init method

Implementation

Future<void> init() async {
  if (_initialized) return;

  _surahs = await QuranDataLoader.loadSurahs();
  _store = await QuranDataLoader.load();

  for (final entry in _store!.linesByPage.entries) {
    final page = entry.key;
    for (final line in entry.value) {
      if (line.surahNumber != null && line.surahNumber! > 0) {
        _pageSurahMap.putIfAbsent(page, () => line.surahNumber!);
      }
    }
    if (!_pageSurahMap.containsKey(page)) {
      for (final line in entry.value) {
        if (line.firstWordId != null) {
          final word = _store!.wordsById[line.firstWordId];
          if (word != null) {
            _pageSurahMap.putIfAbsent(page, () => word.surah);
            break;
          }
        }
      }
    }
  }

  _initialized = true;
}