Remove fmt.Prinln and add Zerolog logging system

storage/mongodb.go

@@ -2,8 +2,8 @@ package storage
 
 import (
 	"context"
-	"fmt"
 
+	"github.com/rs/zerolog/log"
 	"github.com/spf13/viper"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
@@ -77,15 +77,13 @@ func (s MongoDBStorage) GetEvents(namespaces []string) (events []Event, err erro
 	if len(namespaces) == 0 {
 		cur, err = collection.Find(context.TODO(), bson.D{}, findOptions)
 		if err != nil {
-			fmt.Println("...")
-			fmt.Println(err)
+			log.Error().Err(err).Msg("")
 			return events, err
 		}
 	} else {
 		cur, err = collection.Find(context.TODO(), bson.M{"namespace": bson.M{"$in": namespaces}}, findOptions)
 		if err != nil {
-			fmt.Println("Error here")
-			fmt.Println(err)
+			log.Error().Err(err).Msg("")
 			return events, err
 		}
 	}
@@ -98,12 +96,6 @@ func (s MongoDBStorage) GetEvents(namespaces []string) (events []Event, err erro
 			return events, err
 		}
 
-		// fmt.Println(elem)
-
-		// bsonBytes, _ := bson.Marshal(elem)
-		// fmt.Println(string(bsonBytes))
-		// bson.Unmarshal(bsonBytes, &event)
-
 		events = append(events, event)
 
 	}
@@ -147,7 +139,7 @@ func (s MongoDBStorage) UpdateSubscription(eventid string, subscriber string, de
 func (s MongoDBStorage) UpdateEvent(event Event) error {
 	collection := s.Client.Database(s.DbName).Collection(s.Collections["events"])
 	if _, err := collection.ReplaceOne(context.TODO(), bson.M{"_id": event.ID}, event); err != nil {
-		fmt.Println(err)
+		log.Error().Err(err).Msg("")
 		return err
 	}