feat: 迁移plant

app/plant/api/internal/logic/ocr/ocrClassifyLogic.go

@@ -5,6 +5,12 @@ package ocr
 
 import (
 	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"strings"
 
 	"sundynix-micro-go/app/plant/api/internal/svc"
 	"sundynix-micro-go/app/plant/api/internal/types"
@@ -27,8 +33,60 @@ func NewOcrClassifyLogic(ctx context.Context, svcCtx *svc.ServiceContext) *OcrCl
 	}
 }
 
-func (l *OcrClassifyLogic) OcrClassify(req *types.OcrReq) error {
-	// todo: add your logic here and delete this line
-
-	return nil
+// baiduTokenResp 百度 token 响应
+type baiduTokenResp struct {
+	AccessToken string `json:"access_token"`
+}
+
+// OcrClassify 调用百度 AI 植物识别接口
+func (l *OcrClassifyLogic) OcrClassify(req *types.OcrReq) (interface{}, error) {
+	// 1. 获取百度 access_token
+	apiKey := l.svcCtx.Config.BaiduOcr.ApiKey
+	secretKey := l.svcCtx.Config.BaiduOcr.SecretKey
+	if apiKey == "" || secretKey == "" {
+		return nil, fmt.Errorf("百度 OCR 未配置 ApiKey/SecretKey")
+	}
+
+	tokenURL := fmt.Sprintf(
+		"https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials&client_id=%s&client_secret=%s",
+		apiKey, secretKey,
+	)
+	tokenResp, err := http.Post(tokenURL, "application/x-www-form-urlencoded", nil)
+	if err != nil {
+		return nil, fmt.Errorf("获取百度 token 失败: %w", err)
+	}
+	defer tokenResp.Body.Close()
+	tokenBody, _ := io.ReadAll(tokenResp.Body)
+	var tokenObj baiduTokenResp
+	if err = json.Unmarshal(tokenBody, &tokenObj); err != nil || tokenObj.AccessToken == "" {
+		return nil, fmt.Errorf("解析百度 token 失败")
+	}
+
+	// 2. 调用植物识别接口（传入图片 URL）
+	apiURL := "https://aip.baidubce.com/rest/2.0/image-classify/v1/plant?access_token=" + tokenObj.AccessToken
+	payload := strings.NewReader("url=" + url.QueryEscape(req.ImageUrl) + "&baike_num=1")
+	classifyReq, err := http.NewRequest("POST", apiURL, payload)
+	if err != nil {
+		return nil, fmt.Errorf("创建请求失败: %w", err)
+	}
+	classifyReq.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+
+	client := &http.Client{}
+	classifyResp, err := client.Do(classifyReq)
+	if err != nil {
+		return nil, fmt.Errorf("调用百度植物识别接口失败: %w", err)
+	}
+	defer classifyResp.Body.Close()
+
+	body, err := io.ReadAll(classifyResp.Body)
+	if err != nil {
+		return nil, fmt.Errorf("读取识别结果失败: %w", err)
+	}
+
+	// 3. 直接返回百度原始结果（前端自行解析 result 字段）
+	var result interface{}
+	if err = json.Unmarshal(body, &result); err != nil {
+		return nil, fmt.Errorf("解析识别结果失败: %w", err)
+	}
+	return result, nil
 }