mirror of https://github.com/jlelse/GoBlog
35 lines
729 B
Go
35 lines
729 B
Go
package main
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import (
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"fmt"
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"net/http"
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"strings"
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)
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type errorData struct {
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Title string
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Message string
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}
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func serve404(w http.ResponseWriter, r *http.Request) {
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serveError(w, r, fmt.Sprintf("%s was not found", r.RequestURI), http.StatusNotFound)
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}
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func serveError(w http.ResponseWriter, r *http.Request, message string, status int) {
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if !strings.Contains(strings.ToLower(r.Header.Get("Accept")), contentTypeHTML) {
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http.Error(w, message, status)
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return
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}
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title := fmt.Sprintf("%d %s", status, http.StatusText(status))
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if message == "" {
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message = http.StatusText(status)
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}
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render(w, templateError, &renderData{
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Data: &errorData{
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Title: title,
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Message: message,
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},
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})
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w.WriteHeader(status)
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}
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