panel 2 courier api

This commit is contained in:
alma 2025-04-25 12:46:02 +02:00
parent ecb308d9fb
commit bd809be84f

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@ -3,28 +3,94 @@ import { ImapFlow } from 'imapflow';
import { getServerSession } from 'next-auth';
import { authOptions } from '@/app/api/auth/[...nextauth]/route';
import { prisma } from '@/lib/prisma';
import LRU from 'lru-cache';
// Add caching for better performance
const cache = new Map();
// Define types
interface Email {
id: string;
from: string;
fromName?: string;
to: string;
subject: string;
date: string;
read: boolean;
starred: boolean;
folder: string;
hasAttachments: boolean;
flags: string[];
preview?: string | null;
}
const getCachedEmail = (id: string) => cache.get(id);
const setCachedEmail = (id: string, email: Email) => cache.set(id, email);
// Configure efficient caching with TTL
const emailCache = new LRU<string, Email>({
max: 500, // Store up to 500 emails
ttl: 1000 * 60 * 5, // Cache for 5 minutes
});
// Add debouncing for folder changes
const debouncedLoadEmails = debounce((folder: string) => {
loadEmails(folder);
}, 300);
// Keep IMAP connections per user with timeouts
const connectionPool = new Map<string, {
client: ImapFlow;
lastUsed: number;
}>();
// Add infinite scroll
const handleScroll = (e: React.UIEvent<HTMLDivElement>) => {
const { scrollTop, scrollHeight, clientHeight } = e.currentTarget;
if (scrollHeight - scrollTop === clientHeight) {
// Load more emails
// Clean up idle connections periodically
setInterval(() => {
const now = Date.now();
connectionPool.forEach((connection, userId) => {
if (now - connection.lastUsed > 1000 * 60 * 2) { // 2 minutes idle
connection.client.logout().catch(console.error);
connectionPool.delete(userId);
}
});
}, 60000); // Check every minute
// Get or create IMAP client for user
async function getImapClient(userId: string, credentials: any): Promise<ImapFlow> {
const existing = connectionPool.get(userId);
if (existing) {
existing.lastUsed = Date.now();
return existing.client;
}
};
const client = new ImapFlow({
host: credentials.host,
port: credentials.port,
secure: true,
auth: {
user: credentials.email,
pass: credentials.password,
},
logger: false,
emitLogs: false,
tls: {
rejectUnauthorized: false
},
// Add connection optimizations
disableAutoIdle: true,
idleTimeout: 30000,
connectTimeout: 10000,
greetingTimeout: 5000,
});
await client.connect();
connectionPool.set(userId, {
client,
lastUsed: Date.now()
});
return client;
}
// Generate cache key
function getCacheKey(userId: string, folder: string, page: number, limit: number): string {
return `${userId}:${folder}:${page}:${limit}`;
}
export async function GET(request: Request) {
try {
// 1. Authentication
const session = await getServerSession(authOptions);
if (!session?.user?.id) {
return NextResponse.json(
@ -33,7 +99,24 @@ export async function GET(request: Request) {
);
}
// Get credentials from database
// 2. Parse request parameters
const url = new URL(request.url);
const folder = url.searchParams.get('folder') || 'INBOX';
const page = parseInt(url.searchParams.get('page') || '1');
const limit = parseInt(url.searchParams.get('limit') || '20');
const preview = url.searchParams.get('preview') === 'true';
const forceRefresh = url.searchParams.get('refresh') === 'true';
// 3. Check cache first (unless refresh requested)
const cacheKey = getCacheKey(session.user.id, folder, page, limit);
if (!forceRefresh) {
const cachedData = emailCache.get(cacheKey);
if (cachedData) {
return NextResponse.json(cachedData);
}
}
// 4. Get credentials
const credentials = await prisma.mailCredentials.findUnique({
where: {
userId: session.user.id
@ -47,72 +130,69 @@ export async function GET(request: Request) {
);
}
// Get query parameters
const url = new URL(request.url);
const folder = url.searchParams.get('folder') || 'INBOX';
const page = parseInt(url.searchParams.get('page') || '1');
const limit = parseInt(url.searchParams.get('limit') || '20');
const preview = url.searchParams.get('preview') === 'true';
// Calculate start and end sequence numbers
const start = (page - 1) * limit + 1;
const end = start + limit - 1;
// Connect to IMAP server
const client = new ImapFlow({
host: credentials.host,
port: credentials.port,
secure: true,
auth: {
user: credentials.email,
pass: credentials.password,
},
logger: false,
emitLogs: false,
tls: {
rejectUnauthorized: false
}
});
// 5. Get IMAP client from pool (or create new)
const client = await getImapClient(session.user.id, credentials);
try {
await client.connect();
// 6. Get mailboxes (with caching)
let availableFolders: string[];
const foldersCacheKey = `folders:${session.user.id}`;
const cachedFolders = emailCache.get(foldersCacheKey);
// Get list of all mailboxes first
const mailboxes = await client.list();
const availableFolders = mailboxes.map(box => box.path);
if (cachedFolders) {
availableFolders = cachedFolders as unknown as string[];
} else {
const mailboxes = await client.list();
availableFolders = mailboxes.map(box => box.path);
emailCache.set(foldersCacheKey, availableFolders);
}
// Open the requested mailbox
// 7. Open mailbox
const mailbox = await client.mailboxOpen(folder);
const result = [];
const result: Email[] = [];
// Only try to fetch if the mailbox has messages
// 8. Fetch emails (if any exist)
if (mailbox.exists > 0) {
// Adjust start and end to be within bounds
const adjustedStart = Math.min(start, mailbox.exists);
const adjustedEnd = Math.min(end, mailbox.exists);
// Calculate range with boundaries
const start = Math.min((page - 1) * limit + 1, mailbox.exists);
const end = Math.min(start + limit - 1, mailbox.exists);
// Fetch both metadata and preview content
const messages = await client.fetch(`${adjustedStart}:${adjustedEnd}`, {
// Use sequence numbers in descending order for newest first
const range = mailbox.exists - end + 1 + ':' + (mailbox.exists - start + 1);
// Fetch messages with optimized options
const options = {
envelope: true,
flags: true,
bodyStructure: true,
// Only fetch preview content if requested
// Only fetch preview if requested
...(preview ? {
bodyParts: ['TEXT'],
bodyParts: ['TEXT', 'HTML'],
bodyPartsOptions: {
TEXT: {
maxLength: 1000 // Limit preview length
}
maxLength: 1000 // Limit preview length
}
} : {})
});
};
const messages = await client.fetch(range, options);
// Process messages
for await (const message of messages) {
result.push({
id: message.uid,
// Extract preview content correctly
let previewContent = null;
if (preview && message.bodyParts) {
// Try HTML first, then TEXT
const htmlPart = message.bodyParts.get('HTML');
const textPart = message.bodyParts.get('TEXT');
previewContent = htmlPart?.toString() || textPart?.toString() || null;
}
const email: Email = {
id: message.uid.toString(),
from: message.envelope.from?.[0]?.address || '',
fromName: message.envelope.from?.[0]?.name || message.envelope.from?.[0]?.address?.split('@')[0] || '',
fromName: message.envelope.from?.[0]?.name ||
message.envelope.from?.[0]?.address?.split('@')[0] || '',
to: message.envelope.to?.map(addr => addr.address).join(', ') || '',
subject: message.envelope.subject || '(No subject)',
date: message.envelope.date?.toISOString() || new Date().toISOString(),
@ -121,24 +201,31 @@ export async function GET(request: Request) {
folder: mailbox.path,
hasAttachments: message.bodyStructure?.type === 'multipart',
flags: Array.from(message.flags),
// Include preview content if available
preview: preview ? message.bodyParts?.TEXT?.toString() : null
});
preview: previewContent
};
result.push(email);
}
}
return NextResponse.json({
// 9. Prepare response data
const responseData = {
emails: result,
folders: availableFolders,
total: mailbox.exists,
hasMore: end < mailbox.exists
});
} finally {
try {
await client.logout();
} catch (e) {
console.error('Error during logout:', e);
}
hasMore: end < mailbox.exists,
page,
limit
};
// 10. Cache the results
emailCache.set(cacheKey, responseData);
return NextResponse.json(responseData);
} catch (error) {
// Connection error - remove from pool
connectionPool.delete(session.user.id);
throw error;
}
} catch (error) {
console.error('Error in courrier route:', error);
@ -147,4 +234,12 @@ export async function GET(request: Request) {
{ status: 500 }
);
}
}
// Helper method to release connection when app shutting down
export async function cleanup() {
for (const [userId, connection] of connectionPool.entries()) {
await connection.client.logout().catch(console.error);
connectionPool.delete(userId);
}
}