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113 lines
2.8 KiB
Go
113 lines
2.8 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 modelbuilder
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import (
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"context"
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"github.com/cloudwego/eino-ext/components/model/gemini"
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"google.golang.org/genai"
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"github.com/coze-dev/coze-studio/backend/api/model/admin/config"
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"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
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)
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type geminiModelBuilder struct {
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cfg *config.Model
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}
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func newGeminiModelBuilder(cfg *config.Model) Service {
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return &geminiModelBuilder{
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cfg: cfg,
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}
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}
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func (g *geminiModelBuilder) getDefaultGeminiConfig() *gemini.Config {
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return &gemini.Config{}
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}
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func (g *geminiModelBuilder) getDefaultGenaiConfig() *genai.ClientConfig {
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return &genai.ClientConfig{
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HTTPOptions: genai.HTTPOptions{
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BaseURL: "https://generativelanguage.googleapis.com/",
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},
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}
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}
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func (g *geminiModelBuilder) applyParamsToGeminiConfig(conf *gemini.Config, params *LLMParams) {
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if params == nil {
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return
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}
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conf.TopK = params.TopK
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conf.TopP = params.TopP
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if params.Temperature != nil {
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conf.Temperature = ptr.Of(*params.Temperature)
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}
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if params.MaxTokens != 0 {
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conf.MaxTokens = ptr.Of(params.MaxTokens)
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}
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if params.EnableThinking != nil {
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conf.ThinkingConfig = &genai.ThinkingConfig{
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IncludeThoughts: *params.EnableThinking,
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}
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}
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}
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func (g *geminiModelBuilder) Build(ctx context.Context, params *LLMParams) (ToolCallingChatModel, error) {
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base := g.cfg.Connection.BaseConnInfo
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clientCfg := g.getDefaultGenaiConfig()
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if base.BaseURL != "" {
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clientCfg.HTTPOptions.BaseURL = base.BaseURL
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}
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clientCfg.APIKey = base.APIKey
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if g.cfg.Connection.Gemini != nil {
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clientCfg.Backend = genai.Backend(g.cfg.Connection.Gemini.Backend)
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clientCfg.Project = g.cfg.Connection.Gemini.Project
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clientCfg.Location = g.cfg.Connection.Gemini.Location
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}
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client, err := genai.NewClient(ctx, clientCfg)
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if err != nil {
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return nil, err
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}
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conf := g.getDefaultGeminiConfig()
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conf.Client = client
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conf.Model = base.Model
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switch base.ThinkingType {
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case config.ThinkingType_Enable:
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conf.ThinkingConfig = &genai.ThinkingConfig{
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IncludeThoughts: true,
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}
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case config.ThinkingType_Disable:
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conf.ThinkingConfig = &genai.ThinkingConfig{
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IncludeThoughts: false,
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}
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}
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g.applyParamsToGeminiConfig(conf, params)
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return gemini.NewChatModel(ctx, conf)
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}
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