feat: add clickable links to daily digest emails via APP_URL

- Read APP_URL and AGRARMONITOR_BASE_URL from config
- Render dashboard entries as clickable links in HTML digest email
- Add APP_URL and DAILY_DIGEST_CRON to .env.example and docker-compose.yml

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.env.example

@@ -61,3 +61,9 @@ AGRARMONITOR_COOKIE_PATH=./data/agrarmonitor-cookies.json
 AGRARMONITOR_ENCRYPTION_KEY=   # optional, 16+ Zeichen für Cookie-Verschlüsselung
 AGRARMONITOR_POLLING_CRON=0 */30 * * * *   # Polling-Intervall (Standard: alle 30 Minuten); leer lassen zum Deaktivieren
 AGRARMONITOR_UPLOAD_CHECK_CRON=0 * * * * *   # Upload-Check-Intervall (Standard: einmal pro Minute); leer lassen zum Deaktivieren
+
+# --- Täglicher Digest ---
+# Basis-URL der App für klickbare Links in Digest-E-Mails (z.B. https://paperless.example.com)
+# Leer lassen: E-Mails werden ohne Links versendet
+APP_URL=
+DAILY_DIGEST_CRON=   # Standard: 0 7 * * * (täglich 07:00 Uhr)

docker-compose.yml

@@ -47,6 +47,8 @@ services:
       - AGRARMONITOR_ENCRYPTION_KEY=${AGRARMONITOR_ENCRYPTION_KEY:-}
       - AGRARMONITOR_POLLING_CRON=${AGRARMONITOR_POLLING_CRON:-}
       - AGRARMONITOR_UPLOAD_CHECK_CRON=${AGRARMONITOR_UPLOAD_CHECK_CRON:-}
+      - APP_URL=${APP_URL:-}
+      - DAILY_DIGEST_CRON=${DAILY_DIGEST_CRON:-}
     volumes:
       - /mnt/scans:/mnt/scans
       - /mnt/paperlessmanager:/mnt/data

paperless-backend/src/daily-digest/daily-digest.service.ts

@@ -1,4 +1,5 @@
 import { Injectable, Logger } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
 import { Cron } from '@nestjs/schedule';
 import { StatsService, DashboardCounts } from '../stats/stats.service';
 import { UserSettingsService } from '../user-settings/user-settings.service';
@@ -7,17 +8,23 @@ import { MailService } from '../postprocessing/mail.service';
 @Injectable()
 export class DailyDigestService {
   private readonly logger = new Logger(DailyDigestService.name);
+  private readonly appUrl: string;
+  private readonly agrarmonitorBaseUrl: string;
 
   constructor(
     private readonly statsService: StatsService,
     private readonly userSettingsService: UserSettingsService,
     private readonly mailService: MailService,
-  ) {}
+    private readonly configService: ConfigService,
+  ) {
+    this.appUrl = this.configService.get<string>('APP_URL', '');
+    this.agrarmonitorBaseUrl = this.configService.get<string>('AGRARMONITOR_BASE_URL', '');
+  }
 
   async sendDigestForUser(userId: string, email: string, preferredUsername?: string) {
     const today = new Date().toLocaleDateString('de-DE', { weekday: 'long', year: 'numeric', month: 'long', day: 'numeric' });
     const counts = await this.statsService.getDashboardCounts(preferredUsername);
-    const html = buildDigestHtml(counts, today);
+    const html = buildDigestHtml(counts, today, this.appUrl, this.agrarmonitorBaseUrl);
     const plainText = buildDigestPlainText(counts, today);
     await this.mailService.sendMail({
       to: email,
@@ -43,7 +50,7 @@ export class DailyDigestService {
     for (const sub of subscribers) {
       try {
         const counts = await this.statsService.getDashboardCounts(sub.UserPreferredUsername ?? undefined);
-        const html = buildDigestHtml(counts, today);
+        const html = buildDigestHtml(counts, today, this.appUrl, this.agrarmonitorBaseUrl);
         const plainText = buildDigestPlainText(counts, today);
         await this.mailService.sendMail({
           to: sub.UserEmail!,
@@ -65,23 +72,26 @@ function countColor(n: number): string {
   return '#dc2626';
 }
 
-function buildDigestHtml(counts: DashboardCounts, today: string): string {
-  const rows: { label: string; count: number }[] = [
-    { label: 'Eingangsbox (Scanner)', count: counts.inbox },
-    { label: 'Posteingang', count: counts.posteingang },
-    { label: 'Manuell bearbeiten', count: counts.manuell },
-    { label: 'Mailpostfach', count: counts.mailpostfach },
-    { label: 'In Agrarmonitor', count: counts.agrarmonitor },
+function buildDigestHtml(counts: DashboardCounts, today: string, appUrl: string, agrarmonitorBaseUrl: string): string {
+  const rows: { label: string; count: number; url: string }[] = [
+    { label: 'Eingangsbox (Scanner)', count: counts.inbox,        url: appUrl ? `${appUrl}/inbox` : '' },
+    { label: 'Posteingang',           count: counts.posteingang,  url: appUrl ? `${appUrl}/posteingang` : '' },
+    { label: 'Manuell bearbeiten',    count: counts.manuell,      url: appUrl ? `${appUrl}/manuell` : '' },
+    { label: 'Mailpostfach',          count: counts.mailpostfach, url: appUrl ? `${appUrl}/mailpostfach` : '' },
+    { label: 'In Agrarmonitor',       count: counts.agrarmonitor, url: agrarmonitorBaseUrl ? `${agrarmonitorBaseUrl}/dateien/eingang#dateien` : '' },
   ];
 
   const tableRows = rows
-    .map(
-      r => `
+    .map(r => {
+      const labelCell = r.url
+        ? `<a href="${r.url}" style="color:#1d4ed8;text-decoration:none;">${r.label}</a>`
+        : r.label;
+      return `
       <tr>
-        <td style="padding:10px 16px;border-bottom:1px solid #e5e7eb;font-family:sans-serif;font-size:14px;color:#374151;">${r.label}</td>
-        <td style="padding:10px 16px;border-bottom:1px solid #e5e7eb;text-align:center;font-family:sans-serif;font-size:16px;font-weight:bold;color:${countColor(r.count)};">${r.count}</td>
-      </tr>`,
-    )
+        <td style="padding:10px 16px;border-bottom:1px solid #e5e7eb;font-family:sans-serif;font-size:14px;color:#374151;">${labelCell}</td>
+        <td style="padding:10px 16px;border-bottom:1px solid #e5e7eb;text-align:center;font-family:sans-serif;font-size:16px;font-weight:bold;color:${countColor(r.count)};">${r.url ? `<a href="${r.url}" style="color:${countColor(r.count)};text-decoration:none;">${r.count}</a>` : r.count}</td>
+      </tr>`;
+    })
     .join('');
 
   return `<!DOCTYPE html>