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package services
import (
"context"
"fmt"
"time"
"github.com/NdoleStudio/httpsms/pkg/events"
cloudevents "github.com/cloudevents/sdk-go/v2"
"github.com/google/uuid"
"github.com/nyaruka/phonenumbers"
"github.com/NdoleStudio/httpsms/pkg/repositories"
"github.com/palantir/stacktrace"
"github.com/NdoleStudio/httpsms/pkg/entities"
"github.com/NdoleStudio/httpsms/pkg/telemetry"
)
// PhoneService is handles phone requests
type PhoneService struct {
service
logger telemetry.Logger
tracer telemetry.Tracer
repository repositories.PhoneRepository
dispatcher *EventDispatcher
}
// NewPhoneService creates a new PhoneService
func NewPhoneService(
logger telemetry.Logger,
tracer telemetry.Tracer,
repository repositories.PhoneRepository,
dispatcher *EventDispatcher,
) (s *PhoneService) {
return &PhoneService{
logger: logger.WithService(fmt.Sprintf("%T", s)),
tracer: tracer,
dispatcher: dispatcher,
repository: repository,
}
}
// DeleteAllForUser deletes all entities.Phone for an entities.UserID.
func (service *PhoneService) DeleteAllForUser(ctx context.Context, userID entities.UserID) error {
ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger)
defer span.End()
if err := service.repository.DeleteAllForUser(ctx, userID); err != nil {
msg := fmt.Sprintf("could not delete all [entities.Phone] for user with ID [%s]", userID)
return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
ctxLogger.Info(fmt.Sprintf("deleted all [entities.Phone] for user with ID [%s]", userID))
return nil
}
// Index fetches the heartbeats for a phone number
func (service *PhoneService) Index(ctx context.Context, authUser entities.AuthContext, params repositories.IndexParams) (*[]entities.Phone, error) {
ctx, span := service.tracer.Start(ctx)
defer span.End()
ctxLogger := service.tracer.CtxLogger(service.logger, span)
phones, err := service.repository.Index(ctx, authUser.ID, params)
if err != nil {
msg := fmt.Sprintf("could not fetch phones with parms [%+#v]", params)
return nil, service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
ctxLogger.Info(fmt.Sprintf("fetched [%d] phones with prams [%+#v]", len(*phones), params))
return phones, nil
}
// Load a phone by userID and owner
func (service *PhoneService) Load(ctx context.Context, userID entities.UserID, owner string) (*entities.Phone, error) {
ctx, span := service.tracer.Start(ctx)
defer span.End()
return service.repository.Load(ctx, userID, owner)
}
// PhoneUpsertParams are parameters for creating a new entities.Phone
type PhoneUpsertParams struct {
PhoneNumber *phonenumbers.PhoneNumber
FcmToken *string
MessagesPerMinute *uint
MaxSendAttempts *uint
WebhookURL *string
MessageExpirationDuration *time.Duration
MissedCallAutoReply *string
SIM entities.SIM
Source string
UserID entities.UserID
}
// Upsert a new entities.Phone
func (service *PhoneService) Upsert(ctx context.Context, params *PhoneUpsertParams) (*entities.Phone, error) {
ctx, span := service.tracer.Start(ctx)
defer span.End()
ctxLogger := service.tracer.CtxLogger(service.logger, span)
phone, err := service.repository.Load(ctx, params.UserID, phonenumbers.Format(params.PhoneNumber, phonenumbers.E164))
if stacktrace.GetCode(err) == repositories.ErrCodeNotFound {
return service.createPhone(ctx, &PhoneFCMTokenParams{
Source: params.Source,
PhoneNumber: params.PhoneNumber,
PhoneAPIKeyID: nil,
UserID: params.UserID,
FcmToken: params.FcmToken,
SIM: params.SIM,
})
}
if err != nil {
msg := fmt.Sprintf("cannot upsert phone with id [%s] and number [%s]", phone.ID, phone.PhoneNumber)
return nil, service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
if err = service.repository.Save(ctx, service.update(phone, params)); err != nil {
msg := fmt.Sprintf("cannot update phone with id [%s] and number [%s]", phone.ID, phone.PhoneNumber)
return nil, service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
ctxLogger.Info(fmt.Sprintf("phone updated with id [%s] in the phone repository for user [%s]", phone.ID, phone.UserID))
return phone, service.dispatchPhoneUpdatedEvent(ctx, phone, &PhoneFCMTokenParams{
Source: params.Source,
PhoneNumber: params.PhoneNumber,
PhoneAPIKeyID: nil,
UserID: params.UserID,
FcmToken: params.FcmToken,
SIM: params.SIM,
})
}
func (service *PhoneService) dispatchPhoneUpdatedEvent(ctx context.Context, phone *entities.Phone, input *PhoneFCMTokenParams) error {
ctx, span := service.tracer.Start(ctx)
defer span.End()
event, err := service.createPhoneUpdatedEvent(input.Source, events.PhoneUpdatedPayload{
PhoneID: phone.ID,
UserID: phone.UserID,
Timestamp: phone.UpdatedAt,
PhoneAPIKeyID: input.PhoneAPIKeyID,
Owner: phone.PhoneNumber,
SIM: phone.SIM,
})
if err != nil {
msg := fmt.Sprintf("cannot create event when phone [%s] is updated for user [%s]", phone.ID, phone.UserID)
return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
if err = service.dispatcher.Dispatch(ctx, event); err != nil {
msg := fmt.Sprintf("cannot dispatch event [%s] for phone with id [%s]", event.Type(), phone.ID)
return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
return nil
}
// Delete an entities.Phone
func (service *PhoneService) Delete(ctx context.Context, source string, userID entities.UserID, phoneID uuid.UUID) error {
ctx, span := service.tracer.Start(ctx)
defer span.End()
ctxLogger := service.tracer.CtxLogger(service.logger, span)
phone, err := service.repository.LoadByID(ctx, userID, phoneID)
if err != nil {
msg := fmt.Sprintf("cannot load phone with userID [%s] and phoneID [%s]", userID, phoneID)
return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
if err = service.repository.Delete(ctx, userID, phoneID); err != nil {
msg := fmt.Sprintf("cannot delete phone with id [%s] and user id [%s]", phoneID, userID)
return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
ctxLogger.Info(fmt.Sprintf("deleted phone with id [%s] and user id [%s]", phoneID, userID))
event, err := service.createPhoneDeletedEvent(source, events.PhoneDeletedPayload{
PhoneID: phone.ID,
UserID: phone.UserID,
Timestamp: phone.UpdatedAt,
Owner: phone.PhoneNumber,
SIM: phone.SIM,
})
if err != nil {
msg := "cannot create event when phone is deleted"
return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
if err = service.dispatcher.Dispatch(ctx, event); err != nil {
msg := fmt.Sprintf("cannot dispatch event [%s] for phone with id [%s]", event.Type(), phone.ID)
return service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
return nil
}
// PhoneFCMTokenParams are parameters for upserting an entities.Phone
type PhoneFCMTokenParams struct {
Source string
PhoneNumber *phonenumbers.PhoneNumber
PhoneAPIKeyID *uuid.UUID
UserID entities.UserID
FcmToken *string
SIM entities.SIM
}
// UpsertFCMToken the FCM token for an entities.Phone
func (service *PhoneService) UpsertFCMToken(ctx context.Context, params *PhoneFCMTokenParams) (*entities.Phone, error) {
ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger)
defer span.End()
phone, err := service.repository.Load(ctx, params.UserID, phonenumbers.Format(params.PhoneNumber, phonenumbers.E164))
if stacktrace.GetCode(err) == repositories.ErrCodeNotFound {
return service.createPhone(ctx, params)
}
if err != nil {
msg := fmt.Sprintf("cannot upsert FCM token for user with id [%s] and number [%s]", params.UserID, params.PhoneNumber)
return nil, service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
phone.FcmToken = params.FcmToken
phone.SIM = params.SIM
if err = service.repository.Save(ctx, phone); err != nil {
msg := fmt.Sprintf("cannot update phone with id [%s] and number [%s]", phone.ID, phone.PhoneNumber)
return nil, service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
ctxLogger.Info(fmt.Sprintf("phone updated with id [%s] in the phone repository for user [%s]", phone.ID, phone.UserID))
return phone, service.dispatchPhoneUpdatedEvent(ctx, phone, params)
}
func (service *PhoneService) createPhone(ctx context.Context, params *PhoneFCMTokenParams) (*entities.Phone, error) {
ctx, span, ctxLogger := service.tracer.StartWithLogger(ctx, service.logger)
defer span.End()
phone := &entities.Phone{
ID: uuid.New(),
UserID: params.UserID,
FcmToken: params.FcmToken,
// Android has a limit of 30 SMS messages per minute without user permission, to be safe let's use 10 messages per minute
// https://android.googlesource.com/platform/frameworks/opt/telephony/+/master/src/java/com/android/internal/telephony/SmsUsageMonitor.java#80
MessagesPerMinute: 10,
MessageExpirationSeconds: 10 * 60, // 10 minutes
MaxSendAttempts: 2,
SIM: params.SIM,
MissedCallAutoReply: nil,
PhoneNumber: phonenumbers.Format(params.PhoneNumber, phonenumbers.E164),
CreatedAt: time.Now().UTC(),
UpdatedAt: time.Now().UTC(),
}
if err := service.repository.Save(ctx, phone); err != nil {
msg := fmt.Sprintf("cannot create phone with id [%s] and number [%s]", phone.ID, phone.PhoneNumber)
return nil, service.tracer.WrapErrorSpan(span, stacktrace.Propagate(err, msg))
}
ctxLogger.Info(fmt.Sprintf("phone updated with id [%s] in the phone repository for user [%s]", phone.ID, phone.UserID))
return phone, service.dispatchPhoneUpdatedEvent(ctx, phone, params)
}
func (service *PhoneService) createPhoneUpdatedEvent(source string, payload events.PhoneUpdatedPayload) (cloudevents.Event, error) {
return service.createEvent(events.EventTypePhoneUpdated, source, payload)
}
func (service *PhoneService) createPhoneDeletedEvent(source string, payload events.PhoneDeletedPayload) (cloudevents.Event, error) {
return service.createEvent(events.EventTypePhoneDeleted, source, payload)
}
func (service *PhoneService) update(phone *entities.Phone, params *PhoneUpsertParams) *entities.Phone {
if phone.FcmToken != nil {
phone.FcmToken = params.FcmToken
}
if params.MessagesPerMinute != nil && *params.MessagesPerMinute > 0 {
phone.MessagesPerMinute = *params.MessagesPerMinute
}
if params.MaxSendAttempts != nil && *params.MaxSendAttempts > 0 {
phone.MaxSendAttempts = *params.MaxSendAttempts
}
if params.MessageExpirationDuration != nil {
phone.MessageExpirationSeconds = uint(params.MessageExpirationDuration.Seconds())
}
if params.MissedCallAutoReply != nil {
phone.MissedCallAutoReply = params.MissedCallAutoReply
}
phone.SIM = params.SIM
return phone
}