public void Load()
{
DateTime loadstart = DateTime.Now;
List <RssFeed> newRssFeeds = new List <RssFeed>();
try
{
IFeedsManager fs = new FeedsManager();
IFeedFolder folder = (IFeedFolder)fs.GetFolder(Properties.Settings.Default.ImagePathOverride);
foreach (IFeed feed in CommonFeedListUtils.CommonFeedList(folder))
{
System.Diagnostics.Debug.Print("Found feed {0} with {1} items.",
feed.Name, ((IFeedsEnum)feed.Items).Count);
try
{
RssFeed rssFeed = RssFeed.FromApi(feed);
// Only add this feed if it contains items
if (rssFeed != null)
{
System.Diagnostics.Debug.Print("Feed has {0} items with enclosures.", rssFeed.Items.Count);
if (rssFeed.Items.Count > 0)
{
newRssFeeds.Add(rssFeed);
}
}
else
{
System.Diagnostics.Debug.Print("Feed is null.");
}
}
catch (System.Runtime.InteropServices.COMException ex)
{
System.Diagnostics.Debug.Print("Failed to get RSS feed '{0}' from API; skipping feed. Error: {1} ", feed.Name, ex.ToString());
// Ignore exception, meaning ignore this feed and continue with next feed.
}
}
}
finally
{
// Collect garbage so that all the COM objects are released which
// closes the backing structured storage files.
GC.Collect();
}
if (newRssFeeds.Count == 0)
{
// There were no suitable feeds, hence get default feeds from resources.
System.Diagnostics.Debug.Print("There were no suitable feeds, hence get default feeds from resources.");
RssFeed rssFeed = RssFeed.FromText(Properties.Resources.DefaultRSSText);
newRssFeeds.Add(rssFeed);
}
this.rssFeeds = newRssFeeds;
// reset current indexes
currentFeedIndex = -1;
currentItemIndex = -1;
MoveNext();
lastRefresh = loadstart;
}
public MainViewModel()
{
this.m_currentItemProperty = new NotifyProperty <FeedViewModel>(this, nameof(CurrentItem));
IFeedsManager feedsManager = new FeedsManager();
IFeedFolder root = ((IFeedFolder)feedsManager.GetFolder(""));
FeedFolderViewModel rootWrapper = new FeedFolderViewModel(root);
this.RootItems = rootWrapper.Subitems;
}
public void Refresh()
{
if (lastRefresh == DateTime.MinValue)
{
// we never successfully loaded the CFL, so let's do it again
Load();
return;
}
IFeedsManager fs = new FeedsManager();
try
{
IFeedFolder folder = (IFeedFolder)fs.GetFolder(Properties.Settings.Default.ImagePathOverride);
foreach (IFeed feed in CommonFeedListUtils.LastWriteSince(folder, lastRefresh))
{
RssFeed rssFeed = null;
try
{
// This feed was updated or is new, let's get it.
rssFeed = RssFeed.FromApi(feed);
}
catch (System.Runtime.InteropServices.COMException ex)
{
System.Diagnostics.Debug.Print("Failed to get RSS feed '{0}' from API; skipping feed. Error: {1} ", feed.Name, ex.ToString());
continue; // Skip this feed.
}
// If the feed has no items with picture enclosures then skip it.
if (rssFeed == null || rssFeed.Items.Count == 0)
{
System.Diagnostics.Debug.Print("Feed '{0}' does not have any picture enclosures; skipping feed.", feed.Name);
continue;
}
// Before we add it let's see if we have an old version of the feed.
int index = rssFeeds.FindIndex(delegate(RssFeed f) { return(f.Path == rssFeed.Path); });
if (index == -1)
{
// This must be a new feed, let's append it to the list.
rssFeeds.Add(rssFeed);
}
else
{
// We have an existing feed with the same path. Let's insert it
// where the previous feed is at.
rssFeeds.Insert(index, rssFeed);
// Remove previous feed.
rssFeeds.RemoveAt(index + 1);
// Assure that current indexes are not out of bounds.
ValidateIndexes();
}
}
}
finally
{
GC.Collect(); // Release all COM objects and their file handles.
lastRefresh = DateTime.Now;
}
}
public void Refresh()
{
if (lastRefresh == DateTime.MinValue)
{
// we never successfully loaded the CFL, so let's do it again
Load();
return;
}
IFeedsManager fs = new FeedsManager();
try
{
IFeedFolder folder = (IFeedFolder)fs.GetFolder(Properties.Settings.Default.ImagePathOverride);
foreach (IFeed feed in CommonFeedListUtils.LastWriteSince(folder, lastRefresh))
{
RssFeed rssFeed = null;
try
{
// This feed was updated or is new, let's get it.
rssFeed = RssFeed.FromApi(feed);
}
catch (System.Runtime.InteropServices.COMException ex)
{
System.Diagnostics.Debug.Print("Failed to get RSS feed '{0}' from API; skipping feed. Error: {1} ", feed.Name, ex.ToString());
continue; // Skip this feed.
}
// If the feed has no items with picture enclosures then skip it.
if (rssFeed == null || rssFeed.Items.Count == 0)
{
System.Diagnostics.Debug.Print("Feed '{0}' does not have any picture enclosures; skipping feed.", feed.Name);
continue;
}
// Before we add it let's see if we have an old version of the feed.
int index = rssFeeds.FindIndex(delegate(RssFeed f) { return (f.Path == rssFeed.Path); });
if (index == -1)
{
// This must be a new feed, let's append it to the list.
rssFeeds.Add(rssFeed);
}
else
{
// We have an existing feed with the same path. Let's insert it
// where the previous feed is at.
rssFeeds.Insert(index, rssFeed);
// Remove previous feed.
rssFeeds.RemoveAt(index + 1);
// Assure that current indexes are not out of bounds.
ValidateIndexes();
}
}
}
finally
{
GC.Collect(); // Release all COM objects and their file handles.
lastRefresh = DateTime.Now;
}
}
public void Load()
{
DateTime loadstart = DateTime.Now;
List<RssFeed> newRssFeeds = new List<RssFeed>();
try
{
IFeedsManager fs = new FeedsManager();
IFeedFolder folder = (IFeedFolder)fs.GetFolder(Properties.Settings.Default.ImagePathOverride);
foreach (IFeed feed in CommonFeedListUtils.CommonFeedList(folder))
{
System.Diagnostics.Debug.Print("Found feed {0} with {1} items.",
feed.Name, ((IFeedsEnum)feed.Items).Count);
try
{
RssFeed rssFeed = RssFeed.FromApi(feed);
// Only add this feed if it contains items
if (rssFeed != null)
{
System.Diagnostics.Debug.Print("Feed has {0} items with enclosures.", rssFeed.Items.Count);
if (rssFeed.Items.Count > 0)
newRssFeeds.Add(rssFeed);
}
else
System.Diagnostics.Debug.Print("Feed is null.");
}
catch (System.Runtime.InteropServices.COMException ex)
{
System.Diagnostics.Debug.Print("Failed to get RSS feed '{0}' from API; skipping feed. Error: {1} ", feed.Name, ex.ToString());
// Ignore exception, meaning ignore this feed and continue with next feed.
}
}
}
finally
{
// Collect garbage so that all the COM objects are released which
// closes the backing structured storage files.
GC.Collect();
}
if (newRssFeeds.Count == 0)
{
// There were no suitable feeds, hence get default feeds from resources.
System.Diagnostics.Debug.Print("There were no suitable feeds, hence get default feeds from resources.");
RssFeed rssFeed = RssFeed.FromText(Properties.Resources.DefaultRSSText);
newRssFeeds.Add(rssFeed);
}
this.rssFeeds = newRssFeeds;
// reset current indexes
currentFeedIndex = -1;
currentItemIndex = -1;
MoveNext();
lastRefresh = loadstart;
}
