//Delete deletes a TimeConfig from Datastore, emptying its Key field.
func (tc *TimeConfig) Delete(c appengine.Context) (err error) {
err = gaemodel.Delete(c, tc)
if err != nil {
return
}
err = config.UpdateTimestamp(c)
return
}
func (a *Activation) Delete(c appengine.Context) (err error) {
gaemodel.Delete(c, a)
if err != nil {
return
}
a.SetKey(nil)
return
}
//Delete deletes the presentation record from Datastore and
//its data file from Blobstore.
func (p *Presentation) Delete(c appengine.Context) (err error) {
err = action.DeleteFor(p, c)
if err != nil {
return
}
err = gaemodel.Delete(c, p)
if err != nil {
return
}
err = blobstore.Delete(c, p.BlobKey)
return
}