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More UI updates

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This commit is contained in:
Chris Kaczor
2023-04-16 12:57:17 -04:00
parent 5c0c84a068
commit d6a2fd5a46
47 changed files with 3695 additions and 3768 deletions
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170
Application/MainWindow/FeedCreation.cs
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@@ -2,101 +2,121 @@
using System;
using System.Linq;
using System.Net;
using System.Threading;
namespace FeedCenter
namespace FeedCenter;
public partial class MainWindow
{
public partial class MainWindow
{
private delegate void NewFeedDelegate(string feedUrl);
private delegate void NewFeedDelegate(string feedUrl);
private static string GetAbsoluteUrlString(string baseUrl, string url)
private static string GetAbsoluteUrlString(string baseUrl, string url)
{
var uri = new Uri(url, UriKind.RelativeOrAbsolute);
if (!uri.IsAbsoluteUri)
uri = new Uri(new Uri(baseUrl), uri);
return uri.ToString();
}
private void HandleNewFeed(string feedUrl)
{
// Create and configure the new feed
var feed = Feed.Create();
feed.Source = feedUrl;
feed.CategoryId = _database.DefaultCategory.Id;
// 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)
{
var uri = new Uri(url, UriKind.RelativeOrAbsolute);
if (!uri.IsAbsoluteUri)
uri = new Uri(new Uri(baseUrl), uri);
return uri.ToString();
// 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>(GetAbsoluteUrlString(feed.Source, n.Attributes["href"].Value), WebUtility.HtmlDecode(n.Attributes["title"]?.Value ?? feedUrl)))
.Distinct()
.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;
}
}
}
private void HandleNewFeed(string feedUrl)
// Read the feed for the first time
var feedReadResult = feed.Read(true);
// Check to see if this might be rate limited
if (feedReadResult == FeedReadResult.TemporarilyUnavailable)
{
// Create and configure the new feed
var feed = Feed.Create();
feed.Source = feedUrl;
feed.CategoryId = _database.DefaultCategory.Id;
// Wait a second
Thread.Sleep(1000);
// Try to detect the feed type
var feedTypeResult = feed.DetectFeedType();
// Try to read again
feedReadResult = feed.Read(true);
}
// 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);
// See if we read the feed okay
if (feedReadResult == FeedReadResult.Success)
{
// Update the feed name to be the title
feed.Name = feed.Title;
// 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>(GetAbsoluteUrlString(feed.Source, n.Attributes["href"].Value), WebUtility.HtmlDecode(n.Attributes["title"]?.Value ?? feedUrl)))
.Distinct()
.ToList();
// Add the feed to the feed table
_database.SaveChanges(() => _database.Feeds.Add(feed));
// 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);
// Show a tip
NotificationIcon.ShowBalloonTip(string.Format(Properties.Resources.FeedAddedNotification, feed.Name), System.Windows.Forms.ToolTipIcon.Info);
if (string.IsNullOrEmpty(feedLink))
return;
_currentFeed = feed;
feed.Source = feedLink;
}
}
}
// Refresh the database to current settings
ResetDatabase();
// Read the feed for the first time
var feedReadResult = feed.Read();
// Re-initialize the feed display
DisplayFeed();
}
else
{
// Feed read failed - create a new feed window
var feedForm = new FeedWindow();
// See if we read the feed okay
if (feedReadResult == FeedReadResult.Success)
{
// Update the feed name to be the title
feed.Name = feed.Title;
var dialogResult = feedForm.Display(feed, this);
// Add the feed to the feed table
_database.SaveChanges(() => _database.Feeds.Add(feed));
// Display the new feed form
if (!dialogResult.HasValue || !dialogResult.Value)
return;
// Show a tip
NotificationIcon.ShowBalloonTip(string.Format(Properties.Resources.FeedAddedNotification, feed.Name), System.Windows.Forms.ToolTipIcon.Info);
// Add the feed to the feed table
_database.SaveChanges(() => _database.Feeds.Add(feed));
// Re-initialize the feed display
DisplayFeed();
}
else
{
// Feed read failed - create a new feed window
var feedForm = new FeedWindow();
_currentFeed = feed;
var dialogResult = feedForm.Display(feed, this);
// Refresh the database to current settings
ResetDatabase();
// Display the new feed form
if (dialogResult.HasValue && dialogResult.Value)
{
// Add the feed to the feed table
_database.SaveChanges(() => _database.Feeds.Add(feed));
// Re-initialize the feed display
DisplayFeed();
}
}
// Re-initialize the feed display
DisplayFeed();
}
}
}