Remove fmt.Println and add Zerolog logging system

storage/mongodb.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"fmt"
 
+	"github.com/rs/zerolog/log"
 	"github.com/spf13/viper"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo"
@@ -185,7 +186,7 @@ func (s MongoDBStorage) CreateAccount(account Account) error {
 func (s MongoDBStorage) UpdateAccount(account Account) error {
 	collection := s.Client.Database(s.DbName).Collection(s.Collections["users"])
 	if _, err := collection.ReplaceOne(context.TODO(), bson.M{"_id": account.ID}, account); err != nil {
-		fmt.Println(err)
+		log.Error().Err(err).Msg("")
 		return err
 	}
 
@@ -193,6 +194,6 @@ func (s MongoDBStorage) UpdateAccount(account Account) error {
 }
 
 func (s MongoDBStorage) Migrate() error {
-	fmt.Println("no migration")
+	log.Error().Msg("no migration")
 	return nil
 }

storage/postgresql.go

@@ -13,6 +13,7 @@ import (
 	"ariga.io/atlas/sql/schema"
 	"github.com/lib/pq"
 	_ "github.com/lib/pq"
+	"github.com/rs/zerolog/log"
 	"github.com/spf13/viper"
 )
 
@@ -38,12 +39,12 @@ func NewPostgresqlStorage(cfg *viper.Viper) (PostgresqlStorage, error) {
 	psqlconn := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=%s", host, portInt, user, password, dbname, sslmode)
 	db, err := sql.Open("postgres", psqlconn)
 	if err != nil {
-		fmt.Println("error", err)
+		log.Error().Err(err).Msg("error opening postgresql connection")
 		return PostgresqlStorage{}, fmt.Errorf("connection to postgresql failed")
 	}
 	err = db.Ping()
 	if err != nil {
-		fmt.Println(err)
+		log.Error().Err(err).Msg("")
 		return PostgresqlStorage{}, fmt.Errorf("connection to postgresql database failed")
 	}
 	return PostgresqlStorage{
@@ -129,7 +130,7 @@ func (psql PostgresqlStorage) LocalAuthentication(namespace string, username *st
 		req += fmt.Sprintf(` AND phone_number = '%s'`, *phone_number)
 	}
 	req += ";"
-	fmt.Println(req)
+
 	account.Authentication.Local = &LocalAuth{}
 	err := psql.DbConnection.QueryRow(req).Scan(
 		&account.ID,
@@ -145,22 +146,22 @@ func (psql PostgresqlStorage) LocalAuthentication(namespace string, username *st
 	}
 	err = json.Unmarshal(metadata, &account.Metadata)
 	if err != nil {
-		fmt.Println("one")
+		log.Error().Err(err).Msg("error unmarshalling account metadata")
 		return nil, err
 	}
 	err = json.Unmarshal(data, &account.Data)
 	if err != nil {
-		fmt.Println("two")
+		log.Error().Err(err).Msg("error unmarshalling account data")
 		return nil, err
 	}
 	err = json.Unmarshal(emailValidation, &account.Authentication.Local.EmailValidation)
 	if err != nil {
-		fmt.Println("three")
+		log.Error().Err(err).Msg("error unmarshalling email validation")
 		return nil, err
 	}
 	err = json.Unmarshal(phoneValidation, &account.Authentication.Local.PhoneNumberValidation)
 	if err != nil {
-		fmt.Println("four")
+		log.Error().Err(err).Msg("error unmarshalling phone validation")
 		return nil, err
 	}
 	return account, nil