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extra theme verification

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This commit is contained in:
julian 2023-06-07 08:36:47 -06:00
parent 59cf12149f
commit e7ed01aad5
2 changed files with 36 additions and 3 deletions
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21
lib/main.dart
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@ -205,6 +205,27 @@ void main() async {
// check and update or install default themes
await ThemeService.instance.checkDefaultThemesOnStartup();
// verify current user preference theme and revert to default
// if problems are found to prevent app being unusable
if (!(await ThemeService.instance
.verifyInstalled(themeId: Prefs.instance.themeId))) {
Prefs.instance.themeId = "light";
}
// verify current user preference light brightness theme and revert to default
// if problems are found to prevent app being unusable
if (!(await ThemeService.instance
.verifyInstalled(themeId: Prefs.instance.systemBrightnessLightThemeId))) {
Prefs.instance.systemBrightnessLightThemeId = "light";
}
// verify current user preference dark brightness theme and revert to default
// if problems are found to prevent app being unusable
if (!(await ThemeService.instance
.verifyInstalled(themeId: Prefs.instance.systemBrightnessDarkThemeId))) {
Prefs.instance.systemBrightnessDarkThemeId = "dark";
}
runApp(const ProviderScope(child: MyApp()));
}

18
lib/themes/theme_service.dart
View file

@ -58,6 +58,12 @@ class ThemeService {
applicationThemesDirectoryPath: themesDir.path,
);
try {
theme.assets;
} catch (_) {
throw Exception("Invalid theme: Failed to create assets object");
}
final String assetsPath = "${themesDir.path}/${theme.themeId}";
for (final file in archive.files) {
@ -167,9 +173,15 @@ class ThemeService {
// TODO more thorough check/verification of theme
Future<bool> verifyInstalled({required String themeId}) async {
final dbHasTheme =
await db.isar.stackThemes.where().themeIdEqualTo(themeId).count() > 0;
if (dbHasTheme) {
final theme =
await db.isar.stackThemes.where().themeIdEqualTo(themeId).findFirst();
if (theme != null) {
try {
theme.assets;
} catch (_) {
return false;
}
final themesDir = await StackFileSystem.applicationThemesDirectory();
final jsonFileExists =
await File("${themesDir.path}/$themeId/theme.json").exists();