feat: add file export

api/v1/task/handler.go

@@ -61,3 +61,31 @@ func (h *TaskEndpoint) GetTaskList(c *gin.Context) {
 
 	c.JSON(http.StatusOK, common.SuccessResponse(c, resp))
 }
+
+func (h *TaskEndpoint) ExportTask(c *gin.Context) {
+	var req task.ExportTaskRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		log.Error(c, "func", "ExportTask", "msg", "Invalid parameters", "error", err)
+		c.JSON(http.StatusOK, common.ErrorResponse(c, common.CodeParamError, "Invalid parameters"))
+		return
+	}
+	fileData, contentType, err := h.taskService.ExportTask(c, &req)
+	if err != nil {
+		c.JSON(http.StatusOK, common.ErrorResponse(c, common.CodeSystemError, "导出任务失败"))
+		return
+	}
+
+	// set filename based on export type
+	var filename string
+	switch req.Type {
+	case "pdf":
+		filename = "texpixel_export.pdf"
+	case "docx":
+		filename = "texpixel_export.docx"
+	default:
+		filename = "texpixel_export"
+	}
+
+	c.Header("Content-Disposition", "attachment; filename="+filename)
+	c.Data(http.StatusOK, contentType, fileData)
+}