Files
chis_osi/pipeline/health_record_upsert.go

324 lines
11 KiB
Go

package pipeline
import (
"context"
"crypto/sha256"
"errors"
"fmt"
"strings"
"time"
"chis_osi/contract"
"chis_osi/mapping"
"chis_osi/osi"
"chis_osi/source"
)
type Status string
const (
StatusDone Status = "done"
StatusRetry Status = "retry"
StatusFailed Status = "failed"
StatusManualReview Status = "manual_review"
)
type Action string
const (
ActionNone Action = "none"
ActionCreate Action = "create"
ActionUpdate Action = "update"
ActionSkip Action = "skip"
)
type Outcome struct {
Status Status `json:"status"`
Action Action `json:"action"`
Reason string `json:"reason,omitempty"`
ServiceID string `json:"serviceId,omitempty"`
ResponseCode string `json:"responseCode,omitempty"`
PHRIDHint string `json:"phrIdHint,omitempty"`
}
type UpsertEvent struct {
TraceID string
Status Status
Action Action
Reason string
ServiceID string
ResponseCode string
PHRIDHint string
}
type PHISStatusUpdate struct {
SourceRecordID string
BusinessID string
Status Status
Reason string
}
type UpdateTarget struct {
PHRID string
EMPIID string
CheckID string
IDCard string
ManaUnitID string
ManaDoctorID string
Status string
}
type Converter interface {
ConvertHealthRecord(source.HealthRecordTask) (contract.HealthRecordCreate, []mapping.ValidationError)
}
type ConverterFunc func(source.HealthRecordTask) (contract.HealthRecordCreate, []mapping.ValidationError)
func (f ConverterFunc) ConvertHealthRecord(task source.HealthRecordTask) (contract.HealthRecordCreate, []mapping.ValidationError) {
return f(task)
}
type HealthRecordClient interface {
FindHealthRecord(context.Context, osi.FindHealthRecordQuery) ([]contract.FindHealthRecord, osi.Result, error)
CreateHealthRecord(context.Context, contract.HealthRecordCreate) (contract.HealthRecordSaveResult, osi.Result, error)
UpdateHealthRecord(context.Context, contract.HealthRecordCreate) (contract.HealthRecordSaveResult, osi.Result, error)
}
type IdempotencyStore interface {
Acquire(context.Context, string) (IdempotencyLease, error)
Complete(context.Context, string, string) error
Release(context.Context, string, string) error
}
type IdempotencyState string
const (
IdempotencyAcquired IdempotencyState = "acquired"
IdempotencyCompleted IdempotencyState = "completed"
IdempotencyInProgress IdempotencyState = "in_progress"
)
type IdempotencyLease struct {
State IdempotencyState
Token string
}
type NotificationError struct {
Event *UpsertEvent
Update *PHISStatusUpdate
PriorErr error
ReportErr error
StatusErr error
}
func (e *NotificationError) Error() string {
return "finish upsert side effects: " + e.Unwrap().Error()
}
func (e *NotificationError) Unwrap() error { return errors.Join(e.PriorErr, e.ReportErr, e.StatusErr) }
type ReportSink interface {
Publish(context.Context, UpsertEvent) error
}
type PHISStatusWriter interface {
WriteStatus(context.Context, PHISStatusUpdate) error
}
type Dependencies struct {
Converter Converter
Client HealthRecordClient
Idempotency IdempotencyStore
Reports ReportSink
PHISStatuses PHISStatusWriter
}
type HealthRecordUpsertService struct {
deps Dependencies
}
const idempotencyCleanupTimeout = 5 * time.Second
func NewHealthRecordUpsertService(deps Dependencies) *HealthRecordUpsertService {
return &HealthRecordUpsertService{deps: deps}
}
func (s *HealthRecordUpsertService) Upsert(ctx context.Context, task source.HealthRecordTask) (Outcome, error) {
if err := s.validateDependencies(); err != nil {
return Outcome{}, err
}
req, validationErrors := s.deps.Converter.ConvertHealthRecord(task)
if len(validationErrors) > 0 {
return s.finish(ctx, task, Outcome{Status: StatusFailed, Action: ActionNone, Reason: "mapping validation failed: " + validationErrors[0].Field})
}
idempotencyKey := healthRecordIdempotencyKey(req.HealthRecord.CheckID, req.HealthRecord.IDCard)
lease, err := s.deps.Idempotency.Acquire(ctx, idempotencyKey)
if err != nil {
return s.finish(ctx, task, Outcome{Status: StatusRetry, Action: ActionNone, Reason: "idempotency lookup failed"}, err)
}
if lease.State == IdempotencyCompleted {
return s.finish(ctx, task, Outcome{Status: StatusDone, Action: ActionSkip, Reason: "already completed"})
}
if lease.State == IdempotencyInProgress {
return s.finish(ctx, task, Outcome{Status: StatusRetry, Action: ActionSkip, Reason: "another delivery is in progress"})
}
if lease.State != IdempotencyAcquired || strings.TrimSpace(lease.Token) == "" {
return s.finish(ctx, task, Outcome{Status: StatusRetry, Action: ActionNone, Reason: "invalid idempotency lease"})
}
records, queryResult, err := s.deps.Client.FindHealthRecord(ctx, osi.FindHealthRecordQuery{IDCard: req.HealthRecord.IDCard})
if err != nil || !queryResult.Success {
status := classifyFailure(queryResult)
return s.finishAcquired(ctx, task, idempotencyKey, lease.Token, Outcome{Status: status, Action: ActionNone, Reason: "CHIS query failed", ServiceID: osi.ServiceIDJKDAFind, ResponseCode: queryResult.Code})
}
if records == nil {
return s.finishAcquired(ctx, task, idempotencyKey, lease.Token, Outcome{Status: StatusFailed, Action: ActionNone, Reason: "CHIS query returned null or missing data", ServiceID: osi.ServiceIDJKDAFind, ResponseCode: queryResult.Code})
}
if len(records) > 1 {
return s.finishAcquired(ctx, task, idempotencyKey, lease.Token, Outcome{Status: StatusManualReview, Action: ActionNone, Reason: "multiple CHIS health records found", ServiceID: osi.ServiceIDJKDAFind, ResponseCode: queryResult.Code})
}
if len(records) == 0 {
return s.create(ctx, task, idempotencyKey, lease.Token, req)
}
target := newUpdateTarget(records[0].HealthRecord)
if reason := validateUpdateTarget(target, req); reason != "" {
return s.finishAcquired(ctx, task, idempotencyKey, lease.Token, Outcome{Status: StatusManualReview, Action: ActionNone, Reason: reason, ServiceID: osi.ServiceIDJKDAFind, ResponseCode: queryResult.Code, PHRIDHint: maskIdentifier(target.PHRID)})
}
req.BaseInfo.PHRID = target.PHRID
req.HealthRecord.PhrID = target.PHRID
return s.update(ctx, task, idempotencyKey, lease.Token, req)
}
func (s *HealthRecordUpsertService) create(ctx context.Context, task source.HealthRecordTask, key, token string, req contract.HealthRecordCreate) (Outcome, error) {
saved, result, err := s.deps.Client.CreateHealthRecord(ctx, req)
outcome := Outcome{Status: StatusDone, Action: ActionCreate, ServiceID: osi.ServiceIDJKDACreate, ResponseCode: result.Code, PHRIDHint: maskIdentifier(saved.PhrID)}
if err != nil || !result.Success {
outcome.Status = classifyFailure(result)
outcome.Reason = "CHIS create failed"
return s.finishAcquired(ctx, task, key, token, outcome)
}
return s.complete(ctx, task, key, token, outcome)
}
func (s *HealthRecordUpsertService) update(ctx context.Context, task source.HealthRecordTask, key, token string, req contract.HealthRecordCreate) (Outcome, error) {
saved, result, err := s.deps.Client.UpdateHealthRecord(ctx, req)
phrID := saved.PhrID
if phrID == "" {
phrID = req.HealthRecord.PhrID
}
outcome := Outcome{Status: StatusDone, Action: ActionUpdate, ServiceID: osi.ServiceIDJKDAUpdate, ResponseCode: result.Code, PHRIDHint: maskIdentifier(phrID)}
if err != nil || !result.Success {
outcome.Status = classifyFailure(result)
outcome.Reason = "CHIS update failed"
return s.finishAcquired(ctx, task, key, token, outcome)
}
return s.complete(ctx, task, key, token, outcome)
}
func (s *HealthRecordUpsertService) complete(ctx context.Context, task source.HealthRecordTask, key, token string, outcome Outcome) (Outcome, error) {
cleanupCtx, cancel := idempotencyCleanupContext(ctx)
defer cancel()
if err := s.deps.Idempotency.Complete(cleanupCtx, key, token); err != nil {
return outcome, fmt.Errorf("persist successful CHIS write before notification: %w", err)
}
return s.finish(ctx, task, outcome)
}
func (s *HealthRecordUpsertService) finishAcquired(ctx context.Context, task source.HealthRecordTask, key, token string, outcome Outcome) (Outcome, error) {
cleanupCtx, cancel := idempotencyCleanupContext(ctx)
defer cancel()
return s.finish(ctx, task, outcome, s.deps.Idempotency.Release(cleanupCtx, key, token))
}
func idempotencyCleanupContext(ctx context.Context) (context.Context, context.CancelFunc) {
return context.WithTimeout(context.WithoutCancel(ctx), idempotencyCleanupTimeout)
}
func (s *HealthRecordUpsertService) finish(ctx context.Context, task source.HealthRecordTask, outcome Outcome, prior ...error) (Outcome, error) {
event := UpsertEvent{
TraceID: traceID(task.SourceRecordID(), task.BusinessID), Status: outcome.Status,
Action: outcome.Action, Reason: outcome.Reason, ServiceID: outcome.ServiceID,
ResponseCode: outcome.ResponseCode, PHRIDHint: outcome.PHRIDHint,
}
status := PHISStatusUpdate{SourceRecordID: task.SourceRecordID(), BusinessID: task.BusinessID, Status: outcome.Status, Reason: outcome.Reason}
priorErr := errors.Join(prior...)
reportErr := s.deps.Reports.Publish(ctx, event)
statusErr := s.deps.PHISStatuses.WriteStatus(ctx, status)
if priorErr != nil || reportErr != nil || statusErr != nil {
notificationErr := &NotificationError{PriorErr: priorErr, ReportErr: reportErr, StatusErr: statusErr}
if reportErr != nil {
notificationErr.Event = &event
}
if statusErr != nil {
notificationErr.Update = &status
}
return outcome, notificationErr
}
return outcome, nil
}
func (s *HealthRecordUpsertService) validateDependencies() error {
if s == nil || s.deps.Converter == nil || s.deps.Client == nil || s.deps.Idempotency == nil || s.deps.Reports == nil || s.deps.PHISStatuses == nil {
return fmt.Errorf("health record upsert dependencies are incomplete")
}
return nil
}
func classifyFailure(result osi.Result) Status {
if result.Retryable {
return StatusRetry
}
return StatusFailed
}
func newUpdateTarget(record contract.HealthRecord) UpdateTarget {
checkID := ""
if record.CheckID != nil {
checkID = *record.CheckID
}
return UpdateTarget{
PHRID: record.PhrID, EMPIID: record.EmpiID, CheckID: checkID, IDCard: record.IDCard,
ManaUnitID: record.ManaUnitID, ManaDoctorID: record.ManaDoctorID, Status: record.Status,
}
}
func validateUpdateTarget(target UpdateTarget, req contract.HealthRecordCreate) string {
if strings.TrimSpace(target.IDCard) != strings.TrimSpace(req.HealthRecord.IDCard) {
return "CHIS identity does not exactly match source"
}
if strings.TrimSpace(target.PHRID) == "" {
return "CHIS record is missing phrId"
}
if strings.TrimSpace(target.Status) != "1" {
return "CHIS record status is not updateable"
}
if strings.TrimSpace(target.ManaUnitID) != strings.TrimSpace(req.HealthRecord.ManaUnitID) {
return "CHIS record belongs to another organization"
}
if strings.TrimSpace(target.ManaDoctorID) != strings.TrimSpace(req.HealthRecord.ManaDoctorID) {
return "CHIS record belongs to another doctor"
}
return ""
}
func healthRecordIdempotencyKey(checkID, idCard string) string {
sum := sha256.Sum256([]byte(strings.TrimSpace(checkID) + "|" + strings.TrimSpace(idCard)))
return fmt.Sprintf("health-record:%x", sum[:])
}
func traceID(sourceRecordID, businessID string) string {
sum := sha256.Sum256([]byte(strings.TrimSpace(sourceRecordID) + "|" + strings.TrimSpace(businessID)))
return fmt.Sprintf("hr-%x", sum[:8])
}
func maskIdentifier(value string) string {
value = strings.TrimSpace(value)
if len(value) <= 4 {
return "****"
}
return "****" + value[len(value)-4:]
}