/// <summary>
/// Tries to parse an identifier in the format Modname=version
/// If the module cannot be found in the registry, throws a ModuleNotFoundKraken.
/// </summary>
public static CkanModule FromIDandVersion(Registry registry, string mod, KSPVersion ksp_version)
{
CkanModule module;
Match match = Regex.Match(mod, @"^(?<mod>[^=]*)=(?<version>.*)$");
if (match.Success)
{
string ident = match.Groups["mod"].Value;
string version = match.Groups["version"].Value;
module = registry.GetModuleByVersion(ident, version);
if (module == null)
{
throw new ModuleNotFoundKraken(ident, version, string.Format("Cannot install {0}, version {1} not available", ident, version));
}
}
else
{
module = registry.LatestAvailable(mod, ksp_version);
}
if (module == null)
{
throw new ModuleNotFoundKraken(mod, null, string.Format("Cannot install {0}, module not available", mod));
}
else
{
return(module);
}
}
/// <summary>
/// This function returns a changeset based on the selections of the user.
/// Currently returns null if a conflict is detected.
/// </summary>
/// <param name="registry"></param>
/// <param name="changeSet"></param>
/// <param name="installer">A module installer for the current KSP install</param>
/// <param name="version">The version of the current KSP install</param>
public async Task<IEnumerable<KeyValuePair<GUIMod, GUIModChangeType>>> ComputeChangeSetFromModList(
Registry registry, HashSet<KeyValuePair<GUIMod, GUIModChangeType>> changeSet, ModuleInstaller installer,
KSPVersion version)
{
var modules_to_install = new HashSet<CkanModule>();
var modules_to_remove = new HashSet<Module>();
var options = new RelationshipResolverOptions
{
without_toomanyprovides_kraken = false,
with_recommends = false
};
foreach (var change in changeSet)
{
switch (change.Value)
{
case GUIModChangeType.None:
break;
case GUIModChangeType.Install:
modules_to_install.Add(change.Key.ToCkanModule());
break;
case GUIModChangeType.Remove:
modules_to_remove.Add(change.Key);
break;
case GUIModChangeType.Update:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
var installed_modules =
registry.InstalledModules.Select(imod => imod.Module).ToDictionary(mod => mod.identifier, mod => mod);
bool handled_all_to_many_provides = false;
while (!handled_all_to_many_provides)
{
//Can't await in catch clause - doesn't seem to work in mono. Hence this flag
TooManyModsProvideKraken kraken;
try
{
new RelationshipResolver(modules_to_install.ToList(), options, registry, version);
handled_all_to_many_provides = true;
continue;
}
catch (TooManyModsProvideKraken k)
{
kraken = k;
}
catch (ModuleNotFoundKraken k)
{
//We shouldn't need this. However the relationship provider will throw TMPs with incompatible mods.
user.RaiseError("Module {0} has not been found. This may be because it is not compatible " +
"with the currently installed version of KSP", k.module);
return null;
}
//Shouldn't get here unless there is a kraken.
var mod = await too_many_provides(kraken);
if (mod != null)
{
modules_to_install.Add(mod);
}
else
{
//TODO Is could be a new type of Kraken.
throw kraken;
}
}
foreach (var dependency in modules_to_remove.
Select(mod => installer.FindReverseDependencies(mod.identifier)).
SelectMany(reverse_dependencies => reverse_dependencies))
{
//TODO This would be a good place to have a event that alters the row's graphics to show it will be removed
Module module_by_version = registry.GetModuleByVersion(installed_modules[dependency].identifier,
installed_modules[dependency].version) ?? registry.InstalledModule(dependency).Module;
changeSet.Add(
new KeyValuePair<GUIMod, GUIModChangeType>(
new GUIMod(module_by_version, registry, version), GUIModChangeType.Remove));
}
//May throw InconsistentKraken
var resolver = new RelationshipResolver(options, registry, version);
resolver.RemoveModsFromInstalledList(
changeSet.Where(change => change.Value.Equals(GUIModChangeType.Remove)).Select(m => m.Key.ToModule()));
resolver.AddModulesToInstall(modules_to_install.ToList());
changeSet.UnionWith(
resolver.ModList()
.Select(
mod =>
new KeyValuePair<GUIMod, GUIModChangeType>(new GUIMod(mod, registry, version),
GUIModChangeType.Install)));
return changeSet;
}
