// Recent returns up to n of the most recently completed jobs (including
// failed ones).
func (d *DB) Recent(n int) ([]*Job, error) {
it := d.db.NewIterator(util.BytesPrefix([]byte(finishPrefix)), nil)
defer it.Release()
// the last iterated over jobs are the most recent
ids := []JobId{}
for it.Next() {
var id JobId
copy(id[:], it.Value())
ids = append(ids, id)
}
if err := it.Error(); err != nil {
return nil, err
}
if len(ids) > n {
ids = ids[len(ids)-n:]
}
jobs := make([]*Job, len(ids))
for i, id := range ids {
j, err := d.Get(id)
if err != nil {
return nil, err
}
jobs[i] = j
}
return jobs, nil
}
// Current returns the all jobs from the database that aren't completed - e.g.
// queued or running.
func (d *DB) Current() ([]*Job, error) {
it := d.db.NewIterator(util.BytesPrefix([]byte(currPrefix)), nil)
defer it.Release()
ids := []JobId{}
for it.Next() {
var id JobId
copy(id[:], it.Value())
ids = append(ids, id)
}
if err := it.Error(); err != nil {
return nil, err
}
jobs := make([]*Job, len(ids))
for i, id := range ids {
j, err := d.Get(id)
if err != nil {
return nil, err
}
jobs[i] = j
}
return jobs, nil
}