35 lines
874 B
Go
35 lines
874 B
Go
package model
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import "time"
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const NowPlayingExpire = 60 * time.Minute
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type NowPlayingInfo struct {
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TrackID string
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Start time.Time
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Username string
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PlayerId int
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PlayerName string
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}
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// This repo must have the semantics of a FIFO queue, for each playerId
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type NowPlayingRepository interface {
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// Insert at the head of the queue
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Enqueue(*NowPlayingInfo) error
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// Removes and returns the element at the end of the queue
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Dequeue(playerId int) (*NowPlayingInfo, error)
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// Returns the element at the head of the queue (last inserted one)
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Head(playerId int) (*NowPlayingInfo, error)
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// Returns the element at the end of the queue (first inserted one)
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Tail(playerId int) (*NowPlayingInfo, error)
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// Size of the queue for the playerId
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Count(playerId int) (int64, error)
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// Returns all heads from all playerIds
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GetAll() ([]*NowPlayingInfo, error)
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}
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