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