minor refactoring, firebase test integration

src/DatabaseHandler/databasehandler.cpp

@@ -0,0 +1,31 @@
+#include "databasehandler.h"
+#include <QEventLoop>
+#include <QDebug>
+#include <QNetworkRequest>
+
+DatabaseHandler::DatabaseHandler(QObject *parent)
+    : QObject{parent}
+{
+    networkManager = new QNetworkAccessManager(this);
+}
+
+DatabaseHandler::~DatabaseHandler()
+{
+    networkManager->deleteLater();
+}
+
+void DatabaseHandler::replyNetworkReadyRead()
+{
+    qDebug() << QString(networkReply->readAll());
+}
+
+QByteArray DatabaseHandler::getReply(const QString &url)
+{
+    QNetworkReply *reply = networkManager->get(QNetworkRequest(QUrl(url)));
+    QEventLoop loop;
+    connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
+    loop.exec();
+    QByteArray data = reply->readAll();
+    reply->deleteLater();
+    return data;
+}

src/DatabaseHandler/databasehandler.h

@@ -0,0 +1,26 @@
+#ifndef DATABASEHANDLER_H
+#define DATABASEHANDLER_H
+
+#include <QObject>
+#include <QNetworkAccessManager>
+#include <QNetworkReply>
+
+class DatabaseHandler : public QObject
+{
+    Q_OBJECT
+public:
+    explicit DatabaseHandler(QObject *parent = nullptr);
+    ~DatabaseHandler();
+
+signals:
+
+private:
+    QNetworkAccessManager *networkManager;
+    QNetworkReply *networkReply;
+
+public slots:
+    void replyNetworkReadyRead();
+    QByteArray getReply(const QString &url);
+};
+
+#endif // DATABASEHANDLER_H

src/Gradify.pro

@@ -1,24 +1,27 @@
-QT       += core gui sql printsupport charts
+QT       += core gui printsupport charts network sql
 
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 
 CONFIG += c++17 app_bundle
 
+QMAKE_CXXFLAGS += -pedantic -Wextra -Wall
+
 # You can make your code fail to compile if it uses deprecated APIs.
 # In order to do so, uncomment the following line.
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
 SOURCES += \
-    aboutapp.cpp \
-    appsetting.cpp \
-    authorizationform.cpp \
+    DatabaseHandler/databasehandler.cpp \
+    aboutappwindow.cpp \
+    appsettingswindow.cpp \
     customWidgets/qlineeditwithbutton.cpp \
     customWidgets/qsearchbar.cpp \
-    filterform.cpp \
+    filterwindow.cpp \
+    loginwindow.cpp \
     main.cpp \
     mainwindow.cpp \
     preloader.cpp \
-    queryform.cpp \
+    querywindow.cpp \
     recordsForms/gradewindow.cpp \
     recordsForms/groupwindow.cpp \
     recordsForms/studentwindow.cpp \
@@ -31,15 +34,16 @@ SOURCES += \
     statisticsForms/teacherstatistics.cpp
 
 HEADERS += \
-    aboutapp.h \
-    appsetting.h \
-    authorizationform.h \
+    DatabaseHandler/databasehandler.h \
+    aboutappwindow.h \
+    appsettingswindow.h \
     customWidgets/qlineeditwithbutton.h \
     customWidgets/qsearchbar.h \
-    filterform.h \
+    filterwindow.h \
+    loginwindow.h \
     mainwindow.h \
     preloader.h \
-    queryform.h \
+    querywindow.h \
     recordsForms/gradewindow.h \
     recordsForms/groupwindow.h \
     recordsForms/studentwindow.h \
@@ -52,13 +56,13 @@ HEADERS += \
     statisticsForms/teacherstatistics.h
 
 FORMS += \
-    aboutapp.ui \
-    appsetting.ui \
-    authorizationform.ui \
-    filterform.ui \
+    aboutappwindow.ui \
+    appsettingswindow.ui \
+    filterwindow.ui \
+    loginwindow.ui \
     mainwindow.ui \
     preloader.ui \
-    queryform.ui \
+    querywindow.ui \
     recordsForms/gradewindow.ui \
     recordsForms/groupwindow.ui \
     recordsForms/studentwindow.ui \

src/aboutappwindow.cpp

@@ -0,0 +1,72 @@
+#include "aboutappwindow.h"
+#include "ui_aboutappwindow.h"
+
+#include <QFile>
+#include <QPalette>
+
+AboutAppWindow::AboutAppWindow(QWidget *parent)
+    : QWidget(parent)
+    , ui(new Ui::aboutApp)
+{
+    ui->setupUi(this);
+    setWindowTitle("Про Gradify");
+    setFixedSize(width(), height());
+    setWindowFlags(Qt::WindowStaysOnTopHint | Qt::Dialog | Qt::MSWindowsFixedSizeDialogHint);
+}
+
+AboutAppWindow::~AboutAppWindow()
+{
+    delete ui;
+}
+
+void AboutAppWindow::changeEvent(QEvent *event)
+{
+    QWidget::changeEvent(event);
+    if (event->type() == QEvent::ActivationChange) {
+        if (not isActiveWindow()) {
+            close();
+        }
+    }
+}
+
+void AboutAppWindow::setBlackUI()
+{
+    QFile file(":/styles/black/aboutApp/aboutApp.qss");
+    file.open(QFile::ReadOnly);
+    setStyleSheet(QLatin1String(file.readAll()));
+    file.close();
+}
+
+void AboutAppWindow::setWhiteUI()
+{
+    QFile file(":/styles/white/aboutApp/aboutApp.qss");
+    file.open(QFile::ReadOnly);
+    setStyleSheet(QLatin1String(file.readAll()));
+    file.close();
+}
+
+void AboutAppWindow::setSystemUI()
+{
+    QPalette basePalette;
+    QColor baseColor = basePalette.base().color();
+    QColor newBase = QColor::fromRgbF(1 - baseColor.redF(),
+                                      1 - baseColor.greenF(),
+                                      1 - baseColor.blueF());
+
+    if (newBase.name() == "#000000") {
+        setWhiteUI();
+    } else {
+        setBlackUI();
+    }
+}
+
+void AboutAppWindow::setTheme(const QString &style)
+{
+    if (style == "black") {
+        setBlackUI();
+    } else if (style == "white") {
+        setWhiteUI();
+    } else {
+        setSystemUI();
+    }
+}

src/aboutapp.h → src/aboutappwindow.h

@@ -1,19 +1,19 @@
-#ifndef ABOUTAPP_H
-#define ABOUTAPP_H
+#ifndef ABOUTAPPWINDOW_H
+#define ABOUTAPPWINDOW_H
 
 #include <QWidget>
 
 namespace Ui {
 class aboutApp;
 }
 
-class aboutApp : public QWidget
+class AboutAppWindow : public QWidget
 {
     Q_OBJECT
 
 public:
-    explicit aboutApp(QWidget *parent = nullptr);
-    ~aboutApp();
+    explicit AboutAppWindow(QWidget *parent = nullptr);
+    ~AboutAppWindow();
     void changeEvent(QEvent *event) override;
 
 private slots:
@@ -26,7 +26,6 @@ private slots:
 
 public slots:
     void setTheme(const QString &style);
-
 };
 
-#endif // ABOUTAPP_H
+#endif // ABOUTAPPWINDOW_H

src/aboutapp.ui → src/aboutappwindow.ui

@@ -26,7 +26,7 @@
     <string/>
    </property>
    <property name="pixmap">
-    <pixmap>:/img/iconSets/icon_256x256.png</pixmap>
+    <pixmap resource="recources.qrc">:/img/iconSets/icon_256x256.png</pixmap>
    </property>
    <property name="scaledContents">
     <bool>true</bool>
@@ -61,7 +61,7 @@
     </rect>
    </property>
    <property name="text">
-    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Простота та зручність&lt;br/&gt;використання баз даних&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Простота та зручність&lt;br/&gt;в навчанні&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
    </property>
    <property name="alignment">
     <set>Qt::AlignCenter</set>
@@ -100,6 +100,8 @@
    </property>
   </widget>
  </widget>
- <resources/>
+ <resources>
+  <include location="recources.qrc"/>
+ </resources>
  <connections/>
 </ui>