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[core] Delete cache file if exception occurred while loading GroupMemberListCache. Fix #2399

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Him188 2022-12-17 21:28:30 +00:00
parent 62ae2ac03c
commit eea2ef509d
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1 changed files with 11 additions and 3 deletions
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8
mirai-core/src/commonMain/kotlin/network/ContactListCache.kt
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@ -114,10 +114,18 @@ internal class GroupMemberListCaches(
return map.getOrPut(id) { return map.getOrPut(id) {
val file = resolveCacheFile(id) val file = resolveCacheFile(id)
if (file.exists() && file.isFile) { if (file.exists() && file.isFile) {
try {
val text = file.readText() val text = file.readText()
if (text.isNotBlank()) { if (text.isNotBlank()) {
return JsonForCache.decodeFromString(GroupMemberListCache.serializer(), text) return JsonForCache.decodeFromString(GroupMemberListCache.serializer(), text)
} }
} catch (e: Exception) {
logger.warning(
"Exception while loading GroupMemberListCache for group $id, possibly file corrupted. Deleting cache file.",
e
)
file.delete()
}
} }
GroupMemberListCache(0, emptyList()) GroupMemberListCache(0, emptyList())