// Execute trigger content negottion and the actual execution of one of the
// action's handlers.
func (base *Base) Execute(action interface{}) {
contentType := render.Negotiate(base.Ctx, base.R)
switch contentType {
case render.MimeHal, render.MimeJSON:
action, ok := action.(JSON)
if !ok {
goto NotAcceptable
}
action.JSON()
if base.Err != nil {
problem.Render(base.Ctx, base.W, base.Err)
return
}
case render.MimeEventStream:
action, ok := action.(SSE)
if !ok {
goto NotAcceptable
}
stream, ok := sse.NewStream(base.Ctx, base.W, base.R)
if !ok {
return
}
for {
action.SSE(stream)
if stream.IsDone() {
return
}
select {
case <-base.Ctx.Done():
return
case <-sse.Pumped():
//no-op, continue onto the next iteration
}
}
default:
goto NotAcceptable
}
return
NotAcceptable:
problem.Render(base.Ctx, base.W, problem.NotAcceptable)
return
}
// ServeHTTPC is a method for web.Handler
func (action RateLimitExceededAction) ServeHTTP(w http.ResponseWriter, r *http.Request) {
ap := &action.Action
c := web.C{
Env: map[interface{}]interface{}{
"app": action.App,
},
}
ap.Prepare(c, w, r)
ap.App = action.App
problem.Render(action.Ctx, action.W, problem.RateLimitExceeded)
}
// JSON is a method for actions.JSON
func (action *NotImplementedAction) JSON() {
problem.Render(action.Ctx, action.W, problem.NotImplemented)
}
// JSON is a method for actions.JSON
func (action *NotFoundAction) JSON() {
problem.Render(action.Ctx, action.W, problem.NotFound)
}