forked from cozy/cozy-stack
/
encoding.go
70 lines (57 loc) · 1.37 KB
/
encoding.go
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package couchdb
import (
"encoding/json"
"net/url"
"github.com/google/go-querystring/query"
)
func maybeSet(u url.Values, k string, v interface{}) error {
if v == nil || v == "" {
return nil
}
b, err := json.Marshal(v)
if err != nil {
return err
}
u.Set(k, string(b))
return nil
}
// Values transforms a ViewRequest into a query string suitable for couchdb
// ie, where non-scalar fields have been JSON+URL encoded.
func (vr *ViewRequest) Values() (url.Values, error) {
var v url.Values
v, err := query.Values(vr)
if err != nil {
return nil, err
}
if err := maybeSet(v, "key", vr.Key); err != nil {
return nil, err
}
if err := maybeSet(v, "start_key", vr.StartKey); err != nil {
return nil, err
}
if err := maybeSet(v, "end_key", vr.EndKey); err != nil {
return nil, err
}
return v, nil
}
// Values transforms a AllDocsRequest into a query string suitable for couchdb
// ie, where non-scalar fields have been JSON+URL encoded.
func (adr *AllDocsRequest) Values() (url.Values, error) {
var v url.Values
v, err := query.Values(adr)
if err != nil {
return nil, err
}
if len(adr.Keys) > 0 {
if err := maybeSet(v, "keys", adr.Keys); err != nil {
return nil, err
}
}
if err := maybeSet(v, "startkey", adr.StartKey); err != nil {
return nil, err
}
if err := maybeSet(v, "endkey", adr.EndKey); err != nil {
return nil, err
}
return v, nil
}