161 lines
3.7 KiB
Go
161 lines
3.7 KiB
Go
package ragflow
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import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"strings"
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"github.com/gogf/gf/v2/frame/g"
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"github.com/gogf/gf/v2/net/gclient"
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"github.com/gogf/gf/v2/os/gcfg"
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)
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var (
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// globalClient 全局 RAGFlow 客户端（单例，自动初始化）
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globalClient *Client
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)
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// init 包初始化时自动创建全局客户端
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func init() {
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ctx := context.Background()
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// 读取配置
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baseURL, apiKey := loadConfig(ctx)
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// 如果配置不完整，跳过初始化
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if baseURL == "" || apiKey == "" {
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g.Log().Warning(ctx, "⚠️ RAGFlow 配置未找到，请在 common/ragflow/config.yaml 中配置")
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return
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}
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// 初始化全局客户端
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httpClient := gclient.New()
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httpClient.SetHeader("Authorization", fmt.Sprintf("Bearer %s", apiKey))
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httpClient.SetHeader("Content-Type", "application/json")
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globalClient = &Client{
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BaseURL: strings.TrimSuffix(baseURL, "/"),
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APIKey: apiKey,
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HTTPClient: httpClient,
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}
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g.Log().Infof(ctx, "✅ RAGFlow 全局客户端初始化成功: baseURL=%s", baseURL)
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}
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// loadConfig 从配置文件加载 RAGFlow 配置
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func loadConfig(ctx context.Context) (baseURL, apiKey string) {
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// 创建配置实例
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cfg, err := gcfg.New()
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if err != nil {
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g.Log().Debugf(ctx, "创建配置实例失败: %v", err)
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return "", ""
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}
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// 设置配置文件
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adapter, ok := cfg.GetAdapter().(*gcfg.AdapterFile)
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if !ok {
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g.Log().Debug(ctx, "配置适配器类型不匹配")
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return "", ""
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}
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adapter.SetFileName("config.yaml")
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// 读取配置项
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baseURL = cfg.MustGet(ctx, "ragflow.base_url").String()
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apiKey = cfg.MustGet(ctx, "ragflow.api_key").String()
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return baseURL, apiKey
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}
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// GetGlobalClient 获取全局客户端
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// 使用示例：client := ragflow.GetGlobalClient()
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func GetGlobalClient() *Client {
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return globalClient
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}
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// Client RAGFlow API 客户端
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type Client struct {
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BaseURL string
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APIKey string
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HTTPClient *gclient.Client // HTTP 客户端
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}
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// CommonResponse 通用响应结构
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type CommonResponse struct {
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Code int `json:"code"`
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Message string `json:"message"`
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Data interface{} `json:"data,omitempty"`
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}
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// IsSuccess 检查响应是否成功
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func (r *CommonResponse) IsSuccess() bool {
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return r.Code == 0
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}
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// request 发送 HTTP 请求
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func (c *Client) request(ctx context.Context, method, path string, body interface{}, result interface{}) error {
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fullURL := c.BaseURL + path
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var reqBody io.Reader
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if body != nil {
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jsonData, err := json.Marshal(body)
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if err != nil {
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return fmt.Errorf("marshal request body failed: %w", err)
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}
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reqBody = strings.NewReader(string(jsonData))
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}
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var resp *gclient.Response
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var err error
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switch method {
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case "GET":
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resp, err = c.HTTPClient.Get(ctx, fullURL)
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case "POST":
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resp, err = c.HTTPClient.Post(ctx, fullURL, reqBody)
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case "PUT":
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resp, err = c.HTTPClient.Put(ctx, fullURL, reqBody)
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case "DELETE":
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resp, err = c.HTTPClient.Delete(ctx, fullURL, reqBody)
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default:
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return fmt.Errorf("unsupported method: %s", method)
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}
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if err != nil {
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return fmt.Errorf("http request failed: %w", err)
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}
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defer resp.Close()
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("http request failed with status: %d", resp.StatusCode)
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}
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respBody := resp.ReadAll()
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if err != nil {
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return fmt.Errorf("read response body failed: %w", err)
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}
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if err := json.Unmarshal(respBody, result); err != nil {
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return fmt.Errorf("unmarshal response failed: %w", err)
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}
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return nil
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}
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// buildQueryString 构建查询字符串
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func buildQueryString(params map[string]interface{}) string {
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if len(params) == 0 {
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return ""
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}
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var parts []string
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for k, v := range params {
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parts = append(parts, fmt.Sprintf("%s=%v", url.QueryEscape(k), url.QueryEscape(fmt.Sprintf("%v", v))))
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}
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return strings.Join(parts, "&")
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}
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