Files
govoplan-mail/webui/src/features/mail/MailboxPage.tsx

598 lines
30 KiB
TypeScript

import { useEffect, useMemo, useRef, useState } from "react";
import { ChevronLeft, ChevronRight, ChevronsLeft, ChevronsRight, Home, Mail, Paperclip, RefreshCw, Search, X } from "lucide-react";
import {
Button,
DismissibleAlert,
ExplorerTree,
LoadingIndicator,
MessageDisplayPanel,
formatDateTime,
i18nMessage,
type ApiSettings
} from "@govoplan/core-webui";
import {
getMailboxMessage,
listMailboxFolders,
listMailboxMessages,
listMailServerProfiles,
type MailImapFolderResponse,
type MailMailboxMessageDetail,
type MailMailboxMessageSummary,
type MailServerProfile } from
"../../api/mail";
import { buildMailboxFolderTree, findFolderNodeId, folderAncestorIds, type MailFolderNode } from "./mailboxFolders";
export default function MailboxPage({ settings }: {settings: ApiSettings;}) {
const [profiles, setProfiles] = useState<MailServerProfile[]>([]);
const [selectedProfileId, setSelectedProfileId] = useState("");
const [folders, setFolders] = useState<MailImapFolderResponse[]>([]);
const [selectedFolder, setSelectedFolder] = useState("INBOX");
const [foldersLoadedForProfile, setFoldersLoadedForProfile] = useState("");
const [expandedFolders, setExpandedFolders] = useState<Set<string>>(() => new Set());
const [messages, setMessages] = useState<MailMailboxMessageSummary[]>([]);
const [messageTotalCount, setMessageTotalCount] = useState<number | null>(null);
const [messagePage, setMessagePage] = useState(1);
const [messagePageSize, setMessagePageSize] = useState(10);
const [messageQuery, setMessageQuery] = useState("");
const [selectedMessage, setSelectedMessage] = useState<MailMailboxMessageDetail | null>(null);
const [selectedMessageKeyState, setSelectedMessageKeyState] = useState("");
const [pendingMessageKey, setPendingMessageKey] = useState("");
const [loadingProfiles, setLoadingProfiles] = useState(true);
const [loadingFolders, setLoadingFolders] = useState(false);
const [loadingMessages, setLoadingMessages] = useState(false);
const [loadingMessage, setLoadingMessage] = useState(false);
const [error, setError] = useState("");
const [folderError, setFolderError] = useState("");
const [messageError, setMessageError] = useState("");
const [detailError, setDetailError] = useState("");
const selectedMessageKeyRef = useRef("");
const folderRequestRef = useRef(0);
const messageListRequestRef = useRef(0);
const messageDetailRequestRef = useRef(0);
const mailboxPageCursorsRef = useRef<Record<string, string | null>>({});
const selectedProfile = profiles.find((profile) => profile.id === selectedProfileId) ?? null;
const imapProfiles = useMemo(() => profiles.filter((profile) => profile.is_active && profile.imap), [profiles]);
const folderTree = useMemo(() => buildMailboxFolderTree(folders), [folders]);
const selectedFolderNodeId = useMemo(() => findFolderNodeId(folderTree, selectedFolder) ?? "", [folderTree, selectedFolder]);
const filteredMessages = useMemo(() => filterMessages(messages, messageQuery), [messageQuery, messages]);
const messagePageCount = Math.max(1, Math.ceil((messageTotalCount ?? 0) / messagePageSize));
const shellBusy = loadingProfiles || loadingFolders || loadingMessages;
const noImapProfiles = !loadingProfiles && imapProfiles.length === 0;
const foldersReady = Boolean(selectedProfileId) && foldersLoadedForProfile === selectedProfileId;
const selectedMessageKey = pendingMessageKey || selectedMessageKeyState || (selectedMessage ? mailboxMessageKey(selectedMessage.folder || selectedFolder, selectedMessage.uid) : "");
const messageCountLabel = messageListCountLabel(messages.length, messageTotalCount, loadingMessages, foldersReady);
const folderEmptyText = folderError || (noImapProfiles ? "i18n:govoplan-mail.no_imap_enabled_mail_profiles.61ae44d8" : loadingFolders ? "i18n:govoplan-mail.loading_folders.17f9f0e2" : "i18n:govoplan-mail.no_folders_available.14133b26");
const messageEmptyText = messageError || (!selectedProfileId ? "i18n:govoplan-mail.select_an_imap_profile.5445648c" : !foldersReady || loadingMessages ? "i18n:govoplan-mail.loading_messages.77b62232" : messages.length > 0 && filteredMessages.length === 0 ? "i18n:govoplan-mail.no_messages_match_the_current_filter_on_this_pag.9dda6916" : "i18n:govoplan-mail.no_messages_in_this_folder.5c7fa25d");
const previewEmptyText = detailError || (loadingMessage ? "i18n:govoplan-mail.loading_message.815c2094" : "i18n:govoplan-mail.select_a_message_to_inspect_its_content.5f3d1342");
const loadingLabel = loadingProfiles ? "i18n:govoplan-mail.loading_mail_profiles.87de3560" : loadingFolders ? "i18n:govoplan-mail.loading_folders.17f9f0e2" : loadingMessages ? "i18n:govoplan-mail.loading_messages.77b62232" : "i18n:govoplan-mail.loading_message.815c2094";
useEffect(() => {void loadProfiles();}, [settings.apiBaseUrl, settings.apiKey, settings.accessToken]);
useEffect(() => {selectedMessageKeyRef.current = selectedMessageKeyState;}, [selectedMessageKeyState]);
useEffect(() => {if (messagePage > messagePageCount) setMessagePage(messagePageCount);}, [messagePage, messagePageCount]);
useEffect(() => {if (selectedProfileId) void loadFolders(selectedProfileId);}, [selectedProfileId]);
useEffect(() => {if (selectedProfileId && selectedFolder && foldersReady) void loadMessages(selectedProfileId, selectedFolder, messagePage, messagePageSize);}, [foldersReady, messagePage, messagePageSize, selectedProfileId, selectedFolder]);
useEffect(() => {
const handlePreviewShortcut = (event: KeyboardEvent) => {
if (isEditableTarget(event.target)) return;
if (event.key === "Escape") {
if (selectedMessage || selectedMessageKey || pendingMessageKey || detailError) {
event.preventDefault();
setSelectedMessage(null);
setSelectedMessageKeyState("");
selectedMessageKeyRef.current = "";
setPendingMessageKey("");
setDetailError("");
}
return;
}
if (shellBusy || loadingMessage || filteredMessages.length === 0) return;
const selectedIndex = filteredMessages.findIndex((message) => mailboxMessageKey(message.folder || selectedFolder, message.uid) === selectedMessageKey);
let nextIndex: number | null = null;
if (event.key === "ArrowLeft") nextIndex = selectedIndex > 0 ? selectedIndex - 1 : 0;else
if (event.key === "ArrowRight") nextIndex = selectedIndex >= 0 ? Math.min(filteredMessages.length - 1, selectedIndex + 1) : 0;else
if (event.key === "Home") nextIndex = 0;else
if (event.key === "End") nextIndex = filteredMessages.length - 1;
if (nextIndex === null) return;
event.preventDefault();
const nextMessage = filteredMessages[nextIndex];
if (nextMessage) void openMessage(nextMessage);
};
window.addEventListener("keydown", handlePreviewShortcut);
return () => window.removeEventListener("keydown", handlePreviewShortcut);
}, [detailError, filteredMessages, loadingMessage, pendingMessageKey, selectedFolder, selectedMessage, selectedMessageKey, shellBusy]);
useEffect(() => {
const ancestorIds = folderAncestorIds(folderTree, selectedFolder);
if (ancestorIds.length === 0) return;
setExpandedFolders((current) => {
const next = new Set(current);
ancestorIds.forEach((id) => next.add(id));
return next;
});
}, [folderTree, selectedFolder]);
async function loadProfiles() {
setLoadingProfiles(true);
setError("");
try {
const loaded = await listMailServerProfiles(settings);
const usable = loaded.filter((profile) => profile.is_active && profile.imap);
setProfiles(loaded);
setSelectedProfileId((current) => current && usable.some((profile) => profile.id === current) ? current : usable[0]?.id ?? "");
if (usable.length === 0) {
setFolders([]);
setFoldersLoadedForProfile("");
setMessages([]);
setMessageTotalCount(null);
setSelectedMessage(null);
setSelectedMessageKeyState("");
setPendingMessageKey("");
}
} catch (err) {
setError(errorText(err));
} finally {
setLoadingProfiles(false);
}
}
async function loadFolders(profileId = selectedProfileId) {
if (!profileId) return;
const requestId = ++folderRequestRef.current;
messageListRequestRef.current += 1;
messageDetailRequestRef.current += 1;
setLoadingFolders(true);
setFoldersLoadedForProfile("");
setMessageTotalCount(null);
setMessagePage(1);
setSelectedMessage(null);
setSelectedMessageKeyState("");
setPendingMessageKey("");
setFolderError("");
setMessageError("");
setDetailError("");
setError("");
try {
const response = await listMailboxFolders(settings, profileId);
if (requestId !== folderRequestRef.current) return;
if (!response.ok) throw new Error(response.message || "i18n:govoplan-mail.mailbox_folders_could_not_be_loaded.c3e3880e");
const loaded = response.folders?.length ? response.folders : [{ name: "INBOX", flags: [] }];
setFolders(loaded);
setExpandedFolders(new Set());
let nextFolder = selectedFolder;
if (!nextFolder || !loaded.some((folder) => folder.name === nextFolder)) {
nextFolder = loaded.some((folder) => folder.name === "INBOX") ? "INBOX" : response.detected_sent_folder || loaded[0]?.name || "INBOX";
}
setSelectedFolder(nextFolder);
setFoldersLoadedForProfile(profileId);
} catch (err) {
if (requestId !== folderRequestRef.current) return;
setFolderError(errorText(err));
setError(errorText(err));
setFolders([]);
setFoldersLoadedForProfile("");
setMessages([]);
setMessageTotalCount(null);
setSelectedMessage(null);
setSelectedMessageKeyState("");
setPendingMessageKey("");
} finally {
if (requestId === folderRequestRef.current) setLoadingFolders(false);
}
}
async function loadMessages(profileId = selectedProfileId, folder = selectedFolder, page = messagePage, pageSize = messagePageSize) {
if (!profileId || !folder) return;
const requestId = ++messageListRequestRef.current;
const offset = (Math.max(1, page) - 1) * pageSize;
const cursorKey = mailboxCursorKey(profileId, folder, pageSize);
const cursor = page <= 1 ? null : mailboxPageCursorsRef.current[`${cursorKey}:${page}`] || null;
setLoadingMessages(true);
setMessageError("");
setDetailError("");
setError("");
try {
const response = await listMailboxMessages(settings, profileId, folder, pageSize, offset, cursor);
if (requestId !== messageListRequestRef.current) return;
const loaded = response.messages ?? [];
const total = response.total_count ?? loaded.length;
if (page <= 1) mailboxPageCursorsRef.current[`${cursorKey}:1`] = null;
if (response.next_cursor) mailboxPageCursorsRef.current[`${cursorKey}:${page + 1}`] = response.next_cursor;
setMessages(loaded);
setMessageTotalCount(total);
setFolderMessageCount(folder, total);
const rememberedKey = selectedMessageKeyRef.current;
if (rememberedKey && !loaded.some((message) => mailboxMessageKey(message.folder || folder, message.uid) === rememberedKey)) {
setSelectedMessage(null);
setSelectedMessageKeyState("");
setPendingMessageKey("");
}
} catch (err) {
if (requestId !== messageListRequestRef.current) return;
const message = errorText(err);
setMessageError(message);
setError(message);
setMessages([]);
setMessageTotalCount(null);
setSelectedMessage(null);
setSelectedMessageKeyState("");
setPendingMessageKey("");
} finally {
if (requestId === messageListRequestRef.current) setLoadingMessages(false);
}
}
async function openMessage(message: MailMailboxMessageSummary) {
if (!selectedProfileId) return;
const folderName = message.folder || selectedFolder;
const requestId = ++messageDetailRequestRef.current;
const nextKey = mailboxMessageKey(folderName, message.uid);
setSelectedMessageKeyState(nextKey);
selectedMessageKeyRef.current = nextKey;
setPendingMessageKey(nextKey);
setSelectedMessage(null);
setDetailError("");
setLoadingMessage(true);
setError("");
try {
const response = await getMailboxMessage(settings, selectedProfileId, folderName, message.uid);
if (requestId !== messageDetailRequestRef.current) return;
setSelectedMessage(response.message);
setSelectedMessageKeyState(mailboxMessageKey(response.message.folder || folderName, response.message.uid));
setPendingMessageKey("");
} catch (err) {
if (requestId !== messageDetailRequestRef.current) return;
const messageText = errorText(err);
setDetailError(messageText);
setError(messageText);
setPendingMessageKey("");
} finally {
if (requestId === messageDetailRequestRef.current) setLoadingMessage(false);
}
}
function selectProfile(profileId: string) {
folderRequestRef.current += 1;
messageListRequestRef.current += 1;
messageDetailRequestRef.current += 1;
setSelectedProfileId(profileId);
setFolders([]);
setFoldersLoadedForProfile("");
setMessages([]);
setMessageTotalCount(null);
setMessagePage(1);
setSelectedMessage(null);
setSelectedMessageKeyState("");
selectedMessageKeyRef.current = "";
setPendingMessageKey("");
setExpandedFolders(new Set());
setLoadingFolders(false);
setLoadingMessages(false);
setLoadingMessage(false);
}
function openFolderNode(node: MailFolderNode) {
if (node.folderName) {
if (node.folderName === selectedFolder && foldersReady) void loadMessages(selectedProfileId, node.folderName, messagePage, messagePageSize);else
{
setSelectedFolder(node.folderName);
setMessagePage(1);
setSelectedMessage(null);
setSelectedMessageKeyState("");
selectedMessageKeyRef.current = "";
setPendingMessageKey("");
setDetailError("");
}
return;
}
toggleFolderNode(node);
}
function toggleFolderNode(node: MailFolderNode) {
setExpandedFolders((current) => {
const next = new Set(current);
if (next.has(node.id)) next.delete(node.id);else
next.add(node.id);
return next;
});
}
function setFolderMessageCount(folderName: string, count: number) {
setFolders((current) => current.map((folder) => folder.name === folderName ? { ...folder, message_count: count } : folder));
}
function changeMessagePage(page: number) {
const nextPage = Math.min(messagePageCount, Math.max(1, page));
if (nextPage !== messagePage) setMessagePage(nextPage);
}
function changeMessagePageSize(pageSize: number) {
setMessagePageSize(pageSize);
setMessagePage(1);
}
return (
<div className="workspace-data-page module-entry-page file-manager-page file-manager-fullscreen mailbox-page">
{error && <DismissibleAlert tone="danger" resetKey={error} floating>{error}</DismissibleAlert>}
<div className={`file-manager-shell mailbox-shell ${shellBusy ? "is-loading" : ""}`}>
<aside className="file-tree-panel" aria-label="i18n:govoplan-mail.mailbox_folders.c92f6de4">
<div className="file-tree-heading">i18n:govoplan-mail.folders.19adc47b</div>
<div className="file-tree-list">
{folderTree.length === 0 && <p className="muted small-text mailbox-tree-empty">{folderEmptyText}</p>}
<ExplorerTree
nodes={folderTree}
getNodeId={(node) => node.id}
getNodeLabel={(node) => node.label}
getNodeChildren={(node) => node.children}
activeId={selectedFolderNodeId}
expandedIds={expandedFolders}
onOpen={openFolderNode}
onToggle={toggleFolderNode}
disabled={shellBusy}
renderNodeContent={(node) => {
const flagText = folderFlagLabel(node.flags);
const showCount = foldersReady && node.messageCount !== null;
return (
<span className="mailbox-tree-node-label">
<span className="mailbox-tree-node-main">
<span>{node.label}</span>
{showCount && <small className="mailbox-folder-count">{node.messageCount}</small>}
</span>
{flagText && <small>{flagText}</small>}
</span>);
}} />
</div>
</aside>
<section className="file-list-panel mailbox-message-list-panel" aria-label="i18n:govoplan-mail.mailbox_messages.5c06afaf">
<div className="file-list-sticky">
<div className="file-manager-toolbar mailbox-toolbar" aria-label="i18n:govoplan-mail.mail_actions.c08b5f08">
<label className="mailbox-profile-field">
<span>i18n:govoplan-mail.imap_profile.5165df81</span>
<select value={selectedProfileId} disabled={loadingProfiles || loadingFolders || imapProfiles.length === 0} onChange={(event) => selectProfile(event.target.value)}>
{imapProfiles.length === 0 && <option value="">i18n:govoplan-mail.no_imap_profiles_available.d64589f8</option>}
{imapProfiles.map((profile) => <option key={profile.id} value={profile.id}>{profile.name}</option>)}
</select>
</label>
<span className="mailbox-toolbar-meta">{selectedProfile?.imap ? transportLabel(selectedProfile) : "i18n:govoplan-mail.no_imap_profile_selected.e7d1516f"}</span>
<div className="mailbox-toolbar-actions">
<Button onClick={() => void loadProfiles()} disabled={loadingProfiles} title="i18n:govoplan-mail.reload_imap_profiles.b04c11c8">
<RefreshCw size={16} aria-hidden="true" />
i18n:govoplan-mail.profiles.0c2a9300
</Button>
<Button onClick={() => void loadFolders(selectedProfileId)} disabled={!selectedProfileId || loadingFolders} title="i18n:govoplan-mail.refresh_mailbox_folders.d9af9963">
<RefreshCw size={16} aria-hidden="true" />
i18n:govoplan-mail.folders.19adc47b
</Button>
<Button onClick={() => void loadMessages(selectedProfileId, selectedFolder, messagePage, messagePageSize)} disabled={!selectedProfileId || !selectedFolder || !foldersReady || loadingMessages} title="i18n:govoplan-mail.refresh_messages_in_the_current_folder.b6546a2c">
<RefreshCw size={16} aria-hidden="true" />
i18n:govoplan-mail.messages.f1702b46
</Button>
</div>
</div>
<nav className="file-breadcrumbs" aria-label="i18n:govoplan-mail.current_mailbox_folder.55e2aea5">
<span className="file-breadcrumb mailbox-breadcrumb-static"><Home size={15} aria-hidden="true" /> {selectedProfile?.name || "i18n:govoplan-mail.mail.92379cbb"}</span>
<span className="file-breadcrumb-segment"><ChevronRight size={14} aria-hidden="true" /><span className="file-breadcrumb mailbox-breadcrumb-static">{selectedFolder}</span></span>
</nav>
<div className="mailbox-filter-row">
<label className="mailbox-search-field">
<Search size={15} aria-hidden="true" />
<input value={messageQuery} onChange={(event) => setMessageQuery(event.target.value)} placeholder="i18n:govoplan-mail.search_messages.abea65ae" />
{messageQuery && <button type="button" onClick={() => setMessageQuery("")} aria-label="i18n:govoplan-mail.clear_message_search.cc9f2800"><X size={14} /></button>}
</label>
</div>
<div className="file-list-meta">
<span>{messageCountLabel}</span>
<span>{selectedFolder}</span>
{messageQuery && <span>{filteredMessages.length} match{filteredMessages.length === 1 ? "" : "es"} i18n:govoplan-mail.on_page.ca7166f4</span>}
{shellBusy && <span>i18n:govoplan-mail.working.049ac820</span>}
{loadingMessage && <span>{i18nMessage("i18n:govoplan-mail.loading_preview.ebd86225")}</span>}
</div>
<div className="file-list-table-head mailbox-message-head" role="row">
<span>i18n:govoplan-mail.subject.8d183dbd</span>
<span>i18n:govoplan-mail.date.eb9a4bc1</span>
<span>i18n:govoplan-mail.size.b7152342</span>
</div>
</div>
<div className="file-list-drop-target mailbox-message-scroll">
<div className="file-list-table mailbox-message-table" role="table" aria-label="i18n:govoplan-mail.mailbox_messages.5c06afaf">
{filteredMessages.length === 0 && <div className={`file-list-empty${messageError ? " mailbox-error-state" : ""}`}>{messageEmptyText}</div>}
{filteredMessages.map((message) => {
const key = mailboxMessageKey(message.folder || selectedFolder, message.uid);
const selected = key === selectedMessageKey;
const loadingSelected = loadingMessage && key === pendingMessageKey;
return (
<div
key={message.uid}
className={`file-list-row file-row mailbox-message-row ${selected ? "is-selected" : ""} ${loadingSelected ? "is-loading-message" : ""}`}
role="row"
tabIndex={0}
onClick={() => void openMessage(message)}
onKeyDown={(event) => {
if (event.key === "Enter" || event.key === " ") {
event.preventDefault();
void openMessage(message);
}
}}>
<div className="file-list-name-cell">
<div className="file-list-name">
<Mail className="file-row-icon" size={20} aria-hidden="true" />
<span>
<strong>{message.subject || "i18n:govoplan-mail.no_subject.49b20da0"}</strong>
<small>{message.from_header || "-"}</small>
</span>
</div>
</div>
<span className="mailbox-message-date">{formatDateTime(message.date, { fallback: "-" })}</span>
<span className="file-row-tail mailbox-message-tail">
{message.attachment_count ? <span><Paperclip size={14} aria-hidden="true" /> {message.attachment_count}</span> : null}
<span>{formatBytes(message.size_bytes)}</span>
</span>
</div>);
})}
</div>
</div>
<MailboxPagination
page={messagePage}
pageSize={messagePageSize}
totalRows={messageTotalCount ?? 0}
disabled={loadingMessages || !foldersReady}
onPageChange={changeMessagePage}
onPageSizeChange={changeMessagePageSize} />
</section>
<section className="mailbox-preview-panel" aria-label="i18n:govoplan-mail.message_preview.58de1450">
<div className="file-tree-heading">i18n:govoplan-mail.preview.f1fbb2b4</div>
<div className="mailbox-preview-scroll">
<MessageDisplayPanel
title={selectedMessage?.subject}
fields={selectedMessage ? [
{ label: "i18n:govoplan-mail.from.3f66052a", value: selectedMessage.from_header || "-" },
{ label: "i18n:govoplan-mail.to.ae79ea1e", value: selectedMessage.to_header || "-" },
{ label: "i18n:govoplan-mail.cc.1fd6a880", value: selectedMessage.cc_header || null },
{ label: "i18n:govoplan-mail.bcc.8431acad", value: selectedMessage.bcc_header || null },
{ label: "i18n:govoplan-mail.date.eb9a4bc1", value: formatDateTime(selectedMessage.date, { fallback: "-" }) }] :
[]}
bodyText={selectedMessage?.body_text}
bodyHtml={selectedMessage?.body_html}
bodyPreview={selectedMessage?.body_preview}
headers={selectedMessage?.headers}
attachments={selectedMessage?.attachments?.map((attachment) => ({
filename: attachment.filename,
contentType: attachment.content_type,
sizeBytes: attachment.size_bytes
}))}
emptyText={previewEmptyText} />
</div>
</section>
{shellBusy &&
<div className="file-manager-loading-overlay" aria-live="polite" aria-busy="true">
<div className="loading-frame-panel"><LoadingIndicator label={loadingLabel} /> <span>{i18nMessage(loadingLabel)}</span></div>
</div>
}
</div>
</div>);
}
function MailboxPagination({ page, pageSize, totalRows, disabled, onPageChange, onPageSizeChange }: {page: number;pageSize: number;totalRows: number;disabled: boolean;onPageChange: (page: number) => void;onPageSizeChange: (pageSize: number) => void;}) {
const pageCount = Math.max(1, Math.ceil(totalRows / pageSize));
const first = totalRows === 0 ? 0 : (page - 1) * pageSize + 1;
const last = Math.min(totalRows, page * pageSize);
const options = [10, 25, 50, 100];
return (
<div className="data-grid-pagination mailbox-pagination" aria-label="i18n:govoplan-mail.mailbox_message_pagination.965407bf">
<div className="data-grid-pagination-summary">{first}-{last} of {totalRows}</div>
<label className="data-grid-page-size">
<span>i18n:govoplan-mail.rows_per_page.af2f9c1b</span>
<select value={pageSize} disabled={disabled} onChange={(event) => onPageSizeChange(Number(event.target.value))}>
{options.map((value) => <option key={value} value={value}>{value}</option>)}
</select>
</label>
<div className="data-grid-page-controls">
<button type="button" aria-label="i18n:govoplan-mail.first_page.49d74b49" disabled={disabled || page <= 1} onClick={() => onPageChange(1)}><ChevronsLeft size={16} /></button>
<button type="button" aria-label="i18n:govoplan-mail.previous_page.81f54719" disabled={disabled || page <= 1} onClick={() => onPageChange(page - 1)}><ChevronLeft size={16} /></button>
<span>i18n:govoplan-mail.page.fb06270f {page} of {pageCount}</span>
<button type="button" aria-label="i18n:govoplan-mail.next_page.4bfc194b" disabled={disabled || page >= pageCount} onClick={() => onPageChange(page + 1)}><ChevronRight size={16} /></button>
<button type="button" aria-label="i18n:govoplan-mail.last_page.b01f16ae" disabled={disabled || page >= pageCount} onClick={() => onPageChange(pageCount)}><ChevronsRight size={16} /></button>
</div>
</div>);
}
function mailboxMessageKey(folder: string, uid: string): string {
return `${folder || "INBOX"}::${uid}`;
}
function mailboxCursorKey(profileId: string, folder: string, pageSize: number): string {
return `${profileId}::${folder || "INBOX"}::${pageSize}`;
}
function filterMessages(messages: MailMailboxMessageSummary[], query: string): MailMailboxMessageSummary[] {
const normalized = query.trim().toLocaleLowerCase();
if (!normalized) return messages;
return messages.filter((message) => [
message.subject,
message.from_header,
message.to_header,
message.cc_header,
message.date,
message.body_preview].
some((value) => String(value ?? "").toLocaleLowerCase().includes(normalized)));
}
function messageListCountLabel(visibleCount: number, totalCount: number | null, loading: boolean, ready: boolean): string {
if (!ready) return "i18n:govoplan-mail.no_folder_loaded.889bdb1b";
if (loading) return "i18n:govoplan-mail.loading_messages.4294022c";
if (totalCount !== null && totalCount > visibleCount) return i18nMessage("i18n:govoplan-mail.value_of_value_messages.981a1618", { value0: visibleCount, value1: totalCount });
const count = totalCount ?? visibleCount;
return i18nMessage(count === 1 ? "i18n:govoplan-mail.value_message" : "i18n:govoplan-mail.value_messages", { value0: count });
}
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 "i18n:govoplan-mail.sent.35f49dcf";
case "drafts":
return "i18n:govoplan-mail.drafts.22a31d86";
case "trash":
return "i18n:govoplan-mail.trash.e3bf62bb";
case "archive":
return "i18n:govoplan-mail.archive.2621c6fd";
case "junk":
return "i18n:govoplan-mail.junk.86c7d94c";
case "flagged":
return "i18n:govoplan-mail.flagged.f8db8a17";
case "haschildren":
case "hasnochildren":
case "noselect":
return null;
default:
return null;
}
}
function transportLabel(profile: MailServerProfile): string {
const imap = profile.imap;
if (!imap?.host) return "i18n:govoplan-mail.imap_not_configured.b2892af3";
return `${imap.host}:${imap.port ?? "?"} ${imap.security ?? ""}`.trim();
}
function formatBytes(value?: number | null): string {
if (!value) return "-";
if (value < 1024) return i18nMessage("i18n:govoplan-mail.bytes_b", { value0: value });
if (value < 1024 * 1024) return i18nMessage("i18n:govoplan-mail.bytes_kb", { value0: (value / 1024).toFixed(1) });
return i18nMessage("i18n:govoplan-mail.bytes_mb", { value0: (value / 1024 / 1024).toFixed(1) });
}
function errorText(error: unknown): string {
return error instanceof Error ? error.message : String(error);
}
function isEditableTarget(target: EventTarget | null): boolean {
if (!(target instanceof HTMLElement)) return false;
return target.isContentEditable || ["INPUT", "SELECT", "TEXTAREA"].includes(target.tagName);
}