diff options
Diffstat (limited to 'handler.go')
-rw-r--r-- | handler.go | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/handler.go b/handler.go new file mode 100644 index 0000000..d710b2a --- /dev/null +++ b/handler.go @@ -0,0 +1,65 @@ +package main + +import ( + "github.com/gorilla/sessions" + "html/template" + "kch42.de/gostuff/mailremind/model" + "log" + "net/http" +) + +type Handler func(user model.User, sess *sessions.Session, req *http.Request) interface{} + +func getSess(req *http.Request) (*sessions.Session, error) { + sess, err := SessionStorage.Get(req, "mailremind-sess") + if err != nil { + sess, err = SessionStorage.New(req, "mailremind-sess") + } + + return sess, err +} + +func userFromSess(sess *sessions.Session) model.User { + _id, ok := sess.Values["uid"] + if !ok { + return nil + } + + id, ok := _id.(string) + if !ok { + return nil + } + + uid, err := db.ParseDBID(id) + if err != nil { + return nil + } + + user, err := dbcon.UserByID(uid) + if err != nil { + return nil + } + + return user +} + +func mkHttpHandler(h Handler, tpl *template.Template) http.HandlerFunc { + return func(rw http.ResponseWriter, req *http.Request) { + sess, err := getSess(req) + if err != nil { + log.Printf("Error while getting session: %s", err) + rw.Write([]byte("Unable to create session")) // TODO: Better error message... + } + + user := userFromSess(sess) + outdata := h(user, sess, req) + + if err := sess.Save(req, rw); err != nil { + log.Printf("Error while saving session: %s", err) + } + + if err := tpl.Execute(rw, outdata); err != nil { + log.Printf("Error executing template %s: %s", tpl.Name, err) + } + } +} |