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// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package install
import (
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/setting"
"xorm.io/xorm"
)
func getXORMEngine() *xorm.Engine {
return db.DefaultContext.(*db.Context).Engine().(*xorm.Engine)
}
// CheckDatabaseConnection checks the database connection
func CheckDatabaseConnection() error {
e := db.GetEngine(db.DefaultContext)
_, err := e.Exec("SELECT 1")
return err
}
// GetMigrationVersion gets the database migration version
func GetMigrationVersion() (int64, error) {
var installedDbVersion int64
x := getXORMEngine()
exist, err := x.IsTableExist("version")
if err != nil {
return 0, err
}
if !exist {
return 0, nil
}
_, err = x.Table("version").Cols("version").Get(&installedDbVersion)
if err != nil {
return 0, err
}
return installedDbVersion, nil
}
// HasPostInstallationUsers checks whether there are users after installation
func HasPostInstallationUsers() (bool, error) {
x := getXORMEngine()
exist, err := x.IsTableExist("user")
if err != nil {
return false, err
}
if !exist {
return false, nil
}
// if there are 2 or more users in database, we consider there are users created after installation
threshold := 2
if !setting.IsProd {
// to debug easily, with non-prod RUN_MODE, we only check the count to 1
threshold = 1
}
res, err := x.Table("user").Cols("id").Limit(threshold).Query()
if err != nil {
return false, err
}
return len(res) >= threshold, nil
}
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