add signup resolver

server/db/db.go

@@ -0,0 +1,53 @@
+package db
+
+import (
+	"log"
+
+	"github.com/yauthdev/yauth/server/constants"
+	"github.com/yauthdev/yauth/server/enum"
+	"gorm.io/driver/mysql"
+	"gorm.io/driver/postgres"
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+	"gorm.io/gorm/schema"
+)
+
+type Manager interface {
+	AddUser(user User) (User, error)
+	GetUsers() ([]User, error)
+	GetUserByEmail(email string) (User, error)
+	AddVerification(verification Verification) (Verification, error)
+}
+
+type manager struct {
+	db *gorm.DB
+}
+
+var Mgr Manager
+
+func init() {
+	var db *gorm.DB
+	var err error
+	ormConfig := &gorm.Config{
+		NamingStrategy: schema.NamingStrategy{
+			TablePrefix: "yauth_",
+		},
+	}
+	if constants.DB_TYPE == enum.Postgres {
+		db, err = gorm.Open(postgres.Open(constants.DB_URL), ormConfig)
+	}
+	if constants.DB_TYPE == enum.Mysql {
+		db, err = gorm.Open(mysql.Open(constants.DB_URL), ormConfig)
+	}
+	if constants.DB_TYPE == enum.Sqlite {
+		db, err = gorm.Open(sqlite.Open(constants.DB_URL), ormConfig)
+	}
+
+	if err != nil {
+		log.Fatal("Failed to init db:", err)
+	} else {
+		db.AutoMigrate(&User{}, &Verification{})
+	}
+
+	Mgr = &manager{db: db}
+}