private string InstallPluginForFlow(byte[] zipFileContent, string flowId, string modifiedById,
bool validateAgainstDbVersion, out string pluginFolderPath)
{
string parentFolderPath = GetPluginRootFolderForFlow(flowId);
string tempDirPath =
Path.Combine(parentFolderPath, INSTALLING_DIRECTORY_PREFIX + Guid.NewGuid().ToString());
try
{
// Extract files to installing directory
_compressionHelper.UncompressDirectory(zipFileContent, tempDirPath);
// Locate a valid base plugin and version #
ICollection <SimpleDataService> implementers =
GetDataServiceImplementersInDirectory(tempDirPath, false);
SimpleDataService primaryImplementer = GetPrimaryImplementer(implementers);
if (primaryImplementer == null)
{
throw new FileNotFoundException("A valid plugin implementer was not found in the zip file");
}
string installFolderPath = Path.Combine(parentFolderPath, primaryImplementer.Version.ToString());
// Check that the incoming version is greater than any existing installed version
VersionInfo curVersion;
string rtnPath = GetPluginSubFolderWithHighestVersion(flowId, out curVersion);
if (validateAgainstDbVersion && (_pluginDao != null))
{
PluginItem pluginItem = _pluginDao.GetHighestVersionPlugin(flowId);
if (pluginItem != null)
{
if (curVersion != null)
{
if (pluginItem.BinaryVersion > curVersion)
{
curVersion = pluginItem.BinaryVersion;
}
}
else
{
curVersion = pluginItem.BinaryVersion;
}
}
}
if (curVersion != null)
{
if (primaryImplementer.Version < curVersion)
{
throw new InvalidOperationException(string.Format("A plugin with a newer version \"{0}\" is already installed for the flow \"{1}\"",
curVersion.ToString(), _flowDao.GetDataFlowNameById(flowId)));
}
}
if ((_pluginDao != null) && !string.IsNullOrEmpty(modifiedById))
{
PluginItem pluginItem = new PluginItem();
pluginItem.FlowId = flowId;
pluginItem.BinaryVersion = primaryImplementer.Version;
pluginItem.ModifiedById = modifiedById;
ITransactionOperations transactionTemplate = _pluginDao.GetTransactionTemplate();
transactionTemplate.Execute(delegate
{
_pluginDao.SavePlugin(pluginItem, zipFileContent);
// Rename the plugin directory with the version name
MoveInstalledPluginDirectory(tempDirPath, installFolderPath);
return(null);
});
}
else
{
// Rename the plugin directory with the version name
MoveInstalledPluginDirectory(tempDirPath, installFolderPath);
}
pluginFolderPath = installFolderPath;
return(string.Format("Successfully installed the plugin: \"{0}\"", primaryImplementer.ToString()));
}
catch (Exception)
{
FileUtils.SafeDeleteDirectory(tempDirPath);
throw;
}
}
