增加客服分组管理

2026-06-18 02:09:02 +08:00
parent 2223665b14
commit 233920025e
16 changed files with 1082 additions and 20 deletions
@@ -0,0 +1,57 @@
+package supportgroup
+
+import (
+	"errors"
+
+	"hfb_sys/backend/internal/model"
+
+	"gorm.io/gorm"
+)
+
+func PickSupportAdmin(tx *gorm.DB, groupCode string) (uint64, error) {
+	var row struct {
+		ID uint64
+	}
+	err := tx.Table("chat_support_groups AS g").
+		Select("au.id").
+		Joins("JOIN chat_support_group_members AS gm ON gm.group_id = g.id").
+		Joins("JOIN admin_users AS au ON au.id = gm.admin_user_id").
+		Where("g.code = ? AND g.status = ? AND au.status = ?", groupCode, "active", "active").
+		Order(`CASE au.support_status WHEN 'online' THEN 0 WHEN 'busy' THEN 1 ELSE 2 END,
+			(
+				SELECT COUNT(1)
+				FROM chat_participants AS cp
+				WHERE cp.participant_type = 'admin'
+				  AND cp.role = 'support'
+				  AND cp.participant_id = au.id
+			) ASC,
+			au.id ASC`).
+		Limit(1).
+		Scan(&row).Error
+	if err != nil {
+		return 0, err
+	}
+	if row.ID > 0 {
+		return row.ID, nil
+	}
+	return fallbackSupportAdmin(tx)
+}
+
+func fallbackSupportAdmin(tx *gorm.DB) (uint64, error) {
+	var admin model.AdminUser
+	err := tx.Table("admin_users AS au").
+		Select("au.*").
+		Joins("JOIN admin_user_roles AS aur ON aur.admin_user_id = au.id").
+		Joins("JOIN roles AS r ON r.id = aur.role_id").
+		Where("au.status = ? AND r.code = ?", "active", "cs").
+		Order("CASE au.support_status WHEN 'online' THEN 0 WHEN 'busy' THEN 1 ELSE 2 END, au.id ASC").
+		Limit(1).
+		First(&admin).Error
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return 0, nil
+		}
+		return 0, err
+	}
+	return admin.ID, nil
+}