private void listBox_SelectedValueChanged(object sender, EventArgs e)
{
if (listBox.SelectedItems.Count > 1)
{
return;
}
// update Listview
listView.BeginUpdate();
Podcast key = (Podcast)listBox.SelectedItem;
listView.Items.Clear();
foreach (Item item in Model.Instance.Podcasts[key.Url].Items)
{
ListViewItem listViewItem = new ListViewItem();
listViewItem.SubItems[0] = new ListViewItem.ListViewSubItem(listViewItem, item.Status.ToString());
listViewItem.SubItems.Add(item.Title);
ListViewItem.ListViewSubItem subItem = new ListViewItem.ListViewSubItem();
subItem.Text = item.Date.ToShortDateString();
subItem.Tag = item.Date;
listViewItem.SubItems.Add(subItem);
listViewItem.SubItems.Add(item.Description);
listViewItem.Tag = item;
listViewItem.ToolTipText = item.Description;
listView.Items.Add(listViewItem);
}
// Loop through and size each column header to fit the column header text.
foreach (ColumnHeader ch in this.listView.Columns)
{
ch.Width = -2;
}
listView.EndUpdate();
// update Model
Model.Instance.SelectedPodcast = key;
}
private bool Equals(Podcast obj)
{
bool result = true;
result &=
string.Equals(Title, obj.Title) &&
string.Equals(Description, obj.Description) &&
string.Equals(Url, obj.Url);
for (int i = 0; i < Items.Count; i++)
{
result &= Items[i].Equals(obj.Items[i]);
if (!result)
{
break;
}
}
return(result);
}
private bool Equals(Podcast obj)
{
bool result = true;
result &=
string.Equals(Title, obj.Title) &&
string.Equals(Description, obj.Description) &&
string.Equals(Url, obj.Url);
for (int i = 0; i < Items.Count; i++)
{
result &= Items[i].Equals(obj.Items[i]);
if (!result)
break;
}
return result;
}
public void GetDirectoryOfFeedTest()
{
string rssUrl = @"file://" + rssFile;
Podcast expected = new Podcast();
expected.Title = "CRE: Technik, Kultur, Gesellschaft";
expected.Description = "Der Interview-Podcast mit Tim Pritlove";
expected.Url = rssUrl;
expected.Items = new List<Item>();
Item item1 = new Item();
item1.FileName = "cre197-ipv6.mp3";
item1.Title = "CRE197 IPv6";
item1.Url = @"http://feedproxy.google.com/~r/cre-podcast/~5/vFEBFGH8_qQ/cre197-ipv6.mp3";
item1.Status = Status.New;
expected.Items.Add(item1);
Item item2 = new Item();
item2.FileName = "cre166_segeln.mp3";
item2.Title = "CRE166 Segeln";
item2.Url = @"http://feedproxy.google.com/~r/cre-podcast/~5/zzCLAjsGg5Q/cre166_segeln.mp3";
item2.Status = Status.New;
expected.Items.Add(item2);
Podcast actual;
actual = Controller.GetCatalogOfFeed(rssUrl);
Assert.AreEqual(expected, actual);
}
public static void RefreshFeeds()
{
SerializableDictionary <string, Podcast> podcasts = Model.Instance.Podcasts;
foreach (var item in podcasts)
{
Podcast podcast = item.Value;
string rssUrl = podcast.Url;
// load the podcast
XmlDocument doc = new XmlDocument();
try
{
doc.Load(rssUrl);
// get meta info of feed
string xpathExpr = string.Format(CultureInfo.InvariantCulture, "/rss/channel/title");
XmlNode xmlNode = doc.SelectSingleNode(xpathExpr);
xpathExpr = string.Format(CultureInfo.InvariantCulture, "/rss/channel/description");
xmlNode = doc.SelectSingleNode(xpathExpr);
// builds a list of item nodes
XmlNodeList items = doc.SelectNodes("//item");
List <Item> files = new List <Item>();
// loop through list and check for new items
for (int i = 0; i < items.Count; i++)
{
string title = items[i].SelectSingleNode("title").InnerText;
// check if file is already contained in list of files
bool newFile = true;
foreach (var file in podcast.Items)
{
if (file.Title == title)
{
newFile = false;
break;
}
}
if (newFile)
{
Item file = new Item();
file.Title = items[i].SelectSingleNode("title").InnerText;
file.Url = items[i].SelectSingleNode("enclosure").Attributes["url"].Value;
DateTime date = new DateTime();
DateTime.TryParse(items[i].SelectSingleNode("pubDate").InnerText, out date);
file.Date = date;
//file.ItunesSummary = items[i].SelectSingleNode("itunes:summary").InnerText;
file.Description = items[i].SelectSingleNode("description").InnerText;
file.Status = Status.New;
int indexOfSlash = file.Url.LastIndexOf("/");
file.FileName = file.Url.Substring(indexOfSlash + 1, file.Url.Length - indexOfSlash - 1);
podcast.Items.Add(file);
}
}
}
catch (WebException ex)
{
System.Windows.Forms.MessageBox.Show(string.Format(CultureInfo.InvariantCulture, Properties.Resources.ErrorReadingRssFeed, rssUrl, ex.Message));
}
// Sort files according to date
podcast.Items.Sort(CompareItemsByDate);
}
}
public static Podcast GetCatalogOfFeed(string rssUrl)
{
String xpathExpr = String.Empty;
XmlNode xmlNode;
Podcast result = null;
// load the Podcast
XmlDocument doc = new XmlDocument();
try
{
doc.Load(rssUrl);
result = new Podcast();
// get meta info of feed
xpathExpr = string.Format(CultureInfo.InvariantCulture, "/rss/channel/title");
xmlNode = doc.SelectSingleNode(xpathExpr);
result.Title = xmlNode.InnerText;
xpathExpr = string.Format(CultureInfo.InvariantCulture, "/rss/channel/description");
xmlNode = doc.SelectSingleNode(xpathExpr);
result.Description = xmlNode.InnerText;
result.Url = rssUrl;
// builds a list of item nodes
XmlNodeList items = doc.SelectNodes("//item");
List<Item> files = new List<Item>();
// loop through list and write out title, URL and filename
for (int i = 0; i < items.Count; i++)
{
Item file = new Item();
file.Title = items[i].SelectSingleNode("title").InnerText;
file.Url = items[i].SelectSingleNode("enclosure").Attributes["url"].Value;
DateTime date = new DateTime();
DateTime.TryParse(items[i].SelectSingleNode("pubDate").InnerText, out date);
file.Date = date;
//file.ItunesSummary = items[i].SelectSingleNode("itunes:summary").InnerText;
file.Description = items[i].SelectSingleNode("description").InnerText;
file.Status = Status.New;
int indexOfSlash = file.Url.LastIndexOf("/");
file.FileName = file.Url.Substring(indexOfSlash + 1, file.Url.Length - indexOfSlash - 1);
files.Add(file);
}
result.Items = files;
}
catch (WebException)
{
System.Windows.Forms.MessageBox.Show("RSS-Feed cannot be read from server.");
}
return result;
}
