private void RemoveSearch(string searchText)
{
var existingSearch = Searches.FirstOrDefault(s => s.SearchText == searchText);
if (existingSearch != null)
{
existingSearch.SearchObservable.Dispose();
Searches.Remove(existingSearch);
if (Searches.Count == 0)
{
Tweets.Clear();
}
}
}
private void AddToExistingSearchesOrCreateNew(ISearch searchToBeAdded)
{
if (searchToBeAdded == null)
{
throw new ArgumentNullException("searchToBeAdded");
}
lock (thisLock)
{
var matchingSearch = Searches.FirstOrDefault((existingSearch) => existingSearch.Owner == searchToBeAdded.Owner &&
existingSearch.DescriptionKey == searchToBeAdded.DescriptionKey);
if (matchingSearch != null)
{
matchingSearch.Criteria.AddRange(searchToBeAdded.Criteria);
}
else
{
Searches.Add(searchToBeAdded);
}
}
}