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Prevent saving invalid values

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If a value has not changed and should be saved to a file, only the key (and the invalid value) was passed to the save function. The save function does not check this case or read the value from the cache.
This happens when changing simulator paths as the settings are updated and saved separately.
This commit is contained in:
Lars Toenning
2022-04-05 17:49:04 +02:00
committed by Mat Sutcliffe
parent 05293feb8f
commit d4fdc6e17b
3 changed files with 9 additions and 9 deletions
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14
src/blackmisc/valuecache.cpp
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@@ -363,6 +363,7 @@ namespace BlackMisc
QMap<QString, CVariantMap> namespaces;
for (auto it = values.cbegin(); it != values.cend(); ++it)
{
Q_ASSERT(it.value().isValid());
namespaces[it.key().section('/', 0, m_fileSplitDepth - 1)].insert(it.key(), it.value());
}
if (! QDir::root().mkpath(dir))
@@ -693,28 +694,27 @@ namespace BlackMisc
return element.m_value.read();
}
CStatusMessage CValuePage::setValue(Element &element, CVariant value, qint64 timestamp, bool save, bool ignoreValue)
CStatusMessage CValuePage::setValue(Element &element, CVariant value, qint64 timestamp, bool save)
{
Q_ASSERT_X(! element.m_key.isEmpty(), Q_FUNC_INFO, "Empty key suggests an attempt to use value before objectName available for %%OwnerName%%");
Q_ASSERT(QThread::currentThread() == thread());
if (timestamp == 0) { timestamp = QDateTime::currentMSecsSinceEpoch(); }
if (! value.isValid()) { value = element.m_value.read(); }
bool changed = element.m_timestamp != timestamp || element.m_value.read() != value;
if (! changed && ! save && ! ignoreValue)
if (! changed && ! save)
{
return CStatusMessage(this).info(u"Value '%1' not set, same timestamp and value") << element.m_nameWithKey;
}
if (ignoreValue) { value = element.m_value.read(); }
else { ignoreValue = ! changed; }
auto status = validate(element, value, CStatusMessage::SeverityError);
if (status.isSuccess())
{
if (ignoreValue)
if (! changed)
{
element.m_saved = save;
emit valuesWantToCache({ { { element.m_key, {} } }, 0, save, false });
emit valuesWantToCache({ { { element.m_key, value } }, 0, save, false });
}
else if (m_batchMode > 0)
{