mirror of https://github.com/KDE/kasts.git
207 lines
7.9 KiB
C++
207 lines
7.9 KiB
C++
/**
|
|
* SPDX-FileCopyrightText: 2020 Tobias Fella <tobias.fella@kde.org>
|
|
* SPDX-FileCopyrightText: 2021-2022 Bart De Vries <bart@mogwai.be>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
|
|
*/
|
|
|
|
#include "database.h"
|
|
|
|
#include <QDateTime>
|
|
#include <QDebug>
|
|
#include <QDir>
|
|
#include <QSqlDatabase>
|
|
#include <QSqlError>
|
|
#include <QStandardPaths>
|
|
#include <QUrl>
|
|
|
|
#define TRUE_OR_RETURN(x) \
|
|
if (!x) \
|
|
return false;
|
|
|
|
Database::Database()
|
|
{
|
|
Database::openDatabase();
|
|
|
|
if (!migrate()) {
|
|
qCritical() << "Failed to migrate the database";
|
|
}
|
|
|
|
cleanup();
|
|
}
|
|
|
|
void Database::openDatabase(const QString &connectionName)
|
|
{
|
|
QSqlDatabase db = QSqlDatabase::addDatabase(QStringLiteral("QSQLITE"), connectionName);
|
|
QString databasePath = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
|
|
QDir(databasePath).mkpath(databasePath);
|
|
db.setDatabaseName(databasePath + QStringLiteral("/") + m_dbName);
|
|
db.open();
|
|
}
|
|
|
|
void Database::closeDatabase(const QString &connectionName)
|
|
{
|
|
QSqlDatabase::database(connectionName).close();
|
|
QSqlDatabase::removeDatabase(connectionName);
|
|
}
|
|
|
|
bool Database::migrate()
|
|
{
|
|
int dbversion = version();
|
|
if (dbversion < 1)
|
|
TRUE_OR_RETURN(migrateTo1());
|
|
if (dbversion < 2)
|
|
TRUE_OR_RETURN(migrateTo2());
|
|
if (dbversion < 3)
|
|
TRUE_OR_RETURN(migrateTo3());
|
|
if (dbversion < 4)
|
|
TRUE_OR_RETURN(migrateTo4());
|
|
if (dbversion < 5)
|
|
TRUE_OR_RETURN(migrateTo5());
|
|
if (dbversion < 6)
|
|
TRUE_OR_RETURN(migrateTo6());
|
|
return true;
|
|
}
|
|
|
|
bool Database::migrateTo1()
|
|
{
|
|
qDebug() << "Migrating database to version 1";
|
|
TRUE_OR_RETURN(transaction());
|
|
TRUE_OR_RETURN(
|
|
execute(QStringLiteral("CREATE TABLE IF NOT EXISTS Feeds (name TEXT, url TEXT, image TEXT, link TEXT, description TEXT, deleteAfterCount INTEGER, "
|
|
"deleteAfterType INTEGER, subscribed INTEGER, lastUpdated INTEGER, new BOOL, notify BOOL);")));
|
|
TRUE_OR_RETURN(
|
|
execute(QStringLiteral("CREATE TABLE IF NOT EXISTS Entries (feed TEXT, id TEXT UNIQUE, title TEXT, content TEXT, created INTEGER, updated INTEGER, "
|
|
"link TEXT, read bool, new bool, hasEnclosure BOOL, image TEXT);")));
|
|
TRUE_OR_RETURN(execute(QStringLiteral("CREATE TABLE IF NOT EXISTS Authors (feed TEXT, id TEXT, name TEXT, uri TEXT, email TEXT);")));
|
|
TRUE_OR_RETURN(
|
|
execute(QStringLiteral("CREATE TABLE IF NOT EXISTS Enclosures (feed TEXT, id TEXT, duration INTEGER, size INTEGER, title TEXT, type TEXT, url TEXT, "
|
|
"playposition INTEGER, downloaded BOOL);")));
|
|
TRUE_OR_RETURN(execute(QStringLiteral("CREATE TABLE IF NOT EXISTS Queue (listnr INTEGER, feed TEXT, id TEXT, playing BOOL);")));
|
|
TRUE_OR_RETURN(execute(QStringLiteral("CREATE TABLE IF NOT EXISTS Errors (url TEXT, id TEXT, code INTEGER, message TEXT, date INTEGER);")));
|
|
TRUE_OR_RETURN(execute(QStringLiteral("PRAGMA user_version = 1;")));
|
|
TRUE_OR_RETURN(commit());
|
|
return true;
|
|
}
|
|
|
|
bool Database::migrateTo2()
|
|
{
|
|
qDebug() << "Migrating database to version 2";
|
|
TRUE_OR_RETURN(transaction());
|
|
TRUE_OR_RETURN(execute(QStringLiteral("DROP TABLE Errors;")));
|
|
TRUE_OR_RETURN(execute(QStringLiteral("CREATE TABLE IF NOT EXISTS Errors (type INTEGER, url TEXT, id TEXT, code INTEGER, message TEXT, date INTEGER);")));
|
|
TRUE_OR_RETURN(execute(QStringLiteral("PRAGMA user_version = 2;")));
|
|
TRUE_OR_RETURN(commit());
|
|
return true;
|
|
}
|
|
|
|
bool Database::migrateTo3()
|
|
{
|
|
qDebug() << "Migrating database to version 3";
|
|
TRUE_OR_RETURN(transaction());
|
|
TRUE_OR_RETURN(
|
|
execute(QStringLiteral("CREATE TABLE IF NOT EXISTS Enclosurestemp (feed TEXT, id TEXT, duration INTEGER, size INTEGER, title TEXT, type TEXT, url "
|
|
"TEXT, playposition INTEGER, downloaded INTEGER);")));
|
|
TRUE_OR_RETURN(
|
|
execute(QStringLiteral("INSERT INTO Enclosurestemp (feed, id, duration, size, title, type, url, playposition, downloaded) SELECT feed, id, duration, "
|
|
"size, title, type, url, playposition, downloaded FROM Enclosures;")));
|
|
TRUE_OR_RETURN(execute(QStringLiteral("UPDATE Enclosurestemp SET downloaded=3 WHERE downloaded=1;")));
|
|
TRUE_OR_RETURN(execute(QStringLiteral("DROP TABLE Enclosures;")));
|
|
TRUE_OR_RETURN(execute(QStringLiteral("ALTER TABLE Enclosurestemp RENAME TO Enclosures;")));
|
|
TRUE_OR_RETURN(execute(QStringLiteral("PRAGMA user_version = 3;")));
|
|
TRUE_OR_RETURN(commit());
|
|
return true;
|
|
}
|
|
|
|
bool Database::migrateTo4()
|
|
{
|
|
qDebug() << "Migrating database to version 4";
|
|
TRUE_OR_RETURN(transaction());
|
|
TRUE_OR_RETURN(execute(QStringLiteral("DROP TABLE Errors;")));
|
|
TRUE_OR_RETURN(
|
|
execute(QStringLiteral("CREATE TABLE IF NOT EXISTS Errors (type INTEGER, url TEXT, id TEXT, code INTEGER, message TEXT, date INTEGER, title TEXT);")));
|
|
TRUE_OR_RETURN(execute(QStringLiteral("PRAGMA user_version = 4;")));
|
|
TRUE_OR_RETURN(commit());
|
|
return true;
|
|
}
|
|
|
|
bool Database::migrateTo5()
|
|
{
|
|
qDebug() << "Migrating database to version 5";
|
|
TRUE_OR_RETURN(transaction());
|
|
TRUE_OR_RETURN(execute(QStringLiteral("CREATE TABLE IF NOT EXISTS Chapters (feed TEXT, id TEXT, start INTEGER, title TEXT, link TEXT, image TEXT);")));
|
|
TRUE_OR_RETURN(execute(QStringLiteral("PRAGMA user_version = 5;")));
|
|
TRUE_OR_RETURN(commit());
|
|
return true;
|
|
}
|
|
|
|
bool Database::migrateTo6()
|
|
{
|
|
qDebug() << "Migrating database to version 6";
|
|
TRUE_OR_RETURN(transaction());
|
|
TRUE_OR_RETURN(execute(QStringLiteral("CREATE TABLE IF NOT EXISTS SyncTimestamps (syncservice TEXT, timestamp INTEGER);")));
|
|
TRUE_OR_RETURN(execute(QStringLiteral("CREATE TABLE IF NOT EXISTS FeedActions (url TEXT, action TEXT, timestamp INTEGER);")));
|
|
TRUE_OR_RETURN(
|
|
execute(QStringLiteral("CREATE TABLE IF NOT EXISTS EpisodeActions (podcast TEXT, url TEXT, id TEXT, action TEXT, started INTEGER, position INTEGER, "
|
|
"total INTEGER, timestamp INTEGER);")));
|
|
TRUE_OR_RETURN(execute(QStringLiteral("PRAGMA user_version = 6;")));
|
|
TRUE_OR_RETURN(commit());
|
|
return true;
|
|
}
|
|
|
|
bool Database::execute(const QString &query, const QString &connectionName)
|
|
{
|
|
QSqlQuery q(connectionName);
|
|
q.prepare(query);
|
|
return execute(q);
|
|
}
|
|
|
|
bool Database::execute(QSqlQuery &query)
|
|
{
|
|
// NOTE that this will execute the query on the database that was specified
|
|
// when the QSqlQuery was created. There is no way to change that later on.
|
|
if (!query.exec()) {
|
|
qWarning() << "Failed to execute SQL Query";
|
|
qWarning() << query.lastQuery();
|
|
qWarning() << query.lastError();
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool Database::transaction(const QString &connectionName)
|
|
{
|
|
// use IMMEDIATE transaction here to avoid deadlocks with writes happening
|
|
// in different threads
|
|
QSqlQuery query(QSqlDatabase::database(connectionName));
|
|
query.prepare(QStringLiteral("BEGIN IMMEDIATE TRANSACTION;"));
|
|
return execute(query);
|
|
}
|
|
|
|
bool Database::commit(const QString &connectionName)
|
|
{
|
|
return QSqlDatabase::database(connectionName).commit();
|
|
}
|
|
|
|
int Database::version()
|
|
{
|
|
QSqlQuery query;
|
|
query.prepare(QStringLiteral("PRAGMA user_version;"));
|
|
execute(query);
|
|
if (query.next()) {
|
|
bool ok;
|
|
int value = query.value(0).toInt(&ok);
|
|
qDebug() << "Database version" << value;
|
|
if (ok)
|
|
return value;
|
|
} else {
|
|
qCritical() << "Failed to check database version";
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
void Database::cleanup()
|
|
{
|
|
// TODO: create database sanity checks, or, alternatively, create database scrub routine
|
|
}
|