jellyfin/Emby.Notifications/NotificationManager.cs

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6.9 KiB
C#
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Configuration;
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Notifications;
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using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Notifications;
using Microsoft.Extensions.Logging;
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namespace Emby.Notifications
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{
public class NotificationManager : INotificationManager
{
private readonly ILogger _logger;
private readonly IUserManager _userManager;
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private readonly IServerConfigurationManager _config;
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private INotificationService[] _services;
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private INotificationTypeFactory[] _typeFactories;
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public NotificationManager(ILoggerFactory loggerFactory, IUserManager userManager, IServerConfigurationManager config)
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{
_userManager = userManager;
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_config = config;
_logger = loggerFactory.CreateLogger(GetType().Name);
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}
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private NotificationOptions GetConfiguration()
{
return _config.GetConfiguration<NotificationOptions>("notifications");
}
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public Task SendNotification(NotificationRequest request, CancellationToken cancellationToken)
{
return SendNotification(request, null, cancellationToken);
}
public Task SendNotification(NotificationRequest request, BaseItem relatedItem, CancellationToken cancellationToken)
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{
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var notificationType = request.NotificationType;
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var options = string.IsNullOrEmpty(notificationType) ?
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null :
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GetConfiguration().GetOptions(notificationType);
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var users = GetUserIds(request, options)
.Select(i => _userManager.GetUserById(i))
.Where(i => relatedItem == null || relatedItem.IsVisibleStandalone(i))
.ToArray();
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var title = request.Name;
var description = request.Description;
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var tasks = _services.Where(i => IsEnabled(i, notificationType))
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.Select(i => SendNotification(request, i, users, title, description, cancellationToken));
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return Task.WhenAll(tasks);
}
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private Task SendNotification(NotificationRequest request,
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INotificationService service,
IEnumerable<User> users,
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string title,
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string description,
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CancellationToken cancellationToken)
{
users = users.Where(i => IsEnabledForUser(service, i))
.ToList();
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var tasks = users.Select(i => SendNotification(request, service, title, description, i, cancellationToken));
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return Task.WhenAll(tasks);
}
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private IEnumerable<Guid> GetUserIds(NotificationRequest request, NotificationOption options)
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{
if (request.SendToUserMode.HasValue)
{
switch (request.SendToUserMode.Value)
{
case SendToUserType.Admins:
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return _userManager.Users.Where(i => i.Policy.IsAdministrator)
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.Select(i => i.Id);
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case SendToUserType.All:
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return _userManager.Users.Select(i => i.Id);
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case SendToUserType.Custom:
return request.UserIds;
default:
throw new ArgumentException("Unrecognized SendToUserMode: " + request.SendToUserMode.Value);
}
}
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if (options != null && !string.IsNullOrEmpty(request.NotificationType))
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{
var config = GetConfiguration();
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return _userManager.Users
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.Where(i => config.IsEnabledToSendToUser(request.NotificationType, i.Id.ToString("N"), i.Policy))
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.Select(i => i.Id);
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}
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return request.UserIds;
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}
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private async Task SendNotification(NotificationRequest request,
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INotificationService service,
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string title,
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string description,
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User user,
CancellationToken cancellationToken)
{
var notification = new UserNotification
{
Date = request.Date,
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Description = description,
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Level = request.Level,
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Name = title,
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Url = request.Url,
User = user
};
_logger.LogDebug("Sending notification via {0} to user {1}", service.Name, user.Name);
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try
{
await service.SendNotification(notification, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
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_logger.LogError(ex, "Error sending notification to {0}", service.Name);
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}
}
private bool IsEnabledForUser(INotificationService service, User user)
{
try
{
return service.IsEnabledForUser(user);
}
catch (Exception ex)
{
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_logger.LogError(ex, "Error in IsEnabledForUser");
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return false;
}
}
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private bool IsEnabled(INotificationService service, string notificationType)
{
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if (string.IsNullOrEmpty(notificationType))
{
return true;
}
return GetConfiguration().IsServiceEnabled(service.Name, notificationType);
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}
public void AddParts(IEnumerable<INotificationService> services, IEnumerable<INotificationTypeFactory> notificationTypeFactories)
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{
_services = services.ToArray();
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_typeFactories = notificationTypeFactories.ToArray();
}
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public List<NotificationTypeInfo> GetNotificationTypes()
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{
var list = _typeFactories.Select(i =>
{
try
{
return i.GetNotificationTypes().ToList();
}
catch (Exception ex)
{
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_logger.LogError(ex, "Error in GetNotificationTypes");
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return new List<NotificationTypeInfo>();
}
}).SelectMany(i => i).ToList();
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var config = GetConfiguration();
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foreach (var i in list)
{
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i.Enabled = config.IsEnabled(i.Type);
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}
return list;
}
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public IEnumerable<NameIdPair> GetNotificationServices()
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{
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return _services.Select(i => new NameIdPair
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{
Name = i.Name,
Id = i.Name.GetMD5().ToString("N")
}).OrderBy(i => i.Name);
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}
}
}