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comply/internal/model/db.go
2018-05-15 14:13:11 -07:00

37 lines
1.0 KiB
Go

package model
import (
"os"
"path/filepath"
"sync"
"github.com/nanobox-io/golang-scribble"
"github.com/strongdm/comply/internal/config"
)
var dbSingletonOnce sync.Once
var dbSingleton *scribble.Driver
// DB provides a singleton reference to a local json cache; will panic if storage location is not writeable.
func DB() *scribble.Driver {
dbSingletonOnce.Do(func() {
if _, err := os.Stat(filepath.Join(config.ProjectRoot(), ".comply", "cache")); os.IsNotExist(err) {
err = os.Mkdir(filepath.Join(config.ProjectRoot(), ".comply"), os.FileMode(0755))
if err != nil {
panic("could not create directory .comply: " + err.Error())
}
err = os.Mkdir(filepath.Join(config.ProjectRoot(), ".comply", "cache"), os.FileMode(0755))
if err != nil {
panic("could not create directory .comply/cache: " + err.Error())
}
}
db, err := scribble.New(filepath.Join(config.ProjectRoot(), ".comply", "cache"), nil)
if err != nil {
panic("unable to load comply data: " + err.Error())
}
dbSingleton = db
})
return dbSingleton
}