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current.go
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current.go
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package op
import (
"sync"
"time"
)
type current struct {
current Current
lock sync.RWMutex
}
type Current struct {
Movie CurrentMovie
Status Status
}
type CurrentMovie struct {
ID string
IsLive bool
}
func newCurrent() *current {
return ¤t{
current: Current{
Status: newStatus(),
},
}
}
type Status struct {
Seek float64 `json:"seek"`
Rate float64 `json:"rate"`
Playing bool `json:"playing"`
lastUpdate time.Time `json:"-"`
}
func newStatus() Status {
return Status{
Seek: 0,
Rate: 1.0,
lastUpdate: time.Now(),
}
}
func (c *current) Current() Current {
c.lock.RLock()
defer c.lock.RUnlock()
c.current.UpdateStatus()
return c.current
}
func (c *current) SetMovie(movie CurrentMovie, play bool) {
c.lock.Lock()
defer c.lock.Unlock()
c.current.Movie = movie
c.current.SetSeek(0, 0)
c.current.Status.Playing = play
}
func (c *current) Status() Status {
c.lock.RLock()
defer c.lock.RUnlock()
c.current.UpdateStatus()
return c.current.Status
}
func (c *current) SetStatus(playing bool, seek, rate, timeDiff float64) *Status {
c.lock.Lock()
defer c.lock.Unlock()
s := c.current.SetStatus(playing, seek, rate, timeDiff)
return &s
}
func (c *current) SetSeekRate(seek, rate, timeDiff float64) *Status {
c.lock.Lock()
defer c.lock.Unlock()
s := c.current.SetSeekRate(seek, rate, timeDiff)
return &s
}
func (c *Current) UpdateStatus() Status {
if c.Movie.IsLive {
c.Status.lastUpdate = time.Now()
return c.Status
}
if c.Status.Playing {
c.Status.Seek += time.Since(c.Status.lastUpdate).Seconds() * c.Status.Rate
}
c.Status.lastUpdate = time.Now()
return c.Status
}
func (c *Current) setLiveStatus() Status {
c.Status.Playing = true
c.Status.Rate = 1.0
c.Status.Seek = 0
c.Status.lastUpdate = time.Now()
return c.Status
}
func (c *Current) SetStatus(playing bool, seek, rate, timeDiff float64) Status {
if c.Movie.IsLive {
return c.setLiveStatus()
}
c.Status.Playing = playing
c.Status.Rate = rate
if playing {
c.Status.Seek = seek + (timeDiff * rate)
} else {
c.Status.Seek = seek
}
c.Status.lastUpdate = time.Now()
return c.Status
}
func (c *Current) SetSeekRate(seek, rate, timeDiff float64) Status {
if c.Movie.IsLive {
return c.setLiveStatus()
}
if c.Status.Playing {
c.Status.Seek = seek + (timeDiff * rate)
} else {
c.Status.Seek = seek
}
c.Status.Rate = rate
c.Status.lastUpdate = time.Now()
return c.Status
}
func (c *Current) SetSeek(seek, timeDiff float64) Status {
if c.Movie.IsLive {
return c.setLiveStatus()
}
if c.Status.Playing {
c.Status.Seek = seek + (timeDiff * c.Status.Rate)
} else {
c.Status.Seek = seek
}
c.Status.lastUpdate = time.Now()
return c.Status
}