internal PluginFeatureInfo(Plugin plugin, Type featureType, PluginFeatureEntity pluginFeatureEntity, PluginFeatureAttribute?attribute)
{
Plugin = plugin ?? throw new ArgumentNullException(nameof(plugin));
FeatureType = featureType ?? throw new ArgumentNullException(nameof(featureType));
Entity = pluginFeatureEntity;
Name = attribute?.Name ?? featureType.Name.Humanize(LetterCasing.Title);
Description = attribute?.Description;
Icon = attribute?.Icon;
AlwaysEnabled = attribute?.AlwaysEnabled ?? false;
if (Icon != null)
{
return;
}
if (typeof(BaseDataModelExpansion).IsAssignableFrom(featureType))
{
Icon = "TableAdd";
}
else if (typeof(DeviceProvider).IsAssignableFrom(featureType))
{
Icon = "Devices";
}
else if (typeof(ProfileModule).IsAssignableFrom(featureType))
{
Icon = "VectorRectangle";
}
else if (typeof(Module).IsAssignableFrom(featureType))
{
Icon = "GearBox";
}
else if (typeof(LayerBrushProvider).IsAssignableFrom(featureType))
{
Icon = "Brush";
}
else if (typeof(LayerEffectProvider).IsAssignableFrom(featureType))
{
Icon = "AutoAwesome";
}
else
{
Icon = "Plugin";
}
}
public Plugin LoadPlugin(DirectoryInfo directory)
{
_logger.Verbose("Loading plugin from {directory}", directory.FullName);
// Load the metadata
string metadataFile = Path.Combine(directory.FullName, "plugin.json");
if (!File.Exists(metadataFile))
{
_logger.Warning(new ArtemisPluginException("Couldn't find the plugins metadata file at " + metadataFile), "Plugin exception");
}
// PluginInfo contains the ID which we need to move on
PluginInfo pluginInfo = CoreJson.DeserializeObject <PluginInfo>(File.ReadAllText(metadataFile)) !;
if (pluginInfo.Guid == Constants.CorePluginInfo.Guid)
{
throw new ArtemisPluginException($"Plugin {pluginInfo} cannot use reserved GUID {pluginInfo.Guid}");
}
lock (_plugins)
{
// Ensure the plugin is not already loaded
if (_plugins.Any(p => p.Guid == pluginInfo.Guid))
{
throw new ArtemisCoreException($"Cannot load plugin {pluginInfo} because it is using a GUID already used by another plugin");
}
}
// Load the entity and fall back on creating a new one
Plugin plugin = new(pluginInfo, directory, _pluginRepository.GetPluginByGuid(pluginInfo.Guid));
OnPluginLoading(new PluginEventArgs(plugin));
// Locate the main assembly entry
string?mainFile = plugin.ResolveRelativePath(plugin.Info.Main);
if (!File.Exists(mainFile))
{
throw new ArtemisPluginException(plugin, "Couldn't find the plugins main entry at " + mainFile);
}
FileInfo[] fileInfos = directory.GetFiles();
if (!fileInfos.Any(f => string.Equals(f.Name, plugin.Info.Main, StringComparison.InvariantCulture)))
{
throw new ArtemisPluginException(plugin, "Plugin main entry casing mismatch at " + plugin.Info.Main);
}
// Load the plugin, all types implementing Plugin and register them with DI
plugin.PluginLoader = PluginLoader.CreateFromAssemblyFile(mainFile !, configure =>
{
configure.IsUnloadable = true;
configure.LoadInMemory = true;
configure.PreferSharedTypes = true;
});
try
{
plugin.Assembly = plugin.PluginLoader.LoadDefaultAssembly();
}
catch (Exception e)
{
throw new ArtemisPluginException(plugin, "Failed to load the plugins assembly", e);
}
// Get the Plugin feature from the main assembly and if there is only one, instantiate it
List <Type> featureTypes;
try
{
featureTypes = plugin.Assembly.GetTypes().Where(t => typeof(PluginFeature).IsAssignableFrom(t)).ToList();
}
catch (ReflectionTypeLoadException e)
{
throw new ArtemisPluginException(
plugin,
"Failed to initialize the plugin assembly",
// ReSharper disable once RedundantEnumerableCastCall - Casting from nullable to non-nullable here
new AggregateException(e.LoaderExceptions.Where(le => le != null).Cast <Exception>().ToArray())
);
}
foreach (Type featureType in featureTypes)
{
// Load the enabled state and if not found, default to true
PluginFeatureEntity featureEntity = plugin.Entity.Features.FirstOrDefault(i => i.Type == featureType.FullName) ??
new PluginFeatureEntity {
IsEnabled = plugin.Info.AutoEnableFeatures, Type = featureType.FullName !
};
plugin.AddFeature(new PluginFeatureInfo(plugin, featureType, featureEntity, (PluginFeatureAttribute?)Attribute.GetCustomAttribute(featureType, typeof(PluginFeatureAttribute))));
}
if (!featureTypes.Any())
{
_logger.Warning("Plugin {plugin} contains no features", plugin);
}
List <Type> bootstrappers = plugin.Assembly.GetTypes().Where(t => typeof(PluginBootstrapper).IsAssignableFrom(t)).ToList();
if (bootstrappers.Count > 1)
{
_logger.Warning($"{plugin} has more than one bootstrapper, only initializing {bootstrappers.First().FullName}");
}
if (bootstrappers.Any())
{
plugin.Bootstrapper = (PluginBootstrapper?)Activator.CreateInstance(bootstrappers.First());
plugin.Bootstrapper?.InternalOnPluginLoaded(plugin);
}
lock (_plugins)
{
_plugins.Add(plugin);
}
OnPluginLoaded(new PluginEventArgs(plugin));
return(plugin);
}
