109 lines
2.5 KiB
Go
109 lines
2.5 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
|
|
// See LICENSE for copying information.
|
|
|
|
package notifications
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/spacemonkeygo/monkit/v3"
|
|
"go.uber.org/zap"
|
|
|
|
"storj.io/common/uuid"
|
|
)
|
|
|
|
var (
|
|
mon = monkit.Package()
|
|
)
|
|
|
|
// TimesNotified is a numeric value of amount of notifications being sent to user.
|
|
type TimesNotified int
|
|
|
|
const (
|
|
// TimesNotifiedZero haven't being notified yet.
|
|
TimesNotifiedZero TimesNotified = 0
|
|
// TimesNotifiedFirst sent notification one time.
|
|
TimesNotifiedFirst TimesNotified = 1
|
|
// TimesNotifiedSecond sent notifications twice.
|
|
TimesNotifiedSecond TimesNotified = 2
|
|
// TimesNotifiedLast three notification has been send.
|
|
TimesNotifiedLast TimesNotified = 3
|
|
)
|
|
|
|
// Service is the notification service between storage nodes and satellites.
|
|
// architecture: Service
|
|
type Service struct {
|
|
log *zap.Logger
|
|
db DB
|
|
}
|
|
|
|
// NewService creates a new notification service.
|
|
func NewService(log *zap.Logger, db DB) *Service {
|
|
return &Service{
|
|
log: log,
|
|
db: db,
|
|
}
|
|
}
|
|
|
|
// Receive - receives notifications from satellite and Insert them into DB.
|
|
func (service *Service) Receive(ctx context.Context, newNotification NewNotification) (Notification, error) {
|
|
notification, err := service.db.Insert(ctx, newNotification)
|
|
if err != nil {
|
|
return Notification{}, err
|
|
}
|
|
|
|
return notification, nil
|
|
}
|
|
|
|
// Read - change notification status to Read by ID.
|
|
func (service *Service) Read(ctx context.Context, notificationID uuid.UUID) (err error) {
|
|
defer mon.Task()(&ctx)(&err)
|
|
|
|
err = service.db.Read(ctx, notificationID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// ReadAll - change status of all user's notifications to Read.
|
|
func (service *Service) ReadAll(ctx context.Context) (err error) {
|
|
defer mon.Task()(&ctx)(&err)
|
|
|
|
err = service.db.ReadAll(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// List - shows the list of paginated notifications.
|
|
func (service *Service) List(ctx context.Context, cursor Cursor) (_ Page, err error) {
|
|
defer mon.Task()(&ctx)(&err)
|
|
|
|
notificationPage, err := service.db.List(ctx, cursor)
|
|
if err != nil {
|
|
return Page{}, err
|
|
}
|
|
|
|
if notificationPage.Notifications == nil {
|
|
notificationPage = Page{Notifications: []Notification{}}
|
|
}
|
|
|
|
return notificationPage, nil
|
|
}
|
|
|
|
// UnreadAmount - returns amount on notifications with value is_read = nil.
|
|
func (service *Service) UnreadAmount(ctx context.Context) (_ int, err error) {
|
|
defer mon.Task()(&ctx)(&err)
|
|
|
|
amount, err := service.db.UnreadAmount(ctx)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
return amount, nil
|
|
}
|