61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
// Package httpx holds the tiny JSON helpers shared by the public and admin APIs.
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package httpx
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import (
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"encoding/json"
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"io"
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"net/http"
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"strconv"
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)
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type ErrorResponse struct {
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Error string `json:"error"`
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}
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func WriteJSON(w http.ResponseWriter, status int, v any) {
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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w.WriteHeader(status)
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_ = json.NewEncoder(w).Encode(v)
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}
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func OK(w http.ResponseWriter, v any) { WriteJSON(w, http.StatusOK, v) }
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func Created(w http.ResponseWriter, v any) { WriteJSON(w, http.StatusCreated, v) }
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func Error(w http.ResponseWriter, status int, msg string) {
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WriteJSON(w, status, ErrorResponse{Error: msg})
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}
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func BadRequest(w http.ResponseWriter, msg string) { Error(w, http.StatusBadRequest, msg) }
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func NotFound(w http.ResponseWriter) { Error(w, http.StatusNotFound, "not found") }
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func Unauthorized(w http.ResponseWriter) { Error(w, http.StatusUnauthorized, "unauthorized") }
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func ServerError(w http.ResponseWriter, err error) {
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Error(w, http.StatusInternalServerError, err.Error())
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}
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func Decode(r *http.Request, dst any) error {
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body, err := io.ReadAll(io.LimitReader(r.Body, 8<<20))
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if err != nil {
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return err
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}
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if len(body) == 0 {
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return io.EOF
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}
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return json.Unmarshal(body, dst)
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}
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func QueryInt(r *http.Request, key string, def int) int {
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s := r.URL.Query().Get(key)
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if s == "" {
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return def
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}
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n, err := strconv.Atoi(s)
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if err != nil || n < 0 {
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return def
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}
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return n
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}
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func QueryString(r *http.Request, key string) string {
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return r.URL.Query().Get(key)
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}
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