initial commit

db/database.go

@@ -0,0 +1,31 @@
+package db
+
+import (
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+)
+
+type Credential struct {
+	Username string
+	Password string
+}
+
+type GormConfig struct {
+	Dsn        string
+	Credential Credential
+}
+
+type ConnectionFactory interface {
+	GetConnection(config GormConfig) (*gorm.DB, error)
+}
+
+type SQLiteConnectionFactory struct{}
+
+func (f *SQLiteConnectionFactory) GetConnection(config GormConfig) (*gorm.DB, error) {
+	return gorm.Open(sqlite.Open(config.Dsn), &gorm.Config{})
+}
+
+func OpenConnection(dsn string, factory ConnectionFactory) (*gorm.DB, error) {
+	db, err := factory.GetConnection(GormConfig{Dsn: dsn})
+	return db, err
+}

db/product.go

@@ -0,0 +1,9 @@
+package db
+
+import "gorm.io/gorm"
+
+type Product struct {
+	gorm.Model
+	Code  string
+	Price uint
+}