luzifer/birthday-notifier
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Allow to execute multiple notifiers in parallel

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Signed-off-by: Knut Ahlers <knut@ahlers.me>
This commit is contained in:
Knut Ahlers 2024-03-13 11:19:54 +01:00
parent 4c1cfd476c
commit 898a1b2276
Signed by: luzifer
SSH key fingerprint: SHA256:/xtE5lCgiRDQr8SLxHMS92ZBlACmATUmF1crK16Ks4E
1 changed files with 47 additions and 33 deletions
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80
main.go
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@ -7,6 +7,7 @@ import (
"time"
"git.luzifer.io/luzifer/birthday-notifier/pkg/dateutil"
"git.luzifer.io/luzifer/birthday-notifier/pkg/notifier"
"github.com/emersion/go-vcard"
"github.com/pkg/errors"
"github.com/robfig/cron/v3"
@ -20,7 +21,7 @@ var (
FetchInterval time.Duration `flag:"fetch-interval" default:"1h" description:"How often to fetch birthdays from CardDAV"`
LogLevel string `flag:"log-level" default:"info" description:"Log level (debug, info, warn, error, fatal)"`
NotifyDaysInAdvance []int `flag:"notify-days-in-advance" default:"1" description:"Send notification X days before birthday"`
NotifyVia string `flag:"notify-via" default:"log" description:"How to send the notification (one of: log, pushover)"`
NotifyVia []string `flag:"notify-via" default:"log" description:"How to send the notification (one of: log, pushover)"`
WebdavBaseURL string `flag:"webdav-base-url" default:"" description:"Webdav server to connect to"`
WebdavPass string `flag:"webdav-pass" default:"" description:"Password for the Webdav user"`
WebdavPrincipal string `flag:"webdav-principal" default:"principals/users/%s" description:"Principal format to fetch the addressbooks for (%s will be replaced with the webdav-user)"`
@ -60,9 +61,13 @@ func main() {
os.Exit(0)
}
notify := getNotifierByName(cfg.NotifyVia)
if notify == nil {
logrus.Fatal("unknown notifier specified")
var notifiers []notifier.Notifier
for _, nv := range cfg.NotifyVia {
notify := getNotifierByName(nv)
if notify == nil {
logrus.Fatal("unknown notifier specified")
}
notifiers = append(notifiers, notify)
}
if birthdays, err = fetchBirthdays(); err != nil {
@ -72,39 +77,12 @@ func main() {
crontab := cron.New()
// Periodically update birthdays
if _, err = crontab.AddFunc(fmt.Sprintf("@every %s", cfg.FetchInterval), func() {
birthdaysLock.Lock()
defer birthdaysLock.Unlock()
if birthdays, err = fetchBirthdays(); err != nil {
logrus.WithError(err).Error("updating birthdays")
}
}); err != nil {
if _, err = crontab.AddFunc(fmt.Sprintf("@every %s", cfg.FetchInterval), cronFetchBirthdays); err != nil {
logrus.WithError(err).Fatal("adding update-cron")
}
// Send notifications at midnight
if _, err = crontab.AddFunc("@midnight", func() {
birthdaysLock.Lock()
defer birthdaysLock.Unlock()
for _, b := range birthdays {
for _, advanceDays := range append(cfg.NotifyDaysInAdvance, 0) {
if !dateutil.IsToday(notifyDate(dateutil.ProjectToNextBirthday(b.birthday), advanceDays)) {
continue
}
go func(contact vcard.Card, when time.Time) {
if err = notify.SendNotification(contact, when); err != nil {
logrus.
WithError(err).
WithField("name", contact.Get(vcard.FieldFormattedName).Value).
Error("sending notification")
}
}(b.contact, b.birthday)
}
}
}); err != nil {
if _, err = crontab.AddFunc("@midnight", cronSendNotifications(notifiers)); err != nil {
logrus.WithError(err).Fatal("adding update-cron")
}
@ -119,6 +97,42 @@ func main() {
}
}
func cronFetchBirthdays() {
birthdaysLock.Lock()
defer birthdaysLock.Unlock()
var err error
if birthdays, err = fetchBirthdays(); err != nil {
logrus.WithError(err).Error("updating birthdays")
}
}
func cronSendNotifications(notifiers []notifier.Notifier) func() {
return func() {
birthdaysLock.Lock()
defer birthdaysLock.Unlock()
for _, b := range birthdays {
for _, advanceDays := range append(cfg.NotifyDaysInAdvance, 0) {
if !dateutil.IsToday(notifyDate(dateutil.ProjectToNextBirthday(b.birthday), advanceDays)) {
continue
}
for i := range notifiers {
go func(n notifier.Notifier, contact vcard.Card, when time.Time) {
if err := n.SendNotification(contact, when); err != nil {
logrus.
WithError(err).
WithField("name", contact.Get(vcard.FieldFormattedName).Value).
Error("sending notification")
}
}(notifiers[i], b.contact, b.birthday)
}
}
}
}
}
func notifyDate(t time.Time, daysInAdvance int) time.Time {
return time.Date(t.Year(), t.Month(), t.Day()-daysInAdvance, 0, 0, 0, 0, time.Local)
}