core/homeassistant/components/squeezebox/browse_media.py

254 lines
8.6 KiB
Python

"""Support for media browsing."""
from __future__ import annotations
import contextlib
from typing import Any
from pysqueezebox import Player
from homeassistant.components import media_source
from homeassistant.components.media_player import (
BrowseError,
BrowseMedia,
MediaClass,
MediaPlayerEntity,
MediaType,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers.network import is_internal_request
LIBRARY = [
"Favorites",
"Artists",
"Albums",
"Tracks",
"Playlists",
"Genres",
"New Music",
]
MEDIA_TYPE_TO_SQUEEZEBOX = {
"Favorites": "favorites",
"Artists": "artists",
"Albums": "albums",
"Tracks": "titles",
"Playlists": "playlists",
"Genres": "genres",
"New Music": "new music",
MediaType.ALBUM: "album",
MediaType.ARTIST: "artist",
MediaType.TRACK: "title",
MediaType.PLAYLIST: "playlist",
MediaType.GENRE: "genre",
}
SQUEEZEBOX_ID_BY_TYPE = {
MediaType.ALBUM: "album_id",
MediaType.ARTIST: "artist_id",
MediaType.TRACK: "track_id",
MediaType.PLAYLIST: "playlist_id",
MediaType.GENRE: "genre_id",
"Favorites": "item_id",
}
CONTENT_TYPE_MEDIA_CLASS: dict[str | MediaType, dict[str, MediaClass | None]] = {
"Favorites": {"item": MediaClass.DIRECTORY, "children": MediaClass.TRACK},
"Artists": {"item": MediaClass.DIRECTORY, "children": MediaClass.ARTIST},
"Albums": {"item": MediaClass.DIRECTORY, "children": MediaClass.ALBUM},
"Tracks": {"item": MediaClass.DIRECTORY, "children": MediaClass.TRACK},
"Playlists": {"item": MediaClass.DIRECTORY, "children": MediaClass.PLAYLIST},
"Genres": {"item": MediaClass.DIRECTORY, "children": MediaClass.GENRE},
"New Music": {"item": MediaClass.DIRECTORY, "children": MediaClass.ALBUM},
MediaType.ALBUM: {"item": MediaClass.ALBUM, "children": MediaClass.TRACK},
MediaType.ARTIST: {"item": MediaClass.ARTIST, "children": MediaClass.ALBUM},
MediaType.TRACK: {"item": MediaClass.TRACK, "children": None},
MediaType.GENRE: {"item": MediaClass.GENRE, "children": MediaClass.ARTIST},
MediaType.PLAYLIST: {"item": MediaClass.PLAYLIST, "children": MediaClass.TRACK},
}
CONTENT_TYPE_TO_CHILD_TYPE = {
MediaType.ALBUM: MediaType.TRACK,
MediaType.PLAYLIST: MediaType.PLAYLIST,
MediaType.ARTIST: MediaType.ALBUM,
MediaType.GENRE: MediaType.ARTIST,
"Artists": MediaType.ARTIST,
"Albums": MediaType.ALBUM,
"Tracks": MediaType.TRACK,
"Playlists": MediaType.PLAYLIST,
"Genres": MediaType.GENRE,
"Favorites": None, # can only be determined after inspecting the item
"New Music": MediaType.ALBUM,
}
BROWSE_LIMIT = 1000
async def build_item_response(
entity: MediaPlayerEntity, player: Player, payload: dict[str, str | None]
) -> BrowseMedia:
"""Create response payload for search described by payload."""
internal_request = is_internal_request(entity.hass)
search_id = payload["search_id"]
search_type = payload["search_type"]
assert (
search_type is not None
) # async_browse_media will not call this function if search_type is None
media_class = CONTENT_TYPE_MEDIA_CLASS[search_type]
children = None
if search_id and search_id != search_type:
browse_id = (SQUEEZEBOX_ID_BY_TYPE[search_type], search_id)
else:
browse_id = None
result = await player.async_browse(
MEDIA_TYPE_TO_SQUEEZEBOX[search_type],
limit=BROWSE_LIMIT,
browse_id=browse_id,
)
if result is not None and result.get("items"):
item_type = CONTENT_TYPE_TO_CHILD_TYPE[search_type]
children = []
for item in result["items"]:
item_id = str(item["id"])
item_thumbnail: str | None = None
if item_type:
child_item_type: MediaType | str = item_type
child_media_class = CONTENT_TYPE_MEDIA_CLASS[item_type]
can_expand = child_media_class["children"] is not None
can_play = True
if search_type == "Favorites":
if "album_id" in item:
item_id = str(item["album_id"])
child_item_type = MediaType.ALBUM
child_media_class = CONTENT_TYPE_MEDIA_CLASS[MediaType.ALBUM]
can_expand = True
can_play = True
elif item["hasitems"]:
child_item_type = "Favorites"
child_media_class = CONTENT_TYPE_MEDIA_CLASS["Favorites"]
can_expand = True
can_play = False
else:
child_item_type = "Favorites"
child_media_class = CONTENT_TYPE_MEDIA_CLASS[MediaType.TRACK]
can_expand = False
can_play = True
if artwork_track_id := item.get("artwork_track_id"):
if internal_request:
item_thumbnail = player.generate_image_url_from_track_id(
artwork_track_id
)
elif item_type is not None:
item_thumbnail = entity.get_browse_image_url(
item_type, item_id, artwork_track_id
)
else:
item_thumbnail = item.get("image_url") # will not be proxied by HA
assert child_media_class["item"] is not None
children.append(
BrowseMedia(
title=item["title"],
media_class=child_media_class["item"],
media_content_id=item_id,
media_content_type=child_item_type,
can_play=can_play,
can_expand=can_expand,
thumbnail=item_thumbnail,
)
)
if children is None:
raise BrowseError(f"Media not found: {search_type} / {search_id}")
assert media_class["item"] is not None
if not search_id:
search_id = search_type
return BrowseMedia(
title=result.get("title"),
media_class=media_class["item"],
children_media_class=media_class["children"],
media_content_id=search_id,
media_content_type=search_type,
can_play=search_type != "Favorites",
children=children,
can_expand=True,
)
async def library_payload(hass: HomeAssistant, player: Player) -> BrowseMedia:
"""Create response payload to describe contents of library."""
library_info: dict[str, Any] = {
"title": "Music Library",
"media_class": MediaClass.DIRECTORY,
"media_content_id": "library",
"media_content_type": "library",
"can_play": False,
"can_expand": True,
"children": [],
}
for item in LIBRARY:
media_class = CONTENT_TYPE_MEDIA_CLASS[item]
result = await player.async_browse(
MEDIA_TYPE_TO_SQUEEZEBOX[item],
limit=1,
)
if result is not None and result.get("items") is not None:
assert media_class["children"] is not None
library_info["children"].append(
BrowseMedia(
title=item,
media_class=media_class["children"],
media_content_id=item,
media_content_type=item,
can_play=item != "Favorites",
can_expand=True,
)
)
with contextlib.suppress(media_source.BrowseError):
browse = await media_source.async_browse_media(
hass, None, content_filter=media_source_content_filter
)
# If domain is None, it's overview of available sources
if browse.domain is None:
library_info["children"].extend(browse.children)
else:
library_info["children"].append(browse)
return BrowseMedia(**library_info)
def media_source_content_filter(item: BrowseMedia) -> bool:
"""Content filter for media sources."""
return item.media_content_type.startswith("audio/")
async def generate_playlist(player: Player, payload: dict[str, str]) -> list | None:
"""Generate playlist from browsing payload."""
media_type = payload["search_type"]
media_id = payload["search_id"]
if media_type not in SQUEEZEBOX_ID_BY_TYPE:
raise BrowseError(f"Media type not supported: {media_type}")
browse_id = (SQUEEZEBOX_ID_BY_TYPE[media_type], media_id)
result = await player.async_browse(
"titles", limit=BROWSE_LIMIT, browse_id=browse_id
)
if result and "items" in result:
items: list = result["items"]
return items
raise BrowseError(f"Media not found: {media_type} / {media_id}")