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thumbnailer: display a static error image on failure

This commit is contained in:
mappu 2017-11-18 13:27:07 +13:00
parent a6e495f74d
commit 23ad509f33
6 changed files with 12 additions and 7 deletions
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19
thumb.go
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@ -39,18 +39,23 @@ func thumbnailer(t byte) (*thumbnail.Thumbnailer, error) {
}
func (this *Server) handleThumb(w http.ResponseWriter, r *http.Request, thumbnailType byte, fileId string) {
err := this.handleThumbInternal(w, thumbnailType, fileId)
t, err := thumbnailer(thumbnailType)
if err != nil {
log.Printf("%s Thumbnail failed: %s\n", this.remoteIP(r), err.Error())
http.Error(w, "Couldn't provide content", 500)
http.Error(w, err.Error(), 400)
return
}
err = this.handleThumbInternal(w, t, fileId)
if err != nil {
log.Printf("%s Thumbnail failed: %s\n", this.remoteIP(r), err.Error())
w.Header().Set(`Location`, fmt.Sprintf(`/nothumb_%d.png`, t.Height()))
w.WriteHeader(302)
}
}
func (this *Server) handleThumbInternal(w http.ResponseWriter, thumbnailType byte, fileId string) error {
t, err := thumbnailer(thumbnailType)
if err != nil {
return err
}
func (this *Server) handleThumbInternal(w http.ResponseWriter, t *thumbnail.Thumbnailer, fileId string) error {
// Load metadata
m, err := this.Metadata(fileId)