You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
2.0 KiB
95 lines
2.0 KiB
package themis
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/rs/zerolog/log"
|
|
"go.opentelemetry.io/otel/trace"
|
|
)
|
|
|
|
var loc *time.Location
|
|
|
|
func init() {
|
|
loc, _ = time.LoadLocation("America/New_York")
|
|
}
|
|
|
|
type Notifier struct {
|
|
c chan context.Context
|
|
}
|
|
|
|
func NewNotifier(c chan context.Context) *Notifier {
|
|
return &Notifier{
|
|
c: c,
|
|
}
|
|
}
|
|
|
|
func (n *Notifier) Start(ctx context.Context) {
|
|
m := NextMonday()
|
|
sat := m.AddDate(0, 0, -2)
|
|
if sat.Before(time.Now()) {
|
|
sat = sat.AddDate(0, 0, 7)
|
|
}
|
|
|
|
t, err := time.ParseInLocation(time.DateTime, fmt.Sprintf("%s 17:00:00", sat.Format(time.DateOnly)), loc)
|
|
if err != nil {
|
|
panic("failed to parse next monday notif time. this is likely a bug.")
|
|
}
|
|
|
|
log.Debug().Time("next", t).Msg("starting notifier instance")
|
|
|
|
first := time.NewTimer(time.Until(t))
|
|
<-first.C
|
|
select {
|
|
case <-ctx.Done():
|
|
log.Debug().Msg("context deadline exceeded, exiting notifier")
|
|
return
|
|
default:
|
|
log.Debug().Str("parent", "ticker").Msg("notifier tick")
|
|
ctx, span := tracer.Start(ctx, "notifier_tick", trace.WithNewRoot())
|
|
|
|
n.c <- ctx
|
|
span.End()
|
|
}
|
|
|
|
ticker := time.NewTicker(time.Hour * 24 * 7)
|
|
for {
|
|
select {
|
|
case <-ctx.Done():
|
|
log.Debug().Msg("context deadline exceeded, exiting notifier")
|
|
return
|
|
case <-ticker.C:
|
|
log.Debug().Str("parent", "ticker").Msg("notifier tick")
|
|
ctx, span := tracer.Start(ctx, "notifier_tick", trace.WithNewRoot())
|
|
|
|
n.c <- ctx
|
|
span.End()
|
|
}
|
|
time.Sleep(time.Second)
|
|
}
|
|
}
|
|
|
|
// Trigger the notifier manually. Should be used for testing purposes only.
|
|
func (n *Notifier) Send(ctx context.Context) {
|
|
log.Debug().Str("parent", "trigger").Ctx(ctx).Msg("notifier tick")
|
|
n.c <- ctx
|
|
}
|
|
|
|
func (n *Notifier) NotifyFunc(ctx context.Context, f func(context.Context)) {
|
|
for {
|
|
select {
|
|
case <-ctx.Done():
|
|
log.Debug().Msg("context deadline exceeded, exiting notify func")
|
|
return
|
|
case innerCtx := <-n.c:
|
|
innerCtx, span := tracer.Start(innerCtx, "notify_func")
|
|
log.Debug().Ctx(innerCtx).Msg("tick received, notifying function")
|
|
|
|
f(innerCtx)
|
|
span.End()
|
|
}
|
|
time.Sleep(time.Second)
|
|
}
|
|
}
|