85 lines
2.5 KiB
Go
85 lines
2.5 KiB
Go
package core
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import (
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"fmt"
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"net/http"
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)
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// Flash adds a flash message to the user's session.
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func (b *Blog) Flash(w http.ResponseWriter, r *http.Request, message string, args ...interface{}) {
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session := b.Session(r)
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session.AddFlash(fmt.Sprintf(message, args...))
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session.Save(r, w)
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}
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// FlashAndRedirect flashes and redirects in one go.
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func (b *Blog) FlashAndRedirect(w http.ResponseWriter, r *http.Request, location, message string, args ...interface{}) {
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b.Flash(w, r, message, args...)
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b.Redirect(w, location)
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}
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// FlashAndReload flashes and sends a redirect to the same path.
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func (b *Blog) FlashAndReload(w http.ResponseWriter, r *http.Request, message string, args ...interface{}) {
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b.Flash(w, r, message, args...)
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b.Redirect(w, r.URL.Path)
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}
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// Redirect sends an HTTP redirect response.
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func (b *Blog) Redirect(w http.ResponseWriter, location string) {
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log.Error("Redirect: %s", location)
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w.Header().Set("Location", location)
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w.WriteHeader(http.StatusFound)
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}
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// NotFound sends a 404 response.
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func (b *Blog) NotFound(w http.ResponseWriter, r *http.Request, message ...string) {
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if len(message) == 0 {
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message = []string{"The page you were looking for was not found."}
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}
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w.WriteHeader(http.StatusNotFound)
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err := b.RenderTemplate(w, r, ".errors/404", &Vars{
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Message: message[0],
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})
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if err != nil {
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log.Error(err.Error())
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w.Write([]byte("Unrecoverable template error for NotFound()"))
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}
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}
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// Forbidden sends an HTTP 403 Forbidden response.
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func (b *Blog) Forbidden(w http.ResponseWriter, r *http.Request, message ...string) {
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w.WriteHeader(http.StatusForbidden)
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err := b.RenderTemplate(w, r, ".errors/403", &Vars{
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Message: message[0],
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})
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if err != nil {
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log.Error(err.Error())
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w.Write([]byte("Unrecoverable template error for Forbidden()"))
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}
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}
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// Error sends an HTTP 500 Internal Server Error response.
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func (b *Blog) Error(w http.ResponseWriter, r *http.Request, message ...string) {
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w.WriteHeader(http.StatusInternalServerError)
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err := b.RenderTemplate(w, r, ".errors/500", &Vars{
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Message: message[0],
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})
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if err != nil {
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log.Error(err.Error())
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w.Write([]byte("Unrecoverable template error for Error()"))
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}
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}
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// BadRequest sends an HTTP 400 Bad Request.
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func (b *Blog) BadRequest(w http.ResponseWriter, r *http.Request, message ...string) {
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w.WriteHeader(http.StatusBadRequest)
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err := b.RenderTemplate(w, r, ".errors/400", &Vars{
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Message: message[0],
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})
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if err != nil {
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log.Error(err.Error())
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w.Write([]byte("Unrecoverable template error for BadRequest()"))
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}
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}
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