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bug fix #228 : recover from corrupt BookTags.json

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This commit is contained in:
Robert McRackan 2022-04-12 09:16:02 -04:00
parent c95feebd39
commit 2e4c4cf5f7
2 changed files with 12 additions and 6 deletions
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2
AppScaffolding/AppScaffolding.csproj
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@ -3,7 +3,7 @@
<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<Version>6.7.5.1</Version>
<Version>6.7.6.2</Version>
</PropertyGroup>
<ItemGroup>

16
LibationFileManager/TagsPersistence.cs
View File

@ -54,11 +54,17 @@ namespace LibationFileManager
private static void ensureCache()
{
if (cache is null)
lock (locker)
cache = !File.Exists(TagsFile)
? new Dictionary<string, string>()
: JsonConvert.DeserializeObject<Dictionary<string, string>>(File.ReadAllText(TagsFile));
if (cache is not null)
return;
lock (locker)
{
if (File.Exists(TagsFile))
cache = JsonConvert.DeserializeObject<Dictionary<string, string>>(File.ReadAllText(TagsFile));
// if file doesn't exist. or if file is corrupt and deserialize returns null
cache ??= new Dictionary<string, string>();
}
}
}
}