cxDataLocations.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, 
   this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, 
   this list of conditions and the following disclaimer in the documentation 
   and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors 
   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=========================================================================*/
#include "cxDataLocations.h"

#include <iostream>
#include <QApplication>
#include <QDir>
#include "cxConfig.h"
#include "cxSettings.h"
#include "cxFileHelpers.h"
#include "cxTypeConversions.h"
#include "cxReporter.h"
#include "cxProfile.h"

namespace cx
{

//---------------------------------------------------------
bool DataLocations::mTestMode = false;
bool DataLocations::mRunFromBuildFolder = false;
bool DataLocations::mBuildFolderChecked = false;
//---------------------------------------------------------

void DataLocations::setTestMode()
{
        mTestMode = true;
        cx::removeNonemptyDirRecursively(getTestDataPath() + "/temp");
}

QString DataLocations::getTestDataPath()
{
        QString settingsPath = cx::DataLocations::getRootConfigPath() + "/settings";
        QString dataRootConfigFile = settingsPath + "/data_root_location.txt";
        if (QFileInfo(dataRootConfigFile).exists())
        {
                return readTestDataPathFromFile(dataRootConfigFile);
        }
        else
        {
                return CX_DATA_ROOT;
        }
}

QString DataLocations::getLargeTestDataPath()
{
        QString settingsPath = cx::DataLocations::getRootConfigPath() + "/settings";
        QString dataRootConfigFile = settingsPath + "/large_data_root_location.txt";
        if (QFileInfo(dataRootConfigFile).exists())
        {
                return readTestDataPathFromFile(dataRootConfigFile);
        }
        else
        {
                return CX_LARGE_DATA_ROOT;
        }
}

QString DataLocations::getExistingTestData(QString pathRelativeToTestDataRoot, QString filename)
{
        QString path;

        path = QString("%1/%2/%3").arg(getTestDataPath()).arg(pathRelativeToTestDataRoot).arg(filename);
        if (QFileInfo(path).exists())
                return path;

        path = QString("%1/%2/%3").arg(getLargeTestDataPath()).arg(pathRelativeToTestDataRoot).arg(filename);
        if (QFileInfo(path).exists())
                return path;

        return "";
}

QString DataLocations::readTestDataPathFromFile(QString filename)
{
        QFile file(filename);
        file.open(QFile::ReadOnly);
        QString cxDataRoot(file.readAll());
        return cxDataRoot;
}

QString DataLocations::getPersistentWritablePath()
{
        QString homepath = QDir::homePath() + "/cx_settings";

        if (mTestMode)
                homepath = getTestDataPath() + "/temp";

        return homepath;
}


QString DataLocations::getBundlePath()
{
#ifdef __APPLE__
        QString path(qApp->applicationDirPath()+"/../../..");
        QString bundle = QDir(qApp->applicationDirPath()+"/../..").canonicalPath();
        if (QFileInfo(bundle).isBundle())
                return path;
        else
                return qApp->applicationDirPath();
#else
        QString path(qApp->applicationDirPath());
        return path;
#endif
}

QStringList DataLocations::getDefaultPluginsPath()
{
        QStringList retval;

        if(!isRunFromBuildFolder())
        {
                QString appPath(qApp->applicationDirPath());

                QString installLocation = appPath;
#ifndef CX_WINDOWS
                installLocation = appPath + "/plugins";
#endif
                if (QFile(installLocation).exists())
                        retval << installLocation;

                QString fallbackInstallLocation = appPath;
                if (QFile(fallbackInstallLocation).exists())
                        retval << fallbackInstallLocation;      }
        else
        {
                QString bundlePath = DataLocations::getBundlePath();

                QString buildLocation = bundlePath;
#ifndef CX_WINDOWS
                buildLocation = bundlePath + "/plugins";
#endif
                if (QFile(buildLocation).exists())
                        retval <<  buildLocation;
        }

        return retval;
}

QString DataLocations::getRootConfigPath()
{
        QStringList paths = getRootConfigPaths();
        if (paths.empty())
                return "";
        return paths.front();
}

QStringList DataLocations::getRootConfigPaths()
{
        if(!isRunFromBuildFolder())
        {
                QString path = getBundlePath() + "/" + CX_CONFIG_ROOT_RELATIVE_INSTALLED; // look for installed location
                if (QDir(path).exists())
                        return QStringList() << QDir(path).canonicalPath();
                else
                {
                        std::cout << "DataLocations::getRootConfigPaths(): Cannot find config root path: " << path << std::endl;
                        return QStringList();
                }
        }

        QStringList retval;
        if (QDir(CX_CONFIG_ROOT).exists()) // look for folder in source code
                retval << QDir(CX_CONFIG_ROOT).canonicalPath();
        if (QDir(CX_OPTIONAL_CONFIG_ROOT).exists()) // look for folder in source code
                retval << QDir(CX_OPTIONAL_CONFIG_ROOT).canonicalPath();

        return retval;
}

QString DataLocations::getDocPath()
{
        if(!isRunFromBuildFolder())
        {
                QString path = getBundlePath() + "/" + CX_DOC_ROOT_RELATIVE_INSTALLED; // look for installed location
                if (QDir(path).exists())
                        return QDir(path).canonicalPath();
                else
                {
                        CX_LOG_ERROR() << QString("Cannot find doc path: ") << path;
                        return "";
                }
        }

        if (QDir(CX_DOC_ROOT).exists()) // look for folder in source code
                return QDir(CX_DOC_ROOT).canonicalPath();
        else
        {
                CX_LOG_ERROR() << QString("Cannot find doc path: ") << CX_DOC_ROOT;
                return "";
        }
}

QStringList DataLocations::appendStringToAllElements(QStringList root, QString suffix)
{
        QStringList retval;
        for (int i=0; i<root.size(); ++i)
                retval << root[i] + suffix;
        return retval;
}

namespace
{
QString changeExtension(QString name, QString ext)
{
        QStringList splitName = name.split(".");
        splitName[splitName.size()-1] = ext;
        return splitName.join(".");
}
} //namespace

QString DataLocations::getCachePath()
{
        QString path(getPersistentWritablePath()+"/cache/");
        return path;
}

QString DataLocations::findConfigFolder(QString pathRelativeToConfigRoot, QString alternativeAbsolutePath)
{
        return findConfigPath("", pathRelativeToConfigRoot, alternativeAbsolutePath);
}

QString DataLocations::findConfigPath(QString fileName, QString pathRelativeToConfigRoot, QString alternativeAbsolutePath)
{
        QFileInfo filePath(findConfigFilePath(fileName, pathRelativeToConfigRoot, alternativeAbsolutePath));
        return filePath.absolutePath() + "/";
}

QString DataLocations::findConfigFilePath(QString fileName, QString pathRelativeToConfigRoot, QString alternativeAbsolutePath)
{
        QStringList paths;
        foreach (QString root, getRootConfigPaths())
        {
                QString path = root + "/" + pathRelativeToConfigRoot + "/" + fileName;
                paths << path;
                if (QFileInfo(path).exists())
                        return path;
        }

        QString path = QString(alternativeAbsolutePath + "/" + fileName);
        paths << path;
        if (QFileInfo(path).exists())
                return path;

        reportWarning("DataLocations::findConfigFile. Error: Can't find " + fileName + " in any of\n" + paths.join("  \n"));
        return "";
}

QString DataLocations::checkExecutableExist(QString path, QString filename)
{
        QStringList retval;
        path = QDir::cleanPath(path);
        if (QDir(path).exists(filename))
                return QDir(DataLocations::getBundlePath()).absoluteFilePath(path + "/" + filename);
        return "";
}

QString DataLocations::findExecutableInStandardLocations(QString filename)
{
        QString result;
#ifdef __APPLE__
        // run from installed folder on mac
        result = DataLocations::checkExecutableExist(qApp->applicationDirPath(), filename);
        if (!result.isEmpty())
                return result;
#endif
        // run from installed or build bin folder
        result = DataLocations::checkExecutableExist(DataLocations::getBundlePath(), filename);
        if (!result.isEmpty())
                return result;

        return result;
}

QString DataLocations::getWebsiteURL()
{
        QString url("http://custusx.org");
        return url;

}

QString DataLocations::getWebsiteUserDocumentationURL()
{
        QString version(CustusX_VERSION_STRING);
        if (version.contains("dev"))
                version = "nightly";
        QString url = QString("%1/uploads/user_doc/%2")
                        .arg(DataLocations::getWebsiteURL())
                        .arg(version);
        return url;
}

bool DataLocations::isRunFromBuildFolder()
{
        if(!mBuildFolderChecked)
        {
                QString bundlePath = DataLocations::getBundlePath();

                //Check if cxConfig.h file exists relative to the run application
                QString pathToConfigFile = bundlePath + "/../source/resource/core/settings/cxConfig.h";
                if (QFile(pathToConfigFile).exists())
                {
                        std::cout << "Using paths from build folder" << std::endl;
                        mRunFromBuildFolder = true;
                }
                else
                        mRunFromBuildFolder = false;
                mBuildFolderChecked = true;
        }

        return mRunFromBuildFolder;
}

} // namespace cx