Exemple #1
0
func DeleteTag(w http.ResponseWriter, r *http.Request, cfg config.Configuration, ctx model.Context) {
	var err error
	params := mux.Vars(r)

	t := model.Tag{}

	err = t.SetTag(params["tag"])
	if err != nil {
		ctx.Log.Println(err)
		http.Error(w, "Invalid tag", 400)
		return
	}
	t.SetTagDir(cfg.Filedir)

	// Tag does not exist
	if t.TagDirExists() == false {
		http.Error(w, "Tag Not Found", 404)
		return
	}

	t.List(cfg.Baseurl)
	if err != nil {
		ctx.Log.Println(err)
		http.Error(w, "Internal Server Error", 500)
		return
	}

	if cfg.TriggerDeleteTag != "" {
		ctx.Log.Println("Executing trigger: Delete tag")
		triggerDeleteTagHandler(cfg.TriggerDeleteTag, t.Tag)
	}

	// Tag exists, so let's remove it.
	err = t.Remove()
	if err != nil {
		ctx.Log.Println(err)
		http.Error(w, "Internal Server Error", 500)
		return
	}

	// Verify that the tag directory is removed before sending the response.
	if t.TagDirExists() == true {
		// Failsafe. This should not happen.
		ctx.Log.Println("Failed to delete the tag. The tag dir still exists.")
		http.Error(w, "Internal Server Error", 500)
		return
	}

	// Purging any old content
	if cfg.CacheInvalidation {
		for _, f := range t.Files {
			if err := f.Purge(); err != nil {
				ctx.Log.Println(err)
			}
		}
	}

	ctx.Log.Println("Tag deleted successfully.")
	http.Error(w, "Tag Deleted Successfully", 200)
	return

}