暂存一下,防止丢失

internal/infrastructure/notification/repository.go

@@ -0,0 +1,48 @@
+package notification
+
+import (
+	"context"
+
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+
+	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/pkg/constants"
+)
+
+// Repository 提供站内通知幂等写入能力。
+type Repository struct {
+	db *gorm.DB
+}
+
+// NewRepository 创建站内通知持久化 Adapter。
+func NewRepository(db *gorm.DB) *Repository {
+	return &Repository{db: db}
+}
+
+// CreateIdempotent 以事件、接收人类型和接收人 ID 唯一键幂等写入通知。
+func (r *Repository) CreateIdempotent(ctx context.Context, notification *model.Notification) (bool, error) {
+	result := r.db.WithContext(ctx).Clauses(clause.OnConflict{
+		Columns:   []clause.Column{{Name: "event_id"}, {Name: "recipient_kind"}, {Name: "recipient_id"}},
+		DoNothing: true,
+	}).Create(notification)
+	return result.RowsAffected == 1, result.Error
+}
+
+// IsActiveAccount 判断明确后台账号是否仍启用且未软删除。
+func (r *Repository) IsActiveAccount(ctx context.Context, accountID uint) (bool, error) {
+	var count int64
+	err := r.db.WithContext(ctx).Model(&model.Account{}).
+		Where("id = ? AND status = ?", accountID, constants.StatusEnabled).
+		Count(&count).Error
+	return count == 1, err
+}
+
+// IsActivePersonalCustomer 判断明确个人客户是否仍启用且未软删除。
+func (r *Repository) IsActivePersonalCustomer(ctx context.Context, customerID uint) (bool, error) {
+	var count int64
+	err := r.db.WithContext(ctx).Model(&model.PersonalCustomer{}).
+		Where("id = ? AND status = ?", customerID, constants.StatusEnabled).
+		Count(&count).Error
+	return count == 1, err
+}