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https://github.com/acamarata/pray-calc-dart.git
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971022734e
Replace the 1280-line bundled SPA implementation with a dependency on the nrel_spa package. SpaResult and SpaAnglesResult are now re-exported from nrel_spa for backwards compatibility. All 24 tests pass unchanged.
106 lines
2.4 KiB
Dart
106 lines
2.4 KiB
Dart
/// Core types for pray_calc_dart.
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library;
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/// Asr shadow convention: Shafi'i (1x) or Hanafi (2x).
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enum AsrConvention { shafii, hanafi }
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/// Shafaq variant for MSC Isha model.
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enum ShafaqMode { general, ahmer, abyad }
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/// Computed twilight depression angles for Fajr and Isha.
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class TwilightAngles {
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/// Solar depression angle for Fajr (positive degrees below horizon).
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final double fajrAngle;
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/// Solar depression angle for Isha (positive degrees below horizon).
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final double ishaAngle;
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const TwilightAngles({required this.fajrAngle, required this.ishaAngle});
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}
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/// Raw prayer times as fractional hours. NaN = unreachable event.
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class PrayerTimes {
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/// Start of the last third of the night (Qiyam al-Layl).
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final double qiyam;
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/// True dawn (Subh Sadiq).
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final double fajr;
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/// Astronomical sunrise.
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final double sunrise;
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/// Solar noon (exact geometric transit).
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final double noon;
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/// Dhuhr (2.5 minutes after solar noon).
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final double dhuhr;
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/// Asr (Shafi'i or Hanafi shadow convention).
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final double asr;
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/// Maghrib (sunset).
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final double maghrib;
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/// Isha (nightfall, end of shafaq).
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final double isha;
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/// Dynamic twilight angles used for this calculation.
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final TwilightAngles angles;
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const PrayerTimes({
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required this.qiyam,
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required this.fajr,
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required this.sunrise,
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required this.noon,
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required this.dhuhr,
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required this.asr,
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required this.maghrib,
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required this.isha,
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required this.angles,
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});
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}
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/// Prayer times formatted as HH:MM:SS strings.
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class FormattedPrayerTimes {
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final String qiyam;
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final String fajr;
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final String sunrise;
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final String noon;
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final String dhuhr;
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final String asr;
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final String maghrib;
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final String isha;
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final TwilightAngles angles;
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const FormattedPrayerTimes({
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required this.qiyam,
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required this.fajr,
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required this.sunrise,
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required this.noon,
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required this.dhuhr,
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required this.asr,
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required this.maghrib,
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required this.isha,
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required this.angles,
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});
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}
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/// Solar ephemeris result.
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class SolarEphemeris {
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/// Solar declination in degrees.
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final double decl;
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/// Earth-Sun distance in AU.
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final double r;
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/// Apparent solar ecliptic longitude in radians (0–2π).
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final double eclLon;
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const SolarEphemeris({
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required this.decl,
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required this.r,
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required this.eclLon,
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});
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}
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// SpaResult and SpaAnglesResult are provided by the nrel_spa package.
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