public async Task <IActionResult> Aggregate(string clusterId, string dbName, string collectionName,
[FromBody] MongoAggregateRequest body)
{
var aggregateCursor = await AggregateInternal(clusterId, dbName, collectionName, body);
var aggregate = await aggregateCursor.ToListAsync();
var result = aggregate.Select(a => a.ToJObject()).ToList();
return(Ok(result));
}
private async Task <IAsyncCursor <BsonDocument> > AggregateInternal(
string clusterId, string dbName, string collectionName, MongoAggregateRequest body)
{
var collection = _configuration.GetCollection(clusterId, dbName, collectionName);
var stages = body.Stages?.Select(s => s.ToBsonDocument().Preprocess());
var pipelineDefinition = PipelineDefinition <BsonDocument, BsonDocument> .Create(stages);
var aggregateOptions = new AggregateOptions {
};
return(await collection.AggregateAsync(pipelineDefinition, aggregateOptions));
}
public async Task <IActionResult> AggregateToObject(string clusterId, string dbName, string collectionName,
[FromBody] MongoAggregateRequest body)
{
var aggregateCursor = await AggregateInternal(clusterId, dbName, collectionName, body);
var resultBson = await aggregateCursor.SingleOrDefaultAsync();
if (resultBson == null)
{
return(NotFound());
}
return(Ok(resultBson.ToJObject()));
}
