yml/hfb_sys
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

优化后台高频查询性能

Browse Source
This commit is contained in:
yml2213
2026-08-29 00:16:16 +08:00
parent c87883cc65
commit c156c478d8
17 changed files with 684 additions and 175 deletions
Download Patch File Download Diff File Expand all files Collapse all files
backend/internal/model/chat.go
+41 -12
View File
@@ -4,21 +4,32 @@ import (
"time"
"gorm.io/datatypes"
"gorm.io/gorm"
)
type ChatConversation struct {
ID uint64 `gorm:"primaryKey" json:"id"`
OrderID *uint64 `gorm:"uniqueIndex" json:"order_id"`
ListingID *uint64 `gorm:"index" json:"listing_id"`
Type string `gorm:"size:32;not null;default:'order_group'" json:"type"`
SupportScene string `gorm:"column:support_scene;size:32;not null;default:''" json:"support_scene"`
Title string `gorm:"size:128;not null" json:"title"`
Status string `gorm:"size:32;not null;default:'active'" json:"status"`
LastMessageID *uint64 `json:"last_message_id"`
LastMessagePreview string `gorm:"size:255;not null;default:''" json:"last_message_preview"`
LastMessageAt *time.Time `json:"last_message_at"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
ID uint64 `gorm:"primaryKey" json:"id"`
OrderID *uint64 `gorm:"uniqueIndex" json:"order_id"`
ListingID *uint64 `gorm:"index" json:"listing_id"`
// 发布群没有固定订单时，以下字段保存该商品最新订单的轻量快照，供客服列表筛选使用。
// 这样读取会话列表不必每次扫描全部订单再按商品分组。
LatestOrderID *uint64 `gorm:"index" json:"-"`
LatestOrderNo string `gorm:"size:64;not null;default:''" json:"-"`
LatestOrderStatus string `gorm:"size:32;not null;default:'';index" json:"-"`
LatestOrderHandoffStatus string `gorm:"size:32;not null;default:''" json:"-"`
LatestOrderRefundStatus string `gorm:"size:32;not null;default:''" json:"-"`
// 待回复判断只需比较两个游标，避免每个会话再扫描聊天消息表。
LastAttentionMessageID uint64 `gorm:"not null;default:0" json:"-"`
LastAdminMessageID uint64 `gorm:"not null;default:0" json:"-"`
Type string `gorm:"size:32;not null;default:'order_group'" json:"type"`
SupportScene string `gorm:"column:support_scene;size:32;not null;default:''" json:"support_scene"`
Title string `gorm:"size:128;not null" json:"title"`
Status string `gorm:"size:32;not null;default:'active'" json:"status"`
LastMessageID *uint64 `json:"last_message_id"`
LastMessagePreview string `gorm:"size:255;not null;default:''" json:"last_message_preview"`
LastMessageAt *time.Time `json:"last_message_at"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
}
func (ChatConversation) TableName() string {
@@ -76,6 +87,24 @@ func (ChatMessage) TableName() string {
return "chat_messages"
}
// AfterCreate 维护客服列表所需的两个消息游标；列表页只比较游标，不再对每个会话聚合消息表。
func (m *ChatMessage) AfterCreate(tx *gorm.DB) error {
if m.ID == 0 || m.ConversationID == 0 {
return nil
}
updates := map[string]any{}
if m.AdminAttentionType != "" || m.SenderType == "user" {
updates["last_attention_message_id"] = m.ID
}
if m.SenderType == "admin" {
updates["last_admin_message_id"] = m.ID
}
if len(updates) == 0 {
return nil
}
return tx.Model(&ChatConversation{}).Where("id = ?", m.ConversationID).Updates(updates).Error
}
type ChatQrCode struct {
ID uint64 `gorm:"primaryKey" json:"id"`
ImageURL string `gorm:"size:512;not null" json:"image_url"`