added validation; DB is global now

internal/database/db.go

@@ -7,13 +7,13 @@ import (
 	"gorm.io/gorm"
 )
 
-// var DB *gorm.DB
+var DB *gorm.DB
 
-func InitDB(dbPath string) (*gorm.DB, error) {
+func InitDB(dbPath string) error {
 
 	db, err := gorm.Open(sqlite.Open(dbPath), &gorm.Config{})
 	if err != nil {
-		return nil, err
+		return err
 	}
 	if err := db.AutoMigrate(
 		&models.User{},
@@ -23,8 +23,8 @@ func InitDB(dbPath string) (*gorm.DB, error) {
 		&models.Verification{},
 		&models.BankAccount{}); err != nil {
 		logger.Error.Fatalf("Couldn't create database: %v", err)
-		return nil, err
+		return err
 	}
-	// DB = db
-	return db, nil
+	DB = db
+	return nil
 }