/// <summary>
/// Loads all <see cref="Feed"/>s stored in <see cref="IFeedCache"/> into memory.
/// </summary>
/// <param name="cache">The <see cref="IFeedCache"/> to load <see cref="Feed"/>s from.</param>
/// <returns>The parsed <see cref="Feed"/>s. Damaged files are logged and skipped.</returns>
/// <exception cref="IOException">A problem occured while reading from the cache.</exception>
/// <exception cref="UnauthorizedAccessException">Read access to the cache is not permitted.</exception>
public static IEnumerable <Feed> GetAll([NotNull] this IFeedCache cache)
{
#region Sanity checks
if (cache == null)
{
throw new ArgumentNullException("cache");
}
#endregion
var feeds = new List <Feed>();
foreach (var feedUri in cache.ListAll())
{
try
{
feeds.Add(cache.GetFeed(feedUri));
}
#region Error handling
catch (KeyNotFoundException)
{
// Feed file no longer exists
}
catch (InvalidDataException ex)
{
Log.Error(ex);
}
#endregion
}
return(feeds);
}
/// <summary>
/// Loads all <see cref="Feed"/>s stored in <see cref="IFeedCache"/> into memory.
/// </summary>
/// <param name="cache">The <see cref="IFeedCache"/> to load <see cref="Feed"/>s from.</param>
/// <returns>The parsed <see cref="Feed"/>s. Damaged files are logged and skipped.</returns>
/// <exception cref="IOException">A problem occurred while reading from the cache.</exception>
/// <exception cref="UnauthorizedAccessException">Read access to the cache is not permitted.</exception>
public static IEnumerable <Feed> GetAll(this IFeedCache cache)
{
#region Sanity checks
if (cache == null)
{
throw new ArgumentNullException(nameof(cache));
}
#endregion
var feeds = new List <Feed>();
foreach (var feedUri in cache.ListAll())
{
try
{
var feed = cache.GetFeed(feedUri);
if (feed != null)
{
feeds.Add(feed);
}
}
#region Error handling
catch (InvalidDataException ex)
{
Log.Error(ex);
}
#endregion
}
return(feeds);
}
/// <inheritdoc/>
public IEnumerable <FeedUri> ListAll()
{
return(_backingCache.ListAll());
}