Files
junhong_cmp_fiber/internal/infrastructure/notification/recipient_resolver.go
2026-07-24 16:07:18 +08:00

101 lines
3.5 KiB
Go

package notification
import (
"context"
"sort"
"gorm.io/gorm"
shopapp "github.com/break/junhong_cmp_fiber/internal/application/shop"
"github.com/break/junhong_cmp_fiber/internal/model"
"github.com/break/junhong_cmp_fiber/pkg/constants"
"github.com/break/junhong_cmp_fiber/pkg/errors"
)
// DynamicRecipientResolver 按稳定账号、平台角色或店铺解析当前可用后台账号。
type DynamicRecipientResolver struct {
db *gorm.DB
shopResolver shopapp.NotificationRecipientResolver
}
// NewDynamicRecipientResolver 创建后台通知动态接收人解析 Adapter。
func NewDynamicRecipientResolver(db *gorm.DB, shopResolver shopapp.NotificationRecipientResolver) *DynamicRecipientResolver {
return &DynamicRecipientResolver{db: db, shopResolver: shopResolver}
}
// Resolve 根据受控目标类型返回去重且按账号 ID 排序的当前可用接收人。
func (r *DynamicRecipientResolver) Resolve(ctx context.Context, targetKind string, targetID uint) ([]uint, error) {
if targetID == 0 {
return nil, errors.New(errors.CodeInvalidParam)
}
var ids []uint
var err error
switch targetKind {
case constants.NotificationTargetKindAccount:
ids, err = r.resolveAccount(ctx, targetID)
case constants.NotificationTargetKindPlatformRole:
ids, err = r.resolvePlatformRole(ctx, targetID)
case constants.NotificationTargetKindShop:
if r.shopResolver == nil {
return nil, errors.New(errors.CodeInternalError, "店铺通知接收人解析器未配置")
}
ids, err = r.shopResolver.ResolveNotificationRecipients(ctx, targetID)
default:
return nil, errors.New(errors.CodeInvalidParam, "通知接收目标类型不受支持")
}
if err != nil {
return nil, err
}
return uniqueSortedIDs(ids), nil
}
func (r *DynamicRecipientResolver) resolveAccount(ctx context.Context, accountID uint) ([]uint, error) {
var account model.Account
err := r.db.WithContext(ctx).Select("id").
Where("id = ? AND status = ?", accountID, constants.StatusEnabled).Take(&account).Error
if err == gorm.ErrRecordNotFound {
return []uint{}, nil
}
if err != nil {
return nil, errors.Wrap(errors.CodeDatabaseError, err, "查询通知申请人失败")
}
return []uint{account.ID}, nil
}
func (r *DynamicRecipientResolver) resolvePlatformRole(ctx context.Context, roleID uint) ([]uint, error) {
var accounts []model.Account
err := r.db.WithContext(ctx).Model(&model.Account{}).
Select("tb_account.id").
Joins("JOIN tb_account_role ar ON ar.account_id = tb_account.id AND ar.deleted_at IS NULL AND ar.status = ?", constants.StatusEnabled).
Joins("JOIN tb_role r ON r.id = ar.role_id AND r.deleted_at IS NULL AND r.status = ? AND r.role_type = ?",
constants.StatusEnabled, constants.RoleTypePlatform).
Where("ar.role_id = ? AND tb_account.status = ? AND tb_account.user_type IN ?",
roleID, constants.StatusEnabled, []int{constants.UserTypeSuperAdmin, constants.UserTypePlatform}).
Find(&accounts).Error
if err != nil {
return nil, errors.Wrap(errors.CodeDatabaseError, err, "查询平台角色通知接收人失败")
}
ids := make([]uint, 0, len(accounts))
for _, account := range accounts {
ids = append(ids, account.ID)
}
return ids, nil
}
func uniqueSortedIDs(ids []uint) []uint {
seen := make(map[uint]struct{}, len(ids))
result := make([]uint, 0, len(ids))
for _, id := range ids {
if id == 0 {
continue
}
if _, exists := seen[id]; exists {
continue
}
seen[id] = struct{}{}
result = append(result, id)
}
sort.Slice(result, func(i, j int) bool { return result[i] < result[j] })
return result
}