101 lines
2.6 KiB
Go
101 lines
2.6 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 model
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import (
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"context"
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"fmt"
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model2 "github.com/cloudwego/eino/components/model"
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"github.com/coze-dev/coze-studio/backend/domain/workflow/crossdomain/model"
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"github.com/coze-dev/coze-studio/backend/infra/contract/chatmodel"
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"github.com/coze-dev/coze-studio/backend/infra/contract/modelmgr"
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chatmodel2 "github.com/coze-dev/coze-studio/backend/infra/impl/chatmodel"
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"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
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)
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type ModelManager struct {
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modelMgr modelmgr.Manager
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factory chatmodel.Factory
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}
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func NewModelManager(m modelmgr.Manager, f chatmodel.Factory) *ModelManager {
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if f == nil {
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f = chatmodel2.NewDefaultFactory()
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}
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return &ModelManager{
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modelMgr: m,
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factory: f,
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}
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}
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func (m *ModelManager) GetModel(ctx context.Context, params *model.LLMParams) (model2.BaseChatModel, *modelmgr.Model, error) {
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modelID := params.ModelType
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models, err := m.modelMgr.MGetModelByID(ctx, &modelmgr.MGetModelRequest{
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IDs: []int64{modelID},
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})
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if err != nil {
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return nil, nil, err
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}
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var config *chatmodel.Config
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var protocol chatmodel.Protocol
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var mdl *modelmgr.Model
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for i := range models {
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md := models[i]
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if md.ID == modelID {
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protocol = md.Meta.Protocol
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config = md.Meta.ConnConfig
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mdl = md
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break
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}
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}
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if config == nil {
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return nil, nil, fmt.Errorf("model type %v ,not found config ", modelID)
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}
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if len(protocol) == 0 {
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return nil, nil, fmt.Errorf("model type %v ,not found protocol ", modelID)
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}
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if params.TopP != nil {
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config.TopP = ptr.Of(float32(ptr.From(params.TopP)))
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}
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if params.TopK != nil {
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config.TopK = params.TopK
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}
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if params.Temperature != nil {
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config.Temperature = ptr.Of(float32(ptr.From(params.Temperature)))
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}
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config.MaxTokens = ptr.Of(params.MaxTokens)
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// Whether you need to use a pointer
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config.FrequencyPenalty = ptr.Of(float32(params.FrequencyPenalty))
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config.PresencePenalty = ptr.Of(float32(params.PresencePenalty))
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cm, err := m.factory.CreateChatModel(ctx, protocol, config)
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if err != nil {
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return nil, nil, err
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}
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return cm, mdl, nil
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}
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