99 lines
3.4 KiB
Go
99 lines
3.4 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/sonic"
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)
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const (
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InputKeySerialization = "input"
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OutputKeySerialization = "output"
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)
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// SerializationConfig is the Config type for NodeTypeJsonSerialization.
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// Each Node Type should have its own designated Config type,
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// which should implement NodeAdaptor and NodeBuilder.
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// NOTE: we didn't define any fields for this type,
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// because this node is simple, we doesn't need to extract any SPECIFIC piece of info
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// from frontend Node. In other cases we would need to do it, such as LLM's model configs.
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type SerializationConfig struct {
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// you can define ANY number of fields here,
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// as long as these fields are SERIALIZABLE and EXPORTED.
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// to store specific info extracted from frontend node.
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// e.g.
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// - LLM model configs
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// - conditional expressions
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// - fixed input fields such as MaxBatchSize
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}
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// Adapt provides conversion from Node to NodeSchema.
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// NOTE: in this specific case, we don't need AdaptOption.
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func (s *SerializationConfig) Adapt(_ context.Context, n *vo.Node, _ ...nodes.AdaptOption) (*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.NodeTypeJsonSerialization,
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Name: n.Data.Meta.Title,
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Configs: s, // remember to set the Node's Config Type to NodeSchema as well
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}
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// this sets input fields' type and mapping info
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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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// this set output fields' type info
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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 (s *SerializationConfig) Build(_ context.Context, _ *schema.NodeSchema, _ ...schema.BuildOption) (
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any, error) {
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return &Serializer{}, nil
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}
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// Serializer is the actual node implementation.
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type Serializer struct {
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// here can holds ANY data required for node execution
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}
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// Invoke implements the InvokableNode interface.
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func (js *Serializer) Invoke(_ context.Context, input map[string]any) (map[string]any, error) {
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// Directly use the input map for serialization
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if input == nil {
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return nil, fmt.Errorf("input data for serialization cannot be nil")
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}
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originData := input[InputKeySerialization]
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serializedData, err := sonic.Marshal(originData) // Serialize the entire input map
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if err != nil {
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return nil, fmt.Errorf("serialization error: %w", err)
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}
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return map[string]any{OutputKeySerialization: string(serializedData)}, nil
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}
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