home_widget: save info needed for the widget

firka/lib/helpers/db/widget.dart

@@ -0,0 +1,71 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:firka/helpers/api/client/kreta_client.dart';
+import 'package:firka/helpers/api/model/timetable.dart';
+import 'package:firka/helpers/debug_helper.dart';
+import 'package:path/path.dart' as p;
+import 'package:path_provider/path_provider.dart';
+
+import '../../ui/model/style.dart';
+
+class WidgetCacheHelper {
+  static Map<String, dynamic> toJson(FirkaStyle style, List<Lesson> timetable) {
+    List<Map<String, dynamic>> timetableJson = [];
+
+    for (var lesson in timetable) {
+      timetableJson.add(lesson.toJson());
+    }
+
+    return {
+      'colors': {
+        'background': style.colors.background.toARGB32(),
+        'backgroundAmoled': style.colors.backgroundAmoled.toARGB32(),
+        'background0p': style.colors.background0p.toARGB32(),
+        'success': style.colors.success.toARGB32(),
+        'textPrimary': style.colors.textPrimary.toARGB32(),
+        'textSecondary': style.colors.textSecondary.toARGB32(),
+        'textTertiary': style.colors.textTertiary.toARGB32(),
+        'card': style.colors.card.toARGB32(),
+        'cardTranslucent': style.colors.cardTranslucent.toARGB32(),
+        'buttonSecondaryFill': style.colors.buttonSecondaryFill.toARGB32(),
+        'accent': style.colors.accent.toARGB32(),
+        'secondary': style.colors.secondary.toARGB32(),
+        'shadowColor': style.colors.shadowColor.toARGB32(),
+        'a15p': style.colors.a15p.toARGB32(),
+        'warningAccent': style.colors.warningAccent.toARGB32(),
+        'warningText': style.colors.warningText.toARGB32(),
+        'warning15p': style.colors.warning15p.toARGB32(),
+        'warningCard': style.colors.warningCard.toARGB32(),
+        'errorAccent': style.colors.errorAccent.toARGB32(),
+        'errorText': style.colors.errorText.toARGB32(),
+        'error15p': style.colors.error15p.toARGB32(),
+        'errorCard': style.colors.errorCard.toARGB32(),
+        'grade5': style.colors.grade5.toARGB32(),
+        'grade4': style.colors.grade4.toARGB32(),
+        'grade3': style.colors.grade3.toARGB32(),
+        'grade2': style.colors.grade2.toARGB32(),
+        'grade1': style.colors.grade1.toARGB32(),
+      },
+      'timetable': timetableJson,
+    };
+  }
+
+  static Future<void> updateWidgetCache(
+      FirkaStyle style, KretaClient client) async {
+    final dataDir = await getApplicationDocumentsDirectory();
+
+    final now = timeNow();
+
+    final start = now.subtract(Duration(days: 7));
+    final end = now.add(Duration(days: 14));
+    final lessons = await client.getTimeTable(start, end);
+
+    final widgetFile = File(p.join(dataDir.path, "widget_state.json"));
+
+    if (lessons.response != null) {
+      widgetFile.writeAsString(
+          jsonEncode(WidgetCacheHelper.toJson(style, lessons.response!)));
+    }
+  }
+}

firka/lib/main.dart

@@ -89,6 +89,8 @@ Future<AppInitialization> initializeApp() async {
   if (tokenCount > 0) {
     init.client =
         KretaClient((await isar.tokenModels.where().findFirst())!, isar);
+
+    await WidgetCacheHelper.updateWidgetCache(appStyle, init.client);
   }
 
   final dataDir = await getApplicationDocumentsDirectory();
@@ -98,8 +100,6 @@ Future<AppInitialization> initializeApp() async {
     init.profilePicture = await pfpFile.readAsBytes();
   }
 
-  await WidgetCacheHelper.updateWidgetCache(appStyle, init.client);
-
   return init;
 }
 

firka/lib/ui/phone/screens/home/home_screen.dart

@@ -11,7 +11,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:majesticons_flutter/majesticons_flutter.dart';
 
-
+import '../../../../helpers/db/widget.dart';
 import '../../../../helpers/debug_helper.dart';
 import '../../../../l10n/app_localizations.dart';
 import '../../../widget/firka_icon.dart';
@@ -19,7 +19,6 @@ import '../../pages/extras/extras.dart';
 import '../../pages/extras/main_error.dart';
 import '../../pages/home/home_grades_subject.dart';
 import '../../pages/home/home_timetable.dart';
-import '../debug/debug_screen.dart';
 
 class HomeScreen extends StatefulWidget {
   final AppInitialization data;
@@ -85,10 +84,12 @@ class _HomeScreenState extends State<HomeScreen> {
 
       var now = timeNow();
       var start = now.subtract(Duration(days: now.weekday - 1));
-      var end = start.add(Duration(days: 6));
+      var end = start.add(Duration(days: 7));
 
       res = await data.client.getTimeTable(start, end, forceCache: false);
 
+      await WidgetCacheHelper.updateWidgetCache(appStyle, data.client);
+
       if (res.err != null) throw res.err!;
     } catch (e) {
       activeToast = ActiveToastType.error;