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优化后台高频查询性能

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yml2213
2026-08-29 00:16:16 +08:00
parent c87883cc65
commit c156c478d8
17 changed files with 684 additions and 175 deletions
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backend/internal/modules/chat/support.go
+21 -25
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@@ -233,11 +233,11 @@ func (r *Repository) listAdminConversations(ctx context.Context, principal Princ
c.last_message_preview, c.last_message_at, c.created_at, c.updated_at,
COALESCE(cp_me.role, 'admin') AS role,
COALESCE(cas.remark, '') AS admin_remark,
COALESCE(explicit_lo.id, listing_lo.id) AS latest_order_id,
COALESCE(explicit_lo.order_no, listing_lo.order_no) AS latest_order_no,
COALESCE(explicit_lo.status, listing_lo.status) AS latest_order_status,
COALESCE(explicit_lo.handoff_status, listing_lo.handoff_status) AS latest_handoff_status,
COALESCE(explicit_lo.refund_status, listing_lo.refund_status) AS latest_refund_status,
COALESCE(explicit_lo.id, c.latest_order_id) AS latest_order_id,
COALESCE(explicit_lo.order_no, c.latest_order_no) AS latest_order_no,
COALESCE(explicit_lo.status, c.latest_order_status) AS latest_order_status,
COALESCE(explicit_lo.handoff_status, c.latest_order_handoff_status) AS latest_handoff_status,
COALESCE(explicit_lo.refund_status, c.latest_order_refund_status) AS latest_refund_status,
lm.sender_type AS last_sender_type, lm.sender_id AS last_sender_id, lm.sender_role AS last_sender_role,
CASE WHEN c.type = 'general_support' AND (` + adminNeedsReplyExpression() + `) THEN 1 ELSE 0 END AS needs_reply,
(
@@ -273,10 +273,17 @@ func (r *Repository) listAdminConversations(ctx context.Context, principal Princ
}
func (r *Repository) AdminConversationCounts(ctx context.Context, principal Principal, filter string, stage string, keyword string) (*AdminConversationCountsDTO, error) {
result, err := r.adminConversationCounts(ctx, principal, normalizeAdminChatFilter(filter), normalizeAdminChatStage(stage), strings.TrimSpace(keyword))
filter = normalizeAdminChatFilter(filter)
stage = normalizeAdminChatStage(stage)
keyword = strings.TrimSpace(keyword)
if cached := r.loadAdminChatCountsCache(ctx, principal, filter, stage, keyword); cached != nil {
return cached, nil
}
result, err := r.adminConversationCounts(ctx, principal, filter, stage, keyword)
if err != nil {
return nil, err
}
r.storeAdminChatCountsCache(ctx, principal, filter, stage, keyword, result.DTO)
return result.DTO, nil
}
@@ -297,13 +304,12 @@ func (r *Repository) adminConversationBase(ctx context.Context, principal Princi
Joins("LEFT JOIN chat_admin_conversation_states AS cas ON cas.conversation_id = c.id AND cas.admin_user_id = ?", principal.ID).
Joins("LEFT JOIN chat_messages AS lm ON lm.id = c.last_message_id").
Joins("LEFT JOIN rental_orders AS explicit_lo ON explicit_lo.id = c.order_id").
Joins("LEFT JOIN (SELECT ro.* FROM rental_orders AS ro JOIN (SELECT listing_id, MAX(id) AS max_id FROM rental_orders GROUP BY listing_id) AS latest ON latest.max_id = ro.id) AS listing_lo ON listing_lo.listing_id = c.listing_id AND c.order_id IS NULL").
Joins("LEFT JOIN rental_listings AS l ON l.id = COALESCE(explicit_lo.listing_id, listing_lo.listing_id, c.listing_id)")
Joins("LEFT JOIN rental_listings AS l ON l.id = COALESCE(explicit_lo.listing_id, c.listing_id)")
if keyword != "" {
db = db.Joins("LEFT JOIN users AS renter ON renter.id = COALESCE(explicit_lo.renter_id, listing_lo.renter_id)").
Joins("LEFT JOIN users AS owner ON owner.id = COALESCE(explicit_lo.owner_id, listing_lo.owner_id, l.owner_id)")
db = db.Joins("LEFT JOIN users AS renter ON renter.id = explicit_lo.renter_id").
Joins("LEFT JOIN users AS owner ON owner.id = COALESCE(explicit_lo.owner_id, l.owner_id)")
like := "%" + keyword + "%"
db = db.Where(`c.title LIKE ? OR c.last_message_preview LIKE ? OR COALESCE(explicit_lo.order_no, listing_lo.order_no) LIKE ? OR l.listing_no LIKE ?
db = db.Where(`c.title LIKE ? OR c.last_message_preview LIKE ? OR COALESCE(explicit_lo.order_no, c.latest_order_no) LIKE ? OR l.listing_no LIKE ?
OR renter.phone LIKE ? OR owner.phone LIKE ?
OR EXISTS (
SELECT 1 FROM chat_participants AS cp_kw
@@ -410,9 +416,9 @@ func adminChatOwnershipCondition(filter string, principal Principal) (string, []
}
func adminChatStageCondition(stage string, principal Principal) (string, []interface{}) {
latestID := "COALESCE(explicit_lo.id, listing_lo.id)"
latestStatus := "COALESCE(explicit_lo.status, listing_lo.status)"
latestRefundStatus := "COALESCE(explicit_lo.refund_status, listing_lo.refund_status)"
latestID := "COALESCE(explicit_lo.id, c.latest_order_id)"
latestStatus := "COALESCE(explicit_lo.status, c.latest_order_status)"
latestRefundStatus := "COALESCE(explicit_lo.refund_status, c.latest_order_refund_status)"
switch stage {
case adminChatStagePending:
return "c.type = 'general_support' AND (" + adminNeedsReplyExpression() + ")", nil
@@ -434,17 +440,7 @@ func adminChatStageCondition(stage string, principal Principal) (string, []inter
}
func adminNeedsReplyExpression() string {
return `COALESCE((
SELECT MAX(cm_attention.id)
FROM chat_messages AS cm_attention
WHERE cm_attention.conversation_id = c.id
AND (cm_attention.admin_attention_type <> '' OR cm_attention.sender_type = 'user')
), 0) > COALESCE((
SELECT MAX(cm_admin.id)
FROM chat_messages AS cm_admin
WHERE cm_admin.conversation_id = c.id
AND cm_admin.sender_type = 'admin'
), 0)`
return "c.last_attention_message_id > c.last_admin_message_id"
}
// ArchiveListingConversation 将商品关联的发布群标记为已归档（解散），并写入系统提示。