LittleSheep e3a4988ccf Optimize for passive users
 Subscribe to channel focused
2025-03-01 17:52:57 +08:00

95 lines
2.5 KiB
Go

package services
import (
"context"
"fmt"
localCache "git.solsynth.dev/hypernet/messaging/pkg/internal/cache"
"git.solsynth.dev/hypernet/messaging/pkg/internal/database"
"git.solsynth.dev/hypernet/messaging/pkg/internal/models"
"git.solsynth.dev/hypernet/nexus/pkg/nex"
"github.com/eko/gocache/lib/v4/cache"
"github.com/eko/gocache/lib/v4/marshaler"
"github.com/eko/gocache/lib/v4/store"
"github.com/samber/lo"
"github.com/spf13/viper"
)
type statusQueryCacheEntry struct {
Target []uint64
Data any
}
func GetTypingStatusQueryCacheKey(channelId uint, userId uint) string {
return fmt.Sprintf("typing-status-query#%d;%d", channelId, userId)
}
func SetTypingStatus(channelId uint, userId uint) error {
var broadcastTarget []uint64
var data any
cacheManager := cache.New[any](localCache.S)
marshal := marshaler.New(cacheManager)
contx := context.Background()
hitCache := false
if val, err := marshal.Get(contx, GetTypingStatusQueryCacheKey(channelId, userId), new(statusQueryCacheEntry)); err == nil {
entry := val.(*statusQueryCacheEntry)
broadcastTarget = entry.Target
data = entry.Data
hitCache = true
}
if !hitCache {
var member models.ChannelMember
if err := database.C.
Where("account_id = ? AND channel_id = ?", userId, channelId).
First(&member).Error; err != nil {
return fmt.Errorf("channel member not found: %v", err)
}
var channel models.Channel
if err := database.C.
Preload("Members").
Where("id = ?", channelId).
First(&channel).Error; err != nil {
return fmt.Errorf("channel not found: %v", err)
}
for _, item := range channel.Members {
broadcastTarget = append(broadcastTarget, uint64(item.AccountID))
}
data = map[string]any{
"user_id": userId,
"member_id": member.ID,
"channel_id": channelId,
"member": member,
"channel": channel,
}
// Cache queries
_ = marshal.Set(
contx,
GetTypingStatusQueryCacheKey(channelId, userId),
statusQueryCacheEntry{broadcastTarget, data},
store.WithTags([]string{"typing-status-query", fmt.Sprintf("channel#%d", channelId), fmt.Sprintf("user#%d", userId)}),
)
}
broadcastTarget = lo.Filter(broadcastTarget, func(item uint64, index int) bool {
if !viper.GetBool("performance.passive_user_optimize") {
// Leave this for backward compatibility
return true
}
return CheckSubscribed(uint(item), channelId)
})
PushCommandBatch(broadcastTarget, nex.WebSocketPackage{
Action: "status.typing",
Payload: data,
})
return nil
}