// Actions takes a list of ActionTags, and returns the full Action for
// each ID.
func (a *ActionAPI) Actions(arg params.Entities) (params.ActionResults, error) {
response := params.ActionResults{Results: make([]params.ActionResult, len(arg.Entities))}
for i, entity := range arg.Entities {
currentResult := &response.Results[i]
tag, err := names.ParseTag(entity.Tag)
if err != nil {
currentResult.Error = common.ServerError(common.ErrBadId)
continue
}
actionTag, ok := tag.(names.ActionTag)
if !ok {
currentResult.Error = common.ServerError(common.ErrBadId)
continue
}
action, err := a.state.ActionByTag(actionTag)
if err != nil {
currentResult.Error = common.ServerError(common.ErrBadId)
continue
}
receiverTag, err := names.ActionReceiverTag(action.Receiver())
if err != nil {
currentResult.Error = common.ServerError(err)
continue
}
response.Results[i] = common.MakeActionResult(receiverTag, action)
}
return response, nil
}
// Cancel attempts to cancel enqueued Actions from running.
func (a *ActionAPI) Cancel(arg params.Entities) (params.ActionResults, error) {
if err := a.check.ChangeAllowed(); err != nil {
return params.ActionResults{}, errors.Trace(err)
}
response := params.ActionResults{Results: make([]params.ActionResult, len(arg.Entities))}
for i, entity := range arg.Entities {
currentResult := &response.Results[i]
tag, err := names.ParseTag(entity.Tag)
if err != nil {
currentResult.Error = common.ServerError(common.ErrBadId)
continue
}
actionTag, ok := tag.(names.ActionTag)
if !ok {
currentResult.Error = common.ServerError(common.ErrBadId)
continue
}
action, err := a.state.ActionByTag(actionTag)
if err != nil {
currentResult.Error = common.ServerError(err)
continue
}
result, err := action.Finish(state.ActionResults{Status: state.ActionCancelled, Message: "action cancelled via the API"})
if err != nil {
currentResult.Error = common.ServerError(err)
continue
}
receiverTag, err := names.ActionReceiverTag(result.Receiver())
if err != nil {
currentResult.Error = common.ServerError(err)
continue
}
response.Results[i] = common.MakeActionResult(receiverTag, result)
}
return response, nil
}
func (a *ActionAPI) FindActionsByNames(arg params.FindActionsByNames) (params.ActionsByNames, error) {
response := params.ActionsByNames{Actions: make([]params.ActionsByName, len(arg.ActionNames))}
for i, name := range arg.ActionNames {
currentResult := &response.Actions[i]
currentResult.Name = name
actions, err := a.state.FindActionsByName(name)
if err != nil {
currentResult.Error = common.ServerError(err)
continue
}
for _, action := range actions {
recvTag, err := names.ActionReceiverTag(action.Receiver())
if err != nil {
currentResult.Actions = append(currentResult.Actions, params.ActionResult{Error: common.ServerError(err)})
continue
}
currentAction := common.MakeActionResult(recvTag, action)
currentResult.Actions = append(currentResult.Actions, currentAction)
}
}
return response, nil
}
// Enqueue takes a list of Actions and queues them up to be executed by
// the designated ActionReceiver, returning the params.Action for each
// enqueued Action, or an error if there was a problem enqueueing the
// Action.
func (a *ActionAPI) Enqueue(arg params.Actions) (params.ActionResults, error) {
if err := a.check.ChangeAllowed(); err != nil {
return params.ActionResults{}, errors.Trace(err)
}
tagToActionReceiver := common.TagToActionReceiverFn(a.state.FindEntity)
response := params.ActionResults{Results: make([]params.ActionResult, len(arg.Actions))}
for i, action := range arg.Actions {
currentResult := &response.Results[i]
receiver, err := tagToActionReceiver(action.Receiver)
if err != nil {
currentResult.Error = common.ServerError(err)
continue
}
enqueued, err := receiver.AddAction(action.Name, action.Parameters)
if err != nil {
currentResult.Error = common.ServerError(err)
continue
}
response.Results[i] = common.MakeActionResult(receiver.Tag(), enqueued)
}
return response, nil
}