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"""
Bindings for the HMC Rules & Regulations - Environmental Zones.
"""
from dataclasses import dataclass
from typing import List, Mapping

from google.protobuf.message import Message
from here.content.base import ContentIndexer, ContentPartition, SingleLayerBinding
from here.content.content import hmc_schema_version
from here.content.utils.proto import decode_message, parse_ref
from here.platform.adapter import DecodedMessage, Identifier, Ref

[docs]
@dataclass
class Zone:
"""Environmental Zone"""

identifier: Identifier
name: List[DecodedMessage]
info: DecodedMessage
vehicle_class: List[DecodedMessage]
environmental_badge: List[DecodedMessage]
location_ref: List[Ref]

indexer = ContentIndexer(identifier="identifier", refs={"location": "location_ref"})

[docs]
class EnvironmentalZones(SingleLayerBinding):
"""
Bindings for the HMC Rules & Regulations - Environmental Zones.
"""

[docs]
@classmethod
def schema_hrn(cls) -> List[str]:
"""
:return: the HRN of schema this binding can parse and index
"""
return [
f"hrn:here:schema:::com.here.schema.rib:env-zone-attributes_v2:{hmc_schema_version}"
]

[docs]
@classmethod
def object_types(cls) -> Mapping[str, type]:
"""
:return: the types of attributes supported by this binding
"""
return {"zone": Zone}

[docs]
@classmethod
def parse_and_index(cls, partition_id: str, msg: Message) -> ContentPartition:
"""
Parse and index decoded message.

:param partition_id: identifier of the partition
:param msg: decoded content from the layer, in the form of a Protobuf message
:return: the content of a partition parsed and indexed in its own data structure
"""
assert hasattr(msg, "environmental_zone")

zones = [
Zone(
identifier=Identifier(z.identifier),
name=[decode_message(n) for n in z.name],
info=decode_message(z.info),
vehicle_class=[decode_message(n) for n in z.vehicle_class],
environmental_badge=[decode_message(n) for n in z.environmental_badge],
location_ref=[parse_ref(r) for r in z.location_ref],
)
for z in msg.environmental_zone # type: ignore
]
return ContentPartition(cls, zone=zones)