#include "dataSyncManager.h"
#include "sqlQueryExecutor.h"

DataSyncManager& DataSyncManager::instance()
{
    //采用静态局部变量的方式，静态局部变量的初始化是在第一次访问时，以后的调用不会多次初始化，并且生命周期和程序一致
    static DataSyncManager instance;
    return instance;
}

DataSyncManager::DataSyncManager()
{
}
DataSyncManager::~DataSyncManager()
{}


void DataSyncManager::registerPublicGroup(const QString& connection)
{
    m_publicGroups.clear();
    const QVector<AttributeGroup> groups = SqlQueryExecutor::instance().getAttributeGroup(connection);
    for(const AttributeGroup& group : groups)
    {
        if(group.isPublic)
            m_publicGroups.insert(group.id, group);
    }
}

AttributeGroup DataSyncManager::getGroup(int groupID)
{
    AttributeGroup group ;
    if(m_publicGroups.contains(groupID))
        group = m_publicGroups.value(groupID);
    return group;
}

void DataSyncManager::syncGroupVersion(int groupID, int version)
{
    if(m_publicGroups.contains(groupID))
        m_publicGroups[groupID].version = version;
}

int DataSyncManager::getGropuVersion(int groupID)
{
    int version = 0;
    if(m_publicGroups.contains(groupID))
        version = m_publicGroups.value(groupID).version;
    return version;
}