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package db
import (
"bytes"
"encoding/json"
"net/url"
"github.com/boltdb/bolt"
"github.com/gorilla/schema"
"github.com/nilslice/cms/system/admin/config"
)
// SetConfig sets key:value pairs in the db for configuration settings
func SetConfig(data url.Values) error {
err := store.Update(func(tx *bolt.Tx) error {
b := tx.Bucket([]byte("_config"))
cfg := &config.Config{}
dec := schema.NewDecoder()
dec.SetAliasTag("json") // allows simpler struct tagging when creating a content type
dec.IgnoreUnknownKeys(true) // will skip over form values submitted, but not in struct
err := dec.Decode(cfg, data)
if err != nil {
return err
}
j, err := json.Marshal(cfg)
if err != nil {
return err
}
err = b.Put([]byte("settings"), j)
if err != nil {
return err
}
return nil
})
if err != nil {
return err
}
return nil
}
// Config gets the value of a key in the configuration from the db
func Config(key string) ([]byte, error) {
kv := make(map[string]interface{})
cfg, err := ConfigAll()
if err != nil {
return nil, err
}
err = json.Unmarshal(cfg, &kv)
if err != nil {
return nil, err
}
return []byte(kv[key].(string)), nil
}
// ConfigAll gets the configuration from the db
func ConfigAll() ([]byte, error) {
val := &bytes.Buffer{}
err := store.View(func(tx *bolt.Tx) error {
b := tx.Bucket([]byte("_config"))
val.Write(b.Get([]byte("settings")))
return nil
})
if err != nil {
return nil, err
}
return val.Bytes(), nil
}
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