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index.go
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/
index.go
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package db
import (
"fmt"
bolt "go.etcd.io/bbolt"
)
func RemoveIndex(slug string) error {
err := store.Update(func(tx *bolt.Tx) error {
ci := tx.Bucket([]byte("__contentIndex"))
if ci == nil {
return bolt.ErrBucketNotFound
}
err := ci.Delete([]byte(slug))
if err != nil {
return err
}
return nil
})
if err != nil {
return err
}
return nil
}
func CheckSlugForDuplicate(slug string) (string, error) {
// check for existing slug in __contentIndex
err := store.View(func(tx *bolt.Tx) error {
b := tx.Bucket([]byte("__contentIndex"))
if b == nil {
return bolt.ErrBucketNotFound
}
original := slug
exists := true
i := 0
for exists {
s := b.Get([]byte(slug))
if s == nil {
exists = false
return nil
}
i++
slug = fmt.Sprintf("%s-%d", original, i)
}
return nil
})
if err != nil {
return "", err
}
return slug, nil
}
func SetIndex(item KeyValue) error {
var err error
err = store.Update(func(tx *bolt.Tx) error {
b, err := tx.CreateBucketIfNotExists([]byte("__contentIndex"))
if err != nil {
return err
}
k := []byte(item.Key())
v := item.Value()
err = b.Put(k, v)
if err != nil {
return err
}
return nil
})
if err != nil {
return err
}
return nil
}