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caching of subject wise attendance data
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:go_router/go_router.dart'; | ||
| import 'package:google_fonts/google_fonts.dart'; | ||
| import 'package:imsnsit/model/functions.dart'; | ||
| import 'package:imsnsit/provider/ims_provider.dart'; | ||
| import 'package:imsnsit/provider/mode_provider.dart'; | ||
| import 'package:imsnsit/widgets/outdated_data_overlay.dart'; | ||
| import 'package:provider/provider.dart'; | ||
| import 'package:shared_preferences/shared_preferences.dart'; | ||
|
|
||
| class SubjectAttandanceScreen extends StatelessWidget { | ||
| const SubjectAttandanceScreen( | ||
| {super.key, required this.subjectCode, required this.subject}); | ||
|
|
||
| final String subjectCode; | ||
| final String subject; | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| final bool _isOffline = context.read<ModeProvider>().offline; | ||
| final OverlayPortalController overlayPortalController = | ||
| OverlayPortalController(); | ||
| final lastUpdated = context | ||
| .read<SharedPreferences>() | ||
| .getString('subjectWiseAttendanceDataLastUpdated'); | ||
|
|
||
| WidgetsBinding.instance.addPostFrameCallback((_) { | ||
| if (_isOffline) { | ||
| overlayPortalController.show(); | ||
| } else { | ||
| overlayPortalController.hide(); | ||
| } | ||
| }); | ||
|
|
||
| return OverlayPortal( | ||
| controller: overlayPortalController, | ||
| overlayChildBuilder: (ctx) => outdatedDataOverlay(ctx, | ||
| lastUpdated: lastUpdated, | ||
| action: () => context.go('/initial_screen')), | ||
| child: FutureBuilder( | ||
| future: _isOffline | ||
| ? Functions.getJsonFromFile(DataType.absoluteAttendance) | ||
| : context.read<ImsProvider>().ims.getAbsoulteAttandanceData(), | ||
| builder: (context, snapshot) { | ||
| if (snapshot.hasData) { | ||
| return Scaffold( | ||
| body: Padding( | ||
| padding: | ||
| const EdgeInsets.symmetric(horizontal: 20, vertical: 64), | ||
| child: Column( | ||
| mainAxisAlignment: MainAxisAlignment.start, | ||
| children: [ | ||
| Card( | ||
| color: Theme.of(context).colorScheme.secondary, | ||
| child: Padding( | ||
| padding: const EdgeInsets.symmetric( | ||
| vertical: 16, horizontal: 24), | ||
| child: Column( | ||
| mainAxisAlignment: MainAxisAlignment.center, | ||
| children: [ | ||
| Text( | ||
| subject, | ||
| style: GoogleFonts.lexend(fontSize: 16), | ||
| ), | ||
| Text(subjectCode, | ||
| style: GoogleFonts.lexend(fontSize: 14)), | ||
| ], | ||
| ), | ||
| ), | ||
| ), | ||
| GridView.builder( | ||
| shrinkWrap: true, | ||
| itemCount: snapshot.data![subjectCode]!.length, | ||
| gridDelegate: | ||
| const SliverGridDelegateWithFixedCrossAxisCount( | ||
| crossAxisCount: 5), | ||
| itemBuilder: (context, index) { | ||
| final entry = snapshot.data![subjectCode].entries | ||
| .elementAt(index); | ||
| return AttandanceDayCard( | ||
| day: entry.key, | ||
| value: "${entry.value}", | ||
| ); | ||
| }, | ||
| ) | ||
| ], | ||
| ), | ||
| ), | ||
| ); | ||
| } else { | ||
| return Center( | ||
| child: CircularProgressIndicator( | ||
| color: Theme.of(context).colorScheme.onBackground, | ||
| ), | ||
| ); | ||
| } | ||
| }), | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| class AttandanceDayCard extends StatelessWidget { | ||
| const AttandanceDayCard({super.key, required this.day, required this.value}); | ||
|
|
||
| final String day; | ||
| final String value; | ||
|
|
||
| Color? get cardColor { | ||
| if (value.contains('1')) { | ||
| return Colors.green.withAlpha(150); | ||
| } else if (value.contains('0')) { | ||
| return Colors.red.withAlpha(150); | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Card( | ||
| color: cardColor ?? Theme.of(context).colorScheme.surface, | ||
| child: Column( | ||
| mainAxisAlignment: MainAxisAlignment.spaceAround, | ||
| children: [ | ||
| Text( | ||
| day, | ||
| style: GoogleFonts.lexend(), | ||
| ), | ||
| Text( | ||
| value, | ||
| style: GoogleFonts.lexend(), | ||
| ), | ||
| ], | ||
| ), | ||
| ); | ||
| } | ||
| } |
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