Files
summercms/modules/wire/response.go
Jakub Zych 5e50b166ef refactor(10.2-01): nest framework packages under modules
- Move remaining beach packages and embedded admin assets\n- Rewrite framework, example, build, and gate paths
2026-09-28 02:21:02 +02:00

91 lines
2.1 KiB
Go

package wire
import (
"bytes"
"encoding/json"
"net/http"
"time"
)
// WriteJSON encodes v as JSON with HTML escaping disabled and no trailing
// newline, matching the PHP json_encode body shape used by house handlers.
func WriteJSON(w http.ResponseWriter, status int, v any) {
var buf bytes.Buffer
enc := json.NewEncoder(&buf)
enc.SetEscapeHTML(false)
if err := enc.Encode(v); err != nil {
WriteOpaque500(w)
return
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(status)
_, _ = w.Write(bytes.TrimSuffix(buf.Bytes(), []byte("\n")))
}
// WriteOpaque500 writes the house opaque 500 body.
func WriteOpaque500(w http.ResponseWriter) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusInternalServerError)
_, _ = w.Write([]byte(`{"error":true,"message":"Internal server error"}`))
}
// Time marshals as Carbon's +00:00 form (2006-01-02T15:04:05+00:00), never
// Go's default "Z". Unmarshal accepts both +00:00 and Z for read paths.
type Time struct{ time.Time }
const (
carbonLayout = "2006-01-02T15:04:05-07:00"
rfc3339Z = time.RFC3339
)
func (t Time) MarshalJSON() ([]byte, error) {
s := t.UTC().Format("2006-01-02T15:04:05") + "+00:00"
return []byte(`"` + s + `"`), nil
}
func (t *Time) UnmarshalJSON(b []byte) error {
if t == nil {
return nil
}
if string(b) == "null" {
t.Time = time.Time{}
return nil
}
var s string
if err := json.Unmarshal(b, &s); err != nil {
return err
}
var err error
for _, layout := range []string{carbonLayout, rfc3339Z} {
var parsed time.Time
parsed, err = time.Parse(layout, s)
if err == nil {
t.Time = parsed
return nil
}
}
return err
}
// TriBool keeps PHP's nullable-boolean tri-state: Valid=false marshals null.
type TriBool struct{ Valid, Value bool }
func (b TriBool) MarshalJSON() ([]byte, error) {
if !b.Valid {
return []byte("null"), nil
}
if b.Value {
return []byte("true"), nil
}
return []byte("false"), nil
}
// Slice returns s unchanged if non-nil, else a non-nil empty slice that
// marshals to [].
func Slice[T any](s []T) []T {
if s == nil {
return []T{}
}
return s
}