Adding database Table class for automated handling tables

serversdkint.pri

@@ -26,6 +26,7 @@ else:win32:CONFIG(debug, debug|release): LIBS += -L$$SDKDIR/debug/ -lserversdk
 else:unix: LIBS += -L$$SDKDIR/ -lserversdk -lz
 
 QT += network sql
+CONFIG += c++14
 INCLUDEPATH += $$PWD/src/
 DEPENDPATH += $$PWD/src/serversdk
 

src/serversdk/databasetable.cpp

@@ -0,0 +1,61 @@
+#include "databasetable.h"
+
+#include "logger.h"
+
+#include <QMetaProperty>
+
+namespace serversdk {
+
+DatabaseTable::DatabaseTable(QObject *parent) : QObject(parent)
+{
+}
+
+
+/** Creates universal variant structure to hold key / value pairs */
+QVariantMap DatabaseTable::toVariantMap()
+{
+    QVariantMap variantMap;
+
+    const QMetaObject *metaObj = this->metaObject();
+    qDebug() << "properties: ";
+    for (int i = metaObj->propertyOffset(); i < metaObj->propertyCount(); ++i) {
+        QMetaProperty prop = metaObj->property(i);
+        // Skip non USER so -> ( Q_PROPERTY( ...... USER false ) only
+        if (!prop.isUser())
+            continue;
+
+        // Get key -> value pairs
+        QString name = prop.name();
+        QVariant::Type type = prop.type();
+        QVariant value(type);
+        value.setValue(prop.read(this));
+
+        variantMap.insert(name, value);
+    }
+    return variantMap;
+}
+
+QString DatabaseTable::createTableSQL() const
+{
+    QString sql = QString("CREATE TABLE %1").arg(this->metaObject()->className());
+
+    QVariantMap variantMap;
+
+    const QMetaObject *metaObj = this->metaObject();
+    qDebug() << "properties: ";
+    for (int i = metaObj->propertyOffset(); i < metaObj->propertyCount(); ++i) {
+        QMetaProperty prop = metaObj->property(i);
+        // Skip non USER so -> ( Q_PROPERTY( ...... USER false ) only
+        if (!prop.isUser())
+            continue;
+
+        QString name = prop.name();
+
+
+    }
+}
+
+
+
+
+} // namespace serversdk

src/serversdk/databasetable.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#include <QObject>
+#include <QVariantMap>
+
+
+// Default TABLE_PROPERTY
+#define TABLE_PROPERTY(TYPE, NAME, SETNAME, INITVAL) \
+    Q_PROPERTY(TYPE NAME READ NAME WRITE SETNAME NOTIFY NAME ## Changed USER true) \
+    public: \
+       TYPE NAME() const { return a_ ## NAME ; } \
+       Q_SLOT void SETNAME(TYPE value) { \
+          if (a_ ## NAME == value)  return; \
+          a_ ## NAME = value; \
+          emit NAME ## Changed(value); \
+        } \
+       Q_SIGNAL void NAME ## Changed(TYPE value);\
+    protected: \
+       TYPE a_ ## NAME = INITVAL;
+
+namespace serversdk {
+
+class DatabaseTable : public QObject
+{
+    Q_OBJECT
+    TABLE_PROPERTY(int, id, setId, 0);
+    TABLE_PROPERTY(QString, name, setName, QString());
+public:
+    explicit DatabaseTable(QObject *parent = nullptr);
+    QVariantMap toVariantMap();
+    QString createTableSQL() const;
+
+
+signals:
+
+public slots:
+};
+
+} // namespace serversdk
+

src/serversdk/databaseutils.cpp

@@ -0,0 +1,134 @@
+#include "databaseutils.h"
+#include "logger.h"
+
+#include <QMetaProperty>
+
+namespace serversdk {
+
+/**
+ * @brief DatabaseUtils::createTableSQL
+ * @param table
+ * @return
+ *
+ * @code{sql}
+ * "CREATE TABLE colnod_subject ("
+                        "id character(36) primary key NOT NULL,"
+                        "description character varying(255),"
+                        "last_update timestamp NOT NULL,"
+                        "name character varying(255),"
+                        "pin character varying(255),"
+                        "last_modified timestamp,"
+                        "deleted BOOLEAN)"
+ * @endcode
+ *
+ * Default types:
+ *
+ *
+ *
+ */
+DatabaseUtils::DatabaseUtils(const QString type)
+    : mSqlType(type)
+{
+
+}
+
+QString DatabaseUtils::createTableSQL(const DatabaseTable *table, const QString tableName) const
+{
+    QString userData;
+
+    if (tableName.isEmpty())
+        return QString();
+
+    // out: "CREATE TABLE colnod_subject ( "
+    QString sql = QString("CREATE TABLE %1 ( ").arg(tableName);
+
+    const QMetaObject *metaObj = table->metaObject();
+    int total = metaObj->propertyCount();
+    int first = true;
+    for (int i = metaObj->propertyOffset(); i < total; ++i) {
+        QMetaProperty prop = metaObj->property(i);
+        // Skip non USER so -> ( Q_PROPERTY( ...... USER false ) only
+        if (!prop.isUser())
+            continue;
+
+        QString name = prop.name();
+        QVariant::Type type = prop.type();
+        QString textType;
+
+
+        // Getting correct type based on QVariant
+        if (sqlType() == "SQLITE") {
+            textType = this->textSQLIteType(type);
+        } else if (sqlType() == "PSQL") {
+            qCDebug(sdkdb) << "Implemented only for SQLITE";
+            return QString();
+
+        } else {
+            qCDebug(sdkdb) << "Implemented only for SQLITE";
+            return QString();
+        }
+
+        // in: id TEXT
+        // out: "CREATE TABLE colnod_subject ( id TEXT "
+        sql += QString("%1 %2").arg(name,textType);
+
+        // in: PRIMARY KEY
+        // out: "CREATE TABLE colnod_subject ( id TEXT PRIMARY KEY"
+        if (first) { // first row
+            sql += " PRIMARY KEY";
+            first = false;
+        }
+
+        // in: NOT NULL
+        // out: "CREATE TABLE colnod_subject ( id TEXT PRIMARY KEY NOT NULL"
+        if (!userData.isEmpty()) {
+            sql += " " + userData;
+        }
+
+        // out: "CREATE TABLE colnod_subject ( id TEXT PRIMARY KEY NOT NULL,"
+        if (i < (total-1)) { // second last
+            sql += ", ";
+        }
+    }
+
+    // out: ".. subject_id TEXT)"
+    sql+= " )";
+
+    return sql;
+}
+
+QString DatabaseUtils::sqlType() const
+{
+    return mSqlType;
+}
+
+void DatabaseUtils::setSqlType(const QString &sqlType)
+{
+    mSqlType = sqlType;
+}
+
+QString DatabaseUtils::textSQLIteType(QVariant::Type type) const
+{
+    switch (type) {
+    case QVariant::Int:
+        return QStringLiteral("INTEGER");
+        break;
+    case QVariant::Uuid:
+        return QStringLiteral("TEXT");
+        break;
+    case QVariant::String:
+        return QStringLiteral("TEXT");
+        break;
+    case QVariant::DateTime:
+        return QStringLiteral("INTEGER");
+        break;
+    case QVariant::Bool:
+        return QStringLiteral("INTEGER");
+        break;
+    default:
+        return QString();
+        break;
+    }
+}
+
+} // namespace serversdk

src/serversdk/databaseutils.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#include <QObject>
+
+#include "databasetable.h"
+
+namespace serversdk {
+
+class DatabaseUtils : public QObject
+{
+    Q_OBJECT
+public:
+    DatabaseUtils(const QString type = "SQLITE");
+    QString createTableSQL(const DatabaseTable *table, const QString table_name) const;
+
+    QString sqlType() const;
+    void setSqlType(const QString &sqlType);
+
+private:
+    QString textSQLIteType(QVariant::Type type) const;
+private:
+    QString mSqlType;
+};
+
+} // namespace serversdk
+

src/serversdk/serversdk.pro

@@ -8,21 +8,25 @@ CONFIG += c++14
 INCLUDEPATH += $$PWD
 
 SOURCES += \
-    $$PWD/core.cpp \
-    $$PWD/databasemanager.cpp \
-    $$PWD/logger.cpp \
-    $$PWD/loggermessage.cpp \
-    $$PWD/requestmanager.cpp \
-    $$PWD/request.cpp \
-    $$PWD/utils.cpp \
-    $$PWD/soaprequest.cpp
+    core.cpp \
+    databasemanager.cpp \
+    databaseutils.cpp \
+    logger.cpp \
+    loggermessage.cpp \
+    requestmanager.cpp \
+    request.cpp \
+    utils.cpp \
+    soaprequest.cpp \
+    databasetable.cpp
 
 HEADERS += \
-    $$PWD/core.h \
-    $$PWD/databasemanager.h \
-    $$PWD/logger.h \
-    $$PWD/loggermessage.h \
-    $$PWD/requestmanager.h \
-    $$PWD/request.h \
-    $$PWD/utils.h \
-    $$PWD/soaprequest.h
+    core.h \
+    databasemanager.h \
+    databaseutils.h \
+    logger.h \
+    loggermessage.h \
+    requestmanager.h \
+    request.h \
+    utils.h \
+    soaprequest.h \
+    databasetable.h

test/auto/auto.pro

@@ -3,6 +3,8 @@ TEMPLATE = subdirs
 SUBDIRS += \
     tst_soap \
     tst_request \
-    tst_database/tst_database.pro \
-    tst_database/tst_sqlite.pro \
+    database/tst_databasemanager.pro \
+    database/tst_sqlite.pro \
+    database/tst_databasetable.pro \
+    database/tst_databaseutils.pro \
     tst_utils

test/auto/database/tst_databasemanager.cpp

@@ -33,4 +33,4 @@ void DatabaseTest::createDb_test()
 
 QTEST_APPLESS_MAIN(DatabaseTest)
 
-#include "tst_databasetest.moc"
+#include "tst_databasemanager.moc"

test/auto/database/tst_databasemanager.pro

@@ -0,0 +1,11 @@
+QT += testlib
+QT -= gui
+
+CONFIG += qt console warn_on depend_includepath testcase
+CONFIG -= app_bundle
+
+TEMPLATE = app
+
+SOURCES +=  tst_databasemanager.cpp
+
+include(../../test.pri)

test/auto/database/tst_databasetable.cpp

@@ -0,0 +1,54 @@
+#include "serversdk/databasetable.h"
+
+#include <QtTest>
+
+
+class BookTable : public serversdk::DatabaseTable
+{
+    Q_OBJECT
+    TABLE_PROPERTY(QUuid, uuid, setUuid, QUuid());
+    TABLE_PROPERTY(int, id, setId, 0);
+    TABLE_PROPERTY(QString, name, setName, "Test");
+};
+
+
+
+class DatabaseTableTest : public QObject
+{
+    Q_OBJECT
+
+public:
+    DatabaseTableTest();
+    ~DatabaseTableTest();
+
+private slots:
+    void constructor_test();
+    void qvariant_test();
+
+};
+
+DatabaseTableTest::DatabaseTableTest()
+{
+}
+
+DatabaseTableTest::~DatabaseTableTest()
+{
+}
+
+void DatabaseTableTest::constructor_test()
+{
+    auto table = std::make_unique<BookTable>();
+    QCOMPARE(table->id(), 0);
+    QCOMPARE(table->name(), QStringLiteral("Test"));
+}
+
+void DatabaseTableTest::qvariant_test()
+{
+    auto table = std::make_unique<BookTable>();
+    QVariantMap map = table->toVariantMap();
+    QCOMPARE(map.count(), 3);
+}
+
+QTEST_APPLESS_MAIN(DatabaseTableTest)
+
+#include "tst_databasetable.moc"

test/auto/database/tst_databasetable.pro

@@ -6,6 +6,6 @@ CONFIG -= app_bundle
 
 TEMPLATE = app
 
-SOURCES +=  tst_databasetest.cpp
+SOURCES +=  tst_databasetable.cpp
 
 include(../../test.pri)

test/auto/database/tst_databaseutils.cpp

@@ -0,0 +1,68 @@
+#include "serversdk/databaseutils.h"
+#include "serversdk/databasetable.h"
+
+#include <QtTest>
+
+
+class BookTable : public serversdk::DatabaseTable
+{
+    Q_OBJECT
+    Q_CLASSINFO("default_table", "books")
+    TABLE_PROPERTY(QUuid, id, set_id, QUuid());
+    TABLE_PROPERTY(QString, description, set_description, "");
+    TABLE_PROPERTY(QDateTime, last_update, set_last_update, QDateTime::fromSecsSinceEpoch(0));
+    TABLE_PROPERTY(QString, name, set_name, QString());
+    TABLE_PROPERTY(QString, pin, set_pin, QString());
+    TABLE_PROPERTY(QDateTime, last_modified, set_last_modified, QDateTime::fromSecsSinceEpoch(0));
+    TABLE_PROPERTY(bool, deleted, set_deleted, false);
+};
+
+
+
+class DatabaseUtilsTest : public QObject
+{
+    Q_OBJECT
+
+public:
+    DatabaseUtilsTest();
+    ~DatabaseUtilsTest();
+    QString uuid() const;
+    void setUuid(QString value);
+
+private slots:
+    void createTable_test();
+
+};
+
+DatabaseUtilsTest::DatabaseUtilsTest()
+{
+}
+
+DatabaseUtilsTest::~DatabaseUtilsTest()
+{
+}
+
+void DatabaseUtilsTest::createTable_test()
+{
+    auto table = std::make_unique<BookTable>();
+
+    serversdk::DatabaseUtils utils;
+    QString sql = utils.createTableSQL(table.get(), "subjects");
+
+    QString expected = "CREATE TABLE subjects ( "
+                       "id TEXT PRIMARY KEY, "
+                       "description TEXT, "
+                       "last_update INTEGER, "
+                       "name TEXT, "
+                       "pin TEXT, "
+                       "last_modified INTEGER, "
+                       "deleted INTEGER )";
+
+    QCOMPARE(sql, expected);
+}
+
+
+
+QTEST_APPLESS_MAIN(DatabaseUtilsTest)
+
+#include "tst_databaseutils.moc"

test/auto/database/tst_databaseutils.pro

@@ -0,0 +1,11 @@
+QT += testlib
+QT -= gui
+
+CONFIG += qt console warn_on depend_includepath testcase
+CONFIG -= app_bundle
+
+TEMPLATE = app
+
+SOURCES +=  tst_databaseutils.cpp
+
+include(../../test.pri)