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simplify _calc_percent

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Bas Nijholt 2020-09-19 12:18:50 +02:00
commit 9593bca7a8
1 changed files with 20 additions and 46 deletions
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66
custom_components/adaptive_lighting/switch.py
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@ -144,10 +144,7 @@ class AdaptiveSwitch(SwitchEntity, RestoreEntity):
"""Representation of a Adaptive Lighting switch."""
def __init__(
self,
hass,
name,
config_entry,
self, hass, name, config_entry,
):
"""Initialize the Adaptive Lighting switch."""
self.hass = hass
@ -418,57 +415,34 @@ class AdaptiveSwitch(SwitchEntity, RestoreEntity):
solar_noon = sunrise + (sunset - sunrise) / 2
solar_midnight = sunset + ((sunrise + timedelta(days=1)) - sunset) / 2
return {
SUN_EVENT_SUNRISE: sunrise.timestamp(),
SUN_EVENT_SUNSET: sunset.timestamp(),
SUN_EVENT_NOON: solar_noon.timestamp(),
SUN_EVENT_MIDNIGHT: solar_midnight.timestamp(),
}
return [
(SUN_EVENT_SUNRISE, sunrise.timestamp()),
(SUN_EVENT_SUNSET, sunset.timestamp()),
(SUN_EVENT_NOON, solar_noon.timestamp()),
(SUN_EVENT_MIDNIGHT, solar_midnight.timestamp()),
]
def _relevant_events(self, now):
events = []
for days in [-1, 0, 1]:
sun_events = self._get_sun_events(now + timedelta(days=days))
events.extend(list(sun_events.items()))
events = [
self._get_sun_events(now + timedelta(days=days)) for days in [-1, 0, 1]
]
events = sum(events, []) # flatten lists
events = sorted(events, key=lambda x: x[1])
i_now = bisect.bisect([ts for _, ts in events], now.timestamp())
return dict(events[i_now - 2: i_now + 2])
return events[i_now - 1 : i_now + 1]
def _calc_percent(self):
now = dt_util.utcnow()
now_ts = now.timestamp()
today = self._relevant_events(now)
# Figure out where we are in time so we know which half of the
# parabola to calculate. We're generating a different
# sunset-sunrise parabola for before and after solar midnight.
# because it might not be half way between sunrise and sunset.
# We're also generating a different parabola for sunrise-sunset.
# sunrise -> sunset parabola
if today[SUN_EVENT_SUNRISE] < now_ts < today[SUN_EVENT_SUNSET]:
h = today[SUN_EVENT_NOON]
k = 1
# parabola before solar_noon else after solar_noon
x = (
today[SUN_EVENT_SUNRISE]
if now_ts < today[SUN_EVENT_NOON]
else today[SUN_EVENT_SUNSET]
)
# sunset -> sunrise parabola
elif today[SUN_EVENT_SUNSET] < now_ts < today[SUN_EVENT_SUNRISE]:
h = today[SUN_EVENT_MIDNIGHT]
k = -1
# parabola before solar_midnight else after solar_midnight
x = (
today[SUN_EVENT_SUNSET]
if now_ts < today[SUN_EVENT_MIDNIGHT]
else today[SUN_EVENT_SUNRISE]
)
y = 0
a = (y - k) / (h - x) ** 2
percentage = a * (now_ts - h) ** 2 + k
(prev_event, prev_ts), (next_event, next_ts) = today
h, x = (
(prev_ts, next_ts)
if next_event in ("solar_sunset", "solar_sunrise")
else (next_ts, prev_ts)
)
k = 1 if next_event in ("solar_sunset", "solar_noon") else -1
percentage = (0 - k) * ((now_ts - h) / (h - x)) ** 2 + k
return percentage
def _is_sleep(self):