93 lines
2.7 KiB
Go
93 lines
2.7 KiB
Go
package handlers
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import (
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"strings"
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"github.com/gin-gonic/gin"
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"go.uber.org/zap"
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"tyapi-server/internal/application/product"
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"tyapi-server/internal/shared/interfaces"
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)
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// FileDownloadHandler 文件下载处理器
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type FileDownloadHandler struct {
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uiComponentAppService product.UIComponentApplicationService
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responseBuilder interfaces.ResponseBuilder
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logger *zap.Logger
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}
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// NewFileDownloadHandler 创建文件下载处理器
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func NewFileDownloadHandler(
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uiComponentAppService product.UIComponentApplicationService,
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responseBuilder interfaces.ResponseBuilder,
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logger *zap.Logger,
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) *FileDownloadHandler {
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return &FileDownloadHandler{
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uiComponentAppService: uiComponentAppService,
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responseBuilder: responseBuilder,
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logger: logger,
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}
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}
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// DownloadUIComponentFile 下载UI组件文件
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// @Summary 下载UI组件文件
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// @Description 下载UI组件文件
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// @Tags 文件下载
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// @Accept json
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// @Produce application/octet-stream
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// @Param id path string true "UI组件ID"
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// @Success 200 {file} file "文件内容"
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// @Failure 400 {object} interfaces.Response "请求参数错误"
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// @Failure 404 {object} interfaces.Response "UI组件不存在或文件不存在"
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// @Failure 500 {object} interfaces.Response "服务器内部错误"
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// @Router /api/v1/ui-components/{id}/download [get]
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func (h *FileDownloadHandler) DownloadUIComponentFile(c *gin.Context) {
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id := c.Param("id")
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if id == "" {
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h.responseBuilder.BadRequest(c, "UI组件ID不能为空")
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return
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}
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// 获取UI组件信息
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component, err := h.uiComponentAppService.GetUIComponentByID(c.Request.Context(), id)
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if err != nil {
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h.logger.Error("获取UI组件失败", zap.Error(err), zap.String("id", id))
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h.responseBuilder.InternalError(c, "获取UI组件失败")
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return
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}
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if component == nil {
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h.responseBuilder.NotFound(c, "UI组件不存在")
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return
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}
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if component.FilePath == nil {
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h.responseBuilder.NotFound(c, "UI组件文件不存在")
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return
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}
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// 获取文件路径
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filePath, err := h.uiComponentAppService.DownloadUIComponentFile(c.Request.Context(), id)
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if err != nil {
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h.logger.Error("获取UI组件文件路径失败", zap.Error(err), zap.String("id", id))
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h.responseBuilder.InternalError(c, "获取UI组件文件路径失败")
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return
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}
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// 设置下载文件名
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fileName := component.ComponentName
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if !strings.HasSuffix(strings.ToLower(fileName), ".zip") {
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fileName += ".zip"
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}
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// 设置响应头
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c.Header("Content-Description", "File Transfer")
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c.Header("Content-Transfer-Encoding", "binary")
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c.Header("Content-Disposition", "attachment; filename="+fileName)
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c.Header("Content-Type", "application/octet-stream")
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// 发送文件
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c.File(filePath)
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}
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