Passport/pkg/services/notifications.go

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package services
import (
"code.smartsheep.studio/hydrogen/passport/pkg/database"
"code.smartsheep.studio/hydrogen/passport/pkg/external"
"code.smartsheep.studio/hydrogen/passport/pkg/models"
"context"
"firebase.google.com/go/messaging"
"github.com/rs/zerolog/log"
)
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func AddNotifySubscriber(user models.Account, provider, device, ua string) (models.NotificationSubscriber, error) {
subscriber := models.NotificationSubscriber{
UserAgent: ua,
Provider: provider,
DeviceID: device,
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AccountID: user.ID,
}
err := database.C.Save(&subscriber).Error
return subscriber, err
}
func NewNotification(
user models.ThirdClient,
target models.Account,
subject, content string,
links []models.NotificationLink,
important bool,
) error {
notification := models.Notification{
Subject: subject,
Content: content,
Links: links,
IsImportant: important,
ReadAt: nil,
SenderID: &user.ID,
RecipientID: target.ID,
}
if err := database.C.Save(&notification).Error; err != nil {
return err
}
var subscribers []models.NotificationSubscriber
if err := database.C.Where(&models.NotificationSubscriber{
AccountID: user.ID,
}).Find(&subscribers).Error; err != nil {
// I don't know why cannot get subscribers list, but whatever, the notifications has created
log.Error().Err(err).Msg("Unexpected error occurred during the notification.")
return nil
}
for _, subscriber := range subscribers {
switch subscriber.Provider {
case models.NotifySubscriberFirebase:
if external.Fire == nil {
// Didn't configure for firebase support
break
}
ctx := context.Background()
client, err := external.Fire.Messaging(ctx)
if err != nil {
log.Warn().Err(err).Msg("An error occurred when getting firebase FCM client...")
break
}
message := &messaging.Message{
Notification: &messaging.Notification{
Title: notification.Subject,
Body: notification.Content,
},
Token: subscriber.DeviceID,
}
if _, err = client.Send(ctx, message); err != nil {
log.Warn().Err(err).Msg("An error occurred when notify subscriber though firebase FCM...")
}
}
}
return nil
}