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

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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
This commit is contained in:
itdrui.de
2026-03-13 14:45:06 +01:00
parent 73619fbc9c
commit 18ad0735ef
9 changed files with 155 additions and 7 deletions
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10
tui/api_client.py
View File

@@ -101,6 +101,16 @@ class MCMApiClient:
async def get_contacts(self) -> list[dict[str, Any]]:
return await self._get("/contacts")
async def get_telegram_qr(self, contact_id: str) -> bytes:
"""QR-Code PNG-Bytes für einen Kontakt abrufen."""
async with httpx.AsyncClient(timeout=10.0, follow_redirects=True) as client:
resp = await client.get(
self._base + f"/contacts/{contact_id}/telegram-qr",
headers=self._headers,
)
resp.raise_for_status()
return resp.content
# ── Status ─────────────────────────────────────────────────────────────────
async def get_channel_status(self) -> dict[str, Any]:

59
tui/screens/main_screen.py
View File

@@ -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()