migrate from github

internal/repository/notification_repo/notification_repo.go

@@ -0,0 +1,38 @@
+package notification_repo
+
+import (
+	"github.com/XingfenD/yoresee_doc/internal/model"
+	"gorm.io/gorm"
+)
+
+type NotificationRepository struct {
+	db *gorm.DB
+}
+
+func NewNotificationRepository(db *gorm.DB) *NotificationRepository {
+	return &NotificationRepository{db: db}
+}
+
+type NotificationUpdateExternalIDOperation struct {
+	repo       *NotificationRepository
+	id         int64
+	externalID string
+}
+
+func (r *NotificationRepository) UpdateExternalID(id int64, externalID string) *NotificationUpdateExternalIDOperation {
+	return &NotificationUpdateExternalIDOperation{
+		repo:       r,
+		id:         id,
+		externalID: externalID,
+	}
+}
+
+func (op *NotificationUpdateExternalIDOperation) Exec() error {
+	if op.id == 0 || op.externalID == "" {
+		return nil
+	}
+	return op.repo.db.Model(&model.Notification{}).
+		Where("id = ? AND (external_id IS NULL OR external_id = '')", op.id).
+		Updates(map[string]any{"external_id": op.externalID}).
+		Error
+}