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183
internal/infrastructure/external/tianyancha/tianyancha_service.go
vendored
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183
internal/infrastructure/external/tianyancha/tianyancha_service.go
vendored
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package tianyancha
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import (
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"context"
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"encoding/json"
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"errors"
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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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"time"
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)
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var (
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ErrDatasource = errors.New("数据源异常")
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ErrNotFound = errors.New("查询为空")
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ErrSystem = errors.New("系统异常")
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ErrInvalidParam = errors.New("参数错误")
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)
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// APIEndpoints 天眼查 API 端点映射
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var APIEndpoints = map[string]string{
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"VerifyThreeElements": "/open/ic/verify/2.0", // 企业三要素验证
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"InvestHistory": "/open/hi/invest/2.0", // 对外投资历史
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"FinancingHistory": "/open/cd/findHistoryRongzi/2.0", // 融资历史
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"PunishmentInfo": "/open/mr/punishmentInfo/3.0", // 行政处罚
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"AbnormalInfo": "/open/mr/abnormal/2.0", // 经营异常
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"OwnTax": "/open/mr/ownTax/2.0", // 欠税公告
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"TaxContravention": "/open/mr/taxContravention/2.0", // 税收违法
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"holderChange": "/open/ic/holderChange/2.0", // 股权变更
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"baseinfo": "/open/ic/baseinfo/normal", // 企业基本信息
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"investtree": "/v3/open/investtree", // 股权穿透
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}
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// TianYanChaConfig 天眼查配置
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type TianYanChaConfig struct {
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BaseURL string
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Token string
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Timeout time.Duration
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}
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// TianYanChaService 天眼查服务
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type TianYanChaService struct {
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config TianYanChaConfig
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}
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// APIResponse 标准API响应结构
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type APIResponse struct {
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Success bool `json:"success"`
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Code int `json:"code"`
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Message string `json:"message"`
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Data interface{} `json:"data"`
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}
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// TianYanChaResponse 天眼查原始响应结构
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type TianYanChaResponse struct {
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ErrorCode int `json:"error_code"`
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Reason string `json:"reason"`
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Result interface{} `json:"result"`
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}
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// NewTianYanChaService 创建天眼查服务实例
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func NewTianYanChaService(baseURL, token string, timeout time.Duration) *TianYanChaService {
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if timeout == 0 {
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timeout = 60 * time.Second
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}
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return &TianYanChaService{
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config: TianYanChaConfig{
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BaseURL: baseURL,
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Token: token,
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Timeout: timeout,
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},
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}
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}
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// CallAPI 调用天眼查API - 通用方法,由外部处理器传入具体参数
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func (t *TianYanChaService) CallAPI(ctx context.Context, apiCode string, params map[string]string) (*APIResponse, error) {
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// 从映射中获取 API 端点
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endpoint, exists := APIEndpoints[apiCode]
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if !exists {
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return nil, errors.Join(ErrInvalidParam, fmt.Errorf("未找到 API 代码对应的端点: %s", apiCode))
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}
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// 构建完整 URL
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fullURL := strings.TrimRight(t.config.BaseURL, "/") + "/" + strings.TrimLeft(endpoint, "/")
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// 检查 Token 是否配置
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if t.config.Token == "" {
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return nil, errors.Join(ErrSystem, fmt.Errorf("天眼查 API Token 未配置"))
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}
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// 构建查询参数
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queryParams := url.Values{}
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for key, value := range params {
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queryParams.Set(key, value)
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}
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// 构建完整URL
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requestURL := fullURL
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if len(queryParams) > 0 {
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requestURL += "?" + queryParams.Encode()
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}
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// 创建请求
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req, err := http.NewRequestWithContext(ctx, "GET", requestURL, nil)
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if err != nil {
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return nil, errors.Join(ErrSystem, fmt.Errorf("创建请求失败: %v", err))
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}
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// 设置请求头
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req.Header.Set("Authorization", t.config.Token)
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// 发送请求
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client := &http.Client{Timeout: t.config.Timeout}
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resp, err := client.Do(req)
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if err != nil {
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// 检查是否是超时错误
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isTimeout := false
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if ctx.Err() == context.DeadlineExceeded {
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isTimeout = true
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} else if netErr, ok := err.(interface{ Timeout() bool }); ok && netErr.Timeout() {
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isTimeout = true
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} else if errStr := err.Error(); errStr == "context deadline exceeded" ||
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errStr == "timeout" ||
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errStr == "Client.Timeout exceeded" ||
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errStr == "net/http: request canceled" {
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isTimeout = true
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}
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if isTimeout {
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return nil, errors.Join(ErrDatasource, fmt.Errorf("API请求超时: %v", err))
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}
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return nil, errors.Join(ErrDatasource, fmt.Errorf("API 请求异常: %v", err))
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}
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defer resp.Body.Close()
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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, errors.Join(ErrDatasource, fmt.Errorf("API 请求失败,状态码: %d", resp.StatusCode))
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}
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// 读取响应体
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, errors.Join(ErrSystem, fmt.Errorf("读取响应体失败: %v", err))
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}
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// 解析 JSON 响应
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var tianYanChaResp TianYanChaResponse
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if err := json.Unmarshal(body, &tianYanChaResp); err != nil {
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return nil, errors.Join(ErrSystem, fmt.Errorf("解析响应 JSON 失败: %v", err))
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}
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// 检查天眼查业务状态码
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if tianYanChaResp.ErrorCode != 0 {
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// 特殊处理:ErrorCode 300000 表示查询为空,返回成功但数据为空数组
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if tianYanChaResp.ErrorCode == 300000 {
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return &APIResponse{
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Success: true,
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Code: 0,
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Message: "",
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Data: []interface{}{}, // 返回空数组而不是nil
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}, nil
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}
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return &APIResponse{
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Success: false,
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Code: tianYanChaResp.ErrorCode,
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Message: tianYanChaResp.Reason,
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Data: tianYanChaResp.Result,
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}, nil
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}
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// 成功情况
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return &APIResponse{
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Success: true,
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Code: 0,
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Message: tianYanChaResp.Reason,
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Data: tianYanChaResp.Result,
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}, nil
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}
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