147 lines
3.9 KiB
Go
147 lines
3.9 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 variableassigner
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import (
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"context"
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"fmt"
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"strings"
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"sync"
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"github.com/cloudwego/eino/compose"
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"github.com/coze-dev/coze-studio/backend/domain/workflow/crossdomain/variable"
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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/execute"
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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/pkg/errorx"
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"github.com/coze-dev/coze-studio/backend/types/errno"
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)
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type AppVariables struct {
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vars map[string]any
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mu sync.RWMutex
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}
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func NewAppVariables() *AppVariables {
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return &AppVariables{
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vars: make(map[string]any),
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}
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}
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func (av *AppVariables) Set(key string, value any) {
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av.mu.Lock()
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av.vars[key] = value
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av.mu.Unlock()
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}
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func (av *AppVariables) Get(key string) (any, bool) {
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av.mu.RLock()
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defer av.mu.RUnlock()
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if value, ok := av.vars[key]; ok {
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return value, ok
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}
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return nil, false
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}
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type AppVariableStore interface {
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GetAppVariableValue(key string) (any, bool)
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SetAppVariableValue(key string, value any)
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}
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type VariableAssigner struct {
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config *Config
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}
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type Config struct {
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Pairs []*Pair
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Handler *variable.Handler
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}
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type Pair struct {
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Left vo.Reference
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Right compose.FieldPath
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}
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func NewVariableAssigner(_ context.Context, conf *Config) (*VariableAssigner, error) {
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for _, pair := range conf.Pairs {
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if pair.Left.VariableType == nil {
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return nil, fmt.Errorf("cannot assign to output of nodes in VariableAssigner, ref: %v", pair.Left)
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}
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if *pair.Left.VariableType == vo.GlobalSystem {
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return nil, fmt.Errorf("cannot assign to global system variables in VariableAssigner because they are read-only, ref: %v", pair.Left)
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}
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vType := *pair.Left.VariableType
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if vType != vo.GlobalAPP && vType != vo.GlobalUser {
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return nil, fmt.Errorf("cannot assign to variable type %s in VariableAssigner", vType)
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}
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}
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return &VariableAssigner{
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config: conf,
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}, nil
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}
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func (v *VariableAssigner) Assign(ctx context.Context, in map[string]any) (map[string]any, error) {
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for _, pair := range v.config.Pairs {
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right, ok := nodes.TakeMapValue(in, pair.Right)
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if !ok {
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return nil, vo.NewError(errno.ErrInputFieldMissing, errorx.KV("name", strings.Join(pair.Right, ".")))
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}
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vType := *pair.Left.VariableType
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switch vType {
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case vo.GlobalAPP:
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err := compose.ProcessState(ctx, func(ctx context.Context, appVarsStore AppVariableStore) error {
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if len(pair.Left.FromPath) != 1 {
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return fmt.Errorf("can only assign to top level variable: %v", pair.Left.FromPath)
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}
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appVarsStore.SetAppVariableValue(pair.Left.FromPath[0], right)
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return nil
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})
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if err != nil {
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return nil, err
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}
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case vo.GlobalUser:
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opts := make([]variable.OptionFn, 0, 1)
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if exeCtx := execute.GetExeCtx(ctx); exeCtx != nil {
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exeCfg := exeCtx.RootCtx.ExeCfg
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opts = append(opts, variable.WithStoreInfo(variable.StoreInfo{
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AgentID: exeCfg.AgentID,
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AppID: exeCfg.AppID,
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ConnectorID: exeCfg.ConnectorID,
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ConnectorUID: exeCfg.ConnectorUID,
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}))
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}
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err := v.config.Handler.Set(ctx, *pair.Left.VariableType, pair.Left.FromPath, right, opts...)
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if err != nil {
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return nil, vo.WrapIfNeeded(errno.ErrVariablesAPIFail, err)
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}
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default:
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panic("impossible")
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}
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}
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// TODO if not error considered successful
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return map[string]any{
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"isSuccess": true,
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}, nil
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}
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