nuyue
123 lines
3.3 KiB
Go
123 lines
3.3 KiB
Go
package handlers
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import (
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"net/http"
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"strconv"
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"sale/internal/models"
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"sale/internal/utils"
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"github.com/gin-gonic/gin"
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)
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type AnnouncementHandler struct{}
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func NewAnnouncementHandler() *AnnouncementHandler {
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return &AnnouncementHandler{}
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}
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// List 用户端接口 - 只返回激活的公告
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func (h *AnnouncementHandler) List(c *gin.Context) {
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var announcements []models.Announcement
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utils.DB.Where("is_active = ?", true).
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Order("sort_order ASC, created_at DESC").
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Find(&announcements)
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c.JSON(http.StatusOK, gin.H{"data": announcements})
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}
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// AdminList 管理端接口 - 返回所有公告
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func (h *AnnouncementHandler) AdminList(c *gin.Context) {
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var announcements []models.Announcement
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utils.DB.Order("sort_order ASC, created_at DESC").Find(&announcements)
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c.JSON(http.StatusOK, gin.H{"data": announcements})
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}
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// Create 创建公告
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func (h *AnnouncementHandler) Create(c *gin.Context) {
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var req struct {
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Title string `json:"title" binding:"required"`
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Content string `json:"content"`
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SortOrder int `json:"sort_order"`
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IsActive bool `json:"is_active"`
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}
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "标题不能为空"})
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return
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}
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announcement := models.Announcement{
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Title: req.Title,
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Content: req.Content,
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SortOrder: req.SortOrder,
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IsActive: req.IsActive,
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}
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utils.DB.Create(&announcement)
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c.JSON(http.StatusCreated, gin.H{"data": announcement})
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}
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// Update 更新公告
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func (h *AnnouncementHandler) Update(c *gin.Context) {
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id, err := strconv.Atoi(c.Param("id"))
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的ID"})
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return
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}
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var announcement models.Announcement
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if err := utils.DB.First(&announcement, id).Error; err != nil {
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c.JSON(http.StatusNotFound, gin.H{"error": "公告不存在"})
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return
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}
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var req struct {
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Title string `json:"title"`
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Content string `json:"content"`
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SortOrder int `json:"sort_order"`
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IsActive bool `json:"is_active"`
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}
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "参数错误"})
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return
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}
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announcement.Title = req.Title
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announcement.Content = req.Content
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announcement.SortOrder = req.SortOrder
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announcement.IsActive = req.IsActive
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utils.DB.Save(&announcement)
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c.JSON(http.StatusOK, gin.H{"data": announcement})
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}
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// Delete 删除公告
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func (h *AnnouncementHandler) Delete(c *gin.Context) {
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id, err := strconv.Atoi(c.Param("id"))
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的ID"})
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return
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}
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if err := utils.DB.Delete(&models.Announcement{}, id).Error; err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "删除失败"})
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return
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}
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c.JSON(http.StatusOK, gin.H{"message": "删除成功"})
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}
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// ToggleActive 切换激活状态
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func (h *AnnouncementHandler) ToggleActive(c *gin.Context) {
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id, err := strconv.Atoi(c.Param("id"))
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的ID"})
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return
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}
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var announcement models.Announcement
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if err := utils.DB.First(&announcement, id).Error; err != nil {
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c.JSON(http.StatusNotFound, gin.H{"error": "公告不存在"})
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return
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}
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announcement.IsActive = !announcement.IsActive
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utils.DB.Save(&announcement)
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c.JSON(http.StatusOK, gin.H{"data": announcement})
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} |