59 lines
1.3 KiB
Go
59 lines
1.3 KiB
Go
package main
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import (
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"p83.nl/go/ekster/pkg/microsub"
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)
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// TimelineBackend specifies the interface for Timeline. It supports everything that is needed
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// for Ekster to implement the channel protocol for Microsub
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type TimelineBackend interface {
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Items(before, after string) (microsub.Timeline, error)
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Count() (int, error)
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AddItem(item microsub.Item) error
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MarkRead(uids []string) error
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// Not used at the moment
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// MarkUnread(uids []string) error
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}
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func (b *memoryBackend) getTimeline(channel string) TimelineBackend {
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// TODO: fetch timeline type from channel
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timelineType := "sorted-set"
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if channel == "notifications" {
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timelineType = "stream"
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} else {
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if setting, ok := b.Settings[channel]; ok {
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if setting.ChannelType != "" {
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timelineType = setting.ChannelType
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}
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}
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}
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if timelineType == "sorted-set" {
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timeline := &redisSortedSetTimeline{channel}
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err := timeline.Init()
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if err != nil {
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return nil
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}
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return timeline
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}
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if timelineType == "stream" {
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timeline := &redisStreamTimeline{channel: channel}
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err := timeline.Init()
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if err != nil {
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return nil
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}
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return timeline
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}
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if timelineType == "null" {
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timeline := &nullTimeline{channel: channel}
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err := timeline.Init()
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if err != nil {
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return nil
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}
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return timeline
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}
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return nil
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}
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