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contact_field_changed.go
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contact_field_changed.go
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package events
import (
"fmt"
"github.com/nyaruka/goflow/flows"
)
// TypeContactFieldChanged is the type of our save to contact event
const TypeContactFieldChanged string = "contact_field_changed"
// ContactFieldChangedEvent events are created when a contact field is updated.
//
// {
// "type": "contact_field_changed",
// "created_on": "2006-01-02T15:04:05Z",
// "field": {"key": "gender", "name": "Gender"},
// "value": "Male"
// }
//
// @event contact_field_changed
type ContactFieldChangedEvent struct {
baseEvent
callerOrEngineEvent
Field *flows.FieldReference `json:"field" validate:"required"`
Value string `json:"value" validate:"required"`
}
// NewContactFieldChangedEvent returns a new save to contact event
func NewContactFieldChangedEvent(field *flows.FieldReference, value string) *ContactFieldChangedEvent {
return &ContactFieldChangedEvent{
baseEvent: newBaseEvent(),
Field: field,
Value: value,
}
}
// Type returns the type of this event
func (e *ContactFieldChangedEvent) Type() string { return TypeContactFieldChanged }
// Validate validates our event is valid and has all the assets it needs
func (e *ContactFieldChangedEvent) Validate(assets flows.SessionAssets) error {
_, err := assets.GetField(e.Field.Key)
return err
}
// Apply applies this event to the given run
func (e *ContactFieldChangedEvent) Apply(run flows.FlowRun) error {
if run.Contact() == nil {
return fmt.Errorf("can't apply event in session without a contact")
}
field, err := run.Session().Assets().GetField(e.Field.Key)
if err != nil {
return err
}
run.Contact().SetFieldValue(run.Environment(), field, e.Value)
return run.Contact().UpdateDynamicGroups(run.Session())
}