- Add support for filtering by category

- Break up main window into partials instead of using regions
2026-01-25 09:35:40 -05:00 · 2016-05-31 09:59:37 -04:00
parent 2de33134ce
commit fbc6500229
23 changed files with 1699 additions and 1461 deletions
--- a/Application/MainWindow/FeedCreation.cs
+++ b/Application/MainWindow/FeedCreation.cs
@@ -0,0 +1,99 @@
+using System;
+using System.Linq;
+using System.Net;
+using Common.Internet;
+using FeedCenter.Options;
+
+namespace FeedCenter
+{
+    public partial class MainWindow
+    {
+        private delegate void NewFeedDelegate(string feedUrl);
+        private void HandleNewFeed(string feedUrl)
+        {
+            // Create and configure the new feed
+            var feed = Feed.Create(_database);
+            feed.Source = feedUrl;
+            feed.Category = _database.DefaultCategory;
+
+            // Try to detect the feed type
+            var feedTypeResult = feed.DetectFeedType();
+
+            // If we can't figure it out it could be an HTML page
+            if (feedTypeResult.Item1 == FeedType.Unknown)
+            {
+                // Only check if the feed was able to be read - otherwise fall through and show the dialog
+                if (feedTypeResult.Item2.Length > 0)
+                {
+                    // Create and load an HTML document with the text
+                    var htmlDocument = new HtmlAgilityPack.HtmlDocument();
+                    htmlDocument.LoadHtml(feedTypeResult.Item2);
+
+                    // Look for all RSS or atom links in the document
+                    var rssLinks = htmlDocument.DocumentNode.Descendants("link")
+                        .Where(n => n.Attributes["type"] != null && (n.Attributes["type"].Value == "application/rss+xml" || n.Attributes["type"].Value == "application/atom+xml"))
+                        .Select(n => new Tuple<string, string>(UrlHelper.GetAbsoluteUrlString(feed.Source, n.Attributes["href"].Value), WebUtility.HtmlDecode(n.Attributes["title"]?.Value ?? string.Empty)))
+                        .ToList();
+
+                    // If there was only one link found then switch to feed to it
+                    if (rssLinks.Count == 1)
+                    {
+                        feed.Source = rssLinks[0].Item1;
+                    }
+                    else
+                    {
+                        var feedChooserWindow = new FeedChooserWindow();
+                        var feedLink = feedChooserWindow.Display(this, rssLinks);
+
+                        if (string.IsNullOrEmpty(feedLink))
+                            return;
+
+                        feed.Source = feedLink;
+                    }
+                }
+            }
+
+            // Read the feed for the first time
+            var feedReadResult = feed.Read(_database);
+
+            // See if we read the feed okay
+            if (feedReadResult == FeedReadResult.Success)
+            {
+                // Update the feed name to be the title
+                feed.Name = feed.Title;
+
+                // Add the feed to the feed table
+                _database.Feeds.Add(feed);
+
+                // Save the changes
+                _database.SaveChanges();
+
+                // Show a tip
+                NotificationIcon.ShowBalloonTip(string.Format(Properties.Resources.FeedAddedNotification, feed.Name), System.Windows.Forms.ToolTipIcon.Info);
+
+                // Re-initialize the feed display
+                DisplayFeed();
+            }
+            else
+            {
+                // Feed read failed - ceate a new feed window
+                var feedForm = new FeedWindow();
+
+                var dialogResult = feedForm.Display(_database, feed, this);
+
+                // Display the new feed form
+                if (dialogResult.HasValue && dialogResult.Value)
+                {
+                    // Add the feed to the feed table
+                    _database.Feeds.Add(feed);
+
+                    // Save the changes
+                    _database.SaveChanges();
+
+                    // Re-initialize the feed display
+                    DisplayFeed();
+                }
+            }
+        }
+    }
+}