Add telegram media sender as service. Also fixed the via_device warnings that would break in HA 2025.12.0.

custom_components/immich_album_watcher/sensor.py

@@ -38,9 +38,11 @@ from .const import (
     CONF_ALBUM_ID,
     CONF_ALBUM_NAME,
     CONF_HUB_NAME,
+    CONF_TELEGRAM_BOT_TOKEN,
     DOMAIN,
     SERVICE_GET_RECENT_ASSETS,
     SERVICE_REFRESH,
+    SERVICE_SEND_TELEGRAM_MEDIA_GROUP,
 )
 from .coordinator import AlbumData, ImmichAlbumWatcherCoordinator
 
@@ -96,6 +98,19 @@ async def async_setup_entry(
         supports_response=SupportsResponse.ONLY,
     )
 
+    platform.async_register_entity_service(
+        SERVICE_SEND_TELEGRAM_MEDIA_GROUP,
+        {
+            vol.Optional("bot_token"): str,
+            vol.Required("chat_id"): vol.Coerce(str),
+            vol.Required("urls"): vol.All(list, vol.Length(min=1, max=10)),
+            vol.Optional("caption"): str,
+            vol.Optional("reply_to_message_id"): vol.Coerce(int),
+        },
+        "async_send_telegram_media_group",
+        supports_response=SupportsResponse.ONLY,
+    )
+
 
 class ImmichAlbumBaseSensor(CoordinatorEntity[ImmichAlbumWatcherCoordinator], SensorEntity):
     """Base sensor for Immich album."""
@@ -143,7 +158,6 @@ class ImmichAlbumBaseSensor(CoordinatorEntity[ImmichAlbumWatcherCoordinator], Se
             name=self._album_name,
             manufacturer="Immich",
             entry_type=DeviceEntryType.SERVICE,
-            via_device=(DOMAIN, self._entry.entry_id),
         )
 
     @callback
@@ -160,6 +174,121 @@ class ImmichAlbumBaseSensor(CoordinatorEntity[ImmichAlbumWatcherCoordinator], Se
         assets = await self.coordinator.async_get_recent_assets(count)
         return {"assets": assets}
 
+    async def async_send_telegram_media_group(
+        self,
+        chat_id: str,
+        urls: list[dict[str, str]],
+        bot_token: str | None = None,
+        caption: str | None = None,
+        reply_to_message_id: int | None = None,
+    ) -> ServiceResponse:
+        """Send media URLs to Telegram as a media group.
+
+        Each item in urls should be a dict with 'url' and 'type' (photo/video).
+        Downloads media and uploads to Telegram to bypass CORS restrictions.
+        """
+        import json
+        import aiohttp
+        from aiohttp import FormData
+        from homeassistant.helpers.aiohttp_client import async_get_clientsession
+
+        # Get bot token from parameter or config
+        token = bot_token or self._entry.options.get(CONF_TELEGRAM_BOT_TOKEN)
+        if not token:
+            return {
+                "success": False,
+                "error": "No bot token provided. Set it in integration options or pass as parameter.",
+            }
+
+        session = async_get_clientsession(self.hass)
+
+        # Download all media files
+        media_files: list[tuple[str, bytes, str]] = []
+        for i, item in enumerate(urls):
+            url = item.get("url")
+            media_type = item.get("type", "photo")
+
+            if not url:
+                return {
+                    "success": False,
+                    "error": f"Missing 'url' in item {i}",
+                }
+
+            if media_type not in ("photo", "video"):
+                return {
+                    "success": False,
+                    "error": f"Invalid type '{media_type}' in item {i}. Must be 'photo' or 'video'.",
+                }
+
+            try:
+                _LOGGER.debug("Downloading media %d from %s", i, url[:80])
+                async with session.get(url) as resp:
+                    if resp.status != 200:
+                        return {
+                            "success": False,
+                            "error": f"Failed to download media {i}: HTTP {resp.status}",
+                        }
+                    data = await resp.read()
+                    ext = "jpg" if media_type == "photo" else "mp4"
+                    filename = f"media_{i}.{ext}"
+                    media_files.append((media_type, data, filename))
+                    _LOGGER.debug("Downloaded media %d: %d bytes", i, len(data))
+            except aiohttp.ClientError as err:
+                return {
+                    "success": False,
+                    "error": f"Failed to download media {i}: {err}",
+                }
+
+        # Build multipart form
+        form = FormData()
+        form.add_field("chat_id", chat_id)
+
+        if reply_to_message_id:
+            form.add_field("reply_to_message_id", str(reply_to_message_id))
+
+        # Build media JSON with attach:// references
+        media_json = []
+        for i, (media_type, data, filename) in enumerate(media_files):
+            attach_name = f"file{i}"
+            media_item: dict[str, Any] = {
+                "type": media_type,
+                "media": f"attach://{attach_name}",
+            }
+            if i == 0 and caption:
+                media_item["caption"] = caption
+            media_json.append(media_item)
+
+            content_type = "image/jpeg" if media_type == "photo" else "video/mp4"
+            form.add_field(attach_name, data, filename=filename, content_type=content_type)
+
+        form.add_field("media", json.dumps(media_json))
+
+        # Send to Telegram
+        telegram_url = f"https://api.telegram.org/bot{token}/sendMediaGroup"
+
+        try:
+            _LOGGER.debug("Uploading %d files to Telegram", len(media_files))
+            async with session.post(telegram_url, data=form) as response:
+                result = await response.json()
+                _LOGGER.debug("Telegram API response: status=%d, ok=%s", response.status, result.get("ok"))
+                if response.status == 200 and result.get("ok"):
+                    return {
+                        "success": True,
+                        "message_ids": [
+                            msg.get("message_id") for msg in result.get("result", [])
+                        ],
+                    }
+                else:
+                    _LOGGER.error("Telegram API error: %s", result)
+                    return {
+                        "success": False,
+                        "error": result.get("description", "Unknown Telegram error"),
+                        "error_code": result.get("error_code"),
+                    }
+        except aiohttp.ClientError as err:
+            _LOGGER.error("Telegram upload failed: %s", err)
+            return {"success": False, "error": str(err)}
+
 
 class ImmichAlbumIdSensor(ImmichAlbumBaseSensor):
     """Sensor exposing the Immich album ID."""