135 lines
4.0 KiB
Go
135 lines
4.0 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 json
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import (
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"context"
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"fmt"
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"github.com/coze-dev/coze-studio/backend/domain/workflow/entity"
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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/domain/workflow/internal/canvas/convert"
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"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes"
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"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/schema"
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"github.com/coze-dev/coze-studio/backend/pkg/ctxcache"
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"github.com/coze-dev/coze-studio/backend/pkg/errorx"
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"github.com/coze-dev/coze-studio/backend/pkg/sonic"
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"github.com/coze-dev/coze-studio/backend/types/errno"
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)
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const (
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InputKeyDeserialization = "input"
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OutputKeyDeserialization = "output"
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warningsKey = "deserialization_warnings"
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)
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type DeserializationConfig struct{}
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func (d *DeserializationConfig) Adapt(_ context.Context, n *vo.Node, _ ...nodes.AdaptOption) (
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*schema.NodeSchema, error) {
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ns := &schema.NodeSchema{
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Key: vo.NodeKey(n.ID),
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Type: entity.NodeTypeJsonDeserialization,
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Name: n.Data.Meta.Title,
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Configs: d,
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}
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if err := convert.SetInputsForNodeSchema(n, ns); err != nil {
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return nil, err
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}
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if err := convert.SetOutputTypesForNodeSchema(n, ns); err != nil {
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return nil, err
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}
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return ns, nil
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}
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func (d *DeserializationConfig) Build(_ context.Context, ns *schema.NodeSchema, _ ...schema.BuildOption) (any, error) {
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typeInfo, ok := ns.OutputTypes[OutputKeyDeserialization]
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if !ok {
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return nil, fmt.Errorf("no output field specified in deserialization config")
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}
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return &Deserializer{
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typeInfo: typeInfo,
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}, nil
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}
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type Deserializer struct {
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typeInfo *vo.TypeInfo
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}
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func (jd *Deserializer) Invoke(ctx context.Context, input map[string]any) (map[string]any, error) {
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jsonStrValue := input[InputKeyDeserialization]
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jsonStr, ok := jsonStrValue.(string)
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if !ok {
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return nil, fmt.Errorf("input is not a string, got %T", jsonStrValue)
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}
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typeInfo := jd.typeInfo
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var rawValue any
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var err error
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// Unmarshal based on the root type
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switch typeInfo.Type {
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case vo.DataTypeString, vo.DataTypeInteger, vo.DataTypeNumber, vo.DataTypeBoolean, vo.DataTypeTime, vo.DataTypeFile:
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// Scalar types - unmarshal to generic any
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err = sonic.Unmarshal([]byte(jsonStr), &rawValue)
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case vo.DataTypeArray:
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// Array type - unmarshal to []any
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var arr []any
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err = sonic.Unmarshal([]byte(jsonStr), &arr)
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rawValue = arr
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case vo.DataTypeObject:
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// Object type - unmarshal to map[string]any
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var obj map[string]any
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err = sonic.Unmarshal([]byte(jsonStr), &obj)
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rawValue = obj
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default:
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return nil, fmt.Errorf("unsupported root data type: %s", typeInfo.Type)
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}
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if err != nil {
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return nil, fmt.Errorf("JSON unmarshaling failed: %w", err)
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}
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convertedValue, ws, err := nodes.Convert(ctx, rawValue, OutputKeyDeserialization, typeInfo)
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if err != nil {
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return nil, err
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}
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if ws != nil && len(*ws) > 0 {
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ctxcache.Store(ctx, warningsKey, *ws)
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}
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return map[string]any{OutputKeyDeserialization: convertedValue}, nil
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}
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func (jd *Deserializer) ToCallbackOutput(ctx context.Context, out map[string]any) (*nodes.StructuredCallbackOutput, error) {
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var wfe vo.WorkflowError
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if warnings, ok := ctxcache.Get[nodes.ConversionWarnings](ctx, warningsKey); ok {
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wfe = vo.WrapWarn(errno.ErrNodeOutputParseFail, warnings, errorx.KV("warnings", warnings.Error()))
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}
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return &nodes.StructuredCallbackOutput{
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Output: out,
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RawOutput: out,
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Error: wfe,
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}, nil
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}
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