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2019-06-03 09:32:43 +00:00
package arn
import (
"fmt"
"time"
"github.com/aerogo/nano"
)
// Notification represents a user-associated notification.
type Notification struct {
ID string `json:"id"`
UserID string `json:"userId"`
Created string `json:"created"`
Seen string `json:"seen"`
PushNotification
}
// User retrieves the user the notification was sent to.
func (notification *Notification) User() *User {
user, _ := GetUser(notification.UserID)
return user
}
// CreatedTime returns the created date as a time object.
func (notification *Notification) CreatedTime() time.Time {
t, _ := time.Parse(time.RFC3339, notification.Created)
return t
}
// String returns a string representation of the notification.
func (notification *Notification) String() string {
return fmt.Sprintf("[%s] %s", notification.Type, notification.Title)
}
// NewNotification creates a new notification.
func NewNotification(userID UserID, pushNotification *PushNotification) *Notification {
return &Notification{
ID: GenerateID("Notification"),
UserID: userID,
Created: DateTimeUTC(),
Seen: "",
PushNotification: *pushNotification,
}
}
// GetNotification ...
func GetNotification(id string) (*Notification, error) {
obj, err := DB.Get("Notification", id)
if err != nil {
return nil, err
}
return obj.(*Notification), nil
}
// StreamNotifications returns a stream of all notifications.
func StreamNotifications() <-chan *Notification {
channel := make(chan *Notification, nano.ChannelBufferSize)
go func() {
for obj := range DB.All("Notification") {
channel <- obj.(*Notification)
}
close(channel)
}()
return channel
}
// AllNotifications returns a slice of all notifications.
func AllNotifications() ([]*Notification, error) {
all := make([]*Notification, 0, DB.Collection("Notification").Count())
for obj := range StreamNotifications() {
all = append(all, obj)
}
return all, nil
}