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#include <sys/stat.h>
#include <string>
#if defined(_WIN32)
#include <direct.h>
#endif
#include <djinterop/djinterop.hpp>
#include <djinterop/enginelibrary/el_database_impl.hpp>
#include <djinterop/enginelibrary/schema.hpp>
namespace djinterop
{
namespace enginelibrary
{
database load_database(std::string directory)
{
return database{std::make_shared<el_database_impl>(std::move(directory))};
}
database make_database(
std::string directory, const semantic_version& default_version)
{
if (!is_supported(default_version))
{
throw unsupported_database_version{"Unsupported database version",
default_version};
}
auto music_db_path = directory + "/m.db";
auto perfdata_db_path = directory + "/p.db";
struct stat buf;
bool music_db_exists = stat(music_db_path.c_str(), &buf) == 0;
bool perfdata_db_exists = stat(perfdata_db_path.c_str(), &buf) == 0;
switch (music_db_exists + perfdata_db_exists)
{
case 1:
throw std::runtime_error{"Only one of m.db and p.db exist"};
break;
case 0:
{
// Ensure the target directory exists
if (stat(directory.c_str(), &buf) != 0)
{
// Create the dir
#if defined(_WIN32)
if (_mkdir(directory.c_str()) != 0)
#else
if (mkdir(directory.c_str(), 0755) != 0)
#endif
{
throw std::runtime_error{
"Failed to create directory to hold new database"};
}
}
sqlite::database m_db{music_db_path};
create_music_schema(m_db, default_version);
verify_music_schema(m_db);
sqlite::database p_db{perfdata_db_path};
create_performance_schema(p_db, default_version);
verify_performance_schema(p_db);
break;
}
default: // both exist, so we do nothing
break;
}
return load_database(std::move(directory));
}
} // namespace enginelibrary
} // namespace djinterop
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