[{_id:ObjectId("6d5fc0922982bb550e08502d"),sponsored:true,value:"programmer"},{_id:ObjectId("6d5fc0922982bb550e08502a"),sponsored:true,value:"work"},{_id:ObjectId("6d5fc0922982bb550e08502b"),sponsored:false,value:"aa"},{_id:ObjectId("6d5fc0922982bb550e08502c"),sponsored:false,value:"bb"}]

db.collection.aggregate([{$sort:{sponsored:-1,_id:1}},{$match:{}},{$facet:{notSponsored:[{$match:{sponsored:false}}],sposerted:[{$match:{sponsored:true}},{$limit:1}],count:[{$match:{sponsored:false}},{$count:"total"}]}},{$project:{results:{$concatArrays:["$sposerted","$notSponsored"]},totalResultCount:{$first:"$count.total"}}}])