coze-studio/backend/domain/agent/singleagent/internal/agentflow/node_chat_model.go

73 lines
2.0 KiB
Go

/*
* Copyright 2025 coze-dev Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package agentflow
import (
"context"
"fmt"
"github.com/coze-dev/coze-studio/backend/infra/contract/chatmodel"
"github.com/coze-dev/coze-studio/backend/infra/contract/modelmgr"
"github.com/coze-dev/coze-studio/backend/pkg/errorx"
"github.com/coze-dev/coze-studio/backend/types/errno"
)
type config struct {
modelFactory chatmodel.Factory
modelInfo *modelmgr.Model
}
func newChatModel(ctx context.Context, conf *config) (chatmodel.ToolCallingChatModel, error) {
if conf.modelInfo == nil {
return nil, fmt.Errorf("model is nil")
}
modelDetail := conf.modelInfo
modelMeta := modelDetail.Meta
if !conf.modelFactory.SupportProtocol(modelMeta.Protocol) {
return nil, errorx.New(errno.ErrAgentSupportedChatModelProtocol,
errorx.KV("protocol", string(modelMeta.Protocol)))
}
cm, err := conf.modelFactory.CreateChatModel(ctx, modelDetail.Meta.Protocol, conf.modelInfo.Meta.ConnConfig)
if err != nil {
return nil, err
}
return cm, nil
}
func loadModelInfo(ctx context.Context, manager modelmgr.Manager, modelID int64) (*modelmgr.Model, error) {
if modelID == 0 {
return nil, fmt.Errorf("modelID is required")
}
models, err := manager.MGetModelByID(ctx, &modelmgr.MGetModelRequest{
IDs: []int64{modelID},
})
if err != nil {
return nil, fmt.Errorf("MGetModelByID failed, err=%w", err)
}
if len(models) == 0 {
return nil, fmt.Errorf("model not found, modelID=%v", modelID)
}
return models[0], nil
}