Golang Resource.Data方法代碼示例

//CreateResourceInTransaction craete db resource model in transaction
func CreateResourceInTransaction(context middleware.Context, resource *schema.Resource) error {
	resourceSchema := resource.Schema()
	mainTransaction := context["transaction"].(transaction.Transaction)
	environmentManager := extension.GetManager()
	environment, ok := environmentManager.GetEnvironment(resourceSchema.ID)
	if !ok {
		return fmt.Errorf("No environment for schema")
	}
	if err := extension.HandleEvent(context, environment, "pre_create_in_transaction"); err != nil {
		return err
	}
	if err := mainTransaction.Create(resource); err != nil {
		log.Debug("%s transaction error", err)
		return ResourceError{
			err,
			fmt.Sprintf("Failed to store data in database: %v", err),
			CreateFailed}
	}

	response := map[string]interface{}{}
	response[resourceSchema.Singular] = resource.Data()
	context["response"] = response

	if err := extension.HandleEvent(context, environment, "post_create_in_transaction"); err != nil {
		return err
	}

	return nil
}

//Create create resource in the db
func (tx *Transaction) Create(resource *schema.Resource) error {
	var cols []string
	var values []interface{}
	db := tx.db
	s := resource.Schema()
	data := resource.Data()
	q := sq.Insert(quote(s.GetDbTableName()))
	for _, attr := range s.Properties {
		//TODO(nati) support optional value
		if _, ok := data[attr.ID]; ok {
			handler := db.handler(&attr)
			cols = append(cols, quote(attr.ID))
			encoded, err := handler.encode(&attr, data[attr.ID])
			if err != nil {
				return fmt.Errorf("SQL Create encoding error: %s", err)
			}
			values = append(values, encoded)
		}
	}
	q = q.Columns(cols...).Values(values...)
	sql, args, err := q.ToSql()
	if err != nil {
		return err
	}
	return tx.Exec(sql, args...)
}

//Update update resource in the db
func (tx *Transaction) Update(resource *schema.Resource) error {
	s := resource.Schema()
	data := resource.Data()
	db := tx.db
	q := sq.Update(quote(s.GetDbTableName()))
	for _, attr := range s.Properties {
		//TODO(nati) support optional value
		if _, ok := data[attr.ID]; ok {
			handler := db.handler(&attr)
			encoded, err := handler.encode(&attr, data[attr.ID])
			if err != nil {
				return fmt.Errorf("SQL Update encoding error: %s", err)
			}
			q = q.Set(quote(attr.ID), encoded)
		}
	}
	if s.Parent != "" {
		q.Set(s.ParentSchemaPropertyID(), resource.ParentID())
	}
	q = q.Where(sq.Eq{"id": resource.ID()})
	sql, args, err := q.ToSql()
	if err != nil {
		return err
	}
	return tx.Exec(sql, args...)
}

//Create create resource in the db
func (tx *Transaction) Create(resource *schema.Resource) error {
	db := tx.db
	db.load()
	s := resource.Schema()
	data := resource.Data()
	table := db.getTable(s)
	db.data[s.GetDbTableName()] = append(table, data)
	db.write()
	return nil
}

//Update update resource in the db
func (tx *Transaction) Update(resource *schema.Resource) error {
	db := tx.db
	db.load()
	s := resource.Schema()
	data := resource.Data()
	table := db.getTable(s)
	for _, rawDataInDB := range table {
		dataInDB := rawDataInDB.(map[string]interface{})
		if dataInDB["id"] == resource.ID() {
			for key, value := range data {
				dataInDB[key] = value
			}
		}
	}
	db.write()
	return nil
}

func (tx *Transaction) updateQuery(resource *schema.Resource) (sq.UpdateBuilder, error) {
	s := resource.Schema()
	db := tx.db
	data := resource.Data()
	q := sq.Update(quote(s.GetDbTableName()))
	for _, attr := range s.Properties {
		//TODO(nati) support optional value
		if _, ok := data[attr.ID]; ok {
			handler := db.handler(&attr)
			encoded, err := handler.encode(&attr, data[attr.ID])
			if err != nil {
				return q, fmt.Errorf("SQL Update encoding error: %s", err)
			}
			q = q.Set(quote(attr.ID), encoded)
		}
	}
	if s.Parent != "" {
		q = q.Set(s.ParentSchemaPropertyID(), resource.ParentID())
	}
	return q, nil
}

//GetSingleResourceInTransaction get resource in single transaction
func GetSingleResourceInTransaction(context middleware.Context, resourceSchema *schema.Schema, resourceID string, tenantIDs []string) (err error) {
	mainTransaction := context["transaction"].(transaction.Transaction)
	auth := context["auth"].(schema.Authorization)
	environmentManager := extension.GetManager()
	environment, ok := environmentManager.GetEnvironment(resourceSchema.ID)
	if !ok {
		return fmt.Errorf("no environment for schema")
	}

	if err := handleEvent(context, environment, "pre_show_in_transaction"); err != nil {
		return err
	}
	if rawResponse, ok := context["response"]; ok {
		if _, ok := rawResponse.(map[string]interface{}); ok {
			return nil
		}
		return fmt.Errorf("extension returned invalid JSON: %v", rawResponse)
	}
	var object *schema.Resource
	if resourceSchema.ID == "schema" {
		manager := schema.GetManager()
		requestedSchema, _ := manager.Schema(resourceID)
		object, err = GetSchema(requestedSchema, auth)
	} else {
		object, err = mainTransaction.Fetch(resourceSchema, resourceID, tenantIDs)
	}

	if err != nil || object == nil {
		return ResourceError{err, "", NotFound}
	}

	response := map[string]interface{}{}
	response[resourceSchema.Singular] = object.Data()
	context["response"] = response

	if err := handleEvent(context, environment, "post_show_in_transaction"); err != nil {
		return err
	}
	return
}

				})

				It("Returns the error with invalid filter", func() {
					filter := map[string]interface{}{
						"bad_filter": []string{"red"},
					}
					_, _, err := tx.List(networkSchema, filter, nil)
					Expect(err).To(HaveOccurred())
				})

				It("Shows related resources", func() {
					list, num, err := tx.List(serverSchema, nil, nil)
					Expect(err).ToNot(HaveOccurred())
					Expect(num).To(Equal(uint64(1)))
					Expect(list).To(HaveLen(1))
					Expect(list[0].Data()).To(HaveKeyWithValue("network", HaveKeyWithValue("name", networkResource1.Data()["name"])))
					Expect(tx.Commit()).To(Succeed())
				})

				It("Fetches an existing resource", func() {
					networkResourceFetched, err := tx.Fetch(networkSchema, transaction.IDFilter(networkResource1.ID()))
					Expect(err).ToNot(HaveOccurred())
					Expect(networkResourceFetched).To(util.MatchAsJSON(networkResource1))
					Expect(tx.Commit()).To(Succeed())
				})

				It("Updates the resource properly", func() {
					By("Not allowing to update some fields")
					Expect(networkResource1.Update(map[string]interface{}{"id": "new_id"})).ToNot(Succeed())

					By("Updating other fields")