101 lines
1.7 KiB
Go
101 lines
1.7 KiB
Go
package data
|
|
|
|
import (
|
|
"github.com/boltdb/bolt"
|
|
)
|
|
|
|
var DB *bolt.DB
|
|
|
|
func OpenDB(path string) error {
|
|
db, err := bolt.Open(path, 0600, nil)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
DB = db
|
|
return nil
|
|
}
|
|
|
|
func InitDB() error {
|
|
return DB.Update(func(tx *bolt.Tx) error {
|
|
_, err := tx.CreateBucketIfNotExists([]byte("channels"))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
_, err = tx.CreateBucketIfNotExists([]byte("messages"))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
})
|
|
}
|
|
|
|
func WriteChannel(key []byte, value []byte) error {
|
|
return DB.Update(func(tx *bolt.Tx) error {
|
|
bucket, err := tx.CreateBucketIfNotExists([]byte("channels"))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = bucket.Put(key, value)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
})
|
|
}
|
|
|
|
func ReadChannel(key []byte) (*Channel, error) {
|
|
c := &Channel{}
|
|
err := DB.View(func(tx *bolt.Tx) error {
|
|
b := tx.Bucket([]byte("channels"))
|
|
v := b.Get(key)
|
|
if v == nil {
|
|
c = nil
|
|
return nil
|
|
}
|
|
err := c.Decode(v)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return c, nil
|
|
}
|
|
|
|
func WriteMessage(key []byte, value []byte) error {
|
|
return DB.Update(func(tx *bolt.Tx) error {
|
|
bucket, err := tx.CreateBucketIfNotExists([]byte("messages"))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = bucket.Put(key, value)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
})
|
|
}
|
|
|
|
func ReadMessage(key []byte) (*Message, error) {
|
|
m := &Message{}
|
|
err := DB.View(func(tx *bolt.Tx) error {
|
|
b := tx.Bucket([]byte("messages"))
|
|
v := b.Get(key)
|
|
if v == nil {
|
|
m = nil
|
|
return nil
|
|
}
|
|
err := m.Decode(v)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return m, nil
|
|
}
|