53 lines
1.2 KiB
Go
53 lines
1.2 KiB
Go
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package main
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import (
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"encoding/json"
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"net/http"
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)
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type ApiError struct {
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Err string
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Status int
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}
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func (e ApiError) Error() string {
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return e.Err
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}
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type apiFunc func(http.ResponseWriter, *http.Request) error
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func MakeHTTPHandler(f apiFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if err := f(w, r); err != nil {
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if e, ok := err.(ApiError); ok {
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WriteJSON(w, e.Status, e)
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return
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}
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WriteJSON(w, 500, ApiError{Err: err.Error(), Status: http.StatusInternalServerError})
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return
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}
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}
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}
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func StatusAndContent(w http.ResponseWriter, status int, contentType string) {
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w.Header().Add("Content-Type", contentType)
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w.WriteHeader(status)
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}
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func WriteJSON(w http.ResponseWriter, status int, v any) error {
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StatusAndContent(w, status, "application/json")
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return json.NewEncoder(w).Encode(v)
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}
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func WritePlain(w http.ResponseWriter, status int, text string) error {
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StatusAndContent(w, status, "text/plain")
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_, err := w.Write([]byte(text))
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return err
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}
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func WriteBlob(w http.ResponseWriter, status int, contentType string, blob []byte) error {
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StatusAndContent(w, status, contentType)
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_, err := w.Write(blob)
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return err
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}
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