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https://git.fightbot.fun/hxuanyu/FileRelay.git
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Initial commit
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256
internal/api/admin/batch.go
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256
internal/api/admin/batch.go
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package admin
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import (
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"FileRelay/internal/bootstrap"
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"FileRelay/internal/model"
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"FileRelay/internal/service"
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"bytes"
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"encoding/json"
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"io"
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"log/slog"
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"net/http"
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"strconv"
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"time"
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"github.com/gin-gonic/gin"
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)
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type BatchHandler struct {
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batchService *service.BatchService
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}
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func NewBatchHandler() *BatchHandler {
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return &BatchHandler{
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batchService: service.NewBatchService(),
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}
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}
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type ListBatchesResponse struct {
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Total int64 `json:"total"`
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Page int `json:"page"`
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PageSize int `json:"page_size"`
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Data []model.FileBatch `json:"data"`
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}
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type UpdateBatchRequest struct {
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Remark *string `json:"remark"`
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ExpireType *string `json:"expire_type"`
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ExpireAt *time.Time `json:"expire_at"`
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MaxDownloads *int `json:"max_downloads"`
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DownloadCount *int `json:"download_count"`
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Status *string `json:"status"`
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}
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// ListBatches 获取批次列表
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// @Summary 获取批次列表
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// @Description 分页查询所有文件批次，支持按状态过滤和取件码模糊搜索
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// @Tags Admin
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// @Security AdminAuth
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// @Param page query int false "页码 (默认 1)"
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// @Param page_size query int false "每页数量 (默认 20)"
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// @Param status query string false "状态 (active/expired/deleted)"
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// @Param pickup_code query string false "取件码 (模糊搜索)"
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// @Produce json
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// @Success 200 {object} model.Response{data=ListBatchesResponse}
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// @Failure 401 {object} model.Response
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// @Router /api/admin/batches [get]
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func (h *BatchHandler) ListBatches(c *gin.Context) {
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page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
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pageSize, _ := strconv.Atoi(c.DefaultQuery("page_size", "20"))
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if page < 1 {
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page = 1
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}
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if pageSize < 1 {
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pageSize = 20
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}
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status := c.Query("status")
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pickupCode := c.Query("pickup_code")
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query := bootstrap.DB.Model(&model.FileBatch{})
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if status != "" {
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query = query.Where("status = ?", status)
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}
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if pickupCode != "" {
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query = query.Where("pickup_code LIKE ?", "%"+pickupCode+"%")
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}
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var total int64
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query.Count(&total)
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var batches []model.FileBatch
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err := query.Offset((page - 1) * pageSize).Limit(pageSize).Order("created_at DESC").Find(&batches).Error
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if err != nil {
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c.JSON(http.StatusInternalServerError, model.ErrorResponse(model.CodeInternalError, err.Error()))
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return
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}
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c.JSON(http.StatusOK, model.SuccessResponse(ListBatchesResponse{
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Total: total,
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Page: page,
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PageSize: pageSize,
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Data: batches,
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}))
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}
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// GetBatch 获取批次详情
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// @Summary 获取批次详情
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// @Description 根据批次 ID 获取批次信息及关联的文件列表
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// @Tags Admin
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// @Security AdminAuth
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// @Param batch_id path string true "批次 ID (UUID)"
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// @Produce json
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// @Success 200 {object} model.Response{data=model.FileBatch}
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// @Failure 404 {object} model.Response
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// @Router /api/admin/batches/{batch_id} [get]
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func (h *BatchHandler) GetBatch(c *gin.Context) {
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id := c.Param("batch_id")
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var batch model.FileBatch
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if err := bootstrap.DB.Preload("FileItems").First(&batch, "id = ?", id).Error; err != nil {
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c.JSON(http.StatusNotFound, model.ErrorResponse(model.CodeNotFound, "batch not found"))
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return
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}
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c.JSON(http.StatusOK, model.SuccessResponse(batch))
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}
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// UpdateBatch 修改批次信息
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// @Summary 修改批次信息
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// @Description 允许修改备注、过期策略、最大下载次数、状态等
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// @Tags Admin
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// @Security AdminAuth
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// @Accept json
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// @Produce json
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// @Param batch_id path string true "批次 ID (UUID)"
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// @Param request body UpdateBatchRequest true "修改内容"
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// @Success 200 {object} model.Response{data=model.FileBatch}
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// @Failure 400 {object} model.Response
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// @Router /api/admin/batches/{batch_id} [put]
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func (h *BatchHandler) UpdateBatch(c *gin.Context) {
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id := c.Param("batch_id")
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var batch model.FileBatch
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if err := bootstrap.DB.First(&batch, "id = ?", id).Error; err != nil {
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c.JSON(http.StatusNotFound, model.ErrorResponse(model.CodeNotFound, "batch not found"))
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return
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}
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rawBody, err := c.GetRawData()
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if err != nil {
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c.JSON(http.StatusBadRequest, model.ErrorResponse(model.CodeBadRequest, "failed to read body"))
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return
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}
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c.Request.Body = io.NopCloser(bytes.NewBuffer(rawBody))
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var input UpdateBatchRequest
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if err := c.ShouldBindJSON(&input); err != nil {
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c.JSON(http.StatusBadRequest, model.ErrorResponse(model.CodeBadRequest, err.Error()))
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return
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}
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var rawMap map[string]interface{}
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json.Unmarshal(rawBody, &rawMap)
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updates := make(map[string]interface{})
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if input.Remark != nil {
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updates["remark"] = *input.Remark
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}
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if input.ExpireType != nil {
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newType := *input.ExpireType
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updates["expire_type"] = newType
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// 如果类型发生变化，根据新类型清除不相关的配置
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if newType != batch.ExpireType {
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if newType == "download" {
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updates["expire_at"] = nil
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} else if newType == "time" {
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updates["max_downloads"] = 0
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} else if newType == "permanent" {
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updates["expire_at"] = nil
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updates["max_downloads"] = 0
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}
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}
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}
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// 显式提供的值具有最高优先级，但仅在逻辑允许的情况下
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// 例如：如果切换到了 download 类型，用户可以同时提供一个新的 max_downloads
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if _, ok := rawMap["expire_at"]; ok {
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updates["expire_at"] = input.ExpireAt
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}
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if input.MaxDownloads != nil {
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updates["max_downloads"] = *input.MaxDownloads
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}
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// 强制校验：如果最终结果是 permanent，确保限制被清空
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// 这样即使用户在请求中显式传了非零值，也会被修正
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finalType := batch.ExpireType
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if t, ok := updates["expire_type"].(string); ok {
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finalType = t
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}
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if finalType == "permanent" {
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updates["expire_at"] = nil
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updates["max_downloads"] = 0
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} else if finalType == "time" {
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// 如果是时间过期，max_downloads 应该始终为 0
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updates["max_downloads"] = 0
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} else if finalType == "download" {
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// 如果是下载次数过期，expire_at 应该始终为 null
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updates["expire_at"] = nil
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}
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if input.DownloadCount != nil {
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updates["download_count"] = *input.DownloadCount
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}
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if input.Status != nil {
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updates["status"] = *input.Status
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}
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if len(updates) > 0 {
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if err := bootstrap.DB.Model(&batch).Updates(updates).Error; err != nil {
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c.JSON(http.StatusInternalServerError, model.ErrorResponse(model.CodeInternalError, err.Error()))
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return
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}
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// 重新从数据库读取，确保返回的是完整且最新的数据
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bootstrap.DB.First(&batch, "id = ?", id)
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}
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c.JSON(http.StatusOK, model.SuccessResponse(batch))
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}
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// CleanBatches 手动触发清理过期或已删除的批次
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// @Summary 手动触发清理
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// @Description 手动扫描并物理删除所有已过期或标记为删除的文件批次及其关联文件
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// @Tags Admin
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// @Security AdminAuth
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// @Produce json
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// @Success 200 {object} model.Response
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// @Failure 500 {object} model.Response
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// @Router /api/admin/batches/clean [post]
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func (h *BatchHandler) CleanBatches(c *gin.Context) {
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slog.Info("Admin triggered manual cleanup")
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if err := h.batchService.Cleanup(c.Request.Context()); err != nil {
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slog.Error("Manual cleanup failed", "error", err)
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c.JSON(http.StatusInternalServerError, model.ErrorResponse(model.CodeInternalError, "cleanup failed: "+err.Error()))
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return
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}
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c.JSON(http.StatusOK, model.SuccessResponse(nil))
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}
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// DeleteBatch 删除批次
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// @Summary 删除批次
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// @Description 标记批次为已删除，并物理删除关联的存储文件
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// @Tags Admin
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// @Security AdminAuth
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// @Param batch_id path string true "批次 ID (UUID)"
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// @Produce json
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// @Success 200 {object} model.Response
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// @Failure 500 {object} model.Response
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// @Router /api/admin/batches/{batch_id} [delete]
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func (h *BatchHandler) DeleteBatch(c *gin.Context) {
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id := c.Param("batch_id")
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if err := h.batchService.DeleteBatch(c.Request.Context(), id); err != nil {
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c.JSON(http.StatusInternalServerError, model.ErrorResponse(model.CodeInternalError, err.Error()))
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return
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}
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c.JSON(http.StatusOK, model.SuccessResponse(map[string]interface{}{}))
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}
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