vorteil/direktiv

package model

import (
    "errors"
    "fmt"
)

type EventsAndState struct {
    StateCommon `yaml:",inline"`
    Events      []ConsumeEventDefinition `yaml:"events"`
    Timeout     string                   `yaml:"timeout,omitempty"`
    Transform   interface{}              `yaml:"transform,omitempty"`
    Transition  string                   `yaml:"transition,omitempty"`
}

func (o *EventsAndState) GetID() string {
    return o.ID
}

func (o *EventsAndState) getTransitions() map[string]string {
    transitions := make(map[string]string)
    if o.Transition != "" {
        transitions["transition"] = o.Transition
    }

    for i, errDef := range o.ErrorDefinitions() {
        if errDef.Transition != "" {
            transitions[fmt.Sprintf("errors[%v]", i)] = errDef.Transition
        }
    }

    return transitions
}

func (o *EventsAndState) GetTransitions() []string {
    transitions := make([]string, 0)
    if o.Transition != "" {
        transitions = append(transitions, o.Transition)
    }

    for _, errDef := range o.ErrorDefinitions() {
        if errDef.Transition != "" {
            transitions = append(transitions, errDef.Transition)
        }
    }

    return transitions
}

func (o *EventsAndState) GetEvents() []ConsumeEventDefinition {
    if o.Events == nil {
        return make([]ConsumeEventDefinition, 0)
    }

    return o.Events
}

func (o *EventsAndState) Validate() error {
    if err := o.commonValidate(); err != nil {
        return err
    }

    if o.Timeout != "" && !isISO8601(o.Timeout) {
        return errors.New("timeout is not a ISO8601 string")
    }

    if len(o.GetEvents()) == 0 {
        return errors.New("at least one event is required")
    }

    for i, event := range o.GetEvents() {
        if err := event.Validate(); err != nil {
            return fmt.Errorf("event[%v] is invalid: %w", i, err)
        }
    }

    for i, errDef := range o.ErrorDefinitions() {
        if err := errDef.Validate(); err != nil {
            return fmt.Errorf("catch[%v] is invalid: %w", i, err)
        }
    }

    return nil
}