task_track/backend/internal/handler/task/get_task.go

package task

import (
	"net/http"
	"strconv"

	"task-track-backend/model"
	"task-track-backend/pkg/database"

	"github.com/gin-gonic/gin"
)

func (h *TaskHandler) GetTask(c *gin.Context) {
	// 获取任务ID
	taskIDStr := c.Param("id")
	taskID, err := strconv.ParseUint(taskIDStr, 10, 32)
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "无效的任务ID"})
		return
	}

	db := database.GetDB()

	var task model.Task
	// 预加载相关数据：创建者、分配者、组织、评论、附件
	err = db.Preload("Creator").
		Preload("Assignee").
		Preload("Organization").
		Preload("Comments").
		Preload("Comments.User").
		Preload("Attachments").
		First(&task, uint(taskID)).Error

	if err != nil {
		if err.Error() == "record not found" {
			c.JSON(http.StatusNotFound, gin.H{"error": "任务不存在"})
			return
		}
		c.JSON(http.StatusInternalServerError, gin.H{"error": "获取任务失败"})
		return
	}

	c.JSON(http.StatusOK, task)
}