From 1028a3285e88f6d5dd7280b5cc0a9f73148a9052 Mon Sep 17 00:00:00 2001
From: alma <alma@governance-labs.org>
Date: Fri, 25 Apr 2025 12:50:28 +0200
Subject: [PATCH] panel 2 courier api

---
 app/api/courrier/route.ts | 50 +++++++++++++++++++++++----------------
 1 file changed, 29 insertions(+), 21 deletions(-)

diff --git a/app/api/courrier/route.ts b/app/api/courrier/route.ts
index 802e8d56..510a2ede 100644
--- a/app/api/courrier/route.ts
+++ b/app/api/courrier/route.ts
@@ -21,8 +21,17 @@ interface Email {
   preview?: string | null;
 }
 
-// Configure efficient caching with TTL
-const emailCache = new LRUCache<string, Email>({
+interface CachedData {
+  emails: Email[];
+  folders: string[];
+  total: number;
+  hasMore: boolean;
+  page: number;
+  limit: number;
+}
+
+// Configure efficient caching with TTL - fix the type to allow any data
+const emailCache = new LRUCache<string, any>({
   max: 500, // Store up to 500 emails
   ttl: 1000 * 60 * 5, // Cache for 5 minutes
 });
@@ -53,6 +62,7 @@ async function getImapClient(userId: string, credentials: any): Promise<ImapFlow
     return existing.client;
   }
   
+  // Remove invalid options
   const client = new ImapFlow({
     host: credentials.host,
     port: credentials.port,
@@ -66,11 +76,7 @@ async function getImapClient(userId: string, credentials: any): Promise<ImapFlow
     tls: {
       rejectUnauthorized: false
     },
-    // Add connection optimizations
-    disableAutoIdle: true,
-    idleTimeout: 30000,
-    connectTimeout: 10000,
-    greetingTimeout: 5000,
+    disableAutoIdle: true
   });
   
   await client.connect();
@@ -140,7 +146,7 @@ export async function GET(request: Request) {
       const cachedFolders = emailCache.get(foldersCacheKey);
       
       if (cachedFolders) {
-        availableFolders = cachedFolders as unknown as string[];
+        availableFolders = cachedFolders;
       } else {
         const mailboxes = await client.list();
         availableFolders = mailboxes.map(box => box.path);
@@ -153,28 +159,30 @@ export async function GET(request: Request) {
       const result: Email[] = [];
       
       // 8. Fetch emails (if any exist)
+      // Define start and end variables HERE
+      let start = 1;
+      let end = 0;
+      
       if (mailbox.exists > 0) {
         // Calculate range with boundaries
-        const start = Math.min((page - 1) * limit + 1, mailbox.exists);
-        const end = Math.min(start + limit - 1, mailbox.exists);
+        start = Math.min((page - 1) * limit + 1, mailbox.exists);
+        end = Math.min(start + limit - 1, mailbox.exists);
         
         // Use sequence numbers in descending order for newest first
-        const range = mailbox.exists - end + 1 + ':' + (mailbox.exists - start + 1);
+        const range = `${mailbox.exists - end + 1}:${mailbox.exists - start + 1}`;
         
         // Fetch messages with optimized options
-        const options = {
+        const options: any = {
           envelope: true,
           flags: true,
-          bodyStructure: true,
-          // Only fetch preview if requested
-          ...(preview ? {
-            bodyParts: ['TEXT', 'HTML'],
-            bodyPartsOptions: {
-              maxLength: 1000 // Limit preview length
-            }
-          } : {})
+          bodyStructure: true
         };
         
+        // Only fetch preview if requested
+        if (preview) {
+          options.bodyParts = ['TEXT', 'HTML'];
+        }
+        
         const messages = await client.fetch(range, options);
         
         // Process messages
@@ -193,7 +201,7 @@ export async function GET(request: Request) {
             from: message.envelope.from?.[0]?.address || '',
             fromName: message.envelope.from?.[0]?.name || 
                      message.envelope.from?.[0]?.address?.split('@')[0] || '',
-            to: message.envelope.to?.map(addr => addr.address).join(', ') || '',
+            to: message.envelope.to?.map((addr: any) => addr.address).join(', ') || '',
             subject: message.envelope.subject || '(No subject)',
             date: message.envelope.date?.toISOString() || new Date().toISOString(),
             read: message.flags.has('\\Seen'),