添加用户获取消息通知接口

controllers/notifications/getnotifications/getnotifications.go

@@ -0,0 +1,76 @@
+package getnotifications
+
+import (
+	"fmt"
+	"github.com/gin-gonic/gin"
+	"net/http"
+	"strconv"
+	"time"
+	"toutoukan/init/databaseInit"
+)
+
+type Notification struct {
+	// ⭐️ 新增: 主键 id
+	ID         uint      `gorm:"primaryKey" json:"id"` // GORM 会自动识别为自增主键
+	SenderID   string    `json:"sender_id"`
+	ReceiverID string    `json:"receiver_id"`
+	Status     int8      `json:"status"`
+	Sequence   string    `json:"sequence"`
+	CreatedAt  time.Time `json:"created_at"`
+	Content    string    `json:"content"`
+	IsRead     int8      `json:"is_read"`
+	MsgType    string    `json:"msg_type"`
+	Target     string    `json:"target"`
+}
+
+// TableName 指定 GORM 使用的表名
+func (Notification) TableName() string {
+	return "user_msg"
+}
+
+type UidRequest struct {
+	Uid string `json:"uid" binding:"required"` // binding:"required" 确保 uid 字段必须存在
+}
+
+// --- Gin Handler ---
+
+// GetNotifications 使用 GORM 进行数据库查询
+func GetNotifications(c *gin.Context) {
+	// 1. 从请求 Body 中获取 uid
+	var requestBody UidRequest
+	if err := c.ShouldBindJSON(&requestBody); err != nil {
+		// 如果 JSON 格式不正确或缺少 uid 字段，ShouldBindJSON 会返回错误
+		c.JSON(http.StatusBadRequest, gin.H{"message": "请求参数错误: " + err.Error()})
+		return
+	}
+	userID := requestBody.Uid
+
+	// 2. 获取分页参数 (这部分逻辑不变)
+	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
+	limit, _ := strconv.Atoi(c.DefaultQuery("limit", "20"))
+	offset := (page - 1) * limit
+
+	// 3. 准备用于接收结果的切片
+	var notifications []Notification
+
+	// 4. 使用 GORM 进行链式查询 (这部分逻辑不变)
+	result := databaseInit.UserDB.
+		Where("receiver_id = ?", userID).
+		Order("created_at DESC").
+		Limit(limit).
+		Offset(offset).
+		Find(&notifications)
+
+	// 5. GORM 的错误处理 (这部分逻辑不变)
+	if result.Error != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"message": fmt.Sprintf("查询数据库失败: %v", result.Error)})
+		return
+	}
+
+	// 6. 返回 JSON 响应 (这部分逻辑不变)
+	c.JSON(http.StatusOK, gin.H{
+		"data":    notifications,
+		"message": "获取消息列表成功",
+		"success": true,
+	})
+}

router/setupRouter.go

@@ -8,6 +8,7 @@ import (
 	"toutoukan/controllers/comments/publishComments"
 	"toutoukan/controllers/goods"
 	"toutoukan/controllers/kills"
+	"toutoukan/controllers/notifications/getnotifications"
 	"toutoukan/controllers/search"
 	"toutoukan/controllers/system"
 	"toutoukan/controllers/user"
@@ -55,6 +56,10 @@ func SetupRouter() *gin.Engine {
 		commentGroup.POST("/get", getcomments.GetComments)
 		commentGroup.POST("/publish", publishComments.PublishComment)
 	}
+	notificationGroup := r.Group("/notification")
+	{
+		notificationGroup.POST("/get", getnotifications.GetNotifications)
+	}
 
 	return r
 }