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Add support for db migrations

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This commit is contained in:
Nicolas Werner 2020-05-02 16:44:50 +02:00
parent 38417a374d
commit dad2de7ba2
15 changed files with 401 additions and 156 deletions
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40
src/ChatPage.cpp
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@ -17,6 +17,7 @@
#include <QApplication>
#include <QImageReader>
#include <QMessageBox>
#include <QSettings>
#include <QShortcut>
#include <QtConcurrent>
@ -642,20 +643,37 @@ ChatPage::bootstrap(QString userid, QString homeserver, QString token)
&NotificationsManager::removeNotification);
const bool isInitialized = cache::isInitialized();
const bool isValid = cache::isFormatValid();
const auto cacheVersion = cache::formatVersion();
if (!isInitialized) {
cache::setCurrentFormat();
} else if (isInitialized && !isValid) {
// TODO: Deleting session data but keep using the
// same device doesn't work.
cache::deleteData();
cache::init(userid);
cache::setCurrentFormat();
} else if (isInitialized) {
loadStateFromCache();
return;
} else {
if (cacheVersion == cache::CacheVersion::Current) {
loadStateFromCache();
return;
} else if (cacheVersion == cache::CacheVersion::Older) {
if (!cache::runMigrations()) {
QMessageBox::critical(
this,
tr("Cache migration failed!"),
tr("Migrating the cache to the current version failed. "
"This can have different reasons. Please open an "
"issue and try to use an older version in the mean "
"time. Alternatively you can try deleting the cache "
"manually"));
QCoreApplication::quit();
}
loadStateFromCache();
return;
} else if (cacheVersion == cache::CacheVersion::Newer) {
QMessageBox::critical(
this,
tr("Incompatible cache version"),
tr("The cache on your disk is newer than this version of Nheko "
"supports. Please update or clear your cache."));
QCoreApplication::quit();
return;
}
}
} catch (const lmdb::error &e) {