hyperion.ng/libsrc/hyperion/SettingsManager.cpp
2018-12-30 22:07:53 +01:00

191 lines
5.6 KiB
C++

// proj
#include <hyperion/SettingsManager.h>
// util
#include <utils/JsonUtils.h>
// json schema process
#include <utils/jsonschema/QJsonFactory.h>
#include <utils/jsonschema/QJsonSchemaChecker.h>
// write config to filesystem
#include <utils/JsonUtils.h>
// hyperion
#include <hyperion/Hyperion.h>
QJsonObject SettingsManager::schemaJson;
SettingsManager::SettingsManager(Hyperion* hyperion, const quint8& instance, const QString& configFile)
: _hyperion(hyperion)
, _log(Logger::getInstance("SettingsManager"))
{
connect(this, &SettingsManager::settingsChanged, _hyperion, &Hyperion::settingsChanged);
// get schema
if(schemaJson.isEmpty())
{
Q_INIT_RESOURCE(resource);
try
{
schemaJson = QJsonFactory::readSchema(":/hyperion-schema");
}
catch(const std::runtime_error& error)
{
throw std::runtime_error(error.what());
}
}
// get default config
QJsonObject defaultConfig;
if(!JsonUtils::readFile(":/hyperion_default.config", defaultConfig, _log))
throw std::runtime_error("Failed to read default config");
Info(_log, "Selected configuration file: %s", QSTRING_CSTR(configFile));
QJsonSchemaChecker schemaCheckerT;
if(!JsonUtils::readFile(configFile, _qconfig, _log))
throw std::runtime_error("Failed to load config!");
// validate config with schema and correct it if required
QPair<bool, bool> validate = schemaCheckerT.validate(_qconfig);
// errors in schema syntax, abort
if (!validate.second)
{
foreach (auto & schemaError, schemaCheckerT.getMessages())
Error(_log, "Schema Syntax Error: %s", QSTRING_CSTR(schemaError));
throw std::runtime_error("ERROR: Hyperion schema has syntax errors!");
}
// errors in configuration, correct it!
if (!validate.first)
{
Warning(_log,"Errors have been found in the configuration file. Automatic correction has been applied");
_qconfig = schemaCheckerT.getAutoCorrectedConfig(_qconfig);
foreach (auto & schemaError, schemaCheckerT.getMessages())
Warning(_log, "Config Fix: %s", QSTRING_CSTR(schemaError));
if (!JsonUtils::write(configFile, _qconfig, _log))
throw std::runtime_error("ERROR: Can't save configuration file, aborting");
}
Debug(_log,"Settings database initialized")
}
SettingsManager::SettingsManager(const quint8& instance, const QString& configFile)
: _hyperion(nullptr)
, _log(Logger::getInstance("SettingsManager"))
{
Q_INIT_RESOURCE(resource);
// get schema
if(schemaJson.isEmpty())
{
try
{
schemaJson = QJsonFactory::readSchema(":/hyperion-schema");
}
catch(const std::runtime_error& error)
{
throw std::runtime_error(error.what());
}
}
// get default config
QJsonObject defaultConfig;
if(!JsonUtils::readFile(":/hyperion_default.config", defaultConfig, _log))
throw std::runtime_error("Failed to read default config");
Info(_log, "Selected configuration file: %s", QSTRING_CSTR(configFile));
QJsonSchemaChecker schemaCheckerT;
if(!JsonUtils::readFile(configFile, _qconfig, _log))
throw std::runtime_error("Failed to load config!");
// validate config with schema and correct it if required
QPair<bool, bool> validate = schemaCheckerT.validate(_qconfig);
// errors in schema syntax, abort
if (!validate.second)
{
foreach (auto & schemaError, schemaCheckerT.getMessages())
Error(_log, "Schema Syntax Error: %s", QSTRING_CSTR(schemaError));
throw std::runtime_error("ERROR: Hyperion schema has syntax errors!");
}
// errors in configuration, correct it!
if (!validate.first)
{
Warning(_log,"Errors have been found in the configuration file. Automatic correction has been applied");
_qconfig = schemaCheckerT.getAutoCorrectedConfig(_qconfig);
foreach (auto & schemaError, schemaCheckerT.getMessages())
Warning(_log, "Config Fix: %s", QSTRING_CSTR(schemaError));
if (!JsonUtils::write(configFile, _qconfig, _log))
throw std::runtime_error("ERROR: Can't save configuration file, aborting");
}
Debug(_log,"Settings database initialized")
}
SettingsManager::~SettingsManager()
{
}
const QJsonDocument SettingsManager::getSetting(const settings::type& type)
{
QString key = settings::typeToString(type);
if(_qconfig[key].isObject())
return QJsonDocument(_qconfig[key].toObject());
else
return QJsonDocument(_qconfig[key].toArray());
}
const bool SettingsManager::saveSettings(QJsonObject config, const bool& correct)
{
// we need to validate data against schema
QJsonSchemaChecker schemaChecker;
schemaChecker.setSchema(schemaJson);
if (!schemaChecker.validate(config).first)
{
if(!correct)
{
Error(_log,"Failed to save configuration, errors during validation");
return false;
}
Warning(_log,"Fixing json data!");
config = schemaChecker.getAutoCorrectedConfig(config);
foreach (auto & schemaError, schemaChecker.getMessages())
Warning(_log, "Config Fix: %s", QSTRING_CSTR(schemaError));
}
// save data to file
if(_hyperion != nullptr)
{
if(!JsonUtils::write(_hyperion->getConfigFilePath(), config, _log))
return false;
}
// compare old data with new data to emit/save changes accordingly
for(const auto key : config.keys())
{
QString newData, oldData;
_qconfig[key].isObject()
? oldData = QString(QJsonDocument(_qconfig[key].toObject()).toJson(QJsonDocument::Compact))
: oldData = QString(QJsonDocument(_qconfig[key].toArray()).toJson(QJsonDocument::Compact));
config[key].isObject()
? newData = QString(QJsonDocument(config[key].toObject()).toJson(QJsonDocument::Compact))
: newData = QString(QJsonDocument(config[key].toArray()).toJson(QJsonDocument::Compact));
if(oldData != newData)
emit settingsChanged(settings::stringToType(key), QJsonDocument::fromJson(newData.toLocal8Bit()));
}
// store the current state
_qconfig = config;
return true;
}