76 lines
2.2 KiB
Go
76 lines
2.2 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 builtin
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import (
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"context"
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"encoding/json"
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"fmt"
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"github.com/cloudwego/eino/components/prompt"
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"github.com/cloudwego/eino/compose"
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"github.com/cloudwego/eino/schema"
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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/messages2query"
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)
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func NewMessagesToQuery(_ context.Context, model chatmodel.BaseChatModel, template prompt.ChatTemplate) (messages2query.MessagesToQuery, error) {
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return &m2q{model, template}, nil
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}
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type m2q struct {
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cm chatmodel.BaseChatModel
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tpl prompt.ChatTemplate
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}
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func (m *m2q) MessagesToQuery(ctx context.Context, messages []*schema.Message, opts ...messages2query.Option) (newQuery string, err error) {
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o := &messages2query.Options{ChatModel: m.cm}
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for _, opt := range opts {
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opt(o)
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}
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if o.ChatModel == nil {
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return "", fmt.Errorf("[MessagesToQuery] chat model not configured")
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}
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ch := compose.NewChain[[]*schema.Message, string]().
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AppendLambda(compose.InvokableLambda(func(ctx context.Context, input []*schema.Message) (output map[string]any, err error) {
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if len(input) == 0 {
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return nil, fmt.Errorf("no input message")
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}
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b, err := json.MarshalIndent(input, "", "\t")
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if err != nil {
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return nil, err
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}
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return map[string]interface{}{"messages": string(b)}, nil
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})).
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AppendChatTemplate(m.tpl).
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AppendChatModel(o.ChatModel).
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AppendLambda(compose.InvokableLambda(func(ctx context.Context, input *schema.Message) (output string, err error) {
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return input.Content, nil
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}))
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r, err := ch.Compile(ctx)
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if err != nil {
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return "", err
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}
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return r.Invoke(ctx, messages)
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}
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