void playMusic(char *filename, int loop)
{
if (music != NULL)
{
Mix_HaltMusic();
Mix_FreeMusic(music);
music = NULL;
}
music = Mix_LoadMUS(getFileLocation(filename));
Mix_PlayMusic(music, (loop) ? -1 : 0);
}
/// Execute the algorithm
void CatalogDownloadDataFiles::exec()
{
// Cast a catalog to a catalogInfoService to access downloading functionality.
auto catalogInfoService = boost::dynamic_pointer_cast<API::ICatalogInfoService>(
API::CatalogManager::Instance().getCatalog(getPropertyValue("Session")));
// Check if the catalog created supports publishing functionality.
if (!catalogInfoService) throw std::runtime_error("The catalog that you are using does not support external downloading.");
// Used in order to transform the archive path to the user's operating system.
CatalogInfo catalogInfo = ConfigService::Instance().getFacility().catalogInfo();
std::vector<int64_t> fileIDs = getProperty("FileIds");
std::vector<std::string> fileNames = getProperty("FileNames");
// Stores the paths to the related files located in the archives (if user has access).
// Otherwise, stores the path to the downloaded file.
std::vector<std::string> fileLocations;
m_prog = 0.0;
std::vector<int64_t>::const_iterator fileID = fileIDs.begin();
std::vector<std::string>::const_iterator fileName = fileNames.begin();
// For every file with the given ID.
for(; fileID != fileIDs.end(); ++fileID, ++fileName)
{
m_prog += 0.1;
double prog = m_prog / (double(fileIDs.size()) /10 );
progress(prog,"getting location string...");
// The location of the file (on the server) stored in the archives.
std::string fileLocation = catalogInfoService->getFileLocation(*fileID);
g_log.debug() << "CatalogDownloadDataFiles -> File location before transform is: " << fileLocation << std::endl;
// Transform the archive path to the path of the user's operating system.
fileLocation = catalogInfo.transformArchivePath(fileLocation);
g_log.debug() << "CatalogDownloadDataFiles -> File location after transform is: " << fileLocation << std::endl;
// Can we open the file (Hence, have access to the archives?)
std::ifstream hasAccessToArchives(fileLocation.c_str());
if(hasAccessToArchives)
{
g_log.information() << "File (" << *fileName << ") located in archives (" << fileLocation << ")." << std::endl;
fileLocations.push_back(fileLocation);
}
else
{
g_log.information() << "Unable to open file (" << *fileName << ") from archive. Beginning to download over Internet." << std::endl;
progress(prog/2,"getting the url ....");
// Obtain URL for related file to download from net.
const std::string url = catalogInfoService->getDownloadURL(*fileID);
progress(prog,"downloading over internet...");
const std::string fullPathDownloadedFile = doDownloadandSavetoLocalDrive(url,*fileName);
fileLocations.push_back(fullPathDownloadedFile);
}
}
// Set the fileLocations property
setProperty("FileLocations",fileLocations);
}
static Mix_Chunk *loadSound(char *filename)
{
return Mix_LoadWAV(getFileLocation(filename));
}
