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mirror of https://github.com/home-assistant/core synced 2024-07-30 21:18:57 +02:00
ha-core/homeassistant/components/lovelace/resources.py
Bram Kragten 1477087c71
Fix Lovelace resources health info (#33309)
* Fix Lovelace resources health info

* Fix tests
2020-03-28 13:57:36 +01:00

129 lines
3.6 KiB
Python

"""Lovelace resources support."""
import logging
from typing import List, Optional, cast
import uuid
import voluptuous as vol
from homeassistant.const import CONF_TYPE
from homeassistant.core import HomeAssistant, callback
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers import collection, storage
from .const import (
CONF_RESOURCE_TYPE_WS,
CONF_RESOURCES,
DOMAIN,
RESOURCE_CREATE_FIELDS,
RESOURCE_SCHEMA,
RESOURCE_UPDATE_FIELDS,
)
from .dashboard import LovelaceConfig
RESOURCE_STORAGE_KEY = f"{DOMAIN}_resources"
RESOURCES_STORAGE_VERSION = 1
_LOGGER = logging.getLogger(__name__)
class ResourceYAMLCollection:
"""Collection representing static YAML."""
loaded = True
def __init__(self, data):
"""Initialize a resource YAML collection."""
self.data = data
async def async_get_info(self):
"""Return the resources info for YAML mode."""
return {"resources": len(self.async_items() or [])}
@callback
def async_items(self) -> List[dict]:
"""Return list of items in collection."""
return self.data
class ResourceStorageCollection(collection.StorageCollection):
"""Collection to store resources."""
loaded = False
CREATE_SCHEMA = vol.Schema(RESOURCE_CREATE_FIELDS)
UPDATE_SCHEMA = vol.Schema(RESOURCE_UPDATE_FIELDS)
def __init__(self, hass: HomeAssistant, ll_config: LovelaceConfig):
"""Initialize the storage collection."""
super().__init__(
storage.Store(hass, RESOURCES_STORAGE_VERSION, RESOURCE_STORAGE_KEY),
_LOGGER,
)
self.ll_config = ll_config
async def async_get_info(self):
"""Return the resources info for YAML mode."""
if not self.loaded:
await self.async_load()
self.loaded = True
return {"resources": len(self.async_items() or [])}
async def _async_load_data(self) -> Optional[dict]:
"""Load the data."""
data = await self.store.async_load()
if data is not None:
return cast(Optional[dict], data)
# Import it from config.
try:
conf = await self.ll_config.async_load(False)
except HomeAssistantError:
return None
if CONF_RESOURCES not in conf:
return None
# Remove it from config and save both resources + config
data = conf[CONF_RESOURCES]
try:
vol.Schema([RESOURCE_SCHEMA])(data)
except vol.Invalid as err:
_LOGGER.warning("Resource import failed. Data invalid: %s", err)
return None
conf.pop(CONF_RESOURCES)
for item in data:
item[collection.CONF_ID] = uuid.uuid4().hex
data = {"items": data}
await self.store.async_save(data)
await self.ll_config.async_save(conf)
return data
async def _process_create_data(self, data: dict) -> dict:
"""Validate the config is valid."""
data = self.CREATE_SCHEMA(data)
data[CONF_TYPE] = data.pop(CONF_RESOURCE_TYPE_WS)
return data
@callback
def _get_suggested_id(self, info: dict) -> str:
"""Return unique ID."""
return uuid.uuid4().hex
async def _update_data(self, data: dict, update_data: dict) -> dict:
"""Return a new updated data object."""
if not self.loaded:
await self.async_load()
self.loaded = True
update_data = self.UPDATE_SCHEMA(update_data)
if CONF_RESOURCE_TYPE_WS in update_data:
update_data[CONF_TYPE] = update_data.pop(CONF_RESOURCE_TYPE_WS)
return {**data, **update_data}