one-api/providers/bedrock/chat.go

package bedrock

import (
	"net/http"
	"one-api/common"
	"one-api/common/config"
	"one-api/common/requester"
	"one-api/providers/bedrock/category"
	"one-api/types"
)

func (p *BedrockProvider) CreateChatCompletion(request *types.ChatCompletionRequest) (*types.ChatCompletionResponse, *types.OpenAIErrorWithStatusCode) {
	// 发送请求
	response, errWithCode := p.Send(request)
	if errWithCode != nil {
		return nil, errWithCode
	}

	defer response.Body.Close()

	return p.Category.ResponseChatComplete(p, response, request)
}

func (p *BedrockProvider) CreateChatCompletionStream(request *types.ChatCompletionRequest) (requester.StreamReaderInterface[string], *types.OpenAIErrorWithStatusCode) {
	// 发送请求
	response, errWithCode := p.Send(request)
	if errWithCode != nil {
		return nil, errWithCode
	}

	return RequestStream(response, p.Category.ResponseChatCompleteStrem(p, request))
}

func (p *BedrockProvider) Send(request *types.ChatCompletionRequest) (*http.Response, *types.OpenAIErrorWithStatusCode) {
	req, errWithCode := p.getChatRequest(request)
	if errWithCode != nil {
		return nil, errWithCode
	}
	defer req.Body.Close()

	// 发送请求
	return p.Requester.SendRequestRaw(req)
}

func (p *BedrockProvider) getChatRequest(request *types.ChatCompletionRequest) (*http.Request, *types.OpenAIErrorWithStatusCode) {
	var err error
	p.Category, err = category.GetCategory(request.Model)
	if err != nil || p.Category.ChatComplete == nil || p.Category.ResponseChatComplete == nil {
		return nil, common.StringErrorWrapper("bedrock provider not found", "bedrock_err", http.StatusInternalServerError)
	}

	url, errWithCode := p.GetSupportedAPIUri(config.RelayModeChatCompletions)
	if errWithCode != nil {
		return nil, errWithCode
	}

	if request.Stream {
		url += "-with-response-stream"
	}

	// 获取请求地址
	fullRequestURL := p.GetFullRequestURL(url, p.Category.ModelName)
	if fullRequestURL == "" {
		return nil, common.ErrorWrapper(nil, "invalid_claude_config", http.StatusInternalServerError)
	}

	headers := p.GetRequestHeaders()

	bedrockRequest, errWithCode := p.Category.ChatComplete(request)
	if errWithCode != nil {
		return nil, errWithCode
	}

	// 创建请求
	req, err := p.Requester.NewRequest(http.MethodPost, fullRequestURL, p.Requester.WithBody(bedrockRequest), p.Requester.WithHeader(headers))
	if err != nil {
		return nil, common.ErrorWrapper(err, "new_request_failed", http.StatusInternalServerError)
	}
	p.Sign(req)

	return req, nil
}