feat: load preview page do not require user to login

api/handler/base_handler.go

@@ -4,8 +4,11 @@ import (
 	"chatplus/core"
 	"chatplus/core/types"
 	logger2 "chatplus/logger"
+	"chatplus/store/model"
 	"chatplus/utils"
+	"errors"
 	"fmt"
+	"gorm.io/gorm"
 	"strings"
 
 	"github.com/gin-gonic/gin"
@@ -15,6 +18,7 @@ var logger = logger2.GetLogger()
 
 type BaseHandler struct {
 	App *core.AppServer
+	DB  *gorm.DB
 }
 
 func (h *BaseHandler) GetTrim(c *gin.Context, key string) string {
@@ -57,3 +61,27 @@ func (h *BaseHandler) GetLoginUserId(c *gin.Context) uint {
 	}
 	return uint(utils.IntValue(utils.InterfaceToString(userId), 0))
 }
+
+func (h *BaseHandler) IsLogin(c *gin.Context) bool {
+	return h.GetLoginUserId(c) > 0
+}
+
+func (h *BaseHandler) GetLoginUser(c *gin.Context) (model.User, error) {
+	value, exists := c.Get(types.LoginUserCache)
+	if exists {
+		return value.(model.User), nil
+	}
+
+	userId, ok := c.Get(types.LoginUserID)
+	if !ok {
+		return model.User{}, errors.New("user not login")
+	}
+
+	var user model.User
+	res := h.DB.First(&user, userId)
+	// 更新缓存
+	if res.Error == nil {
+		c.Set(types.LoginUserCache, user)
+	}
+	return user, res.Error
+}