add function for UPDATE, needs to be edited

src/serversdk/databaseutils.cpp

@@ -141,6 +141,38 @@ QSqlQuery DatabaseUtils::insertIntoTable(const DatabaseTable *table, const QStri
     return res;
 }
 
+QSqlQuery DatabaseUtils::updateTable(const DatabaseTable *table, const QString table_name) const
+{
+    QString columnsAndValues;
+
+    // tepmporary, for edit ( add one more parameter to func sth like QList with conditions
+    QString conditions;
+    conditions = "id = :id";
+
+    QVariantMap valueMap = table->toVariantMap();
+
+
+    auto keys = valueMap.keys();
+    for (auto key : keys) {
+        if (!columnsAndValues.isEmpty()) {
+            columnsAndValues += ", ";
+        }
+        columnsAndValues += key + "= :" + key;
+    }
+
+    QSqlQuery query(mDatabaseManager->database());
+    QString queryText = QString("UPDATE %1 SET %2 WHERE %3 );").arg(table_name).arg(columnsAndValues).arg(conditions);
+    query.prepare(queryText);
+
+    for (auto key : keys ) {
+        auto value = valueMap.value(key);
+        query.bindValue(":"+key, value);
+    }
+
+    QSqlQuery res = mDatabaseManager->executeQuery(query);
+    return res;
+}
+
 
 QList<QMap<QString, QVariant>> DatabaseUtils::listMapFromQuery(QSqlQuery query) const
 {

src/serversdk/databaseutils.h

@@ -22,6 +22,9 @@ public:
     QSqlQuery createTable(const DatabaseTable *table, const QString table_name) const;
 
     QSqlQuery insertIntoTable(const DatabaseTable *table, const QString table_name) const;
+
+    QSqlQuery updateTable(const DatabaseTable *table, const QString table_name) const;
+
     QList<QMap<QString, QVariant>> listMapFromQuery(QSqlQuery query) const;
 
     QString sqlType() const;