datafolderhistory.cpp

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#include "datafolderhistory.h"

#include <QDomElement>
#include <QDebug>
#include "datahash.h"
#include "project.h"

bool DataFolderHistory::loadDataNode(const QDomNode data)
{
    QDomNode node = data.firstChild();
    while(!node.isNull())
    {
        if(node.nodeName() == "description")
        {
            m_description = node.firstChild().nodeValue().simplified();
        }
        else if(node.nodeName() == "ownerEmail")
        {
            m_ownerEmail = node.firstChild().nodeValue().simplified();
        }
        else if(node.nodeName() == "ownerName")
        {
            m_ownerName = node.firstChild().nodeValue().simplified();
        }
        else if(node.nodeName() == "title")
        {
            m_title = node.firstChild().nodeValue().simplified();
        }
        else if(node.nodeName() == "dateCreation")
        {
            m_dateCreation = QDateTime::fromString(node.firstChild().nodeValue().simplified(), "dd.MM.yyyy hh:mm:ss");
            if(!m_dateCreation.isValid())
                m_dateCreation = QDateTime::currentDateTime();
        }
        else if(node.nodeName() == "dateLastModification")
        {
            m_dateLastModification = QDateTime::fromString(node.firstChild().nodeValue().simplified(), "dd.MM.yyyy hh:mm:ss");
            if(!m_dateLastModification.isValid())
                m_dateLastModification = QDateTime::currentDateTime();
        }
        else if(node.nodeName() != "#comment")
        {
            qDebug() << "Unknown element in section tag:" << node.nodeName();
        }
        node = node.nextSibling();
    }
    return true;
}

QDomElement DataFolderHistory::createTextElement(QDomDocument *xml, QString tagName, QString content)
{
    QDomElement element = xml->createElement(tagName);
    element.appendChild(xml->createTextNode(content));
    return element;
}

QDomElement DataFolderHistory::saveDataNode(QDomDocument* xml)
{
    QDomElement entry = xml->createElement("historyEntry");

    entry.appendChild(createTextElement(xml, "dateCreation", m_dateCreation.toString("dd.MM.yyyy hh:mm:ss")));
    entry.appendChild(createTextElement(xml, "dateLastModification", m_dateLastModification.toString("dd.MM.yyyy hh:mm:ss")));
    entry.appendChild(createTextElement(xml, "description", m_description));
    entry.appendChild(createTextElement(xml, "ownerEmail", m_ownerEmail));
    entry.appendChild(createTextElement(xml, "ownerName", m_ownerName));
    entry.appendChild(createTextElement(xml, "title", m_title));

    return entry;
}

void DataFolderHistory::hash(unsigned int &startValue)
{
    // Note: After we release, it is important to keep the order of these. If we really need to add something, the file version
    //       should be used to determine how to hash.
    DataHash::hash(m_dateCreation.toString("dd.MM.yyyy hh:mm:ss"), startValue);
    DataHash::hash(m_dateLastModification.toString("dd.MM.yyyy hh:mm:ss"), startValue);
    DataHash::hash(m_description, startValue);
    DataHash::hash(m_ownerEmail, startValue);
    DataHash::hash(m_ownerName, startValue);
    DataHash::hash(m_title, startValue);
}

void DataFolderHistory::updateProjectData()
{
    Project::setDateCreation(m_dateCreation);
    Project::setDateModified(m_dateLastModification);
    Project::setDescription(m_description);
    Project::setOwnerEmail(m_ownerEmail);
    Project::setOwnerName(m_ownerName);
    Project::setName(m_title);
}

bool DataFolderHistory::differsFromProject()
{
    return (m_description != Project::description() || m_ownerEmail != Project::ownerEmail() || m_ownerName != Project::ownerName() || m_title != Project::name());
}

DataFolderHistory *DataFolderHistory::fromProject()
{
    DataFolderHistory *history = new DataFolderHistory();

    history->m_dateCreation = Project::dateCreation();
    history->m_dateLastModification = Project::dateModified();
    history->m_description = Project::description();
    history->m_ownerEmail = Project::ownerEmail();
    history->m_ownerName = Project::ownerName();
    history->m_title = Project::name();

    return history;
}

DataFolderHistory::DataFolderHistory()
{
}

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