| public static QueryValue ( BsonDocument doc, IEnumerable | ||
| doc | BsonDocument | |
| keys | IEnumerable | |
| return | BsonValue | |
public async Task <TrackableDictionary <TKey, TValue> > LoadAsync(IMongoCollection <BsonDocument> collection,
params object[] keyValues)
{
if (keyValues.Length == 0)
{
throw new ArgumentException("At least 1 keyValue required.");
}
BsonDocument doc;
if (keyValues.Length == 1)
{
doc = await collection.Find(Builders <BsonDocument> .Filter.Eq("_id", keyValues[0])).FirstOrDefaultAsync();
}
else
{
// partial query
var partialKeys = keyValues.Skip(1);
var partialPath = DocumentHelper.ToDotPath(partialKeys);
var partialDoc = await collection.Find(Builders <BsonDocument> .Filter.Eq("_id", keyValues[0]))
.Project(Builders <BsonDocument> .Projection.Include(partialPath))
.FirstOrDefaultAsync();
doc = DocumentHelper.QueryValue(partialDoc, partialKeys) as BsonDocument;
}
if (doc == null)
{
return(null);
}
return(ConvertToTrackableDictionary(doc));
}
public async Task <TrackableList <T> > LoadAsync(IMongoCollection <BsonDocument> collection,
params object[] keyValues)
{
if (keyValues.Length < 2)
{
throw new ArgumentException("At least 2 keyValue required.");
}
// partial query
var keyPath = keyValues.Length > 1 ? DocumentHelper.ToDotPath(keyValues.Skip(1)) : "";
var partialDoc = await collection.Find(Builders <BsonDocument> .Filter.Eq("_id", keyValues[0]))
.Project(Builders <BsonDocument> .Projection.Include(keyPath))
.FirstOrDefaultAsync();
if (partialDoc == null)
{
return(null);
}
var doc = DocumentHelper.QueryValue(partialDoc, keyValues.Skip(1));
if (doc == null)
{
return(null);
}
if (doc.IsBsonArray == false)
{
throw new Exception($"Data should be an array. ({doc.BsonType})");
}
return(ConvertToTrackableList(doc.AsBsonArray));
}
public T ConvertToTrackablePoco(BsonDocument doc, params object[] partialKeys)
{
var partialDoc = DocumentHelper.QueryValue(doc, partialKeys);
if (partialDoc == null)
{
return(default(T));
}
return(ConvertToTrackablePoco(partialDoc.AsBsonDocument));
}
public TrackableList <T> ConvertToTrackableList(BsonDocument doc, params object[] partialKeys)
{
var partialDoc = DocumentHelper.QueryValue(doc, partialKeys);
if (partialDoc == null)
{
return(null);
}
var list = new TrackableList <T>();
ConvertToList(partialDoc.AsBsonArray, list);
return(list);
}
public TrackableDictionary <TKey, TValue> ConvertToTrackableDictionary(BsonDocument doc,
params object[] partialKeys)
{
var partialDoc = DocumentHelper.QueryValue(doc, partialKeys);
if (partialDoc == null)
{
return(null);
}
var dictionary = new TrackableDictionary <TKey, TValue>();
ConvertToDictionary(partialDoc.AsBsonDocument, dictionary);
return(dictionary);
}