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| 1 | +"""Trait for fetching parsed map content from B01/Q7 devices. |
| 2 | +
|
| 3 | +This intentionally mirrors the v1 `MapContentTrait` contract: |
| 4 | +- `refresh()` performs I/O and populates cached fields |
| 5 | +- `parse_map_content()` reparses cached raw bytes without I/O |
| 6 | +- fields `image_content`, `map_data`, and `raw_api_response` are then readable |
| 7 | +
|
| 8 | +For B01/Q7 devices, the underlying raw map payload is retrieved via `MapTrait`. |
| 9 | +""" |
| 10 | + |
| 11 | +from dataclasses import dataclass |
| 12 | + |
| 13 | +from vacuum_map_parser_base.map_data import MapData |
| 14 | + |
| 15 | +from roborock.data import RoborockBase |
| 16 | +from roborock.devices.traits import Trait |
| 17 | +from roborock.exceptions import RoborockException |
| 18 | +from roborock.map.b01_map_parser import B01MapParser, B01MapParserConfig |
| 19 | + |
| 20 | +from .map import MapTrait |
| 21 | + |
| 22 | +_TRUNCATE_LENGTH = 20 |
| 23 | + |
| 24 | + |
| 25 | +@dataclass |
| 26 | +class MapContent(RoborockBase): |
| 27 | + """Dataclass representing map content.""" |
| 28 | + |
| 29 | + image_content: bytes | None = None |
| 30 | + """The rendered image of the map in PNG format.""" |
| 31 | + |
| 32 | + map_data: MapData | None = None |
| 33 | + """Parsed map data (metadata for points on the map).""" |
| 34 | + |
| 35 | + raw_api_response: bytes | None = None |
| 36 | + """Raw bytes of the map payload from the device. |
| 37 | +
|
| 38 | + This should be treated as an opaque blob used only internally by this |
| 39 | + library to re-parse the map data when needed. |
| 40 | + """ |
| 41 | + |
| 42 | + def __repr__(self) -> str: |
| 43 | + img = self.image_content |
| 44 | + if img and len(img) > _TRUNCATE_LENGTH: |
| 45 | + img = img[: _TRUNCATE_LENGTH - 3] + b"..." |
| 46 | + return f"MapContent(image_content={img!r}, map_data={self.map_data!r})" |
| 47 | + |
| 48 | + |
| 49 | +class MapContentTrait(MapContent, Trait): |
| 50 | + """Trait for fetching parsed map content for Q7 devices.""" |
| 51 | + |
| 52 | + def __init__( |
| 53 | + self, |
| 54 | + map_trait: MapTrait, |
| 55 | + *, |
| 56 | + serial: str, |
| 57 | + model: str, |
| 58 | + map_parser_config: B01MapParserConfig | None = None, |
| 59 | + ) -> None: |
| 60 | + super().__init__() |
| 61 | + self._map_trait = map_trait |
| 62 | + self._serial = serial |
| 63 | + self._model = model |
| 64 | + self._map_parser = B01MapParser(map_parser_config) |
| 65 | + |
| 66 | + async def refresh(self) -> None: |
| 67 | + """Fetch, decode, and parse the current map payload.""" |
| 68 | + raw_payload = await self._map_trait.get_current_map_payload() |
| 69 | + parsed = self.parse_map_content(raw_payload) |
| 70 | + self.image_content = parsed.image_content |
| 71 | + self.map_data = parsed.map_data |
| 72 | + self.raw_api_response = parsed.raw_api_response |
| 73 | + |
| 74 | + def parse_map_content(self, response: bytes) -> MapContent: |
| 75 | + """Parse map content from raw bytes. |
| 76 | +
|
| 77 | + This mirrors the v1 trait behavior so cached map payload bytes can be |
| 78 | + reparsed without going back to the device. |
| 79 | + """ |
| 80 | + try: |
| 81 | + parsed_data = self._map_parser.parse( |
| 82 | + response, |
| 83 | + serial=self._serial, |
| 84 | + model=self._model, |
| 85 | + ) |
| 86 | + except RoborockException: |
| 87 | + raise |
| 88 | + except Exception as ex: |
| 89 | + raise RoborockException("Failed to parse B01 map data") from ex |
| 90 | + |
| 91 | + if parsed_data.image_content is None: |
| 92 | + raise RoborockException("Failed to render B01 map image") |
| 93 | + |
| 94 | + return MapContent( |
| 95 | + image_content=parsed_data.image_content, |
| 96 | + map_data=parsed_data.map_data, |
| 97 | + raw_api_response=response, |
| 98 | + ) |
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