init conversation API with openai component

conversation/README.md

@@ -0,0 +1,3 @@
+# Conversation
+
+Conversations provide a common way to converse with different LLM providers.

conversation/converse.go

@@ -0,0 +1,53 @@
+/*
+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"
+
+	"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 *ConversationRequest) (*ConversationResponse, error)
+}
+
+type ConversationRequest struct {
+	Inputs              []string              `json:"inputs"`
+	Parameters          map[string]*anypb.Any `json:"parameters"`
+	ConversationContext string                `json:"conversationContext"`
+
+	// from metadata
+	Key       string   `json:"key"`
+	Model     string   `json:"model"`
+	Endpoints []string `json:"endpoints"`
+	Policy    string   `json:"loadBalancingPolicy"`
+}
+
+type ConversationResult struct {
+	Result     string                `json:"result"`
+	Parameters map[string]*anypb.Any `json:"parameters"`
+}
+
+type ConversationResponse struct {
+	ConversationContext string               `json:"conversationContext"`
+	Outputs             []ConversationResult `json:"outputs"`
+}

conversation/metadata.go

@@ -0,0 +1,22 @@
+/*
+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 "github.com/dapr/components-contrib/metadata"
+
+// Metadata represents a set of conversation specific properties.
+type Metadata struct {
+	metadata.Base `json:",inline"`
+}

conversation/openai/openai.go

@@ -0,0 +1,105 @@
+/*
+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 openai
+
+import (
+	"context"
+	"reflect"
+
+	"github.com/dapr/components-contrib/conversation"
+	"github.com/dapr/components-contrib/metadata"
+	"github.com/dapr/kit/logger"
+	kmeta "github.com/dapr/kit/metadata"
+
+	openai "github.com/sashabaranov/go-openai"
+)
+
+type OpenAI struct {
+	cilent *openai.Client
+	model  string
+
+	logger logger.Logger
+}
+
+func NewOpenAI(logger logger.Logger) conversation.Conversation {
+	o := &OpenAI{
+		logger: logger,
+	}
+
+	return o
+}
+
+func (o *OpenAI) Init(ctx context.Context, meta conversation.Metadata) error {
+	r := &conversation.ConversationRequest{}
+	err := kmeta.DecodeMetadata(meta.Properties, &r)
+	if err != nil {
+		return err
+	}
+
+	o.cilent = openai.NewClient(r.Key)
+	o.model = r.Model
+
+	return nil
+}
+
+func (o *OpenAI) GetComponentMetadata() (metadataInfo metadata.MetadataMap) {
+	metadataStruct := conversation.ConversationRequest{}
+	metadata.GetMetadataInfoFromStructType(reflect.TypeOf(metadataStruct), &metadataInfo, metadata.StateStoreType)
+	return
+}
+
+func (o *OpenAI) Converse(ctx context.Context, r *conversation.ConversationRequest) (res *conversation.ConversationResponse, err error) {
+	// Note: OPENAI does not support load balance
+
+	messages := make([]openai.ChatCompletionMessage, 0, len(r.Inputs))
+
+	for _, input := range r.Inputs {
+		messages = append(messages, openai.ChatCompletionMessage{
+			Role:    openai.ChatMessageRoleUser,
+			Content: input,
+		})
+	}
+
+	req := openai.ChatCompletionRequest{
+		Model:    o.model,
+		Messages: messages,
+	}
+
+	// TODO: support ConversationContext
+
+	resp, err := o.cilent.CreateChatCompletion(ctx, req)
+	if err != nil {
+		o.logger.Error(err)
+		return nil, err
+	}
+
+	o.logger.Debug(resp)
+
+	outputs := make([]conversation.ConversationResult, 0, len(resp.Choices))
+
+	for i := range resp.Choices {
+		outputs = append(outputs, conversation.ConversationResult{
+			Result:     resp.Choices[i].Message.Content,
+			Parameters: r.Parameters,
+		})
+	}
+
+	res = &conversation.ConversationResponse{
+		ConversationContext: resp.ID,
+		Outputs:             outputs,
+	}
+
+	return res, nil
+}

go.mod

@@ -101,6 +101,7 @@ require (
 	github.com/rabbitmq/amqp091-go v1.8.1
 	github.com/redis/go-redis/v9 v9.2.1
 	github.com/riferrei/srclient v0.6.0
+	github.com/sashabaranov/go-openai v1.27.1
 	github.com/sendgrid/sendgrid-go v3.13.0+incompatible
 	github.com/sijms/go-ora/v2 v2.7.18
 	github.com/spf13/cast v1.5.1

go.sum

@@ -1424,6 +1424,8 @@ github.com/ryanuber/go-glob v1.0.0/go.mod h1:807d1WSdnB0XRJzKNil9Om6lcp/3a0v4qIH
 github.com/samuel/go-zookeeper v0.0.0-20190923202752-2cc03de413da/go.mod h1:gi+0XIa01GRL2eRQVjQkKGqKF3SF9vZR/HnPullcV2E=
 github.com/santhosh-tekuri/jsonschema/v5 v5.0.0 h1:TToq11gyfNlrMFZiYujSekIsPd9AmsA2Bj/iv+s4JHE=
 github.com/santhosh-tekuri/jsonschema/v5 v5.0.0/go.mod h1:FKdcjfQW6rpZSnxxUvEA5H/cDPdvJ/SZJQLWWXWGrZ0=
+github.com/sashabaranov/go-openai v1.27.1 h1:7Nx6db5NXbcoutNmAUQulEQZEpHG/SkzfexP2X5RWMk=
+github.com/sashabaranov/go-openai v1.27.1/go.mod h1:lj5b/K+zjTSFxVLijLSTDZuP7adOgerWeFyZLUhAKRg=
 github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 h1:nn5Wsu0esKSJiIVhscUtVbo7ada43DJhG55ua/hjS5I=
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=