[Fix] Projection issue, #279

.postman/api

@@ -0,0 +1,17 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY
+id = 787c5fe4-872e-48e3-95ec-a821c2269b7b
+
+[relations]
+
+[relations.collections]
+rootDirectory = postman/collections
+
+[relations.collections.metaData]
+
+[relations.apiDefinition]
+rootDirectory = postman/schemas
+files[] = {"path":"index.yaml","metaData":{}}
+
+[relations.apiDefinition.metaData]
+type = openapi:3
+rootFiles[] = index.yaml

lib/mongodb-backend.js

@@ -65,8 +65,13 @@ MongoDBBackend.prototype = {
     this.db.collection(this.prefix + this.removeUnsupportedChar(collName),function(err,collection){
       if(err instanceof Error) return cb(err);
       // Excluding bucket field from search result
-      collection.findOne(searchParams, {_bucketname: 0},function(err, doc){
+      collection.find(searchParams).project({_bucketname: 0}).toArray(function(err, doc){
         if(err) return cb(err);
+        if (doc.length) {
+          doc = doc[0];
+        } else {
+          return cb(undefined,[]);
+        }
         if(! _.isObject(doc) ) return cb(undefined,[]);
         doc = fixKeys(doc);
         cb(undefined,_.without(_.keys(doc),"key","_id"));