Revert "feat: auto-move imported emails to IMAP folder and add 90-day cleanup"

This reverts commit b1b30fe1dd.

.env.example

@@ -67,9 +67,3 @@ AGRARMONITOR_UPLOAD_CHECK_CRON=0 * * * * *   # Upload-Check-Intervall (Standard:
 # Leer lassen: E-Mails werden ohne Links versendet
 APP_URL=
 DAILY_DIGEST_CRON=   # Standard: 0 7 * * * (täglich 07:00 Uhr Europe/Berlin)
-
-# --- IMAP-Ordnerverwaltung ---
-# Zielordner für importierte E-Mails (wird automatisch angelegt falls nicht vorhanden)
-IMAP_IMPORTED_FOLDER=importiert
-# Papierkorb-Ordner für die 90-Tage-Bereinigung (Gmail: "[Gmail]/Papierkorb", Outlook: "Deleted Items")
-IMAP_TRASH_FOLDER=Trash

docker-compose.yml

@@ -36,8 +36,6 @@ services:
       - IMAP_USE_SSL=${IMAP_USE_SSL:-true}
       - IMAP_USERNAME=${IMAP_USERNAME:-}
       - IMAP_PASSWORD=${IMAP_PASSWORD:-}
-      - IMAP_IMPORTED_FOLDER=${IMAP_IMPORTED_FOLDER:-importiert}
-      - IMAP_TRASH_FOLDER=${IMAP_TRASH_FOLDER:-Trash}
       - BELEGNUMMER_GET_URL=${BELEGNUMMER_GET_URL:-}
       - BELEGNUMMER_SET_URL=${BELEGNUMMER_SET_URL:-}
       - AGRARMONITOR_BASE_URL=${AGRARMONITOR_BASE_URL:-https://admin7.agrarmonitor.de}

paperless-backend/src/barcode/barcode-scanner.service.ts

@@ -34,7 +34,6 @@ export interface MatchedBarcode {
 export class BarcodeScannerService implements OnApplicationBootstrap {
   private readonly logger = new Logger(BarcodeScannerService.name);
   private templatesCache: BarcodeTemplate[] | null = null;
-  private readonly regenerating = new Map<string, Promise<void>>();
 
   constructor(
     private readonly pdfService: PdfService,
@@ -121,44 +120,6 @@ export class BarcodeScannerService implements OnApplicationBootstrap {
     return this.matchTemplates(doc.QrCodes ?? []);
   }
 
-  /**
-   * Stellt sicher, dass der Seiten-Cache (thumb/preview-PNGs) für ein Dokument
-   * vorhanden ist. Parallele Aufrufe für dasselbe Dokument warten auf dasselbe
-   * Promise, um doppeltes Rendering zu vermeiden.
-   */
-  async ensurePageCache(documentId: string, pdfPath: string): Promise<void> {
-    const existing = this.regenerating.get(documentId);
-    if (existing) return existing;
-
-    const work = this.doRegenerateCache(documentId, pdfPath).finally(() => {
-      this.regenerating.delete(documentId);
-    });
-    this.regenerating.set(documentId, work);
-    return work;
-  }
-
-  private async doRegenerateCache(
-    documentId: string,
-    pdfPath: string,
-  ): Promise<void> {
-    let images: string[] = [];
-    try {
-      images = await this.pdfService.pdfToImages(pdfPath, 200);
-      await this.pageCache.clear(documentId);
-      await this.pageCache.generate(documentId, images);
-      this.logger.log(
-        `Seiten-Cache regeneriert für ${documentId} (${images.length} Seiten)`,
-      );
-    } catch (err: unknown) {
-      this.logger.warn(
-        `Cache-Regenerierung fehlgeschlagen (${documentId}): ${getErrorMessage(err)}`,
-      );
-      throw err;
-    } finally {
-      await this.pdfService.cleanup(images);
-    }
-  }
-
   private async matchTemplates(
     qrCodes: StoredQrCode[],
   ): Promise<MatchedBarcode[]> {

paperless-backend/src/email-download/email-download.service.ts

@@ -56,62 +56,11 @@ export class EmailDownloadService {
     }
   }
 
-  private createImapClient(): ImapFlow {
-    return new ImapFlow({
-      host: this.configService.get<string>('IMAP_HOST', ''),
-      port: this.configService.get<number>('IMAP_PORT', 993),
-      secure: this.configService.get<string>('IMAP_USE_SSL', 'true') === 'true',
-      auth: {
-        user: this.configService.get<string>('IMAP_USERNAME', ''),
-        pass: this.configService.get<string>('IMAP_PASSWORD', ''),
-      },
-      logger: false,
-    });
-  }
-
-  @Cron('0 3 * * *', { timeZone: 'Europe/Berlin' })
-  async cleanupImportedEmails(): Promise<void> {
-    if (!this.configService.get<string>('IMAP_HOST')) return;
-    const importedFolder = this.configService.get<string>('IMAP_IMPORTED_FOLDER', 'importiert');
-    const trashFolder = this.configService.get<string>('IMAP_TRASH_FOLDER', 'Trash');
-    const client = this.createImapClient();
-    try {
-      await client.connect();
-
-      // Alte E-Mails (> 90 Tage) in Papierkorb verschieben
-      try {
-        await client.mailboxOpen(importedFolder);
-        const cutoff = new Date();
-        cutoff.setDate(cutoff.getDate() - 90);
-        const oldUids = await client.search({ before: cutoff }, { uid: true });
-        if (Array.isArray(oldUids) && oldUids.length > 0) {
-          await client.messageMove(oldUids, trashFolder, { uid: true });
-          this.logger.log(`${oldUids.length} alte E-Mail(s) aus "${importedFolder}" in "${trashFolder}" verschoben.`);
-        }
-      } catch (err: any) {
-        this.logger.warn(`Bereinigung "${importedFolder}" nicht möglich: ${err.message}`);
-      }
-
-      // Papierkorb leeren
-      try {
-        await client.mailboxOpen(trashFolder);
-        const trashUids = await client.search({ all: true }, { uid: true });
-        if (Array.isArray(trashUids) && trashUids.length > 0) {
-          await client.messageDelete(trashUids, { uid: true });
-          this.logger.log(`${trashUids.length} E-Mail(s) aus "${trashFolder}" gelöscht.`);
-        }
-      } catch (err: any) {
-        this.logger.warn(`Papierkorb "${trashFolder}" konnte nicht geleert werden: ${err.message}`);
-      }
-    } catch (err: any) {
-      this.logger.error(`IMAP-Cleanup fehlgeschlagen: ${err.message}`);
-    } finally {
-      await client.logout().catch(() => {});
-    }
-  }
-
   private async fetchAndStore(): Promise<void> {
     const host = this.configService.get<string>('IMAP_HOST');
+    const port = this.configService.get<number>('IMAP_PORT', 993);
+    const secure =
+      this.configService.get<string>('IMAP_USE_SSL', 'true') === 'true';
     const user = this.configService.get<string>('IMAP_USERNAME');
     const pass = this.configService.get<string>('IMAP_PASSWORD');
 
@@ -124,10 +73,16 @@ export class EmailDownloadService {
 
     this.logger.log('E-Mail Fetch Job gestartet.');
 
-    const client = this.createImapClient();
+    const client = new ImapFlow({
+      host,
+      port,
+      secure,
+      auth: { user, pass },
+      logger: false,
+    });
 
     await client.connect();
-    this.logger.log(`Verbunden mit IMAP-Server ${host}.`);
+    this.logger.log(`Verbunden mit IMAP-Server ${host}:${port}`);
 
     const lock = await client.getMailboxLock('INBOX');
     try {

paperless-backend/src/email/email-import.service.ts

@@ -12,7 +12,6 @@ import { Task } from '../database/entities/task.entity';
 import { PaperlessService } from '../paperless/paperless.service';
 import * as QRCode from 'qrcode';
 import { EmailPageCacheService } from './email-page-cache.service';
-import { ImapFolderService } from './imap-folder.service';
 import { PdfService } from '../preprocessing/pdf.service';
 import * as path from 'path';
 import * as os from 'os';
@@ -54,7 +53,6 @@ export class EmailImportService {
     private readonly paperlessService: PaperlessService,
     private readonly pdfService: PdfService,
     private readonly pageCache: EmailPageCacheService,
-    private readonly imapFolderService: ImapFolderService,
   ) {}
 
   async ensurePreviews(emailId: number): Promise<void> {
@@ -655,12 +653,6 @@ export class EmailImportService {
           this.logger.log(
             `Email ${firstAtt.EmailMessageId} als verarbeitet markiert.`,
           );
-          const emailEntity = await this.emailRepo.findOne({ where: { Id: firstAtt.EmailMessageId } });
-          if (emailEntity) {
-            this.imapFolderService.moveToImportiert(emailEntity.MessageId).catch(err =>
-              this.logger.error('IMAP-Verschieben fehlgeschlagen: ' + err.message),
-            );
-          }
         }
       }
 

paperless-backend/src/email/email.module.ts

@@ -9,7 +9,6 @@ import { EmailPageCacheService } from './email-page-cache.service';
 
 import { EmailImportController } from './email-import.controller';
 import { EmailImportService } from './email-import.service';
-import { ImapFolderService } from './imap-folder.service';
 import { CorrespondentEmailMapping } from '../database/entities/correspondent-email-mapping.entity';
 import { Task } from '../database/entities/task.entity';
 import { PreprocessingModule } from '../preprocessing/preprocessing.module';
@@ -27,7 +26,7 @@ import { PreprocessingModule } from '../preprocessing/preprocessing.module';
     PreprocessingModule,
   ],
   controllers: [EmailController, EmailImportController],
-  providers: [EmailImportService, EmailPageCacheService, ImapFolderService],
+  providers: [EmailImportService, EmailPageCacheService],
   exports: [EmailPageCacheService],
 })
 export class EmailModule {}

paperless-backend/src/email/imap-folder.service.ts

@@ -1,52 +0,0 @@
-import { Injectable, Logger } from '@nestjs/common';
-import { ConfigService } from '@nestjs/config';
-import { ImapFlow } from 'imapflow';
-
-@Injectable()
-export class ImapFolderService {
-  private readonly logger = new Logger(ImapFolderService.name);
-
-  constructor(private readonly configService: ConfigService) {}
-
-  private createClient(): ImapFlow {
-    return new ImapFlow({
-      host: this.configService.get<string>('IMAP_HOST', ''),
-      port: this.configService.get<number>('IMAP_PORT', 993),
-      secure: this.configService.get<string>('IMAP_USE_SSL', 'true') === 'true',
-      auth: {
-        user: this.configService.get<string>('IMAP_USERNAME', ''),
-        pass: this.configService.get<string>('IMAP_PASSWORD', ''),
-      },
-      logger: false,
-    });
-  }
-
-  async moveToImportiert(messageId: string): Promise<void> {
-    if (!this.configService.get<string>('IMAP_HOST')) return;
-
-    const importedFolder = this.configService.get<string>('IMAP_IMPORTED_FOLDER', 'importiert');
-    const client = this.createClient();
-    try {
-      await client.connect();
-
-      const mailboxes = await client.list();
-      if (!mailboxes.some(m => m.path === importedFolder)) {
-        await client.mailboxCreate(importedFolder);
-        this.logger.log(`IMAP-Ordner "${importedFolder}" erstellt.`);
-      }
-
-      await client.mailboxOpen('INBOX');
-      const uids = await client.search({ header: { 'message-id': messageId } }, { uid: true });
-      if (Array.isArray(uids) && uids.length > 0) {
-        await client.messageMove(uids, importedFolder, { uid: true });
-        this.logger.log(`E-Mail ${messageId} → "${importedFolder}" verschoben.`);
-      } else {
-        this.logger.warn(`E-Mail ${messageId} nicht in INBOX gefunden (bereits verschoben?).`);
-      }
-    } catch (err: any) {
-      this.logger.error(`IMAP moveToImportiert fehlgeschlagen: ${err.message}`);
-    } finally {
-      await client.logout().catch(() => {});
-    }
-  }
-}

paperless-backend/src/inbox/inbox.service.ts

@@ -232,7 +232,7 @@ export class InboxService {
     variant: 'preview' | 'thumbnail',
     preferredUsername: string | null,
   ): Promise<string> {
-    const { doc, pdfPath } = await this.resolveDocument(id, preferredUsername);
+    const { doc } = await this.resolveDocument(id, preferredUsername);
     if (!Number.isInteger(page) || page < 1 || page > doc.PageCount) {
       throw new NotFoundException('Seite nicht gefunden');
     }
@@ -243,14 +243,9 @@ export class InboxService {
 
     try {
       await fs.access(filePath);
-    } catch {
-      try {
-        await this.barcodeScanner.ensurePageCache(doc.Id, pdfPath);
-        await fs.access(filePath);
     } catch {
       throw new NotFoundException('Seite nicht gefunden');
     }
-    }
     return filePath;
   }