topicsCollection := DB.C("topics")
var topics []ItemDocument
err := topicsCollection.EnsureIndexKey("title")
if err != nil {
fmt.Println(err)
}
topicsCollection.Find(bson.M{
"$text": bson.M{
"$search": query,
"$caseSensetive": false,
},
}).Limit(10).All(&topics)