🐛 Fix flush reading anchor

pkg/internal/http/api/whats_new_api.go

@@ -1,12 +1,10 @@
 package api
 
 import (
-	"fmt"
 	"git.solsynth.dev/hypernet/nexus/pkg/nex/sec"
 	authm "git.solsynth.dev/hypernet/passport/pkg/authkit/models"
 
 	"git.solsynth.dev/hypernet/messaging/pkg/internal/database"
-	"git.solsynth.dev/hypernet/messaging/pkg/internal/models"
 	"github.com/gofiber/fiber/v2"
 )
 
@@ -16,35 +14,6 @@ func getWhatsNew(c *fiber.Ctx) error {
 	}
 	user := c.Locals("user").(authm.Account)
 
-	var lookupRange []uint
-	var lookupPivots []int
-	var ignoreRange []uint
-	var channelMembers []models.ChannelMember
-	if err := database.C.Where("account_id = ?", user.ID).
-		Select("id", "channel_id", "reading_anchor").
-		Find(&channelMembers).Error; err != nil {
-		return fiber.NewError(fiber.StatusInternalServerError, fmt.Sprintf("unable to get channel identity of you: %v", err))
-	} else {
-		for _, member := range channelMembers {
-			if member.ReadingAnchor == nil {
-				continue
-			}
-			lookupRange = append(lookupRange, member.ChannelID)
-			lookupPivots = append(lookupPivots, *member.ReadingAnchor)
-			ignoreRange = append(ignoreRange, member.ID)
-		}
-	}
-
-	tx := database.C
-	tx = tx.Where("channel_id IN ?", lookupRange)
-	tx = tx.Where("sender_id NOT IN ?", ignoreRange)
-
-	countTx := tx
-	var count int64
-	if err := countTx.Model(&models.Event{}).Count(&count).Error; err != nil {
-		return fiber.NewError(fiber.StatusInternalServerError, err.Error())
-	}
-
 	var result []struct {
 		ChannelID          uint `json:"channel_id"`
 		UnreadMessageCount int  `json:"count"`
@@ -52,7 +21,7 @@ func getWhatsNew(c *fiber.Ctx) error {
 	if err := database.C.Table("channel_members cm").
 		Select("cm.channel_id, COUNT(m.id) AS unread_message_count").
 		Joins("JOIN messages m ON m.channel_id = cm.channel_id").
-		Where("m.id > cm.reading_anchor AND cm.account_id = ?", 1).
+		Where("m.id > cm.reading_anchor AND cm.account_id = ?", user.ID).
 		Group("cm.channel_id").
 		Scan(&result).Error; err != nil {
 		return fiber.NewError(fiber.StatusInternalServerError, err.Error())

pkg/internal/services/reading_anchor.go

@@ -4,7 +4,6 @@ import (
 	"git.solsynth.dev/hypernet/messaging/pkg/internal/database"
 	"git.solsynth.dev/hypernet/messaging/pkg/internal/models"
 	"github.com/rs/zerolog/log"
-	"github.com/samber/lo"
 	"gorm.io/gorm"
 )
 
@@ -22,19 +21,15 @@ func FlushReadingAnchor() {
 	if len(readingAnchorQueue) == 0 {
 		return
 	}
-	idSet := lo.Uniq(lo.Map(lo.Keys(readingAnchorQueue), func(item uint, _ int) uint {
-		return item
-	}))
-	var pairs []map[string]any
 	for k, v := range readingAnchorQueue {
-		pairs = append(pairs, map[string]any{
-			"id":             k,
-			"reading_anchor": gorm.Expr("GREATEST(reading_anchor, ?)", v),
-		})
-	}
 		if err := database.C.Model(&models.ChannelMember{}).
-		Where("id IN ?", idSet).
-		Updates(pairs).Error; err != nil {
+			Where("id = ?", k).
+			Updates(map[string]any{
+				"reading_anchor": gorm.Expr("GREATEST(reading_anchor, ?)", v),
+			}).Error; err != nil {
 			log.Error().Err(err).Msg("An error occurred when flushing reading anchor...")
+			return
 		}
 	}
+	clear(readingAnchorQueue)
+}