103 lines
2.6 KiB
Go
103 lines
2.6 KiB
Go
package handler
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"mime/multipart"
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"net/http"
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"time"
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)
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// ConvertResponse 定义接口响应结构
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type ConvertResponse struct {
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Filename string `json:"filename"`
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LlmUsed bool `json:"llm_used"`
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Markdown string `json:"markdown"`
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Size int `json:"size"`
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Success bool `json:"success"`
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Title *string `json:"title"`
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}
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// ConvertRequest 定义请求参数结构
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type ConvertRequest struct {
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File multipart.File
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FileName string
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LlmModel string
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LlmApiKey string
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LlmBaseUrl string
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LlmPrompt string
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}
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const url = "http://121.199.38.107:5001/convert"
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// ConvertFile 调用 /convert 接口识别本地文件内容
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func ConvertFile(req ConvertRequest) (*ConvertResponse, error) {
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defer req.File.Close()
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// 创建 multipart 表单
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body := &bytes.Buffer{}
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writer := multipart.NewWriter(body)
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// 添加文件字段
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part, err := writer.CreateFormFile("file", req.FileName)
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if err != nil {
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return nil, fmt.Errorf("创建文件表单字段失败: %w", err)
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}
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if _, err := io.Copy(part, req.File); err != nil {
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return nil, fmt.Errorf("复制文件内容失败: %w", err)
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}
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// 添加可选参数（如果提供）
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if req.LlmModel != "" {
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_ = writer.WriteField("llm_model", req.LlmModel)
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}
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if req.LlmApiKey != "" {
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_ = writer.WriteField("llm_api_key", req.LlmApiKey)
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}
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if req.LlmBaseUrl != "" {
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_ = writer.WriteField("llm_base_url", req.LlmBaseUrl)
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}
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if req.LlmPrompt != "" {
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_ = writer.WriteField("llm_prompt", req.LlmPrompt)
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}
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// 关闭 multipart writer
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if err = writer.Close(); err != nil {
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return nil, fmt.Errorf("关闭表单写入器失败: %w", err)
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}
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// 创建 HTTP 请求
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httpReq, err := http.NewRequest("POST", url, body)
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if err != nil {
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return nil, fmt.Errorf("创建HTTP请求失败: %w", err)
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}
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httpReq.Header.Set("Content-Type", writer.FormDataContentType())
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// 发送请求
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client := &http.Client{Timeout: 60 * time.Second}
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resp, err := client.Do(httpReq)
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if err != nil {
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return nil, fmt.Errorf("发送请求失败: %w", err)
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}
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defer resp.Body.Close()
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// 读取响应
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respBody, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("读取响应失败: %w", err)
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}
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// 检查 HTTP 状态码
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("请求返回非200状态码: %d, 响应: %s", resp.StatusCode, string(respBody))
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}
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// 解析响应 JSON
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var result ConvertResponse
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if err := json.Unmarshal(respBody, &result); err != nil {
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return nil, fmt.Errorf("解析响应JSON失败: %w, 原始响应: %s", err, string(respBody))
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}
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return &result, nil
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}
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