func ArticlePermaLinkHandler(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
vars := mux.Vars(r)
id, err := strconv.ParseInt(vars["id"], 10, 64)
if err != nil {
core.HandleError(c, w, err)
return
}
article, err := GetArticleById(c, id, true)
if err != nil {
core.HandleNotFound(c, w)
return
}
if !article.IsPublic {
user := auth.CurrentUser(c)
if !user.IsAdmin {
core.HandleAuthRequired(c, w)
return
}
}
redirectTo, err := article.URL()
if err != nil {
core.HandleNotFound(c, w)
return
}
http.Redirect(w, r, redirectTo.Path, 302)
}
func ArticleDeleteHandler(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
user := core.AdminUser(c, w)
if user == nil {
return
}
vars := mux.Vars(r)
id, err := strconv.ParseInt(vars["id"], 10, 64)
if err != nil {
core.HandleError(c, w, err)
return
}
article, err := GetArticleById(c, id, false)
if err != nil {
core.HandleNotFound(c, w)
return
}
err = DeleteArticle(c, article)
if err != nil {
core.HandleError(c, w, err)
return
}
http.Redirect(w, r, "/", 302)
}
func ArticleUpdateHandler(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
user := core.AdminUser(c, w)
if user == nil {
return
}
vars := mux.Vars(r)
id, err := strconv.ParseInt(vars["id"], 10, 64)
if err != nil {
core.HandleError(c, w, err)
return
}
article, err := GetArticleById(c, id, false)
if err != nil {
core.HandleNotFound(c, w)
return
}
form := NewArticleForm(article)
if r.Method == "POST" {
if err := r.ParseForm(); err != nil {
core.HandleError(c, w, err)
return
}
if gforms.IsFormValid(form, r.Form) {
err := UpdateArticle(c, article,
form.Title.Value(),
form.Text.Value(),
form.IsPublic.Value(),
)
if err != nil {
core.HandleError(c, w, err)
return
}
redirectTo, err := article.URL()
if err != nil {
core.HandleError(c, w, err)
return
}
http.Redirect(w, r, redirectTo.Path, 302)
}
}
context := map[string]interface{}{
"article": article,
"form": form,
}
core.RenderTemplate(c, w, context,
"templates/blog/articleUpdate.html", "templates/blog/articleForm.html", LAYOUT)
}
func ArticleHandler(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
user := auth.CurrentUser(c)
vars := mux.Vars(r)
id, err := strconv.ParseInt(vars["id"], 10, 64)
if err != nil {
core.HandleError(c, w, err)
return
}
article, err := GetArticleById(c, id, !user.IsAdmin)
if err != nil {
core.HandleNotFound(c, w)
return
}
if !article.IsPublic && !user.IsAdmin {
core.HandleAuthRequired(c, w)
return
}
viewedArticles := make([]string, 0)
if cookie, err := r.Cookie("viewedArticles"); err != http.ErrNoCookie {
viewedArticles = strings.Split(cookie.Value, ",")
}
articleID := strconv.FormatInt(article.Key().IntID(), 32)
if !isViewedArticle(viewedArticles, articleID) {
viewedArticles = append(viewedArticles, articleID)
http.SetCookie(w, &http.Cookie{
Name: "viewedArticles",
Value: strings.Join(viewedArticles, ","),
Path: "/",
Expires: time.Now().Add(time.Duration(30*24) * time.Hour),
})
if err := ChangeArticleViewsCount(c, article.Key(), +1); err != nil {
core.HandleError(c, w, err)
return
}
}
context := tmplt.Context{"article": article}
core.RenderTemplate(c, w, context, "templates/blog/article.html", LAYOUT)
}