/// <summary>
/// Queries CosmosDB for each of the token types
/// sorts results based on location (if provided) and date
/// </summary>
public static IEnumerable <NoteModel> QueryNotes(string userId, string queryContents, string city, Point userLocation = null)
{
List <string> uniqueTokens = IndexerBase.GetDistinctTokens(queryContents).ToList();
if (uniqueTokens.Count == 0)
{
return(new List <NoteModel>());
}
IQueryable <NoteModel> notes = CosmosDBClient.Query <NoteModel>().Where(n => n.UserId == userId);
foreach (string token in uniqueTokens)
{
if (string.IsNullOrWhiteSpace(token))
{
continue;
}
// Check each Indexer for membership
if (new HashTagIndexer().IsMember(token))
{
new HashTagIndexer().FilterNoteKeys(ref notes, token);
TransactionModel.AddTransaction(userId, TransactionModel.TransactionType.Search, token, city, userLocation);
continue; // index membership is disjoint
}
// Check each Indexer for membership
if (new LocationIndexer().IsMember(token))
{
new LocationIndexer().FilterNoteKeys(ref notes, token);
continue; // index membership is disjoint
}
else if (new DateIndexer().IsMember(token))
{
new DateIndexer().FilterNoteKeys(ref notes, token);
continue; // index membership is disjoint
}
else if (new DateRangeIndexer().IsMember(token))
{
// Date range is an exception where it's not stored as an actual index
// but instead a range of indices
new DateRangeIndexer().FilterNoteKeys(ref notes, token);
continue; // index membership is disjoint
}
else
{
// Allow user to forget to add '#' when querying hashtags
//new HashTagIndexer().FilterNoteKeys(ref notes, "#" + token);
// Word is always the default token
new WordIndexer().FilterNoteKeys(ref notes, token);
}
}
return(notes);
//// Build the query based on the tokens
//if (userLocation != null)
//{
// return notes.OrderByDescending(n => n.Location.Distance(userLocation))
// .ThenBy(n => n.LastUpdatedTime);
//}
//return notes.OrderByDescending(n => n.LastUpdatedTime);
}
public void SetNoteContents(string content, out IEnumerable <string> removedTags, out IEnumerable <string> newTags)
{
EncodedNote = HttpUtility.UrlEncode(content);
// keep track of which tags we've seen to remove the deleted ones from the Transactions
HashSet <string> leftoverTags = new HashSet <string>();
if (this.Hashtags != null)
{
leftoverTags = new HashSet <string>(this.Hashtags);
}
// keep track of new tags to add to Transactions
newTags = new List <string>();
this.Hashtags = new List <string>();
this.Words = new List <string>();
IEnumerable <string> uniqueTokens = IndexerBase.GetDistinctTokens(content);
foreach (string token in uniqueTokens)
{
if (string.IsNullOrWhiteSpace(token))
{
continue;
}
if (new HashTagIndexer().IsMember(token))
{
this.Hashtags.Add(token);
if (!leftoverTags.Contains(token))
{
((List <string>)newTags).Add(token);
}
else
{
leftoverTags.Remove(token);
}
}
else // default is a word
{
this.Words.Add(token);
}
}
removedTags = leftoverTags.AsEnumerable();
}
public virtual void InitializeIndexers(IList <IndexerBase> indexers)
{
Logger.Debug("Initializing indexers. Count {0}", indexers.Count);
_indexers = indexers;
var currentIndexers = All();
foreach (var feedProvider in indexers)
{
IndexerBase indexerLocal = feedProvider;
if (!currentIndexers.Exists(c => c.IndexProviderType == indexerLocal.GetType().ToString()))
{
var settings = new IndexerDefinition
{
Enable = indexerLocal.EnabledByDefault,
IndexProviderType = indexerLocal.GetType().ToString(),
Name = indexerLocal.Name
};
SaveSettings(settings);
}
}
}
