/// <summary>
/// Shows all talks in a feed.
/// </summary>
/// <param name="feed"></param>
private static void ShowTalks(Feed feed)
{
foreach (Talk talk in feed.Talks)
{
Console.WriteLine("[{0}] {1} ({2})", talk.StartTime, talk.Title, talk.Speaker);
}
}
/// <summary>
/// Loads the feed with the specified ID.
/// </summary>
/// <param name="id">The unique ID of the feed to load.</param>
/// <param name="limit">The maximum number of talks to load. Unlimited if null.</param>
/// <param name="startTime">Talks which start before the value of this DateTime object will not be loaded.</param>
/// <param name="endTime">Talks which start later than the value of this DateTime object will not be loaded.</param>
/// <param name="reverseOrder">A value indicating whether results should be returned in reverse order.</param>
/// <returns>Returns a snapshot of the feed with the specified ID.</returns>
public static Feed Load(
Int32 id,
Int32? limit = null,
DateTime? startTime = null,
DateTime? endTime = null,
Boolean reverseOrder = false)
{
Feed result = new Feed(id);
// construct a URL for the requested feed
QueryBuilder queryBuilder = new QueryBuilder(result.url);
// talks.cam ignores the value of reverse_order, so we only add it if it is true
if(reverseOrder)
queryBuilder.Parameters.Add("reverse_order", reverseOrder);
if (limit != null)
queryBuilder.Parameters.Add("limit", limit);
if (startTime.HasValue)
queryBuilder.Parameters.Add("start_time", startTime.Value.ToUnix());
if (endTime.HasValue)
queryBuilder.Parameters.Add("end_time", endTime.Value.ToUnix());
// load the xml
XmlReader reader = XmlReader.Create(queryBuilder.ToString());
XDocument doc = XDocument.Load(reader);
XElement root = doc.Root;
result.name = root.Element("name").Value;
result.details = root.Element("details").Value;
result.url = root.Element("url").Value;
foreach (XElement talk in root.Elements("talk"))
{
Talk t = Talk.Load(talk);
result.talks.Add(t);
}
return result;
}
