Carlos Florêncio
50 lines
1.6 KiB
Go
50 lines
1.6 KiB
Go
package models
|
|
|
|
import (
|
|
"encoding/json"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
const SessionMetaKeyWorkflowParking = "workflow_parking"
|
|
|
|
// WorkflowParking records the workflow ownership of a session that was parked
|
|
// while another workflow step became the active destination. The marker is
|
|
// durable even when the source has no runtime after a restart.
|
|
type WorkflowParking struct {
|
|
Stamp string `json:"stamp"`
|
|
ParkedAt time.Time `json:"parked_at"`
|
|
WorkflowID string `json:"workflow_id"`
|
|
WorkflowStepID string `json:"workflow_step_id"`
|
|
RouteOperationID string `json:"route_operation_id"`
|
|
EntryIdentity string `json:"entry_identity"`
|
|
SourceSessionID string `json:"source_session_id"`
|
|
DestinationID string `json:"destination_session_id,omitempty"`
|
|
}
|
|
|
|
// LoadWorkflowParking decodes the bounded parking marker stored in session
|
|
// metadata. Invalid or incomplete values are unavailable to callers.
|
|
func LoadWorkflowParking(metadata map[string]interface{}) (WorkflowParking, bool) {
|
|
if metadata == nil {
|
|
return WorkflowParking{}, false
|
|
}
|
|
value, ok := metadata[SessionMetaKeyWorkflowParking]
|
|
if !ok || value == nil {
|
|
return WorkflowParking{}, false
|
|
}
|
|
payload, err := json.Marshal(value)
|
|
if err != nil {
|
|
return WorkflowParking{}, false
|
|
}
|
|
var parking WorkflowParking
|
|
if err := json.Unmarshal(payload, &parking); err != nil {
|
|
return WorkflowParking{}, false
|
|
}
|
|
if strings.TrimSpace(parking.Stamp) == "" ||
|
|
parking.ParkedAt.IsZero() ||
|
|
strings.TrimSpace(parking.SourceSessionID) == "" {
|
|
return WorkflowParking{}, false
|
|
}
|
|
return parking, true
|
|
}
|