move classes to portable server project

1 files changed, 260 insertions, 0 deletions

diff --git a/Emby.Server.Implementations/News/NewsEntryPoint.cs b/Emby.Server.Implementations/News/NewsEntryPoint.cs
new file mode 100644
index 0000000000..1497d066fe
--- /dev/null
+++ b/Emby.Server.Implementations/News/NewsEntryPoint.cs
@@ -0,0 +1,260 @@
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Common.Extensions;
+using MediaBrowser.Common.Net;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Notifications;
+using MediaBrowser.Controller.Plugins;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.News;
+using MediaBrowser.Model.Notifications;
+using MediaBrowser.Model.Serialization;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Xml;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Threading;
+
+namespace Emby.Server.Implementations.News
+{
+    public class NewsEntryPoint : IServerEntryPoint
+    {
+        private ITimer _timer;
+        private readonly IHttpClient _httpClient;
+        private readonly IApplicationPaths _appPaths;
+        private readonly IFileSystem _fileSystem;
+        private readonly ILogger _logger;
+        private readonly IJsonSerializer _json;
+
+        private readonly INotificationManager _notifications;
+        private readonly IUserManager _userManager;
+
+        private readonly TimeSpan _frequency = TimeSpan.FromHours(24);
+        private readonly ITimerFactory _timerFactory;
+
+        public NewsEntryPoint(IHttpClient httpClient, IApplicationPaths appPaths, IFileSystem fileSystem, ILogger logger, IJsonSerializer json, INotificationManager notifications, IUserManager userManager, ITimerFactory timerFactory)
+        {
+            _httpClient = httpClient;
+            _appPaths = appPaths;
+            _fileSystem = fileSystem;
+            _logger = logger;
+            _json = json;
+            _notifications = notifications;
+            _userManager = userManager;
+            _timerFactory = timerFactory;
+        }
+
+        public void Run()
+        {
+            _timer = _timerFactory.Create(OnTimerFired, null, TimeSpan.FromMilliseconds(500), _frequency);
+        }
+
+        /// <summary>
+        /// Called when [timer fired].
+        /// </summary>
+        /// <param name="state">The state.</param>
+        private async void OnTimerFired(object state)
+        {
+            var path = Path.Combine(_appPaths.CachePath, "news.json");
+
+            try
+            {
+                await DownloadNews(path).ConfigureAwait(false);
+            }
+            catch (Exception ex)
+            {
+                _logger.ErrorException("Error downloading news", ex);
+            }
+        }
+
+        private async Task DownloadNews(string path)
+        {
+            DateTime? lastUpdate = null;
+
+			if (_fileSystem.FileExists(path))
+            {
+                lastUpdate = _fileSystem.GetLastWriteTimeUtc(path);
+            }
+
+            var requestOptions = new HttpRequestOptions
+            {
+                Url = "http://emby.media/community/index.php?/blog/rss/1-media-browser-developers-blog",
+                Progress = new Progress<double>(),
+                UserAgent = "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.42 Safari/537.36",
+                BufferContent = false
+            };
+
+            using (var stream = await _httpClient.Get(requestOptions).ConfigureAwait(false))
+            {
+                using (var reader = XmlReader.Create(stream))
+                {
+                    var news = ParseRssItems(reader).ToList();
+
+                    _json.SerializeToFile(news, path);
+
+                    await CreateNotifications(news, lastUpdate, CancellationToken.None).ConfigureAwait(false);
+                }
+            }
+        }
+
+        private Task CreateNotifications(List<NewsItem> items, DateTime? lastUpdate, CancellationToken cancellationToken)
+        {
+            if (lastUpdate.HasValue)
+            {
+                items = items.Where(i => i.Date.ToUniversalTime() >= lastUpdate.Value)
+                    .ToList();
+            }
+
+            var tasks = items.Select(i => _notifications.SendNotification(new NotificationRequest
+            {
+                Date = i.Date,
+                Name = i.Title,
+                Description = i.Description,
+                Url = i.Link,
+                UserIds = _userManager.Users.Select(u => u.Id.ToString("N")).ToList()
+
+            }, cancellationToken));
+
+            return Task.WhenAll(tasks);
+        }
+
+        private IEnumerable<NewsItem> ParseRssItems(XmlReader reader)
+        {
+            reader.MoveToContent();
+            reader.Read();
+
+            while (!reader.EOF)
+            {
+                if (reader.NodeType == XmlNodeType.Element)
+                {
+                    switch (reader.Name)
+                    {
+                        case "channel":
+                            {
+                                using (var subReader = reader.ReadSubtree())
+                                {
+                                    return ParseFromChannelNode(subReader);
+                                }
+                            }
+                        default:
+                            {
+                                reader.Skip();
+                                break;
+                            }
+                    }
+                }
+                else
+                {
+                    reader.Read();
+                }
+            }
+
+            return new List<NewsItem>();
+        }
+
+        private IEnumerable<NewsItem> ParseFromChannelNode(XmlReader reader)
+        {
+            var list = new List<NewsItem>();
+
+            reader.MoveToContent();
+            reader.Read();
+
+            while (!reader.EOF)
+            {
+                if (reader.NodeType == XmlNodeType.Element)
+                {
+                    switch (reader.Name)
+                    {
+                        case "item":
+                            {
+                                using (var subReader = reader.ReadSubtree())
+                                {
+                                    list.Add(ParseItem(subReader));
+                                }
+                                break;
+                            }
+                        default:
+                            {
+                                reader.Skip();
+                                break;
+                            }
+                    }
+                }
+                else
+                {
+                    reader.Read();
+                }
+            }
+
+            return list;
+        }
+
+        private NewsItem ParseItem(XmlReader reader)
+        {
+            var item = new NewsItem();
+
+            reader.MoveToContent();
+            reader.Read();
+
+            while (!reader.EOF)
+            {
+                if (reader.NodeType == XmlNodeType.Element)
+                {
+                    switch (reader.Name)
+                    {
+                        case "title":
+                        {
+                            item.Title = reader.ReadElementContentAsString();
+                            break;
+                        }
+                        case "link":
+                            {
+                                item.Link = reader.ReadElementContentAsString();
+                                break;
+                            }
+                        case "description":
+                            {
+                                item.DescriptionHtml = reader.ReadElementContentAsString();
+                                item.Description = item.DescriptionHtml.StripHtml();
+                                break;
+                            }
+                        case "pubDate":
+                            {
+                                var date = reader.ReadElementContentAsString();
+                                DateTime parsedDate;
+
+                                if (DateTime.TryParse(date, out parsedDate))
+                                {
+                                    item.Date = parsedDate;
+                                }
+                                break;
+                            }
+                        default:
+                            {
+                                reader.Skip();
+                                break;
+                            }
+                    }
+                }
+                else
+                {
+                    reader.Read();
+                }
+            }
+
+            return item;
+        }
+
+        public void Dispose()
+        {
+            if (_timer != null)
+            {
+                _timer.Dispose();
+                _timer = null;
+            }
+        }
+    }
+}