func developerHandler(w io.Writer, r *http.Request) error {
ctx := appengine.NewContext(r)
if r.Method == "GET" {
p, err := NewPage(ctx, "developer", nil)
if err != nil {
return fmt.Errorf("create developer page: %v", err)
}
return p.Render(w)
}
if r.Method != "POST" {
return fmt.Errorf("unsupported method %v", r.Method)
}
switch {
case r.FormValue("deleteall") == "yes":
kind := r.FormValue("kind")
keys, err := datastore.NewQuery(kind).KeysOnly().GetAll(ctx, nil)
if err != nil {
return fmt.Errorf("get keys to delete: %v", err)
}
if err := datastore.DeleteMulti(ctx, keys); err != nil {
return fmt.Errorf("delete keys: %v", err)
}
case len(r.FormValue("announcement")) > 0:
a := conf.NewAnnouncement(r.FormValue("announcement"))
if err := a.Save(ctx); err != nil {
return err
}
}
return RedirectTo("/developer")
}
func saveConfHandler(w io.Writer, r *http.Request, ctx appengine.Context, u *user.User) error {
c, err := confFromRequest(r)
if err != nil {
return fmt.Errorf("conf from request: %v", err)
}
err = datastore.RunInTransaction(ctx, func(ctx appengine.Context) error {
// Save the conference and generate the tickets
if err := c.Save(ctx); err != nil {
return fmt.Errorf("save conference: %v", err)
}
if err := c.CreateAndSaveTickets(ctx); err != nil {
return fmt.Errorf("generate tickets: %v", err)
}
// Announce the conference
a := conf.NewAnnouncement(fmt.Sprintf(
"A new conference has just been scheduled! %s in %s. Don't wait; book now!",
c.Name, c.City))
if err := a.Save(ctx); err != nil {
return fmt.Errorf("announce conference: %v", err)
}
// Queue a task to email interested users.
task := taskqueue.NewPOSTTask(
"/notifyinterestedusers",
url.Values{"conf_id": []string{c.ID()}},
)
if _, err = taskqueue.Add(ctx, task, ""); err != nil {
return fmt.Errorf("add task to default queue: %v", err)
}
// Queue a task to review the conference.
task = &taskqueue.Task{
Method: "PULL",
Payload: []byte(c.ID()),
}
task, err := taskqueue.Add(ctx, task, "review-conference-queue")
if err != nil {
return fmt.Errorf("add task to review queue: %v", err)
}
return nil
}, &datastore.TransactionOptions{XG: true})
if err != nil {
return err
}
return RedirectTo("/showtickets?conf_id=" + url.QueryEscape(c.ID()))
}