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#include "appdb.hpp"
#include <qsqldatabase.h>
#include <qsqlquery.h>
#include <quuid.h>
namespace caelestia {
AppEntry::AppEntry(QObject* entry, unsigned int frequency, QObject* parent)
: QObject(parent)
, m_entry(entry)
, m_frequency(frequency) {}
QObject* AppEntry::entry() const {
return m_entry;
}
quint32 AppEntry::frequency() const {
return m_frequency;
}
void AppEntry::setFrequency(unsigned int frequency) {
if (m_frequency != frequency) {
m_frequency = frequency;
emit frequencyChanged();
}
}
void AppEntry::incrementFrequency() {
m_frequency++;
emit frequencyChanged();
}
QString AppEntry::id() const {
return m_entry->property("id").toString();
}
QString AppEntry::name() const {
return m_entry->property("name").toString();
}
QString AppEntry::desc() const {
return m_entry->property("comment").toString();
}
QString AppEntry::execString() const {
return m_entry->property("execString").toString();
}
QString AppEntry::wmClass() const {
return m_entry->property("startupClass").toString();
}
QString AppEntry::genericName() const {
return m_entry->property("genericName").toString();
}
QString AppEntry::categories() const {
return m_entry->property("categories").toStringList().join(" ");
}
QString AppEntry::keywords() const {
return m_entry->property("keywords").toStringList().join(" ");
}
AppDb::AppDb(QObject* parent)
: QObject(parent)
, m_uuid(QUuid::createUuid().toString()) {
auto db = QSqlDatabase::addDatabase("QSQLITE", m_uuid);
db.setDatabaseName(":memory:");
db.open();
QSqlQuery query(db);
query.exec("CREATE TABLE IF NOT EXISTS frequencies (id TEXT PRIMARY KEY, frequency INTEGER)");
}
QString AppDb::uuid() const {
return m_uuid;
}
QString AppDb::path() const {
return m_path;
}
void AppDb::setPath(const QString& path) {
if (m_path == path) {
return;
}
m_path = path;
emit pathChanged();
auto db = QSqlDatabase::database(m_uuid, false);
db.close();
db.setDatabaseName(path);
updateAppFrequencies();
}
QList<QObject*> AppDb::entries() const {
return m_entries;
}
void AppDb::setEntries(const QList<QObject*>& entries) {
if (m_entries == entries) {
return;
}
m_entries = entries;
emit entriesChanged();
updateApps();
}
QList<AppEntry*> AppDb::apps() const {
auto apps = m_apps.values();
std::sort(apps.begin(), apps.end(), [](AppEntry* a, AppEntry* b) {
if (a->frequency() != b->frequency()) {
return a->frequency() > b->frequency();
}
return a->name().localeAwareCompare(b->name()) < 0;
});
return apps;
}
void AppDb::incrementFrequency(const QString& id) {
auto db = QSqlDatabase::database(m_uuid);
QSqlQuery query(db);
query.prepare("INSERT INTO frequencies (id, frequency) "
"VALUES (:id, 1) "
"ON CONFLICT (id) DO UPDATE SET frequency = frequency + 1");
query.bindValue(":id", id);
query.exec();
for (auto app : m_apps) {
if (app->id() == id) {
const auto before = apps();
app->incrementFrequency();
if (before != apps()) {
emit appsChanged();
}
return;
}
}
qWarning() << "AppDb::incrementFrequency: could not find app with id" << id;
}
quint32 AppDb::getFrequency(const QString& id) const {
auto db = QSqlDatabase::database(m_uuid);
QSqlQuery query(db);
query.prepare("SELECT frequency FROM frequencies WHERE id = :id");
query.bindValue(":id", id);
if (query.exec() && query.next()) {
return query.value(0).toUInt();
}
return 0;
}
void AppDb::updateAppFrequencies() {
for (auto app : m_apps) {
app->setFrequency(getFrequency(app->id()));
}
}
void AppDb::updateApps() {
bool dirty = false;
for (auto entry : m_entries) {
const auto id = entry->property("id").toString();
if (!m_apps.contains(id)) {
dirty = true;
m_apps.insert(id, new AppEntry(entry, getFrequency(id), this));
}
}
QSet<QString> newIds;
for (auto entry : m_entries) {
newIds.insert(entry->property("id").toString());
}
for (auto id : m_apps.keys()) {
if (!newIds.contains(id)) {
dirty = true;
delete m_apps.take(id);
}
}
if (dirty) {
emit appsChanged();
}
}
} // namespace caelestia
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