feat: Telegram QR-Code Invite-Link + WhatsApp Empfang-Fix

Telegram: - /start <contact_id> Deep-Link Handler: verknüpft Kontakt automatisch mit chat_id - QR-Code Endpunkt GET /api/v1/contacts/{id}/telegram-qr (PNG) - TUI: Taste T öffnet QR-Code im Browser (HTML mit eingebettetem PNG) - config.py + .env.example: TELEGRAM_BOT_USERNAME=mcm_bot - qrcode[pil] zu requirements.txt hinzugefügt WhatsApp: - receiveTimeout 5→3s, HTTP-Timeout 8s → verhindert Polling-Overlap
2026-03-13 14:45:06 +01:00
parent 73619fbc9c
commit 18ad0735ef
9 changed files with 155 additions and 7 deletions
--- a/tui/screens/main_screen.py
+++ b/tui/screens/main_screen.py
@@ -24,6 +24,7 @@ class MainScreen(Screen):
    BINDINGS = [
        Binding("n", "new_message", "Neu"),
        Binding("r", "refresh", "Aktualisieren"),
+        Binding("t", "telegram_qr", "Telegram QR"),
        Binding("q", "quit_app", "Beenden"),
    ]

@@ -240,5 +241,63 @@ class MainScreen(Screen):
        if self._current_conv_id:
            await self._load_messages(self._current_conv_id)

+    def action_telegram_qr(self) -> None:
+        asyncio.create_task(self._generate_telegram_qr())
+
+    async def _generate_telegram_qr(self) -> None:
+        if not self._current_conv:
+            self.notify("Bitte erst eine Konversation auswählen.", severity="warning")
+            return
+        conv = self._current_conv
+        if conv.get("channel") != "telegram":
+            self.notify("QR-Code nur für Telegram-Konversationen.", severity="warning")
+            return
+        contact_id = conv.get("contact_id")
+        if not contact_id:
+            try:
+                details = await self._api.get_conversation(conv["id"])
+                contact_id = (details or {}).get("contact_id")
+            except Exception:
+                pass
+        if not contact_id:
+            self.notify("Kein Kontakt zur Konversation gefunden.", severity="error")
+            return
+        try:
+            import base64
+            import tempfile
+            import webbrowser
+            from config import settings
+            png_bytes = await self._api.get_telegram_qr(contact_id)
+            bot = settings.telegram_bot_username.lstrip("@")
+            invite_url = f"https://t.me/{bot}?start={contact_id}"
+            b64 = base64.b64encode(png_bytes).decode()
+            contact_name = conv.get("title") or contact_id
+            html = f"""<!DOCTYPE html>
+<html lang="de">
+<head><meta charset="utf-8"><title>Telegram QR – {contact_name}</title>
+<style>
+  body {{font-family:sans-serif;text-align:center;padding:2rem;background:#1a1a2e;color:#eee}}
+  img {{width:300px;height:300px;border:8px solid #fff;border-radius:12px;margin:1rem}}
+  a {{color:#64b5f6;word-break:break-all}}
+  h2 {{margin-bottom:0}}
+  p {{margin:.5rem 0}}
+</style></head>
+<body>
+<h2>Telegram Invite</h2>
+<p>{contact_name}</p>
+<img src="data:image/png;base64,{b64}" alt="QR-Code">
+<p><a href="{invite_url}">{invite_url}</a></p>
+<p style="font-size:.85rem;color:#aaa">Kunde scannt QR-Code → Telegram öffnet Bot → Verbindung hergestellt</p>
+</body></html>"""
+            with tempfile.NamedTemporaryFile(
+                delete=False, suffix=".html", mode="w", encoding="utf-8"
+            ) as tmp:
+                tmp.write(html)
+                tmp_path = tmp.name
+            webbrowser.open(f"file://{tmp_path}")
+            self.notify(f"QR-Code im Browser geöffnet | {invite_url}", timeout=8)
+        except Exception as exc:
+            self.notify(f"QR-Code Fehler: {exc}", severity="error")
+
    def action_quit_app(self) -> None:
        self.app.exit()