one-api/providers/openai/image_generations.go

package openai

import (
	"net/http"
	"one-api/common"
	"one-api/types"
)

func (p *OpenAIProvider) CreateImageGenerations(request *types.ImageRequest) (*types.ImageResponse, *types.OpenAIErrorWithStatusCode) {
	if !IsWithinRange(request.Model, request.N) {
		return nil, common.StringErrorWrapper("n_not_within_range", "n_not_within_range", http.StatusBadRequest)
	}

	req, errWithCode := p.GetRequestTextBody(common.RelayModeImagesGenerations, request.Model, request)
	if errWithCode != nil {
		return nil, errWithCode
	}
	defer req.Body.Close()

	response := &OpenAIProviderImageResponse{}
	// 发送请求
	_, errWithCode = p.Requester.SendRequest(req, response, false)
	if errWithCode != nil {
		return nil, errWithCode
	}

	// 检测是否错误
	openaiErr := ErrorHandle(&response.OpenAIErrorResponse)
	if openaiErr != nil {
		errWithCode = &types.OpenAIErrorWithStatusCode{
			OpenAIError: *openaiErr,
			StatusCode:  http.StatusBadRequest,
		}
		return nil, errWithCode
	}

	p.Usage.TotalTokens = p.Usage.PromptTokens

	return &response.ImageResponse, nil

}

func IsWithinRange(element string, value int) bool {
	if _, ok := common.DalleGenerationImageAmounts[element]; !ok {
		return false
	}
	min := common.DalleGenerationImageAmounts[element][0]
	max := common.DalleGenerationImageAmounts[element][1]

	return value >= min && value <= max
}