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play_audio.go
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play_audio.go
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package actions
import (
"strings"
"github.com/nyaruka/gocommon/uuids"
"github.com/nyaruka/goflow/envs"
"github.com/nyaruka/goflow/flows"
"github.com/nyaruka/goflow/flows/events"
)
func init() {
registerType(TypePlayAudio, func() flows.Action { return &PlayAudioAction{} })
}
// TypePlayAudio is the type for the play audio action
const TypePlayAudio string = "play_audio"
// PlayAudioAction can be used to play an audio recording in a voice flow. It will generate an
// [event:ivr_created] event if there is a valid audio URL. This will contain a message which
// the caller should handle as an IVR play command using the audio attachment.
//
// {
// "uuid": "8eebd020-1af5-431c-b943-aa670fc74da9",
// "type": "play_audio",
// "audio_url": "http://uploads.temba.io/2353262.m4a"
// }
//
// @action play_audio
type PlayAudioAction struct {
baseAction
voiceAction
AudioURL string `json:"audio_url" validate:"required" engine:"localized,evaluated"`
}
// NewPlayAudio creates a new play message action
func NewPlayAudio(uuid flows.ActionUUID, audioURL string) *PlayAudioAction {
return &PlayAudioAction{
baseAction: newBaseAction(TypePlayAudio, uuid),
AudioURL: audioURL,
}
}
// Execute runs this action
func (a *PlayAudioAction) Execute(run flows.FlowRun, step flows.Step, logModifier flows.ModifierCallback, logEvent flows.EventCallback) error {
// localize and evaluate audio URL
localizedAudioURL := run.GetText(uuids.UUID(a.UUID()), "audio_url", a.AudioURL)
evaluatedAudioURL, err := run.EvaluateTemplate(localizedAudioURL)
if err != nil {
logEvent(events.NewError(err))
return nil
}
evaluatedAudioURL = strings.TrimSpace(evaluatedAudioURL)
if evaluatedAudioURL == "" {
logEvent(events.NewErrorf("audio URL evaluated to empty, skipping"))
return nil
}
// an IVR flow must have been started with a connection
connection := run.Session().Trigger().Connection()
// if we have an audio URL, turn it into a message
msg := flows.NewIVRMsgOut(connection.URN(), connection.Channel(), "", envs.NilLanguage, evaluatedAudioURL)
logEvent(events.NewIVRCreated(msg))
return nil
}