public WebResult<List<Item>> GetFeedItems(string connectionKey, Channel feed)
{
if (feed == null)
return new WebResult<List<Item>>(WebResult.ErrorCodeList.INVALID_PARAMETER);
EntityFramwork.User user = _sessionWrapper.GetUser(connectionKey);
if (user == null) return new WebResult<List<Item>>(WebResult.ErrorCodeList.NOT_LOGUED);
List<Item> items = new List<Item>();
var dbItems = (from item in db.Items where item.id_channel == feed.Id select item).OrderByDescending(item => item.pubDate);
foreach (var dbItem in dbItems)
{
if (items.Count() > 50) // totalement arbitraire
break;
items.Add(new Item(dbItem, user));
}
return new WebResult<List<Item>>(items);
}
public WebResult UnfollowFeed(string connectionKey, Channel feed)
{
EntityFramwork.User user = _sessionWrapper.GetUser(connectionKey);
if (user == null) return new WebResult(WebResult.ErrorCodeList.NOT_LOGUED);
var cxu = from item in db.ChannelXUsers where item.User == user && item.id_channel == feed.Id select item;
if (cxu != null)
{
db.ChannelXUsers.DeleteAllOnSubmit(cxu);
db.SubmitChanges();
return new WebResult();
}
return new WebResult(WebResult.ErrorCodeList.CANNOT_GET_FEED);
}
public WebResult RefreshFeed(Channel feed)
{
var chanToUpdate = (from chan in db.Channels where chan.id == feed.Id select chan).SingleOrDefault();
if (chanToUpdate == null)
return new WebResult(WebResult.ErrorCodeList.CANNOT_GET_FEED);
RssFeedConverter.UpdateDBChannel(chanToUpdate);
return new WebResult();
}