/
json.go
57 lines (47 loc) · 1.11 KB
/
json.go
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package api
import (
"bytes"
"encoding/json"
"log"
"net/http"
)
func fmtJSON(data ...json.RawMessage) ([]byte, error) {
var msg = []json.RawMessage{}
for _, d := range data {
msg = append(msg, d)
}
resp := map[string][]json.RawMessage{
"data": msg,
}
var buf = &bytes.Buffer{}
enc := json.NewEncoder(buf)
err := enc.Encode(resp)
if err != nil {
log.Println("Failed to encode data to JSON:", err)
return nil, err
}
return buf.Bytes(), nil
}
func toJSON(data []string) ([]byte, error) {
var buf = &bytes.Buffer{}
enc := json.NewEncoder(buf)
resp := map[string][]string{
"data": data,
}
err := enc.Encode(resp)
if err != nil {
log.Println("Failed to encode data to JSON:", err)
return nil, err
}
return buf.Bytes(), nil
}
// sendData should be used any time you want to communicate
// data back to a foreign client
func sendData(res http.ResponseWriter, req *http.Request, data []byte) {
res.Header().Set("Content-Type", "application/json")
res.Header().Set("Vary", "Accept-Encoding")
_, err := res.Write(data)
if err != nil {
log.Println("Error writing to response in sendData")
}
}