feat: Receiver OOP hierarchy with per-receiver locale resolution

- Introduce Receiver base class + typed subclasses (TelegramReceiver,
  WebhookReceiver, EmailReceiver, etc.) in core/notifications/receiver.py
- Dispatcher uses typed Receiver objects instead of raw dicts, with
  per-receiver locale-aware template rendering
- load_link_data resolves locale from TelegramChat.language_override at
  load time: TargetReceiver.locale || chat.language_override || chat.language_code
- Add language_override field to TelegramChat (separate from auto-detected
  language_code), with per-chat commands toggle and command dispatch using
  override language
- Add locale field to TargetReceiver for explicit per-receiver overrides
This commit is contained in:
2026-03-23 21:20:31 +03:00
parent b3b6c31c4d
commit 1cfa72888c
16 changed files with 334 additions and 94 deletions
@@ -12,6 +12,16 @@ from notify_bridge_core.models.events import ServiceEvent
from notify_bridge_core.templates.context import build_template_context
from notify_bridge_core.templates.renderer import render_template
from .receiver import (
Receiver,
TelegramReceiver,
WebhookReceiver,
EmailReceiver,
DiscordReceiver,
SlackReceiver,
NtfyReceiver,
MatrixReceiver,
)
from .telegram.cache import TelegramFileCache
from .telegram.client import TelegramClient
from .webhook.client import WebhookClient
@@ -28,14 +38,13 @@ class TargetConfig:
type: str # "telegram", "webhook", "email", "discord", "slack", "ntfy", "matrix"
config: dict[str, Any] # target-level config (bot_token, settings, etc.)
template_slots: dict[str, dict[str, str]] | None = None # event_type -> {locale -> template}
locale: str = "en" # preferred locale for template resolution
locale: str = "en" # default locale for template resolution
date_format: str = "%d.%m.%Y, %H:%M UTC"
date_only_format: str = "%d.%m.%Y"
provider_api_key: str | None = None # API key for downloading assets from provider
provider_internal_url: str | None = None # Internal provider URL for API key scoping
provider_external_url: str | None = None # External domain for API key scoping
# Broadcast receivers — if non-empty, sends to each receiver instead of config
receivers: list[dict[str, Any]] = field(default_factory=list)
receivers: list[Receiver] = field(default_factory=list)
class NotificationDispatcher:
@@ -69,24 +78,43 @@ class NotificationDispatcher:
results.append({"success": False, "error": str(e)})
return results
async def _send_to_target(
self, event: ServiceEvent, target: TargetConfig
) -> dict[str, Any]:
"""Send event to a single target (potentially multiple receivers)."""
# Select template with locale fallback
def _resolve_template(
self, event: ServiceEvent, target: TargetConfig, locale: str,
) -> str:
"""Resolve template string for an event, with locale fallback."""
template_str = DEFAULT_TEMPLATE
if target.template_slots:
locale_map = target.template_slots.get(event.event_type.value)
if locale_map:
template_str = locale_map.get(target.locale) or locale_map.get("en") or template_str
template_str = locale_map.get(locale) or locale_map.get("en") or template_str
return template_str
# Build context and render ONCE
def _render_message(
self, event: ServiceEvent, target: TargetConfig, locale: str,
) -> str:
"""Resolve template and render message for a given locale."""
template_str = self._resolve_template(event, target, locale)
ctx = build_template_context(
event, target_type=target.type,
date_format=target.date_format,
date_only_format=target.date_only_format,
)
message = render_template(template_str, ctx)
return render_template(template_str, ctx)
def _message_for_receiver(
self, receiver: Receiver, default_message: str,
event: ServiceEvent, target: TargetConfig,
) -> str:
"""Return per-receiver message, re-rendering if receiver has a different locale."""
if receiver.locale and receiver.locale != target.locale:
return self._render_message(event, target, receiver.locale)
return default_message
async def _send_to_target(
self, event: ServiceEvent, target: TargetConfig
) -> dict[str, Any]:
"""Send event to a single target (potentially multiple receivers)."""
default_message = self._render_message(event, target, target.locale)
send_method = {
"telegram": self._send_telegram,
@@ -98,11 +126,11 @@ class NotificationDispatcher:
"matrix": self._send_matrix,
}.get(target.type)
if send_method:
return await send_method(target, message, event)
return await send_method(target, default_message, event)
return {"success": False, "error": f"Unknown target type: {target.type}"}
async def _send_telegram(
self, target: TargetConfig, message: str, event: ServiceEvent
self, target: TargetConfig, default_message: str, event: ServiceEvent
) -> dict[str, Any]:
bot_token = target.config.get("bot_token")
disable_preview = target.config.get("disable_url_preview", False)
@@ -120,7 +148,6 @@ class NotificationDispatcher:
if not target.receivers:
return {"success": False, "error": "No receivers configured"}
receivers = target.receivers
# Prepare assets list once (shared across receivers)
provider_urls = []
@@ -146,28 +173,27 @@ class NotificationDispatcher:
asset_cache=self._asset_cache,
)
for receiver in receivers:
chat_id = receiver.get("chat_id")
if not chat_id:
results.append({"success": False, "error": "Missing chat_id in receiver"})
for receiver in target.receivers:
if not isinstance(receiver, TelegramReceiver) or not receiver.chat_id:
results.append({"success": False, "error": "Invalid telegram receiver"})
continue
# Step 1: Send the text message
message = self._message_for_receiver(receiver, default_message, event, target)
text_result = await client.send_message(
chat_id=str(chat_id),
chat_id=receiver.chat_id,
text=message,
disable_web_page_preview=bool(disable_preview),
)
if not text_result.get("success"):
_LOGGER.warning("Failed to send to chat %s: %s", chat_id, text_result.get("error"))
_LOGGER.warning("Failed to send to chat %s: %s", receiver.chat_id, text_result.get("error"))
results.append(text_result)
continue
# Step 2: Send assets as reply
if assets:
reply_to = text_result.get("message_id")
media_result = await client.send_notification(
chat_id=str(chat_id),
chat_id=receiver.chat_id,
assets=assets,
reply_to_message_id=reply_to,
max_group_size=max_group,
@@ -177,43 +203,40 @@ class NotificationDispatcher:
chat_action=chat_action or None,
)
if not media_result.get("success"):
_LOGGER.warning("Text sent OK but media failed for chat %s: %s", chat_id, media_result.get("error"))
_LOGGER.warning("Text sent OK but media failed for chat %s: %s", receiver.chat_id, media_result.get("error"))
results.append(text_result)
return self._aggregate_results(results)
async def _send_webhook(
self, target: TargetConfig, message: str, event: ServiceEvent
self, target: TargetConfig, default_message: str, event: ServiceEvent
) -> dict[str, Any]:
if not target.receivers:
return {"success": False, "error": "No receivers configured"}
receivers = target.receivers
payload = {
"message": message,
"event_type": event.event_type.value,
"provider_type": event.provider_type.value,
"collection_name": event.collection_name,
"collection_id": event.collection_id,
"timestamp": event.timestamp.isoformat(),
}
results: list[dict[str, Any]] = []
async with aiohttp.ClientSession() as session:
for receiver in receivers:
url = receiver.get("url")
headers = receiver.get("headers", {})
if not url:
results.append({"success": False, "error": "Missing url in receiver"})
for receiver in target.receivers:
if not isinstance(receiver, WebhookReceiver) or not receiver.url:
results.append({"success": False, "error": "Invalid webhook receiver"})
continue
client = WebhookClient(session, url, headers)
message = self._message_for_receiver(receiver, default_message, event, target)
payload = {
"message": message,
"event_type": event.event_type.value,
"provider_type": event.provider_type.value,
"collection_name": event.collection_name,
"collection_id": event.collection_id,
"timestamp": event.timestamp.isoformat(),
}
client = WebhookClient(session, receiver.url, receiver.headers)
results.append(await client.send(payload))
return self._aggregate_results(results)
async def _send_email(
self, target: TargetConfig, message: str, event: ServiceEvent
self, target: TargetConfig, default_message: str, event: ServiceEvent
) -> dict[str, Any]:
from .email.client import EmailClient, SmtpConfig
@@ -233,71 +256,68 @@ class NotificationDispatcher:
if not target.receivers:
return {"success": False, "error": "No receivers configured"}
receivers = target.receivers
subject = f"[Notify Bridge] {event.event_type.value}: {event.collection_name}"
results: list[dict[str, Any]] = []
for receiver in receivers:
email = receiver.get("email")
if not email:
results.append({"success": False, "error": "Missing email in receiver"})
for receiver in target.receivers:
if not isinstance(receiver, EmailReceiver) or not receiver.email:
results.append({"success": False, "error": "Invalid email receiver"})
continue
message = self._message_for_receiver(receiver, default_message, event, target)
result = await client.send(
to_email=email,
to_email=receiver.email,
subject=subject,
body_text=message,
to_name=receiver.get("name", ""),
to_name=receiver.name,
)
results.append(result)
return self._aggregate_results(results)
async def _send_discord(
self, target: TargetConfig, message: str, event: ServiceEvent
self, target: TargetConfig, default_message: str, event: ServiceEvent
) -> dict[str, Any]:
from .discord.client import DiscordClient
if not target.receivers:
return {"success": False, "error": "No receivers configured"}
receivers = target.receivers
username = target.config.get("username")
results: list[dict[str, Any]] = []
async with aiohttp.ClientSession() as session:
client = DiscordClient(session)
for receiver in receivers:
webhook_url = receiver.get("webhook_url")
if not webhook_url:
results.append({"success": False, "error": "Missing webhook_url"})
for receiver in target.receivers:
if not isinstance(receiver, DiscordReceiver) or not receiver.webhook_url:
results.append({"success": False, "error": "Invalid discord receiver"})
continue
results.append(await client.send(webhook_url, message, username=username))
message = self._message_for_receiver(receiver, default_message, event, target)
results.append(await client.send(receiver.webhook_url, message, username=username))
return self._aggregate_results(results)
async def _send_slack(
self, target: TargetConfig, message: str, event: ServiceEvent
self, target: TargetConfig, default_message: str, event: ServiceEvent
) -> dict[str, Any]:
from .slack.client import SlackClient
if not target.receivers:
return {"success": False, "error": "No receivers configured"}
receivers = target.receivers
username = target.config.get("username")
results: list[dict[str, Any]] = []
async with aiohttp.ClientSession() as session:
client = SlackClient(session)
for receiver in receivers:
webhook_url = receiver.get("webhook_url")
if not webhook_url:
results.append({"success": False, "error": "Missing webhook_url"})
for receiver in target.receivers:
if not isinstance(receiver, SlackReceiver) or not receiver.webhook_url:
results.append({"success": False, "error": "Invalid slack receiver"})
continue
results.append(await client.send(webhook_url, message, username=username))
message = self._message_for_receiver(receiver, default_message, event, target)
results.append(await client.send(receiver.webhook_url, message, username=username))
return self._aggregate_results(results)
async def _send_ntfy(
self, target: TargetConfig, message: str, event: ServiceEvent
self, target: TargetConfig, default_message: str, event: ServiceEvent
) -> dict[str, Any]:
from .ntfy.client import NtfyClient
@@ -305,28 +325,26 @@ class NotificationDispatcher:
auth_token = target.config.get("auth_token")
if not target.receivers:
return {"success": False, "error": "No receivers configured"}
receivers = target.receivers
title = f"{event.event_type.value}: {event.collection_name}"
results: list[dict[str, Any]] = []
async with aiohttp.ClientSession() as session:
client = NtfyClient(session)
for receiver in receivers:
topic = receiver.get("topic")
if not topic:
results.append({"success": False, "error": "Missing topic"})
for receiver in target.receivers:
if not isinstance(receiver, NtfyReceiver) or not receiver.topic:
results.append({"success": False, "error": "Invalid ntfy receiver"})
continue
priority = receiver.get("priority", 3)
message = self._message_for_receiver(receiver, default_message, event, target)
results.append(await client.send(
server_url, topic, message,
title=title, priority=priority, auth_token=auth_token,
server_url, receiver.topic, message,
title=title, priority=receiver.priority, auth_token=auth_token,
))
return self._aggregate_results(results)
async def _send_matrix(
self, target: TargetConfig, message: str, event: ServiceEvent
self, target: TargetConfig, default_message: str, event: ServiceEvent
) -> dict[str, Any]:
from .matrix.client import MatrixClient
@@ -337,18 +355,17 @@ class NotificationDispatcher:
if not target.receivers:
return {"success": False, "error": "No receivers configured"}
receivers = target.receivers
results: list[dict[str, Any]] = []
async with aiohttp.ClientSession() as session:
client = MatrixClient(session, homeserver, access_token)
for receiver in receivers:
room_id = receiver.get("room_id")
if not room_id:
results.append({"success": False, "error": "Missing room_id"})
for receiver in target.receivers:
if not isinstance(receiver, MatrixReceiver) or not receiver.room_id:
results.append({"success": False, "error": "Invalid matrix receiver"})
continue
message = self._message_for_receiver(receiver, default_message, event, target)
results.append(await client.send_message(
room_id, message, html_message=message,
receiver.room_id, message, html_message=message,
))
return self._aggregate_results(results)
@@ -0,0 +1,120 @@
"""Receiver hierarchy — typed delivery endpoints with locale resolution."""
from __future__ import annotations
from dataclasses import dataclass, field
from typing import Any
@dataclass
class Receiver:
"""Base receiver with locale and raw config."""
locale: str = ""
config: dict[str, Any] = field(default_factory=dict)
def to_dict(self) -> dict[str, Any]:
"""Return raw dict for backward compat (includes locale)."""
return {**self.config, "locale": self.locale}
@dataclass
class TelegramReceiver(Receiver):
"""Telegram chat receiver."""
chat_id: str = ""
@dataclass
class WebhookReceiver(Receiver):
"""Webhook URL receiver."""
url: str = ""
headers: dict[str, str] = field(default_factory=dict)
@dataclass
class EmailReceiver(Receiver):
"""Email receiver."""
email: str = ""
name: str = ""
@dataclass
class DiscordReceiver(Receiver):
"""Discord webhook receiver."""
webhook_url: str = ""
@dataclass
class SlackReceiver(Receiver):
"""Slack webhook receiver."""
webhook_url: str = ""
@dataclass
class NtfyReceiver(Receiver):
"""ntfy topic receiver."""
topic: str = ""
priority: int = 3
@dataclass
class MatrixReceiver(Receiver):
"""Matrix room receiver."""
room_id: str = ""
def build_receiver(target_type: str, config: dict[str, Any], locale: str = "") -> Receiver:
"""Factory: build typed Receiver from target type and config dict."""
if target_type == "telegram":
return TelegramReceiver(
locale=locale,
config=config,
chat_id=str(config.get("chat_id", "")),
)
if target_type == "webhook":
return WebhookReceiver(
locale=locale,
config=config,
url=config.get("url", ""),
headers=config.get("headers", {}),
)
if target_type == "email":
return EmailReceiver(
locale=locale,
config=config,
email=config.get("email", ""),
name=config.get("name", ""),
)
if target_type == "discord":
return DiscordReceiver(
locale=locale,
config=config,
webhook_url=config.get("webhook_url", ""),
)
if target_type == "slack":
return SlackReceiver(
locale=locale,
config=config,
webhook_url=config.get("webhook_url", ""),
)
if target_type == "ntfy":
return NtfyReceiver(
locale=locale,
config=config,
topic=config.get("topic", ""),
priority=config.get("priority", 3),
)
if target_type == "matrix":
return MatrixReceiver(
locale=locale,
config=config,
room_id=config.get("room_id", ""),
)
return Receiver(locale=locale, config=config)