sharded-gotify/database/database.go

68 lines
2.1 KiB
Go

package database
import (
"os"
"path/filepath"
"github.com/gotify/server/auth/password"
"github.com/gotify/server/model"
"github.com/jinzhu/gorm"
_ "github.com/jinzhu/gorm/dialects/mysql" // enable the mysql dialect
_ "github.com/jinzhu/gorm/dialects/postgres" // enable the postgres dialect
_ "github.com/jinzhu/gorm/dialects/sqlite" // enable the sqlite3 dialect
)
var mkdirAll = os.MkdirAll
// New creates a new wrapper for the gorm database framework.
func New(dialect, connection, defaultUser, defaultPass string, strength int, createDefaultUser bool) (*GormDatabase, error) {
createDirectoryIfSqlite(dialect, connection)
db, err := gorm.Open(dialect, connection)
if err != nil {
return nil, err
}
// We normally don't need that much connections, so we limit them. F.ex. mysql complains about
// "too many connections", while load testing Gotify.
db.DB().SetMaxOpenConns(10)
if dialect == "sqlite3" {
// We use the database connection inside the handlers from the http
// framework, therefore concurrent access occurs. Sqlite cannot handle
// concurrent writes, so we limit sqlite to one connection.
// see https://github.com/mattn/go-sqlite3/issues/274
db.DB().SetMaxOpenConns(1)
}
if !db.HasTable(new(model.User)) && !db.HasTable(new(model.Message)) &&
!db.HasTable(new(model.Client)) && !db.HasTable(new(model.Application)) {
db.AutoMigrate(new(model.User), new(model.Application), new(model.Message), new(model.Client))
if createDefaultUser {
db.Create(&model.User{Name: defaultUser, Pass: password.CreatePassword(defaultPass, strength), Admin: true})
}
}
return &GormDatabase{DB: db}, nil
}
func createDirectoryIfSqlite(dialect string, connection string) {
if dialect == "sqlite3" {
if _, err := os.Stat(filepath.Dir(connection)); os.IsNotExist(err) {
if err := mkdirAll(filepath.Dir(connection), 0777); err != nil {
panic(err)
}
}
}
}
// GormDatabase is a wrapper for the gorm framework.
type GormDatabase struct {
DB *gorm.DB
}
// Close closes the gorm database connection.
func (d *GormDatabase) Close() {
d.DB.Close()
}