components-contrib/conversation/converse.go

77 lines
2.2 KiB
Go

/*
Copyright 2024 The Dapr 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 conversation
import (
"context"
"io"
"github.com/tmc/langchaingo/llms"
"google.golang.org/protobuf/types/known/anypb"
"github.com/dapr/components-contrib/metadata"
)
type Conversation interface {
metadata.ComponentWithMetadata
Init(ctx context.Context, meta Metadata) error
Converse(ctx context.Context, req *Request) (*Response, error)
io.Closer
}
type Request struct {
// Message can be user input prompt/instructions and/or tool call responses.
Message *[]llms.MessageContent
Tools *[]llms.Tool
ToolChoice *string
Parameters map[string]*anypb.Any `json:"parameters"`
ConversationContext string `json:"conversationContext"`
Temperature float64 `json:"temperature"`
// from metadata
Key string `json:"key"`
Model string `json:"model"`
Endpoints []string `json:"endpoints"`
Policy string `json:"loadBalancingPolicy"`
}
type Response struct {
ConversationContext string `json:"conversationContext"`
Outputs []Result `json:"outputs"`
}
type Result struct {
StopReason string `json:"stopReason"`
Choices []Choice `json:"choices,omitempty"`
}
type Choice struct {
FinishReason string `json:"finishReason"`
Index int64 `json:"index"`
Message Message `json:"message"`
}
// Message represents the content of a choice
// where it can be a text message or a tool call.
type Message struct {
Content string `json:"content,omitempty"`
ToolCallRequest *[]llms.ToolCall `json:"toolCallRequest,omitempty"`
// Note: we do not have refusal passed back bc langchain does not support it.
}