318 lines
8.0 KiB
Go
318 lines
8.0 KiB
Go
/*
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* Copyright 2025 coze-dev Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package compose
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import (
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"context"
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"fmt"
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"maps"
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"slices"
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"github.com/cloudwego/eino/schema"
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"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
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"github.com/coze-dev/coze-studio/backend/pkg/sonic"
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)
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// outputValueFiller will fill the output value with nil if the key is not present in the output map.
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// if a node emits stream as output, the node needs to handle these absent keys in stream themselves.
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func (s *NodeSchema) outputValueFiller() func(ctx context.Context, output map[string]any) (map[string]any, error) {
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if len(s.OutputTypes) == 0 {
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return func(ctx context.Context, output map[string]any) (map[string]any, error) {
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return output, nil
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}
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}
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return func(ctx context.Context, output map[string]any) (map[string]any, error) {
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newOutput := make(map[string]any)
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for k := range output {
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newOutput[k] = output[k]
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}
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for k, tInfo := range s.OutputTypes {
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if err := FillIfNotRequired(tInfo, newOutput, k, FillNil, false); err != nil {
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return nil, err
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}
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}
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return newOutput, nil
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}
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}
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// inputValueFiller will fill the input value with default value(zero or nil) if the input value is not present in map.
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// if a node accepts stream as input, the node needs to handle these absent keys in stream themselves.
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func (s *NodeSchema) inputValueFiller() func(ctx context.Context, input map[string]any) (map[string]any, error) {
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if len(s.InputTypes) == 0 {
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return func(ctx context.Context, input map[string]any) (map[string]any, error) {
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return input, nil
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}
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}
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return func(ctx context.Context, input map[string]any) (map[string]any, error) {
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newInput := make(map[string]any)
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for k := range input {
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newInput[k] = input[k]
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}
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for k, tInfo := range s.InputTypes {
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if err := FillIfNotRequired(tInfo, newInput, k, FillZero, false); err != nil {
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return nil, err
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}
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}
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return newInput, nil
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}
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}
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func (s *NodeSchema) streamInputValueFiller() func(ctx context.Context,
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input *schema.StreamReader[map[string]any]) *schema.StreamReader[map[string]any] {
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fn := func(ctx context.Context, i map[string]any) (map[string]any, error) {
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newI := make(map[string]any)
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for k := range i {
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newI[k] = i[k]
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}
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for k, tInfo := range s.InputTypes {
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if err := replaceNilWithZero(tInfo, newI, k); err != nil {
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return nil, err
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}
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}
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return newI, nil
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}
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return func(ctx context.Context, input *schema.StreamReader[map[string]any]) *schema.StreamReader[map[string]any] {
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return schema.StreamReaderWithConvert(input, func(in map[string]any) (map[string]any, error) {
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return fn(ctx, in)
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})
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}
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}
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type FillStrategy string
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const (
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FillZero FillStrategy = "zero"
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FillNil FillStrategy = "nil"
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)
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func FillIfNotRequired(tInfo *vo.TypeInfo, container map[string]any, k string, strategy FillStrategy, isInsideObject bool) error {
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v, ok := container[k]
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if ok {
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if len(tInfo.Properties) == 0 {
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if v == nil && strategy == FillZero {
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if isInsideObject {
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return nil
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}
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v = tInfo.Zero()
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container[k] = v
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return nil
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}
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if v != nil && tInfo.Type == vo.DataTypeArray {
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val, ok := v.([]any)
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if !ok {
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valStr, ok := v.(string)
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if ok {
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err := sonic.UnmarshalString(valStr, &val)
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if err != nil {
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return err
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}
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container[k] = val
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} else {
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return fmt.Errorf("layer field %s is not a []any or string", k)
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}
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}
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elemTInfo := tInfo.ElemTypeInfo
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copiedVal := slices.Clone(val)
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container[k] = copiedVal
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for i := range copiedVal {
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if copiedVal[i] == nil {
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if strategy == FillZero {
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copiedVal[i] = elemTInfo.Zero()
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continue
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}
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}
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if len(elemTInfo.Properties) > 0 {
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subContainer, ok := copiedVal[i].(map[string]any)
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if !ok {
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return fmt.Errorf("map item under array %s is not map[string]any", k)
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}
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newSubContainer := maps.Clone(subContainer)
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if newSubContainer == nil {
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newSubContainer = make(map[string]any)
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}
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for subK, subL := range elemTInfo.Properties {
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if err := FillIfNotRequired(subL, newSubContainer, subK, strategy, true); err != nil {
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return err
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}
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}
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copiedVal[i] = newSubContainer
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}
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}
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}
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} else {
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if v == nil {
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return nil
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}
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// recursively handle the layered object.
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subContainer, ok := v.(map[string]any)
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if !ok {
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subContainerStr, ok := v.(string)
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if ok {
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subContainer = make(map[string]any)
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err := sonic.UnmarshalString(subContainerStr, &subContainer)
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if err != nil {
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return err
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}
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container[k] = subContainer
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} else {
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return fmt.Errorf("layer field %s is not a map[string]any or string", k)
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}
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}
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newSubContainer := maps.Clone(subContainer)
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if newSubContainer == nil {
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newSubContainer = make(map[string]any)
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}
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for subK, subT := range tInfo.Properties {
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if err := FillIfNotRequired(subT, newSubContainer, subK, strategy, true); err != nil {
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return err
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}
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}
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container[k] = newSubContainer
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}
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} else {
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if tInfo.Required {
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return fmt.Errorf("output field %s is required but not present", k)
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} else {
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var z any
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if strategy == FillZero {
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if !isInsideObject {
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z = tInfo.Zero()
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}
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}
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container[k] = z
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// if it's an object, recursively handle the layeredFieldInfo.
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if len(tInfo.Properties) > 0 {
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z = make(map[string]any)
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container[k] = z
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subContainer := z.(map[string]any)
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for subK, subL := range tInfo.Properties {
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if err := FillIfNotRequired(subL, subContainer, subK, strategy, true); err != nil {
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return err
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}
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}
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}
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}
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}
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return nil
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}
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func replaceNilWithZero(tInfo *vo.TypeInfo, container map[string]any, k string) error {
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v, ok := container[k]
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if !ok {
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return nil
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}
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if len(tInfo.Properties) == 0 {
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if v == nil {
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v = tInfo.Zero()
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container[k] = v
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return nil
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}
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if tInfo.Type == vo.DataTypeArray {
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val, ok := v.([]any)
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if !ok {
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valStr, ok := v.(string)
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if ok {
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err := sonic.UnmarshalString(valStr, &val)
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if err != nil {
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return err
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}
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container[k] = val
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} else {
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return fmt.Errorf("layer field %s is not a []any or string", k)
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}
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}
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elemTInfo := tInfo.ElemTypeInfo
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copiedVal := slices.Clone(val)
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container[k] = copiedVal
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for i := range copiedVal {
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if copiedVal[i] == nil {
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copiedVal[i] = elemTInfo.Zero()
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continue
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}
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if len(elemTInfo.Properties) > 0 {
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subContainer, ok := copiedVal[i].(map[string]any)
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if !ok {
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return fmt.Errorf("map item under array %s is not map[string]any", k)
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}
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newSubContainer := maps.Clone(subContainer)
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for subK, subL := range elemTInfo.Properties {
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if err := replaceNilWithZero(subL, newSubContainer, subK); err != nil {
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return err
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}
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}
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copiedVal[i] = newSubContainer
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}
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}
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}
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} else {
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if v == nil {
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return nil
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}
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// recursively handle the layered object.
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subContainer, ok := v.(map[string]any)
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if !ok {
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subContainerStr, ok := v.(string)
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if ok {
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subContainer = make(map[string]any)
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err := sonic.UnmarshalString(subContainerStr, &subContainer)
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if err != nil {
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return err
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}
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container[k] = subContainer
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} else {
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return fmt.Errorf("layer field %s is not a map[string]any or string", k)
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}
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}
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newSubContainer := maps.Clone(subContainer)
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for subK, subT := range tInfo.Properties {
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if err := replaceNilWithZero(subT, newSubContainer, subK); err != nil {
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return err
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}
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}
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container[k] = newSubContainer
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}
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return nil
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}
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