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engine.go
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/
engine.go
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package main
import (
"context"
"github.com/pkg/errors"
"time"
)
type Engine struct {
cfg Config
calSvc CalendarService
telcli Telegram
lastChkdDao LastCheckedDao
}
func (e *Engine) Work(ctx context.Context) error {
t, isExist, err := e.lastChkdDao.GetLastChecked()
if !isExist {
t = time.Now().Add(-time.Hour)
} else if err != nil {
return errors.Wrap(err, "error reading last checked from file")
}
timeCheck := time.Now()
events, err := e.calSvc.GetRecentEvents(ctx, t)
if err != nil {
return errors.Wrap(err, "error getting events")
}
for _, event := range events {
if event.Creator == e.cfg.CalendarId {
continue
}
if err := e.telcli.NotifyEvent(event); err != nil {
return errors.Wrap(err, "error sending telegram message")
}
}
if err := e.lastChkdDao.SetLastChecked(timeCheck); err != nil {
return errors.Wrap(err, "error writing last checked time")
}
return nil
}