feat: Murattal player enhancements & prayer schedule auto-scroll

- Murattal: Spotify-style 5-button controls [Shuffle, Prev, Play, Next, Playlist] - Murattal: Animated 7-bar equalizer visualization in player circle - Murattal: Unsplash API background with frosted glass player overlay - Murattal: Transparent AppBar with backdrop blur - Murattal: Surah playlist bottom sheet with full 114 Surah list - Murattal: Auto-play disabled on screen open, enabled on navigation - Murattal: Shuffle mode for random Surah playback - Murattal: Photographer attribution per Unsplash guidelines - Dashboard: Auto-scroll prayer schedule to next active prayer - Fix: setState lifecycle errors on Reading & Murattal screens - Setup: flutter_dotenv, cached_network_image, url_launcher deps
2026-03-13 15:42:17 +07:00
commit faadc1865d
189 changed files with 23834 additions and 0 deletions
--- a/lib/data/services/prayer_service.dart
+++ b/lib/data/services/prayer_service.dart
@@ -0,0 +1,126 @@
+import 'package:adhan/adhan.dart' as adhan;
+import 'package:hive_flutter/hive_flutter.dart';
+import '../local/hive_boxes.dart';
+import '../local/models/cached_prayer_times.dart';
+import 'package:intl/intl.dart';
+
+/// Result object for prayer times.
+class PrayerTimesResult {
+  final DateTime fajr;
+  final DateTime sunrise;
+  final DateTime dhuhr;
+  final DateTime asr;
+  final DateTime maghrib;
+  final DateTime isha;
+
+  PrayerTimesResult({
+    required this.fajr,
+    required this.sunrise,
+    required this.dhuhr,
+    required this.asr,
+    required this.maghrib,
+    required this.isha,
+  });
+}
+
+/// Prayer time calculation service using the adhan package.
+class PrayerService {
+  PrayerService._();
+  static final PrayerService instance = PrayerService._();
+
+  /// Calculate prayer times for a given location and date.
+  /// Uses cache if available; writes to cache after calculation.
+  PrayerTimesResult getPrayerTimes(double lat, double lng, DateTime date) {
+    final dateKey = DateFormat('yyyy-MM-dd').format(date);
+    final cacheKey = '${lat.toStringAsFixed(4)}_${lng.toStringAsFixed(4)}_$dateKey';
+
+    // Check cache
+    final cacheBox = Hive.box<CachedPrayerTimes>(HiveBoxes.cachedPrayerTimes);
+    final cached = cacheBox.get(cacheKey);
+    if (cached != null) {
+      return PrayerTimesResult(
+        fajr: cached.fajr,
+        sunrise: cached.sunrise,
+        dhuhr: cached.dhuhr,
+        asr: cached.asr,
+        maghrib: cached.maghrib,
+        isha: cached.isha,
+      );
+    }
+
+    // Calculate using adhan package
+    final coordinates = adhan.Coordinates(lat, lng);
+    final dateComponents = adhan.DateComponents(date.year, date.month, date.day);
+    final params = adhan.CalculationMethod.muslim_world_league.getParameters();
+    params.madhab = adhan.Madhab.shafi;
+
+    final prayerTimes = adhan.PrayerTimes(coordinates, dateComponents, params);
+
+    final result = PrayerTimesResult(
+      fajr: prayerTimes.fajr!,
+      sunrise: prayerTimes.sunrise!,
+      dhuhr: prayerTimes.dhuhr!,
+      asr: prayerTimes.asr!,
+      maghrib: prayerTimes.maghrib!,
+      isha: prayerTimes.isha!,
+    );
+
+    // Cache result
+    cacheBox.put(
+      cacheKey,
+      CachedPrayerTimes(
+        key: cacheKey,
+        lat: lat,
+        lng: lng,
+        date: dateKey,
+        fajr: result.fajr,
+        sunrise: result.sunrise,
+        dhuhr: result.dhuhr,
+        asr: result.asr,
+        maghrib: result.maghrib,
+        isha: result.isha,
+      ),
+    );
+
+    return result;
+  }
+
+  /// Get the next prayer name and time from now.
+  MapEntry<String, DateTime>? getNextPrayer(PrayerTimesResult times) {
+    final now = DateTime.now();
+    final entries = {
+      'Fajr': times.fajr,
+      'Dhuhr': times.dhuhr,
+      'Asr': times.asr,
+      'Maghrib': times.maghrib,
+      'Isha': times.isha,
+    };
+
+    for (final entry in entries.entries) {
+      if (entry.value.isAfter(now)) {
+        return entry;
+      }
+    }
+    return null; // All prayers passed for today
+  }
+
+  /// Get the current active prayer (the last prayer whose time has passed).
+  String? getCurrentPrayer(PrayerTimesResult times) {
+    final now = DateTime.now();
+    String? current;
+
+    if (now.isAfter(times.isha)) {
+      current = 'Isha';
+    } else if (now.isAfter(times.maghrib)) {
+      current = 'Maghrib';
+    } else if (now.isAfter(times.asr)) {
+      current = 'Asr';
+    } else if (now.isAfter(times.dhuhr)) {
+      current = 'Dhuhr';
+    } else if (now.isAfter(times.fajr)) {
+      current = 'Fajr';
+    }
+
+    return current;
+  }
+}