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list.go
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/
list.go
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package fragment
import (
"encoding/json"
"fmt"
"log"
)
type Tree map[string]Fragments
type Fragments map[string]List
type List []Interface
type Envelope struct {
Type string `json:"type"`
Value interface{}
}
func (fs *List) UnmarshalJSON(data []byte) error {
*fs = make(List, 0, 128)
raw := []Envelope{}
if data[0] == '{' {
data = append([]byte{byte('[')}, data...)
data = append(data, byte(']'))
}
err := json.Unmarshal(data, &raw)
if err != nil {
return err
}
for _, v := range raw {
n, err := decode(v.Type, v.Value)
if err != nil {
return err
}
(*fs) = append(*fs, n)
}
return nil
}
func decode(t string, value interface{}) (Interface, error) {
var n Interface
var err error
switch t {
case "StructuredText":
n, err = NewStructuredText(value)
case "Image":
n = new(Image)
case "Color":
n = new(Color)
case "Number":
n = new(Number)
case "Date":
n = new(Date)
case "Text":
n = new(Text)
case "Link.web":
n = new(Link)
case "Link.document":
n = new(Link)
case "Link.media":
n = new(Link)
case "Embed":
n = new(Embed)
case "Select":
n = new(Text)
case "GeoPoint":
n = new(GeoPoint)
case "Group":
n, err = NewGroup(value)
}
if err != nil {
return nil, err
}
if n == nil {
return nil, fmt.Errorf("goprismic: unable to decode fragment type %s", t)
}
err = n.Decode(t, value)
if err != nil {
log.Printf("goprismic: unable to decode fragment : %s\n", err)
return nil, err
}
return n, nil
}