114 lines
3.1 KiB
Go
114 lines
3.1 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 exit
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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/nodes/emitter"
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"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/schema"
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)
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type Config struct {
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Template string
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TerminatePlan vo.TerminatePlan
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}
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func (c *Config) Adapt(_ context.Context, n *vo.Node, _ ...nodes.AdaptOption) (*schema.NodeSchema, error) {
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if n.Parent() != nil {
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return nil, fmt.Errorf("exit node cannot have parent: %s", n.Parent().ID)
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}
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if n.ID != entity.ExitNodeKey {
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return nil, fmt.Errorf("exit node id must be %s, got %s", entity.ExitNodeKey, n.ID)
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}
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ns := &schema.NodeSchema{
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Key: entity.ExitNodeKey,
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Type: entity.NodeTypeExit,
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Name: n.Data.Meta.Title,
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Configs: c,
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}
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var (
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content *vo.BlockInput
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streamingOutput bool
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)
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if n.Data.Inputs.OutputEmitter != nil {
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content = n.Data.Inputs.Content
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streamingOutput = n.Data.Inputs.StreamingOutput
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}
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if streamingOutput {
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ns.StreamConfigs = &schema.StreamConfig{
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RequireStreamingInput: true,
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}
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} else {
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ns.StreamConfigs = &schema.StreamConfig{
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RequireStreamingInput: false,
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}
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}
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if content != nil {
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if content.Type != vo.VariableTypeString {
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return nil, fmt.Errorf("exit node's content type must be %s, got %s", vo.VariableTypeString, content.Type)
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}
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if content.Value.Type != vo.BlockInputValueTypeLiteral {
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return nil, fmt.Errorf("exit node's content value type must be %s, got %s", vo.BlockInputValueTypeLiteral, content.Value.Type)
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}
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c.Template = content.Value.Content.(string)
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}
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if n.Data.Inputs.TerminatePlan == nil {
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return nil, fmt.Errorf("exit node requires a TerminatePlan")
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}
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c.TerminatePlan = *n.Data.Inputs.TerminatePlan
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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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return ns, nil
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}
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func (c *Config) Build(_ context.Context, ns *schema.NodeSchema, _ ...schema.BuildOption) (any, error) {
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if c.TerminatePlan == vo.ReturnVariables {
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return &Exit{}, nil
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}
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return &emitter.OutputEmitter{
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Template: c.Template,
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FullSources: ns.FullSources,
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}, nil
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}
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type Exit struct{}
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func (e *Exit) Invoke(_ context.Context, in map[string]any) (map[string]any, error) {
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if in == nil {
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return map[string]any{}, nil
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}
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return in, nil
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}
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