feat: add support for sqlserver (#81)

* feat: add support for sqlserver

* fix: update gorm dependencies

* fix: update constraint

server/db/db.go

@@ -9,6 +9,7 @@ import (
 	"gorm.io/driver/mysql"
 	"gorm.io/driver/postgres"
 	"gorm.io/driver/sqlite"
+	"gorm.io/driver/sqlserver"
 	"gorm.io/gorm"
 	"gorm.io/gorm/schema"
 )
@@ -78,6 +79,9 @@ func InitDB() {
 	case enum.Mysql.String():
 		sqlDB, err = gorm.Open(mysql.Open(constants.DATABASE_URL), ormConfig)
 		break
+	case enum.SQLServer.String():
+		sqlDB, err = gorm.Open(sqlserver.Open(constants.DATABASE_URL), ormConfig)
+		break
 	case enum.Arangodb.String():
 		arangodb, err := initArangodb()
 		if err != nil {

server/db/verificationRequests.go

@@ -31,6 +31,7 @@ func (mgr *manager) AddVerification(verification VerificationRequest) (Verificat
 		verification.Key = verification.ID
 		verification.ObjectID = verification.ID
 		result := mgr.sqlDB.Clauses(clause.OnConflict{
+			Columns:   []clause.Column{{Name: "email"}, {Name: "identifier"}},
 			DoUpdates: clause.AssignmentColumns([]string{"token", "expires_at"}),
 		}).Create(&verification)