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Code Issues Releases Wiki Activity

Handle db upgrades and prepare work for old profiles deprecation.

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This commit is contained in:
Filippo Scognamiglio 2018-11-18 23:24:42 +01:00
parent 8124d101ad
commit 6fb8ceb501
2 changed files with 42 additions and 3 deletions
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17
app/qml/ApplicationSettings.qml
View File

@ -24,7 +24,9 @@ import QtQuick.Controls 1.0
import "utils.js" as Utils import "utils.js" as Utils
QtObject{ QtObject{
property string version: "1.0.1" readonly property string version: "1.0.1"
readonly property int profileVersion: 2
// STATIC CONSTANTS //////////////////////////////////////////////////////// // STATIC CONSTANTS ////////////////////////////////////////////////////////
@ -109,6 +111,8 @@ QtObject{
signal initializedSettings() signal initializedSettings()
signal showErrorMessage(string message)
property Loader fontManager: Loader{ property Loader fontManager: Loader{
states: [ states: [
State { when: rasterization == no_rasterization State { when: rasterization == no_rasterization
@ -331,6 +335,17 @@ QtObject{
burnInQuality = settings.burnInQuality !== undefined ? settings.burnInQuality : burnInQuality; burnInQuality = settings.burnInQuality !== undefined ? settings.burnInQuality : burnInQuality;
} }
function userLoadProfileString(profileString) {
var profile = JSON.parse(profileString);
var version = profile.version !== undefined ? profile.version : 1;
if (version === profileVersion) {
loadProfileString(profileString);
} else {
showErrorMessage("This profile is not supported on this version of CRT.")
}
}
function loadProfileString(profileString){ function loadProfileString(profileString){
var settings = JSON.parse(profileString); var settings = JSON.parse(profileString);

28
app/qml/Storage.qml
View File

@ -23,9 +23,20 @@ import QtQuick.LocalStorage 2.0
QtObject { QtObject {
property bool initialized: false property bool initialized: false
property string dbVersion: "1.1"
function getDatabase() { function getDatabase() {
return LocalStorage.openDatabaseSync("coolretroterm", "1.0", "StorageDatabase", 100000); try {
return _getDatabase(dbVersion);
} catch (error) {
console.log("Error while reading from settings database:", error);
updateAndResetDatabase(_getDatabase(""));
return _getDatabase(dbVersion);
}
}
function _getDatabase(version) {
return LocalStorage.openDatabaseSync("coolretroterm", version, "StorageDatabase", 100000);
} }
function initialize() { function initialize() {
@ -74,9 +85,22 @@ QtObject {
function dropSettings(){ function dropSettings(){
var db = getDatabase(); var db = getDatabase();
dropSettingsFromDB(db);
}
function updateAndResetDatabase(db) {
console.log("Updating and resetting database.");
db.changeVersion(db.version, dbVersion);
try {
dropSettingsFromDB(db);
} catch (error) {}
}
function dropSettingsFromDB(db) {
db.transaction( db.transaction(
function(tx) { function(tx) {
tx.executeSql('DROP TABLE settings'); tx.executeSql('DROP TABLE settings');
}); });
} }
} }