/// <summary>
/// Import a list of files into the download cache, with progress bar and
/// interactive prompts for installation and deletion.
/// </summary>
/// <param name="files">Set of files to import</param>
/// <param name="user">Object for user interaction</param>
/// <param name="installMod">Function to call to mark a mod for installation</param>
/// <param name="allowDelete">True to ask user whether to delete imported files, false to leave the files as is</param>
public void ImportFiles(HashSet <FileInfo> files, IUser user, Action <string> installMod, bool allowDelete = true)
{
Registry registry = registry_manager.registry;
HashSet <string> installable = new HashSet <string>();
List <FileInfo> deletable = new List <FileInfo>();
// Get the mapping of known hashes to modules
Dictionary <string, List <CkanModule> > index = registry.GetSha1Index();
int i = 0;
foreach (FileInfo f in files)
{
int percent = i * 100 / files.Count;
user.RaiseProgress($"Importing {f.Name}... ({percent}%)", percent);
// Calc SHA-1 sum
string sha1 = NetModuleCache.GetFileHashSha1(f.FullName);
// Find SHA-1 sum in registry (potentially multiple)
if (index.ContainsKey(sha1))
{
deletable.Add(f);
List <CkanModule> matches = index[sha1];
foreach (CkanModule mod in matches)
{
if (mod.IsCompatibleKSP(ksp.VersionCriteria()))
{
installable.Add(mod.identifier);
}
if (Cache.IsMaybeCachedZip(mod))
{
user.RaiseMessage("Already cached: {0}", f.Name);
}
else
{
user.RaiseMessage($"Importing {mod.identifier} {StripEpoch(mod.version)}...");
Cache.Store(mod, f.FullName);
}
}
}
else
{
user.RaiseMessage("Not found in index: {0}", f.Name);
}
++i;
}
if (installable.Count > 0 && user.RaiseYesNoDialog($"Install {installable.Count} compatible imported mods in game instance {ksp.Name} ({ksp.GameDir()})?"))
{
// Install the imported mods
foreach (string identifier in installable)
{
installMod(identifier);
}
}
if (allowDelete && deletable.Count > 0 && user.RaiseYesNoDialog($"Import complete. Delete {deletable.Count} old files?"))
{
// Delete old files
foreach (FileInfo f in deletable)
{
f.Delete();
}
}
}
