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Krzysztof kuhy Rudnicki
e761926df4
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Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
"""The Body document's body-fat log: one percentage per date, like weight.
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Split out of :mod:`diet_guard._body_store` for the 250-line cap. The newest
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live entry switches the calorie table's base BMR to Katch-McArdle
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(``_body_calc.table_bmr``); older ones draw the body-fat graph.
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KEEP IN SYNC WITH ``app/lib/services/body_service.dart``.
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"""
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from __future__ import annotations
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from diet_guard._body_store import as_number, is_day, now_stamp, read_body, write_body
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__all__ = [
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"MAX_BODY_FAT",
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"MIN_BODY_FAT",
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"body_fats",
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"newest_body_fat",
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"set_body_fat",
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]
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# Outside this range (%) a reading is a typo, not a measurement.
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MIN_BODY_FAT = 3.0
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MAX_BODY_FAT = 70.0
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def body_fats() -> dict[str, float]:
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"""``YYYY-MM-DD`` -> body fat % for every live day, oldest first."""
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log = read_body()["bodyfat"]
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live = {
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day: as_number(cell.get("pct")) if isinstance(cell, dict) else None
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for day, cell in log.items()
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}
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return {
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day: pct for day, pct in sorted(live.items()) if pct is not None and is_day(day)
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}
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def newest_body_fat() -> float | None:
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"""The latest-dated live reading, or None when none is logged."""
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live = body_fats()
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return live[max(live)] if live else None
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def set_body_fat(day: str, pct: float | None) -> None:
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"""Record (or, with ``pct=None``, delete) ``day``'s body fat, stamped now."""
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doc = read_body()
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value = None if pct is None else round(float(pct), 1)
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doc["bodyfat"][day] = {"pct": value, "t": now_stamp()}
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write_body(doc)
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