Aswin Biju
45fcdcebfb
Add SRS app: results, shops, orders and users, wired to srs-api
Flutter web/PWA for the lottery agency, built on Riverpod and go_router,
talking to srs-api over HTTP (HttpApi, token kept in SharedPreferences).
- Results, Shops, Orders and Users tabs (Users for admins only), with
phone, tablet and desktop layouts and shared widgets and theme tokens
- Users: list with search and Active/Inactive filters; user detail with
shops, sign-in details, and an Access card
- WhatsApp results switch on each user (sendResults on
PATCH /api/users/:id). Shows the WhatsApp logo (Simple Icons, CC0,
drawn with flutter_svg), green only when results will really go out.
Can't be turned on without a phone number ("Add a phone number first"
opens the phone sheet), and is paused while the user is inactive. The
users list marks people who get results with the logo.
- Each Access switch has a one-line description; the explanation
paragraphs are gone
- Remove demo mode: the app always uses the real AP
test/support and is used only by tests.
118 lines
3.2 KiB
Dart
118 lines
3.2 KiB
Dart
const _weekdays = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'];
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const _months = [
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'Jan',
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'Feb',
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'Mar',
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'Apr',
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'May',
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'Jun',
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'Jul',
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'Aug',
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'Sep',
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'Oct',
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'Nov',
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'Dec',
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];
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const _monthsLong = [
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'January',
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'February',
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'March',
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'April',
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'May',
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'June',
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'July',
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'August',
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'September',
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'October',
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'November',
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'December',
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];
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String inr(int n) {
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final neg = n < 0;
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final s = n.abs().toString();
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if (s.length <= 3) return '${neg ? '-' : ''}$s';
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final last = s.substring(s.length - 3);
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var rest = s.substring(0, s.length - 3);
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final parts = <String>[];
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while (rest.length > 2) {
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parts.insert(0, rest.substring(rest.length - 2));
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rest = rest.substring(0, rest.length - 2);
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}
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if (rest.isNotEmpty) parts.insert(0, rest);
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return '${neg ? '-' : ''}${parts.join(',')},$last';
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}
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String rupees(int n) => '₹${inr(n)}';
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DateTime dateOnly(DateTime d) => DateTime(d.year, d.month, d.day);
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bool sameDay(DateTime a, DateTime b) =>
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a.year == b.year && a.month == b.month && a.day == b.day;
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DateTime addDays(DateTime d, int n) => DateTime(d.year, d.month, d.day + n);
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/// Fri, 16 Oct 2026
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String dateLong(DateTime d) =>
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'${_weekdays[d.weekday - 1]}, ${d.day} ${_months[d.month - 1]} ${d.year}';
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/// Fri, 16 Oct
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String dateShort(DateTime d) =>
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'${_weekdays[d.weekday - 1]}, ${d.day} ${_months[d.month - 1]}';
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/// October 2026
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String monthYear(DateTime d) => '${_monthsLong[d.month - 1]} ${d.year}';
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/// 12:41 PM
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String time12(DateTime d) {
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final h = d.hour % 12 == 0 ? 12 : d.hour % 12;
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final m = d.minute.toString().padLeft(2, '0');
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return '$h:$m ${d.hour >= 12 ? 'PM' : 'AM'}';
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}
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String isoDate(DateTime d) =>
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'${d.year.toString().padLeft(4, '0')}-${d.month.toString().padLeft(2, '0')}-${d.day.toString().padLeft(2, '0')}';
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String plural(int n, String one, [String? many]) =>
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'${inr(n)} ${n == 1 ? one : (many ?? '${one}s')}';
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/// 919000012345 -> +91 90000 12345
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String fmtPhone(String? digits) {
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if (digits == null || digits.isEmpty) return '';
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if (digits.length == 12 && digits.startsWith('91')) {
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return '+91 ${digits.substring(2, 7)} ${digits.substring(7)}';
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}
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return '+$digits';
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}
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String initials(String name) {
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final parts = name.split(RegExp(r'[._\- ]+')).where((p) => p.isNotEmpty);
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final list = parts.toList();
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if (list.isEmpty) return '?';
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if (list.length == 1) {
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final w = list.first;
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return w.substring(0, w.length >= 2 ? 2 : 1).toUpperCase();
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}
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return (list[0][0] + list[1][0]).toUpperCase();
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}
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String tierLabel(int tier) => '${tier}th prize';
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/// "5th prize", or "5th + 8th prize" for an ending in two tiers.
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String tiersLabel(List<int> tiers) {
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final sorted = [...tiers]..sort();
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if (sorted.length < 2) return sorted.isEmpty ? '' : tierLabel(sorted.first);
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return '${sorted.map((t) => '${t}th').join(' + ')} prize';
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}
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/// A server instant (UTC) as the Indian wall-clock time the screens show.
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DateTime istWallClock(DateTime instant) {
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final t = instant.toUtc().add(const Duration(hours: 5, minutes: 30));
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return DateTime(t.year, t.month, t.day, t.hour, t.minute, t.second);
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}
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/// Parses a YYYY-MM-DD calendar date.
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DateTime parseDate(String iso) => DateTime(
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int.parse(iso.substring(0, 4)),
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int.parse(iso.substring(5, 7)),
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int.parse(iso.substring(8, 10)),
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);
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