feat: 完成 #40 营销图后台七牛直传与页面上传能力

internal/marketing/handler/download_handler.go

@@ -1,10 +1,13 @@
 package handler
 
 import (
+	"errors"
 	"net/http"
 
 	"github.com/gin-gonic/gin"
 
+	"wx_service/config"
+	qiniuservice "wx_service/internal/common/qiniu/service"
 	"wx_service/internal/marketing/service"
 	"wx_service/internal/middleware"
 	"wx_service/internal/model"
@@ -89,3 +92,25 @@ func (h *DownloadHandler) AdminStats(c *gin.Context) {
 	}
 	c.JSON(http.StatusOK, model.Success(stats))
 }
+
+type adminQiniuTokenRequest struct {
+	Filename string `json:"filename"`
+}
+
+func (h *DownloadHandler) AdminQiniuToken(c *gin.Context) {
+	var req adminQiniuTokenRequest
+	_ = c.ShouldBindJSON(&req)
+
+	qiniuSvc := qiniuservice.NewQiniuService(config.AppConfig.Qiniu)
+	token, err := qiniuSvc.CreateUploadToken(0, 0, req.Filename)
+	if err != nil {
+		if errors.Is(err, qiniuservice.ErrQiniuNotConfigured) {
+			c.JSON(http.StatusServiceUnavailable, model.Error(http.StatusServiceUnavailable, "未配置七牛上传服务"))
+			return
+		}
+		c.JSON(http.StatusInternalServerError, model.Error(http.StatusInternalServerError, "获取上传凭证失败"))
+		return
+	}
+
+	c.JSON(http.StatusOK, model.Success(token))
+}