api/pkg/db/db.go

79 lines
2.3 KiB
Go

// Vikunja is a todo-list application to facilitate your life.
// Copyright 2019 Vikunja and contributors. All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package db
import (
"code.vikunja.io/api/pkg/config"
"code.vikunja.io/api/pkg/log"
"fmt"
"github.com/go-xorm/core"
"github.com/go-xorm/xorm"
"github.com/spf13/viper"
_ "github.com/go-sql-driver/mysql" // Because.
_ "github.com/mattn/go-sqlite3" // Because.
)
// CreateDBEngine initializes a db engine from the config
func CreateDBEngine() (engine *xorm.Engine, err error) {
// If the database type is not set, this likely means we need to initialize the config first
if viper.GetString("database.type") == "" {
config.InitConfig()
}
// Use Mysql if set
if viper.GetString("database.type") == "mysql" {
engine, err = initMysqlEngine()
if err != nil {
return
}
} else {
// Otherwise use sqlite
engine, err = initSqliteEngine()
if err != nil {
return
}
}
engine.SetMapper(core.GonicMapper{})
engine.ShowSQL(viper.GetString("log.database") != "off")
engine.SetLogger(xorm.NewSimpleLogger(log.GetLogWriter("database")))
return
}
func initMysqlEngine() (engine *xorm.Engine, err error) {
connStr := fmt.Sprintf(
"%s:%s@tcp(%s)/%s?charset=utf8&parseTime=true",
viper.GetString("database.user"),
viper.GetString("database.password"),
viper.GetString("database.host"),
viper.GetString("database.database"))
engine, err = xorm.NewEngine("mysql", connStr)
engine.SetMaxOpenConns(viper.GetInt("database.openconnections"))
return
}
func initSqliteEngine() (engine *xorm.Engine, err error) {
path := viper.GetString("database.path")
if path == "" {
path = "./db.db"
}
return xorm.NewEngine("sqlite3", path)
}