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wakapi/models/heartbeats.go

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package models
import "sort"
type Heartbeats []*Heartbeat
func (h Heartbeats) Len() int {
return len(h)
}
func (h Heartbeats) Less(i, j int) bool {
return h[i].Time.T().Before(h[j].Time.T())
}
func (h Heartbeats) Swap(i, j int) {
h[i], h[j] = h[j], h[i]
}
func (h *Heartbeats) Sorted() *Heartbeats {
sort.Sort(h)
return h
}
func (h *Heartbeats) First() *Heartbeat {
// assumes slice to be sorted
if h.Len() == 0 {
return nil
}
return (*h)[0]
}
func (h *Heartbeats) Last() *Heartbeat {
// assumes slice to be sorted
if h.Len() == 0 {
return nil
}
return (*h)[h.Len()-1]
}