46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
package sdk
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import (
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"context"
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"fiatjaf.com/nostr"
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cache_memory "fiatjaf.com/nostr/sdk/cache/memory"
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)
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type Topic string
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func (r Topic) Value() string { return string(r) }
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func (sys *System) FetchTopicList(ctx context.Context, pubkey nostr.PubKey) GenericList[string, Topic] {
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sys.topicListCacheOnce.Do(func() {
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if sys.TopicListCache == nil {
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sys.TopicListCache = cache_memory.New[GenericList[string, Topic]](1000)
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}
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})
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ml, _ := fetchGenericList(sys, ctx, pubkey, 10015, kind_10015, parseTopicString, sys.TopicListCache)
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return ml
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}
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func (sys *System) FetchTopicSets(ctx context.Context, pubkey nostr.PubKey) GenericSets[string, Topic] {
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sys.topicSetsCacheOnce.Do(func() {
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if sys.TopicSetsCache == nil {
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sys.TopicSetsCache = cache_memory.New[GenericSets[string, Topic]](1000)
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}
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})
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ml, _ := fetchGenericSets(sys, ctx, pubkey, 30015, kind_30015, parseTopicString, sys.TopicSetsCache)
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return ml
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}
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func parseTopicString(tag nostr.Tag) (t Topic, ok bool) {
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if len(tag) < 2 {
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return t, false
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}
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if t := tag[1]; t != "" && tag[0] == "t" {
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return Topic(t), true
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}
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return t, false
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}
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