511 lines
21 KiB
TypeScript
511 lines
21 KiB
TypeScript
import { useEffect, useMemo, useRef, useState } from "react";
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import { ChevronRight, Home, Mail, Paperclip, RefreshCw } from "lucide-react";
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import {
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Button,
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DismissibleAlert,
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ExplorerTree,
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LoadingIndicator,
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MessageDisplayPanel,
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formatDateTime,
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type ApiSettings
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} from "@govoplan/core-webui";
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import {
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getMailboxMessage,
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listMailboxFolders,
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listMailboxMessages,
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listMailServerProfiles,
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type MailImapFolderResponse,
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type MailMailboxMessageDetail,
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type MailMailboxMessageSummary,
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type MailServerProfile
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} from "../../api/mail";
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type MailFolderNode = {
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id: string;
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label: string;
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folderName: string | null;
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flags: string[];
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children: MailFolderNode[];
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};
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export default function MailboxPage({ settings }: { settings: ApiSettings }) {
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const [profiles, setProfiles] = useState<MailServerProfile[]>([]);
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const [selectedProfileId, setSelectedProfileId] = useState("");
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const [folders, setFolders] = useState<MailImapFolderResponse[]>([]);
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const [selectedFolder, setSelectedFolder] = useState("INBOX");
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const [foldersLoadedForProfile, setFoldersLoadedForProfile] = useState("");
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const [expandedFolders, setExpandedFolders] = useState<Set<string>>(() => new Set());
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const [messages, setMessages] = useState<MailMailboxMessageSummary[]>([]);
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const [messageTotalCount, setMessageTotalCount] = useState<number | null>(null);
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const [selectedMessage, setSelectedMessage] = useState<MailMailboxMessageDetail | null>(null);
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const [pendingMessageKey, setPendingMessageKey] = useState("");
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const [loadingProfiles, setLoadingProfiles] = useState(true);
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const [loadingFolders, setLoadingFolders] = useState(false);
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const [loadingMessages, setLoadingMessages] = useState(false);
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const [loadingMessage, setLoadingMessage] = useState(false);
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const [error, setError] = useState("");
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const folderRequestRef = useRef(0);
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const messageListRequestRef = useRef(0);
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const messageDetailRequestRef = useRef(0);
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const selectedProfile = profiles.find((profile) => profile.id === selectedProfileId) ?? null;
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const imapProfiles = useMemo(() => profiles.filter((profile) => profile.is_active && profile.imap), [profiles]);
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const folderTree = useMemo(() => buildMailboxFolderTree(folders), [folders]);
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const selectedFolderNodeId = useMemo(() => findFolderNodeId(folderTree, selectedFolder) ?? "", [folderTree, selectedFolder]);
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const shellBusy = loadingProfiles || loadingFolders || loadingMessages;
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const noImapProfiles = !loadingProfiles && imapProfiles.length === 0;
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const foldersReady = Boolean(selectedProfileId) && foldersLoadedForProfile === selectedProfileId;
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const selectedMessageKey = selectedMessage ? mailboxMessageKey(selectedMessage.folder || selectedFolder, selectedMessage.uid) : pendingMessageKey;
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const messageCountLabel = messageListCountLabel(messages.length, messageTotalCount, loadingMessages, foldersReady);
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const folderEmptyText = noImapProfiles ? "No IMAP-enabled mail profiles." : loadingFolders ? "Loading folders..." : "No folders available.";
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const messageEmptyText = !selectedProfileId ? "Select an IMAP profile." : !foldersReady || loadingMessages ? "Loading messages..." : "No messages in this folder.";
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const previewEmptyText = loadingMessage ? "Loading message..." : "Select a message to inspect its content.";
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const loadingLabel = loadingProfiles ? "Loading mail profiles..." : loadingFolders ? "Loading folders..." : loadingMessages ? "Loading messages..." : "Loading message...";
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useEffect(() => { void loadProfiles(); }, [settings.apiBaseUrl, settings.apiKey, settings.accessToken]);
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useEffect(() => { if (selectedProfileId) void loadFolders(selectedProfileId); }, [selectedProfileId]);
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useEffect(() => { if (selectedProfileId && selectedFolder && foldersReady) void loadMessages(selectedProfileId, selectedFolder); }, [foldersReady, selectedProfileId, selectedFolder]);
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useEffect(() => {
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const ancestorIds = folderAncestorIds(folderTree, selectedFolder);
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if (ancestorIds.length === 0) return;
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setExpandedFolders((current) => {
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const next = new Set(current);
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ancestorIds.forEach((id) => next.add(id));
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return next;
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});
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}, [folderTree, selectedFolder]);
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async function loadProfiles() {
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setLoadingProfiles(true);
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setError("");
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try {
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const loaded = await listMailServerProfiles(settings);
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const usable = loaded.filter((profile) => profile.is_active && profile.imap);
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setProfiles(loaded);
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setSelectedProfileId((current) => current && usable.some((profile) => profile.id === current) ? current : usable[0]?.id ?? "");
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if (usable.length === 0) {
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setFolders([]);
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setFoldersLoadedForProfile("");
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setMessages([]);
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setMessageTotalCount(null);
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setSelectedMessage(null);
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setPendingMessageKey("");
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}
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} catch (err) {
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setError(errorText(err));
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} finally {
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setLoadingProfiles(false);
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}
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}
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async function loadFolders(profileId = selectedProfileId) {
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if (!profileId) return;
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const requestId = ++folderRequestRef.current;
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messageListRequestRef.current += 1;
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messageDetailRequestRef.current += 1;
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setLoadingFolders(true);
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setFoldersLoadedForProfile("");
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setMessageTotalCount(null);
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setPendingMessageKey("");
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setError("");
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try {
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const response = await listMailboxFolders(settings, profileId);
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if (requestId !== folderRequestRef.current) return;
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if (!response.ok) throw new Error(response.message || "Mailbox folders could not be loaded.");
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const loaded = response.folders?.length ? response.folders : [{ name: "INBOX", flags: [] }];
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setFolders(loaded);
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setExpandedFolders(new Set());
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let nextFolder = selectedFolder;
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if (!nextFolder || !loaded.some((folder) => folder.name === nextFolder)) {
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nextFolder = loaded.some((folder) => folder.name === "INBOX") ? "INBOX" : response.detected_sent_folder || loaded[0]?.name || "INBOX";
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}
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setSelectedFolder(nextFolder);
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setFoldersLoadedForProfile(profileId);
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} catch (err) {
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if (requestId !== folderRequestRef.current) return;
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setError(errorText(err));
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setFolders([]);
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setFoldersLoadedForProfile("");
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setMessages([]);
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setMessageTotalCount(null);
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setSelectedMessage(null);
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setPendingMessageKey("");
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} finally {
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if (requestId === folderRequestRef.current) setLoadingFolders(false);
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}
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}
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async function loadMessages(profileId = selectedProfileId, folder = selectedFolder) {
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if (!profileId || !folder) return;
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const requestId = ++messageListRequestRef.current;
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messageDetailRequestRef.current += 1;
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setLoadingMessages(true);
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setMessageTotalCount(null);
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setSelectedMessage(null);
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setPendingMessageKey("");
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setError("");
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try {
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const response = await listMailboxMessages(settings, profileId, folder, 50);
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if (requestId !== messageListRequestRef.current) return;
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const loaded = response.messages ?? [];
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setMessages(loaded);
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setMessageTotalCount(response.total_count ?? loaded.length);
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setSelectedMessage(null);
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} catch (err) {
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if (requestId !== messageListRequestRef.current) return;
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setError(errorText(err));
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setMessages([]);
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setMessageTotalCount(null);
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setSelectedMessage(null);
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setPendingMessageKey("");
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} finally {
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if (requestId === messageListRequestRef.current) setLoadingMessages(false);
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}
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}
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async function openMessage(message: MailMailboxMessageSummary) {
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if (!selectedProfileId) return;
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const folderName = message.folder || selectedFolder;
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const requestId = ++messageDetailRequestRef.current;
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setPendingMessageKey(mailboxMessageKey(folderName, message.uid));
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setSelectedMessage(null);
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setLoadingMessage(true);
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setError("");
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try {
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const response = await getMailboxMessage(settings, selectedProfileId, folderName, message.uid);
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if (requestId !== messageDetailRequestRef.current) return;
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setSelectedMessage(response.message);
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setPendingMessageKey("");
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} catch (err) {
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if (requestId !== messageDetailRequestRef.current) return;
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setError(errorText(err));
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setPendingMessageKey("");
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} finally {
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if (requestId === messageDetailRequestRef.current) setLoadingMessage(false);
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}
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}
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function selectProfile(profileId: string) {
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folderRequestRef.current += 1;
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messageListRequestRef.current += 1;
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messageDetailRequestRef.current += 1;
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setSelectedProfileId(profileId);
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setFolders([]);
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setFoldersLoadedForProfile("");
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setMessages([]);
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setMessageTotalCount(null);
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setSelectedMessage(null);
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setPendingMessageKey("");
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setExpandedFolders(new Set());
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setLoadingFolders(false);
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setLoadingMessages(false);
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setLoadingMessage(false);
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}
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function openFolderNode(node: MailFolderNode) {
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if (node.folderName) {
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if (node.folderName === selectedFolder && foldersReady) void loadMessages(selectedProfileId, node.folderName);
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else setSelectedFolder(node.folderName);
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return;
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}
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toggleFolderNode(node);
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}
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function toggleFolderNode(node: MailFolderNode) {
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setExpandedFolders((current) => {
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const next = new Set(current);
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if (next.has(node.id)) next.delete(node.id);
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else next.add(node.id);
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return next;
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});
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}
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return (
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<div className="workspace-data-page module-entry-page file-manager-page file-manager-fullscreen mailbox-page">
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{error && <DismissibleAlert tone="danger" resetKey={error} floating>{error}</DismissibleAlert>}
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<div className={`file-manager-shell mailbox-shell ${shellBusy ? "is-loading" : ""}`}>
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<aside className="file-tree-panel" aria-label="Mailbox folders">
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<div className="file-tree-heading">Folders</div>
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<div className="file-tree-list">
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{folderTree.length === 0 && <p className="muted small-text mailbox-tree-empty">{folderEmptyText}</p>}
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<ExplorerTree
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nodes={folderTree}
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getNodeId={(node) => node.id}
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getNodeLabel={(node) => node.label}
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getNodeChildren={(node) => node.children}
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activeId={selectedFolderNodeId}
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expandedIds={expandedFolders}
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onOpen={openFolderNode}
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onToggle={toggleFolderNode}
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disabled={shellBusy}
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renderNodeContent={(node) => {
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const flagText = folderFlagLabel(node.flags);
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const showCount = foldersReady && node.folderName === selectedFolder && messageTotalCount !== null;
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return (
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<span className="mailbox-tree-node-label">
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<span className="mailbox-tree-node-main">
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<span>{node.label}</span>
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{showCount && <small className="mailbox-folder-count">{messageTotalCount}</small>}
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</span>
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{flagText && <small>{flagText}</small>}
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</span>
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);
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}}
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/>
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</div>
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</aside>
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<section className="file-list-panel mailbox-message-list-panel" aria-label="Mailbox messages">
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<div className="file-list-sticky">
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<div className="file-manager-toolbar mailbox-toolbar" aria-label="Mail actions">
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<label className="mailbox-profile-field">
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<span>IMAP profile</span>
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<select value={selectedProfileId} disabled={shellBusy || imapProfiles.length === 0} onChange={(event) => selectProfile(event.target.value)}>
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{imapProfiles.length === 0 && <option value="">No IMAP profiles available</option>}
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{imapProfiles.map((profile) => <option key={profile.id} value={profile.id}>{profile.name}</option>)}
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</select>
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</label>
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<span className="mailbox-toolbar-meta">{selectedProfile?.imap ? transportLabel(selectedProfile) : "No IMAP profile selected"}</span>
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<div className="mailbox-toolbar-actions">
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<Button onClick={() => void loadProfiles()} disabled={shellBusy} title="Reload IMAP profiles">
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<RefreshCw size={16} aria-hidden="true" />
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Profiles
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</Button>
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<Button onClick={() => void loadFolders(selectedProfileId)} disabled={!selectedProfileId || shellBusy} title="Refresh mailbox folders">
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<RefreshCw size={16} aria-hidden="true" />
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Folders
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</Button>
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<Button onClick={() => void loadMessages(selectedProfileId, selectedFolder)} disabled={!selectedProfileId || !selectedFolder || !foldersReady || shellBusy} title="Refresh messages in the current folder">
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<RefreshCw size={16} aria-hidden="true" />
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Messages
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</Button>
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</div>
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</div>
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<nav className="file-breadcrumbs" aria-label="Current mailbox folder">
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<span className="file-breadcrumb mailbox-breadcrumb-static"><Home size={15} aria-hidden="true" /> {selectedProfile?.name || "Mail"}</span>
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<span className="file-breadcrumb-segment"><ChevronRight size={14} aria-hidden="true" /><span className="file-breadcrumb mailbox-breadcrumb-static">{selectedFolder}</span></span>
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</nav>
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<div className="file-list-meta">
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<span>{messageCountLabel}</span>
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<span>{selectedFolder}</span>
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{shellBusy && <span>Working...</span>}
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{loadingMessage && <span>Loading preview...</span>}
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</div>
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<div className="file-list-table-head mailbox-message-head" role="row">
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<span>Subject</span>
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<span>Date</span>
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<span>Size</span>
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</div>
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</div>
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<div className="file-list-drop-target mailbox-message-scroll">
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<div className="file-list-table mailbox-message-table" role="table" aria-label="Mailbox messages">
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{messages.length === 0 && <div className="file-list-empty">{messageEmptyText}</div>}
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{messages.map((message) => {
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const key = mailboxMessageKey(message.folder || selectedFolder, message.uid);
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const selected = key === selectedMessageKey;
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const loadingSelected = loadingMessage && key === pendingMessageKey;
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return (
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<div
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key={message.uid}
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className={`file-list-row file-row mailbox-message-row ${selected ? "is-selected" : ""} ${loadingSelected ? "is-loading-message" : ""}`}
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role="row"
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tabIndex={0}
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onClick={() => void openMessage(message)}
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onKeyDown={(event) => {
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if (event.key === "Enter" || event.key === " ") {
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event.preventDefault();
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void openMessage(message);
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}
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}}
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>
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<div className="file-list-name-cell">
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<div className="file-list-name">
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<Mail className="file-row-icon" size={20} aria-hidden="true" />
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<span>
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<strong>{message.subject || "(no subject)"}</strong>
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<small>{message.from_header || "-"}</small>
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</span>
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</div>
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</div>
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<span className="mailbox-message-date">{formatDateTime(message.date, { fallback: "-" })}</span>
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<span className="file-row-tail mailbox-message-tail">
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{message.attachment_count ? <span><Paperclip size={14} aria-hidden="true" /> {message.attachment_count}</span> : null}
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<span>{formatBytes(message.size_bytes)}</span>
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</span>
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</div>
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);
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})}
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</div>
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</div>
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</section>
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<section className="mailbox-preview-panel" aria-label="Message preview">
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<div className="file-tree-heading">Preview</div>
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<div className="mailbox-preview-scroll">
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<MessageDisplayPanel
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title={selectedMessage?.subject}
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fields={selectedMessage ? [
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{ label: "From", value: selectedMessage.from_header || "-" },
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{ label: "To", value: selectedMessage.to_header || "-" },
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{ label: "Cc", value: selectedMessage.cc_header || null },
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{ label: "Date", value: formatDateTime(selectedMessage.date, { fallback: "-" }) }
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] : []}
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bodyText={selectedMessage?.body_text}
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bodyHtml={selectedMessage?.body_html}
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bodyPreview={selectedMessage?.body_preview}
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headers={selectedMessage?.headers}
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attachments={selectedMessage?.attachments?.map((attachment) => ({
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filename: attachment.filename,
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contentType: attachment.content_type,
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sizeBytes: attachment.size_bytes
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}))}
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emptyText={previewEmptyText}
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/>
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</div>
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</section>
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{shellBusy && (
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<div className="file-manager-loading-overlay" aria-live="polite" aria-busy="true">
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<div className="loading-frame-panel"><LoadingIndicator label={loadingLabel} /> <span>{loadingLabel}</span></div>
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</div>
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)}
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</div>
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</div>
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);
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}
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function buildMailboxFolderTree(folders: MailImapFolderResponse[]): MailFolderNode[] {
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const roots: MailFolderNode[] = [];
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const byId = new Map<string, MailFolderNode>();
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function ensureNode(parts: string[], index: number): MailFolderNode | null {
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if (index < 0 || index >= parts.length) return null;
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const id = parts.slice(0, index + 1).join("/");
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const existing = byId.get(id);
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if (existing) return existing;
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const node: MailFolderNode = { id, label: parts[index], folderName: null, flags: [], children: [] };
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byId.set(id, node);
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if (index === 0) {
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roots.push(node);
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} else {
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ensureNode(parts, index - 1)?.children.push(node);
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}
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return node;
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}
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for (const folder of folders) {
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const parts = folderParts(folder.name);
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const node = ensureNode(parts, parts.length - 1);
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if (node) {
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node.folderName = folder.name;
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node.flags = folder.flags ?? [];
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}
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}
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sortFolderNodes(roots);
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return roots;
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}
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function folderParts(folderName: string): string[] {
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const normalized = folderName.trim();
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if (!normalized) return [];
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if (normalized.includes("/")) return normalized.split("/").filter(Boolean);
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if (/^INBOX[.]/i.test(normalized)) return ["INBOX", ...normalized.slice(6).split(".").filter(Boolean)];
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return [normalized];
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}
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function sortFolderNodes(nodes: MailFolderNode[]) {
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nodes.sort((left, right) => folderSortKey(left.label).localeCompare(folderSortKey(right.label)));
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nodes.forEach((node) => sortFolderNodes(node.children));
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}
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function folderSortKey(label: string): string {
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return label.toUpperCase() === "INBOX" ? "0" : `1:${label.toLocaleLowerCase()}`;
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}
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function findFolderNodeId(nodes: MailFolderNode[], folderName: string): string | null {
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for (const node of nodes) {
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if (node.folderName === folderName) return node.id;
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const child = findFolderNodeId(node.children, folderName);
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if (child) return child;
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}
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return null;
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}
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function folderAncestorIds(nodes: MailFolderNode[], folderName: string, parents: string[] = []): string[] {
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for (const node of nodes) {
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const path = [...parents, node.id];
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if (node.folderName === folderName) return path;
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const child = folderAncestorIds(node.children, folderName, path);
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if (child.length > 0) return child;
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}
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return [];
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}
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function mailboxMessageKey(folder: string, uid: string): string {
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return `${folder || "INBOX"}::${uid}`;
|
|
}
|
|
|
|
function messageListCountLabel(visibleCount: number, totalCount: number | null, loading: boolean, ready: boolean): string {
|
|
if (!ready) return "No folder loaded";
|
|
if (loading) return "Loading messages";
|
|
if (totalCount !== null && totalCount > visibleCount) return `${visibleCount} of ${totalCount} messages`;
|
|
const count = totalCount ?? visibleCount;
|
|
return `${count} message${count === 1 ? "" : "s"}`;
|
|
}
|
|
|
|
function folderFlagLabel(flags: string[]): string {
|
|
const labels = flags.map(displayFolderFlag).filter((label): label is string => Boolean(label));
|
|
return Array.from(new Set(labels)).join(" ");
|
|
}
|
|
|
|
function displayFolderFlag(flag: string): string | null {
|
|
const normalized = flag.replace(/^\\/, "").toLowerCase();
|
|
switch (normalized) {
|
|
case "sent":
|
|
return "Sent";
|
|
case "drafts":
|
|
return "Drafts";
|
|
case "trash":
|
|
return "Trash";
|
|
case "archive":
|
|
return "Archive";
|
|
case "junk":
|
|
return "Junk";
|
|
case "flagged":
|
|
return "Flagged";
|
|
case "haschildren":
|
|
case "hasnochildren":
|
|
case "noselect":
|
|
return null;
|
|
default:
|
|
return null;
|
|
}
|
|
}
|
|
|
|
function transportLabel(profile: MailServerProfile): string {
|
|
const imap = profile.imap;
|
|
if (!imap?.host) return "IMAP not configured";
|
|
return `${imap.host}:${imap.port ?? "?"} ${imap.security ?? ""}`.trim();
|
|
}
|
|
|
|
function formatBytes(value?: number | null): string {
|
|
if (!value) return "-";
|
|
if (value < 1024) return `${value} B`;
|
|
if (value < 1024 * 1024) return `${(value / 1024).toFixed(1)} KB`;
|
|
return `${(value / 1024 / 1024).toFixed(1)} MB`;
|
|
}
|
|
|
|
function errorText(error: unknown): string {
|
|
return error instanceof Error ? error.message : String(error);
|
|
}
|