项目初始化

internal/api/public/upload.go

@@ -0,0 +1,96 @@
+package public
+
+import (
+	"FileRelay/internal/config"
+	"FileRelay/internal/model"
+	"FileRelay/internal/service"
+	"net/http"
+	"strconv"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+type UploadHandler struct {
+	uploadService *service.UploadService
+}
+
+func NewUploadHandler() *UploadHandler {
+	return &UploadHandler{
+		uploadService: service.NewUploadService(),
+	}
+}
+
+type UploadResponse struct {
+	PickupCode string     `json:"pickup_code"`
+	ExpireAt   *time.Time `json:"expire_at"`
+	BatchID    uint       `json:"batch_id"`
+}
+
+// Upload 上传文件并生成取件码
+// @Summary      上传文件
+// @Description  上传一个或多个文件并创建一个提取批次
+// @Tags         Public
+// @Accept       multipart/form-data
+// @Produce      json
+// @Param        files       formData  file    true   "文件列表"
+// @Param        remark      formData  string  false  "备注"
+// @Param        expire_type formData  string  false  "过期类型 (time/download/permanent)"
+// @Param        expire_days formData  int     false  "过期天数 (针对 time 类型)"
+// @Param        max_downloads formData int    false  "最大下载次数 (针对 download 类型)"
+// @Success      200  {object}  model.Response{data=UploadResponse}
+// @Failure      400  {object}  model.Response
+// @Failure      500  {object}  model.Response
+// @Router       /api/upload [post]
+func (h *UploadHandler) Upload(c *gin.Context) {
+	form, err := c.MultipartForm()
+	if err != nil {
+		c.JSON(http.StatusBadRequest, model.ErrorResponse(model.CodeBadRequest, "invalid form"))
+		return
+	}
+
+	files := form.File["files"]
+	if len(files) == 0 {
+		c.JSON(http.StatusBadRequest, model.ErrorResponse(model.CodeBadRequest, "no files uploaded"))
+		return
+	}
+
+	if len(files) > config.GlobalConfig.Upload.MaxBatchFiles {
+		c.JSON(http.StatusBadRequest, model.ErrorResponse(model.CodeBadRequest, "too many files"))
+		return
+	}
+
+	remark := c.PostForm("remark")
+	expireType := c.PostForm("expire_type") // time / download / permanent
+	if expireType == "" {
+		expireType = "time"
+	}
+
+	var expireValue interface{}
+	switch expireType {
+	case "time":
+		days, _ := strconv.Atoi(c.PostForm("expire_days"))
+		if days <= 0 {
+			days = config.GlobalConfig.Upload.MaxRetentionDays
+		}
+		expireValue = days
+	case "download":
+		max, _ := strconv.Atoi(c.PostForm("max_downloads"))
+		if max <= 0 {
+			max = 1
+		}
+		expireValue = max
+	}
+
+	batch, err := h.uploadService.CreateBatch(c.Request.Context(), files, remark, expireType, expireValue)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, model.ErrorResponse(model.CodeInternalError, err.Error()))
+		return
+	}
+
+	c.JSON(http.StatusOK, model.SuccessResponse(UploadResponse{
+		PickupCode: batch.PickupCode,
+		ExpireAt:   batch.ExpireAt,
+		BatchID:    batch.ID,
+	}))
+}