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UI: AppInfoManager: Simplify old apps purging

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This commit is contained in:
Nodir Temirkhodjaev 2024-08-22 12:48:47 +05:00
parent 5062bb0241
commit b730873383
4 changed files with 51 additions and 49 deletions
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68
src/ui/appinfo/appinfomanager.cpp
View File

@ -16,18 +16,15 @@ namespace {
const QLoggingCategory LC("appInfo");
constexpr int DATABASE_USER_VERSION = 6;
constexpr int DATABASE_USER_VERSION = 7;
constexpr int APP_CACHE_MAX_COUNT = 2000;
constexpr int APP_CACHE_MAX_COUNT = 3000;
constexpr int APP_PURGE_INTERVAL = 3000; // 3 seconds
const char *const sqlSelectAppInfo = "SELECT alt_path, file_descr, company_name,"
" product_name, product_ver, file_mod_time, icon_id"
" FROM app WHERE path = ?1;";
const char *const sqlUpdateAppAccessTime = "UPDATE app"
" SET access_time = datetime('now')"
" WHERE path = ?1;";
const char *const sqlSelectIconImage = "SELECT image FROM icon WHERE icon_id = ?1;";
const char *const sqlSelectIconIdByHash = "SELECT icon_id FROM icon WHERE hash = ?1;";
@ -40,15 +37,14 @@ const char *const sqlUpdateIconRefCount = "UPDATE icon"
" WHERE icon_id = ?1;";
const char *const sqlInsertAppInfo = "INSERT INTO app(path, alt_path, file_descr, company_name,"
" product_name, product_ver, file_mod_time,"
" icon_id, access_time)"
" VALUES(?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, datetime('now'));";
" product_name, product_ver, file_mod_time, icon_id)"
" VALUES(?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8);";
const char *const sqlSelectAppCount = "SELECT count(*) FROM app;";
const char *const sqlSelectAppOlds = "SELECT path, icon_id"
const char *const sqlSelectOldApps = "SELECT path, icon_id"
" FROM app"
" ORDER BY access_time DESC"
" ORDER BY app_id"
" LIMIT ?1;";
const char *const sqlDeleteIconIfNotUsed = "DELETE FROM icon"
@ -59,9 +55,13 @@ const char *const sqlDeleteApp = "DELETE FROM app WHERE path = ?1;";
}
AppInfoManager::AppInfoManager(const QString &filePath, QObject *parent, quint32 openFlags) :
WorkerManager(parent), m_sqliteDb(new SqliteDb(filePath, openFlags))
WorkerManager(parent),
m_appsPurgeTimer(APP_PURGE_INTERVAL),
m_sqliteDb(new SqliteDb(filePath, openFlags))
{
setMaxWorkersCount(1);
connect(&m_appsPurgeTimer, &QTimer::timeout, this, &AppInfoManager::purgeApps);
}
void AppInfoManager::setUp()
@ -127,17 +127,9 @@ bool AppInfoManager::loadInfoFromDb(const QString &appPath, AppInfo &appInfo)
appInfo.fileModTime = stmt.columnDateTime(5);
appInfo.iconId = stmt.columnInt64(6);
// Update last access time
updateAppAccessTime(appPath);
return true;
}
void AppInfoManager::updateAppAccessTime(const QString &appPath)
{
DbQuery(sqliteDb()).sql(sqlUpdateAppAccessTime).vars({ appPath }).executeOk();
}
bool AppInfoManager::setupDb()
{
if (!sqliteDb()->open()) {
@ -196,14 +188,25 @@ void AppInfoManager::saveAppInfo(
DbQuery(sqliteDb(), &ok).sql(sqlInsertAppInfo).vars(vars).executeOk();
}
void AppInfoManager::deleteExcessAppInfos()
void AppInfoManager::emitAppsPurge()
{
QMetaObject::invokeMethod(&m_appsPurgeTimer, &TriggerTimer::startTrigger, Qt::QueuedConnection);
}
void AppInfoManager::purgeApps()
{
QMutexLocker locker(&m_mutex);
sqliteDb()->beginWriteTransaction();
const int appCount = DbQuery(sqliteDb()).sql(sqlSelectAppCount).execute().toInt();
const int excessCount = appCount - APP_CACHE_MAX_COUNT;
if (excessCount > 0) {
deleteOldApps(excessCount);
}
sqliteDb()->commitTransaction();
}
QImage AppInfoManager::loadIconFromDb(qint64 iconId)
@ -240,8 +243,8 @@ bool AppInfoManager::saveToDb(const QString &appPath, AppInfo &appInfo, const QI
if (ok) {
appInfo.iconId = iconId.toLongLong();
// Delete excess info
deleteExcessAppInfos();
// Delete excess infos later
emitAppsPurge();
}
return ok;
@ -258,9 +261,16 @@ void AppInfoManager::deleteAppInfo(const QString &appPath, const AppInfo &appInf
iconIds.insert(appInfo.iconId, 1);
}
// Delete app info & icon
{
QMutexLocker locker(&m_mutex);
sqliteDb()->beginWriteTransaction();
deleteAppsAndIcons(appPaths, iconIds);
sqliteDb()->commitTransaction();
}
}
void AppInfoManager::deleteOldApps(int limitCount)
@ -281,12 +291,10 @@ void AppInfoManager::getOldAppsAndIcons(
QStringList &appPaths, QHash<qint64, int> &iconIds, int limitCount) const
{
SqliteStmt stmt;
if (!stmt.prepare(sqliteDb()->db(), sqlSelectAppOlds, SqliteStmt::PreparePersistent))
if (!stmt.prepare(sqliteDb()->db(), sqlSelectOldApps, SqliteStmt::PreparePersistent))
return;
if (limitCount != 0) {
stmt.bindInt(1, limitCount);
}
while (stmt.step() == SqliteStmt::StepRow) {
const QString appPath = stmt.columnText(0);
@ -298,13 +306,11 @@ void AppInfoManager::getOldAppsAndIcons(
}
}
bool AppInfoManager::deleteAppsAndIcons(
void AppInfoManager::deleteAppsAndIcons(
const QStringList &appPaths, const QHash<qint64, int> &iconIds)
{
bool ok = false;
sqliteDb()->beginWriteTransaction();
// Delete old icons
deleteIcons(iconIds, ok);
@ -312,10 +318,6 @@ bool AppInfoManager::deleteAppsAndIcons(
if (ok) {
deleteApps(appPaths, ok);
}
sqliteDb()->endTransaction(ok);
return ok;
}
void AppInfoManager::deleteIcons(const QHash<qint64, int> &iconIds, bool &ok)

13
src/ui/appinfo/appinfomanager.h
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@ -2,11 +2,13 @@
#define APPINFOMANAGER_H
#include <QMutex>
#include <QVector>
#include <sqlite/sqlite_types.h>
#include <util/classhelpers.h>
#include <util/ioc/iocservice.h>
#include <util/triggertimer.h>
#include <util/worker/workermanager.h>
#include "appinfo.h"
@ -33,7 +35,7 @@ public:
bool saveToDb(const QString &appPath, AppInfo &appInfo, const QImage &appIcon);
void deleteAppInfo(const QString &appPath, const AppInfo &appInfo);
void deleteOldApps(int limitCount = 0);
void deleteOldApps(int limitCount);
signals:
void lookupInfoFinished(const QString &appPath, const AppInfo &appInfo);
@ -48,8 +50,6 @@ public slots:
protected:
WorkerObject *createWorker() override;
virtual void updateAppAccessTime(const QString &appPath);
private:
bool setupDb();
@ -57,11 +57,12 @@ private:
void saveAppInfo(
const QString &appPath, const AppInfo &appInfo, const QVariant &iconId, bool &ok);
void deleteExcessAppInfos();
void emitAppsPurge();
void purgeApps();
void getOldAppsAndIcons(
QStringList &appPaths, QHash<qint64, int> &iconIds, int limitCount) const;
bool deleteAppsAndIcons(const QStringList &appPaths, const QHash<qint64, int> &iconIds);
void deleteAppsAndIcons(const QStringList &appPaths, const QHash<qint64, int> &iconIds);
void deleteIcons(const QHash<qint64, int> &iconIds, bool &ok);
void deleteIcon(qint64 iconId, int deleteCount, bool &ok);
@ -70,6 +71,8 @@ private:
void deleteApp(const QString &appPath, bool &ok);
private:
TriggerTimer m_appsPurgeTimer;
SqliteDbPtr m_sqliteDb;
QMutex m_mutex;
};

10
src/ui/appinfo/migrations/1.sql
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@ -1,16 +1,16 @@
CREATE TABLE app(
path TEXT PRIMARY KEY,
app_id INTEGER PRIMARY KEY,
path TEXT NOT NULL,
alt_path TEXT,
file_descr TEXT,
company_name TEXT,
product_name TEXT,
product_ver TEXT,
file_mod_time INTEGER,
icon_id INTEGER,
access_time DATETIME
) WITHOUT ROWID;
icon_id INTEGER
);
CREATE INDEX app_access_time_idx ON app(access_time);
CREATE UNIQUE INDEX app_path_uk ON app(path);
CREATE TABLE icon(
icon_id INTEGER PRIMARY KEY,

3
src/ui/rpc/appinfomanagerrpc.h
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@ -21,9 +21,6 @@ public:
public slots:
void lookupAppInfo(const QString &appPath) override;
protected:
void updateAppAccessTime(const QString & /*appPath*/) override { }
};
#endif // APPINFOMANAGERRPC_H