Lidarr/NzbDrone.Core/Notifications/NotificationService.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using NLog;
using Newtonsoft.Json;
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using NzbDrone.Common;
using NzbDrone.Common.Composition;
using NzbDrone.Common.Messaging;
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using NzbDrone.Common.Serializer;
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using NzbDrone.Core.Download;
using NzbDrone.Core.MediaFiles.Events;
namespace NzbDrone.Core.Notifications
{
public interface INotificationService
{
List<Notification> All();
Notification Get(int id);
List<Notification> Schema();
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Notification Create(Notification notification);
Notification Update(Notification notification);
void Delete(int id);
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}
public class NotificationService
: INotificationService,
IHandle<EpisodeGrabbedEvent>,
IHandle<EpisodeDownloadedEvent>,
IHandle<SeriesRenamedEvent>
{
private readonly INotificationRepository _notificationRepository;
private readonly IContainer _container;
private readonly List<INotification> _notifications;
private readonly Logger _logger;
public NotificationService(INotificationRepository notificationRepository,
IEnumerable<INotification> notifications,
IContainer container,
Logger logger)
{
_notificationRepository = notificationRepository;
_container = container;
_notifications = notifications.ToList();
_logger = logger;
}
public List<Notification> All()
{
return _notificationRepository.All().Select(ToNotification).ToList();
}
public Notification Get(int id)
{
return ToNotification(_notificationRepository.Get(id));
}
public List<Notification> Schema()
{
var notifications = new List<Notification>();
int i = 1;
foreach (var notification in _notifications)
{
var type = notification.GetType();
var newNotification = new Notification();
newNotification.Instance = (INotification)_container.Resolve(type);
newNotification.Id = i;
newNotification.Name = notification.Name;
var instanceType = newNotification.Instance.GetType();
var baseGenArgs = instanceType.BaseType.GetGenericArguments();
newNotification.Settings = (INotifcationSettings) Activator.CreateInstance(baseGenArgs[0]);
newNotification.Implementation = type.Name;
notifications.Add(newNotification);
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i++;
}
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return notifications.OrderBy(n => n.Name).ToList();
}
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public Notification Create(Notification notification)
{
var definition = new NotificationDefinition()
{
Name = notification.Name,
OnGrab = notification.OnGrab,
OnDownload = notification.OnDownload,
Implementation = notification.Implementation,
Settings = Json.Serialize(notification.Settings)
};
definition = _notificationRepository.Insert(definition);
notification.Id = definition.Id;
return notification;
}
public Notification Update(Notification notification)
{
var definition = _notificationRepository.Get(notification.Id);
definition.Name = notification.Name;
definition.OnGrab = notification.OnGrab;
definition.OnDownload = notification.OnDownload;
definition.Implementation = notification.Implementation;
definition.Settings = Json.Serialize(notification.Settings);
_notificationRepository.Update(definition);
return notification;
}
public void Delete(int id)
{
_notificationRepository.Delete(id);
}
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private Notification ToNotification(NotificationDefinition definition)
{
var notification = new Notification();
notification.Id = definition.Id;
notification.OnGrab = definition.OnGrab;
notification.OnDownload = definition.OnDownload;
notification.Instance = GetInstance(definition);
notification.Name = definition.Name;
notification.Implementation = definition.Implementation;
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notification.Settings = ((dynamic)notification.Instance).ImportSettingsFromJson(definition.Settings);
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return notification;
}
private INotification GetInstance(NotificationDefinition indexerDefinition)
{
var type = _notifications.Single(c => c.GetType().Name.Equals(indexerDefinition.Implementation, StringComparison.InvariantCultureIgnoreCase)).GetType();
var instance = (INotification)_container.Resolve(type);
instance.InstanceDefinition = indexerDefinition;
return instance;
}
public void Handle(EpisodeGrabbedEvent message)
{
All().Where(n => n.OnGrab)
.ToList()
.ForEach(notification =>
notification.Instance
.OnGrab("Grabbed!")
);
}
public void Handle(EpisodeDownloadedEvent message)
{
All().Where(n => n.OnDownload)
.ToList()
.ForEach(notification =>
notification.Instance
.OnDownload("Downloaded!", message.Series)
);
}
public void Handle(SeriesRenamedEvent message)
{
All().Where(n => n.OnDownload)
.ToList()
.ForEach(notification =>
notification.Instance
.OnDownload("Renamed!", message.Series)
);
}
}
}