/// <summary>
/// Figures out the appropriate implementation of IAutomation based on the data in the event and returns it.
/// </summary>
/// <param name="evt"></param>
/// <param name="hub"></param>
/// <returns>An IEnumerable<IAutomation> containing the automations to be run for this event.</returns>
public static IEnumerable <IAutomation> GetAutomations(HubEvent evt, HomeAutomationPlatform hub)
{
/*
* Get the types from the assembly
* where the type implements IAutomation and
* the type has trigger attributes
* where the trigger attribute names a mapped device that matches the device that caused the event
* and the attribute also names a Capability that matches the device that caused the event
* and the count of the matching trigger attributes is greater than 0
*/
IEnumerable <Type> typeCollection = Assembly.LoadFrom(_automationAssembly).GetTypes()
.Where(t => typeof(IAutomation).IsAssignableFrom(t) &&
(t.GetCustomAttributes <TriggerDeviceAttribute>()
.Where(a => hub.LookupDeviceId(a.DeviceMappedName) == evt.DeviceId &&
a.Capability.ToString().ToLower() == evt.Name))
.Count() > 0);
foreach (Type automation in typeCollection)
{
var thing = Activator.CreateInstance(automation, new Object[] { hub, evt });
if (thing is IAutomation automationSource)
{
yield return(automationSource);
}
}
}
/// <summary>
/// Figures out the appropriate implementation of IAutomation based on the data in the event and returns it.
/// </summary>
/// <param name="evt"></param>
/// <param name="hub"></param>
/// <returns>An IEnumerable<IAutomation> containing the automations to be run for this event.</returns>
public static IEnumerable <IAutomation> GetAutomations(HubEvent evt, HomeAutomationPlatform hub)
{
/*
* Get the types from the assembly
* where the type implements IAutomation and
* the type has trigger attributes
* where the trigger attribute names a mapped device that matches the device that caused the event
* and the attribute also names a Capability that matches the device that caused the event
* and the count of the matching trigger attributes is greater than 0
*/
Dictionary <string, List <Type> > assemblies = MemoryCache.GetOrCreate("Assemblies", entry =>
{
Dictionary <string, List <Type> > automationDictionary = new Dictionary <string, List <Type> >();
var temp = Assembly.LoadFrom(_automationAssembly).GetTypes()
.Where(t => typeof(IAutomation).IsAssignableFrom(t));
foreach (var type in temp)
{
var keys = type.GetCustomAttributes <TriggerDeviceAttribute>().Select(t => $"{hub.LookupDeviceId(t.DeviceMappedName)}|{t.Capability.ToString().ToLower()}");
foreach (var key in keys)
{
if (automationDictionary.ContainsKey(key))
{
automationDictionary[key].Add(type);
}
else
{
automationDictionary.Add(key, new List <Type> {
type
});
}
}
}
return(automationDictionary);
});
foreach (Type automation in assemblies[$"{evt.DeviceId}|{evt.Name}"])
{
var thing = Activator.CreateInstance(automation, new Object[] { hub, evt });
if (thing is IAutomation automationSource)
{
yield return(automationSource);
}
}
}