✨ add: add Translation api

providers/openai/translations.go

@@ -0,0 +1,60 @@
+package openai
+
+import (
+	"bytes"
+	"net/http"
+	"one-api/common"
+	"one-api/types"
+)
+
+func (p *OpenAIProvider) TranslationAction(request *types.AudioRequest, isModelMapped bool, promptTokens int) (usage *types.Usage, errWithCode *types.OpenAIErrorWithStatusCode) {
+	fullRequestURL := p.GetFullRequestURL(p.AudioTranslations, request.Model)
+	headers := p.GetRequestHeaders()
+
+	client := common.NewClient()
+
+	var formBody bytes.Buffer
+	var req *http.Request
+	var err error
+	if isModelMapped {
+		builder := client.CreateFormBuilder(&formBody)
+		if err := audioMultipartForm(request, builder); err != nil {
+			return nil, types.ErrorWrapper(err, "create_form_builder_failed", http.StatusInternalServerError)
+		}
+		req, err = client.NewRequest(p.Context.Request.Method, fullRequestURL, common.WithBody(&formBody), common.WithHeader(headers), common.WithContentType(builder.FormDataContentType()))
+		req.ContentLength = int64(formBody.Len())
+
+	} else {
+		req, err = client.NewRequest(p.Context.Request.Method, fullRequestURL, common.WithBody(p.Context.Request.Body), common.WithHeader(headers), common.WithContentType(p.Context.Request.Header.Get("Content-Type")))
+		req.ContentLength = p.Context.Request.ContentLength
+	}
+
+	if err != nil {
+		return nil, types.ErrorWrapper(err, "new_request_failed", http.StatusInternalServerError)
+	}
+
+	var textResponse string
+	if hasJSONResponse(request) {
+		openAIProviderTranscriptionsResponse := &OpenAIProviderTranscriptionsResponse{}
+		errWithCode = p.SendRequest(req, openAIProviderTranscriptionsResponse, true)
+		if errWithCode != nil {
+			return
+		}
+		textResponse = openAIProviderTranscriptionsResponse.Text
+	} else {
+		openAIProviderTranscriptionsTextResponse := new(OpenAIProviderTranscriptionsTextResponse)
+		errWithCode = p.SendRequest(req, openAIProviderTranscriptionsTextResponse, true)
+		if errWithCode != nil {
+			return
+		}
+		textResponse = getTextContent(*openAIProviderTranscriptionsTextResponse.GetString(), request.ResponseFormat)
+	}
+
+	completionTokens := common.CountTokenText(textResponse, request.Model)
+	usage = &types.Usage{
+		PromptTokens:     promptTokens,
+		CompletionTokens: completionTokens,
+		TotalTokens:      promptTokens + completionTokens,
+	}
+	return
+}