mirror of
https://gitea.msk.dinamika-avia.ru/Constanta-Design/RRJServer.git
synced 2026-03-28 19:55:48 +03:00
PSQL 30.10.2024
This commit is contained in:
krivoshein
346
DBXML/InstructorsAndTrainees/instructors/databaseinstructors.cpp
Normal file
346
DBXML/InstructorsAndTrainees/instructors/databaseinstructors.cpp
Normal file
@@ -0,0 +1,346 @@
|
||||
#include <QDomDocument>
|
||||
#include <QFile>
|
||||
#include <QDebug>
|
||||
#include <QMessageBox>
|
||||
#include "databaseinstructors.h"
|
||||
|
||||
DataBaseInstructors::DataBaseInstructors(QString appPath, DataBaseLMS* dbLMS)
|
||||
{
|
||||
appDirPath = appPath;
|
||||
this->dbLMS = dbLMS;
|
||||
|
||||
if(this->dbLMS != nullptr)
|
||||
LoadInstructorsPSQL();
|
||||
else
|
||||
LoadInstructorsXML();
|
||||
}
|
||||
|
||||
DataBaseInstructors::~DataBaseInstructors()
|
||||
{
|
||||
if(dbLMS == nullptr)
|
||||
SaveInstructorsXML();
|
||||
}
|
||||
|
||||
void DataBaseInstructors::LoadInstructorsXML()
|
||||
{
|
||||
QDomDocument instructorsDOM;
|
||||
QString xmlFileName = appDirPath + QStringLiteral("/DBXML/instructors.xml");
|
||||
QFile xmlInFile(xmlFileName);
|
||||
if (!xmlInFile.open(QFile::ReadOnly | QFile::Text))
|
||||
{
|
||||
QMessageBox::critical(nullptr, tr("Attention!"), tr("The file could not be opened ") + xmlFileName);
|
||||
qDebug() << QStringLiteral("LoadInstructorsXML: Не удалось открыть файл ") + xmlFileName;
|
||||
return;
|
||||
}
|
||||
else
|
||||
{
|
||||
listOfInstructors.clear();
|
||||
|
||||
instructorsDOM.setContent(xmlInFile.readAll());
|
||||
xmlInFile.close();
|
||||
|
||||
QDomNode allInstructorsNode = instructorsDOM.namedItem(QStringLiteral("allInstructors"));
|
||||
|
||||
for(int i = 0; i < allInstructorsNode.childNodes().count(); i++)
|
||||
{
|
||||
QDomNode instructorNode = allInstructorsNode.childNodes().at(i);
|
||||
if(instructorNode.nodeName().toLower() == QStringLiteral("instructor"))
|
||||
{//Инструктор
|
||||
Instructor instructor;
|
||||
instructor.setName(instructorNode.toElement().attribute(QStringLiteral("name")));
|
||||
instructor.setLogin(instructorNode.toElement().attribute(QStringLiteral("login")));
|
||||
instructor.setPassword(instructorNode.toElement().attribute(QStringLiteral("password")));
|
||||
instructor.setIsAdmin(instructorNode.toElement().attribute(QStringLiteral("isAdmin")) == QStringLiteral("да") ? true : false);
|
||||
instructor.setArchived(instructorNode.toElement().attribute(QStringLiteral("archived")) == QStringLiteral("да") ? true : false);
|
||||
instructor.setLoggedIn(false);
|
||||
|
||||
listOfInstructors.append(instructor);
|
||||
}
|
||||
}//for(int i = 0; i < allInstructorsNode.childNodes().count(); i++)
|
||||
}//else
|
||||
}
|
||||
|
||||
void DataBaseInstructors::SaveInstructorsXML()
|
||||
{
|
||||
QDomDocument instructorsDOM;
|
||||
QFile blankFile(QStringLiteral(":/blankXML/instructors.xml"));
|
||||
|
||||
if (! blankFile.open(QFile::ReadOnly | QFile::Text))
|
||||
{
|
||||
QMessageBox::critical(nullptr, tr("Attention!"), tr("The file could not be read :/blankXML/instructors.xml"));
|
||||
qDebug() << "SaveInstructorsXML: Не удалось считать файл :/blankXML/instructors.xml";
|
||||
return;
|
||||
}
|
||||
|
||||
instructorsDOM.setContent(blankFile.readAll());
|
||||
blankFile.close();
|
||||
|
||||
QDomNode allInstructorsNode = instructorsDOM.namedItem(QStringLiteral("allInstructors"));
|
||||
|
||||
//Инструкторы
|
||||
for(Instructor instructor : listOfInstructors)
|
||||
{
|
||||
QDomNode instructorNode = instructorsDOM.createElement(QStringLiteral("instructor"));
|
||||
allInstructorsNode.appendChild(instructorNode);
|
||||
instructorNode.toElement().setAttribute(QStringLiteral("name"), instructor.getName());
|
||||
instructorNode.toElement().setAttribute(QStringLiteral("login"), instructor.getLogin());
|
||||
instructorNode.toElement().setAttribute(QStringLiteral("password"), instructor.getPassword());
|
||||
instructorNode.toElement().setAttribute(QStringLiteral("isAdmin"), instructor.getIsAdmin() ? QStringLiteral("да") : QStringLiteral("нет"));
|
||||
instructorNode.toElement().setAttribute(QStringLiteral("archived"), instructor.getArchived() ? QStringLiteral("да") : QStringLiteral("нет"));
|
||||
}
|
||||
|
||||
QString xmlFileName = appDirPath + QStringLiteral("/DBXML/instructors.xml");
|
||||
QFile xmlOutFile(xmlFileName);
|
||||
if (!xmlOutFile.open(QFile::WriteOnly | QFile::Text))
|
||||
{
|
||||
QMessageBox::critical(nullptr, tr("Attention!"), tr("Failed to write the file ") + xmlFileName);
|
||||
qDebug() << QStringLiteral("SaveInstructorsXML: Не удалось записать файл ") + xmlFileName;
|
||||
return;
|
||||
}
|
||||
QTextStream outFile(&xmlOutFile);
|
||||
instructorsDOM.save(outFile, 4);
|
||||
xmlOutFile.close();
|
||||
}
|
||||
|
||||
void DataBaseInstructors::LoadInstructorsPSQL()
|
||||
{
|
||||
listOfInstructors.clear();
|
||||
listOfInstructors = dbLMS->selectAllInstructors();
|
||||
}
|
||||
|
||||
bool DataBaseInstructors::AuthorizationInstructor(QString login, QString password)
|
||||
{
|
||||
//Инструкторы
|
||||
for(int i = 0; i < listOfInstructors.count(); i++)
|
||||
{
|
||||
if(listOfInstructors[i].getArchived())
|
||||
continue;
|
||||
|
||||
if(listOfInstructors[i].getLogin() == login && listOfInstructors[i].getPassword() == password)
|
||||
{
|
||||
listOfInstructors[i].setLoggedIn(true);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool DataBaseInstructors::deAuthorizationInstructor(QString login)
|
||||
{
|
||||
//Инструкторы
|
||||
for(int i = 0; i < listOfInstructors.count(); i++)
|
||||
{
|
||||
//if(listOfInstructors[i].getArchived())
|
||||
//continue;
|
||||
|
||||
if(listOfInstructors[i].getLogin() == login)
|
||||
{
|
||||
listOfInstructors[i].setLoggedIn(false);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
Instructor DataBaseInstructors::getInstructor(QString name)
|
||||
{
|
||||
//Инструкторы
|
||||
for(int i = 0; i < listOfInstructors.count(); i++)
|
||||
{
|
||||
if(listOfInstructors[i].getName() == name)
|
||||
return listOfInstructors[i];
|
||||
}
|
||||
return Instructor();
|
||||
}
|
||||
|
||||
QString DataBaseInstructors::getNameInstructorByLogin(QString login)
|
||||
{
|
||||
for(Instructor instructor : listOfInstructors)
|
||||
{
|
||||
if(instructor.getLogin() == login)
|
||||
return instructor.getName();
|
||||
}
|
||||
return QString(QStringLiteral(""));
|
||||
}
|
||||
|
||||
QString DataBaseInstructors::getAuthorizedInstructorName()
|
||||
{
|
||||
//Инструкторы
|
||||
for(int i = 0; i < listOfInstructors.count(); i++)
|
||||
{
|
||||
if(listOfInstructors[i].getLoggedIn())
|
||||
return listOfInstructors[i].getName();
|
||||
}
|
||||
return QStringLiteral("");
|
||||
}
|
||||
|
||||
QString DataBaseInstructors::newInstructor()
|
||||
{
|
||||
Instructor instructor;
|
||||
instructor.setName(generateDefaultNameInstructor());
|
||||
instructor.setLogin(generateDefaultLoginInstructor());
|
||||
instructor.setPassword(QStringLiteral("<password>"));
|
||||
instructor.setIsAdmin(false);
|
||||
instructor.setArchived(false);
|
||||
instructor.setLoggedIn(false);
|
||||
|
||||
bool result = dbLMS->insertInstructor(instructor);
|
||||
|
||||
if(result)
|
||||
{
|
||||
listOfInstructors.append(instructor);
|
||||
return instructor.getName();
|
||||
}
|
||||
else
|
||||
return QStringLiteral("");
|
||||
}
|
||||
|
||||
void DataBaseInstructors::deleteInstructor(QString name)
|
||||
{
|
||||
//Инструкторы
|
||||
for(int i = 0; i < listOfInstructors.count(); i++)
|
||||
{
|
||||
if(listOfInstructors[i].getName() == name)
|
||||
{
|
||||
int id = listOfInstructors[i].getID();
|
||||
|
||||
bool result = dbLMS->deleteInstructor(id);
|
||||
|
||||
if(result)
|
||||
listOfInstructors.removeAt(i);
|
||||
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void DataBaseInstructors::toArchiveInstructor(QString name)
|
||||
{
|
||||
//Инструкторы
|
||||
for(int i = 0; i < listOfInstructors.count(); i++)
|
||||
{
|
||||
if(listOfInstructors[i].getName() == name)
|
||||
if(! listOfInstructors[i].getArchived())
|
||||
{
|
||||
Instructor instructor = listOfInstructors[i];
|
||||
instructor.setArchived(true);
|
||||
|
||||
bool result = dbLMS->updateInstructor(instructor);
|
||||
|
||||
if(result)
|
||||
listOfInstructors[i].setArchived(true);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void DataBaseInstructors::fromeArchiveInstructor(QString name)
|
||||
{
|
||||
//Инструкторы
|
||||
for(int i = 0; i < listOfInstructors.count(); i++)
|
||||
{
|
||||
if(listOfInstructors[i].getName() == name)
|
||||
if(listOfInstructors[i].getArchived())
|
||||
{
|
||||
Instructor instructor = listOfInstructors[i];
|
||||
instructor.setArchived(false);
|
||||
|
||||
bool result = dbLMS->updateInstructor(instructor);
|
||||
|
||||
if(result)
|
||||
listOfInstructors[i].setArchived(false);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bool DataBaseInstructors::editInstructor(QString name, Instructor instructor)
|
||||
{
|
||||
//Инструкторы
|
||||
for(int i = 0; i < listOfInstructors.count(); i++)
|
||||
{
|
||||
if(listOfInstructors[i].getName() == name)
|
||||
{
|
||||
if( (!checkExistNameInstructor(instructor.getName()) || instructor.getName() == name) &&
|
||||
(!checkExistLoginInstructor(instructor.getLogin()) || instructor.getLogin() == listOfInstructors[i].getLogin()) )
|
||||
{
|
||||
instructor.setID(listOfInstructors[i].getID());
|
||||
|
||||
bool result = dbLMS->updateInstructor(instructor);
|
||||
|
||||
if(result)
|
||||
{
|
||||
listOfInstructors.replace(i, instructor);
|
||||
return true;
|
||||
}
|
||||
else
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool DataBaseInstructors::isAdmin(QString name)
|
||||
{
|
||||
//Инструкторы
|
||||
for(int i = 0; i < listOfInstructors.count(); i++)
|
||||
{
|
||||
if(listOfInstructors[i].getName() == name)
|
||||
return listOfInstructors[i].getIsAdmin();
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool DataBaseInstructors::isArchived(QString name)
|
||||
{
|
||||
//Инструкторы
|
||||
for(int i = 0; i < listOfInstructors.count(); i++)
|
||||
{
|
||||
if(listOfInstructors[i].getName() == name)
|
||||
return listOfInstructors[i].getArchived();
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
QString DataBaseInstructors::generateDefaultNameInstructor()
|
||||
{
|
||||
int numInstructor = 0;
|
||||
QString name;
|
||||
do
|
||||
{
|
||||
name = QStringLiteral("<") + tr("Instructor") + QStringLiteral(" ") + QString::number(++numInstructor) + QStringLiteral(">");
|
||||
}while(checkExistNameInstructor(name));
|
||||
return name;
|
||||
}
|
||||
|
||||
bool DataBaseInstructors::checkExistNameInstructor(QString name)
|
||||
{
|
||||
//Инструкторы
|
||||
for(int i = 0; i < listOfInstructors.count(); i++)
|
||||
{
|
||||
if(listOfInstructors[i].getName() == name)
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
QString DataBaseInstructors::generateDefaultLoginInstructor()
|
||||
{
|
||||
int numInstructor = 0;
|
||||
QString login;
|
||||
do
|
||||
{
|
||||
login = QStringLiteral("<I") + QString::number(++numInstructor) + QStringLiteral(">");
|
||||
}while(checkExistLoginInstructor(login));
|
||||
return login;
|
||||
}
|
||||
|
||||
bool DataBaseInstructors::checkExistLoginInstructor(QString login)
|
||||
{
|
||||
//Инструкторы
|
||||
for(int i = 0; i < listOfInstructors.count(); i++)
|
||||
{
|
||||
if(listOfInstructors[i].getLogin() == login)
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
Reference in New Issue
Block a user