activeDm && (senderId === chat.activeDm.userId || recipientId === chat.activeDm.userId)) {
try {
const plaintext = await decryptDm(envelope, chat.activeDm.publicKey!);
const isAuthor = senderId !== chat.activeDm.userId;
addMessage({
id: envelope.id,
content: plaintext,
username: isAuthor ? (user.currentUser?.username || "Unknown") : (chat.activeDm.username || "Unknown"),
timestamp: envelope.timestamp,
is_read: false,
is_edited: false
});
// Update last read if it's from the other user
if (senderId === chat.activeDm.userId) {
setLastReadId(chat.activeDm.userId, Math.max(getLastReadId(chat.activeDm.userId), envelope.id));
}
} catch (error) {
console.error("Failed to decrypt incoming DM:", error);
}
} else {
// Update unread count for other users
const otherUserId = senderId;
setDmUsersState(prev => prev.map(u =>
u.id === otherUserId
? { ...u, unreadCount: u.unreadCount + 1 }
: u
));
// Update last message preview
try {
const publicKey = await fetchUserPublicKey(otherUserId, user.authToken!);
if (publicKey) {
const plaintext = await decryptDm(envelope, publicKey);
setDmUsersState(prev => prev.map(u =>
u.id === otherUserId
? {
...u,
lastMessage: plaintext.split(/\r?\n/).slice(0, 2).join("\n"),
publicKey
}
: u
));
}
} catch (error) {
console.error("Failed to update last message preview:", error);
}
// Update conversation list (not active conversation - that's handled by DMPanel)
if (!user.currentUser?.id) {
return;
}
const otherUserId = senderId === user.currentUser.id ? recipientId : senderId;
// Update unread count and last message preview
try {
const publicKey = await fetchUserPublicKey(otherUserId, user.authToken!);
if (publicKey) {
const decryptedJson = await decryptDm(envelope, publicKey);
const decryptedData = JSON.parse(decryptedJson) as DmEncryptedJSON;
const messageContent = decryptedData.data.content;
const formattedMessage = formatDMMessageContent(messageContent, senderId, user.currentUser.id);
setDmUsersState(prev => prev.map(u =>
u.id === otherUserId
? {
...u,
unreadCount: senderId !== user.currentUser?.id ? u.unreadCount + 1 : u.unreadCount,
lastMessage: formattedMessage,
publicKey
}
: u
));
}
} catch (error) {
console.error("Failed to update last message preview:", error);
}
} else if (msg.type === "dmEdited") {
const { id, senderId, recipientId, ...envelope } = msg.data;
// Update last message preview for conversation list
if (!user.currentUser?.id) {
return;
}
const otherUserId = senderId === user.currentUser.id ? recipientId : senderId;
try {
const publicKey = await fetchUserPublicKey(otherUserId, user.authToken!);
if (publicKey) {
const decryptedJson = await decryptDm(envelope, publicKey);
const decryptedData = JSON.parse(decryptedJson) as DmEncryptedJSON;
const messageContent = decryptedData.data.content;
const formattedMessage = formatDMMessageContent(messageContent, senderId, user.currentUser.id);
setDmUsersState(prev => prev.map(u =>
u.id === otherUserId
? {
...u,
lastMessage: formattedMessage,
publicKey
}
: u
));
}
} catch (error) {
console.error("Failed to update edited message preview:", error);
}
} else if (msg.type === "dmDeleted") {
const { senderId, recipientId } = msg.data;
// Reload only the specific user's conversation
if (!user.currentUser?.id) return;
const otherUserId = senderId === user.currentUser.id ? recipientId : senderId;
reloadUserConversation(otherUserId);
}
} catch (error) {
console.error("Failed to handle WebSocket message:", error);
@@ -259,13 +385,7 @@ export function useDM() {
websocket.addEventListener("message", handleWebSocketMessage);
return () => websocket.removeEventListener("message", handleWebSocketMessage);
}, [chat.activeDm, user.currentUser, addMessage]);
// Force reload users (useful for refreshing the list)
const reloadUsers = useCallback(() => {
usersLoadedRef.current = false;
loadUsers();
}, [loadUsers]);
}, [user.currentUser, user.authToken, reloadUserConversation]);
return {
dmUsers,
@@ -273,6 +393,7 @@ export function useDM() {
isLoadingHistory,
loadUsers,
reloadUsers,
reloadUserConversation,
startDMConversation,
sendDMMessage,
loadUserLastMessage