fix(admin): 添加管理操作错误处理及更新模板样式

- 管理后台帖子与用户审核操作中添加失败错误重定向处理
- 管理后台帖子、用户、评论删除操作中添加错误检查及提示
- 用户角色更新操作失败时添加错误重定向
- 用户封禁通知失败时添加相应错误提示
- 登录登出时session保存加入错误处理
- 讨论区上传目录创建失败时显示错误提示
- 移除admin_dashboard.html多余样式及修正侧边栏当前页高亮
- admin_posts.html和admin_users.html添加状态样式动态使用的隐藏span元素
- admin_users.html为角色选择添加label以提升无障碍性
- 升级项目依赖版本，包含gin、gorm、validator等核心库版本更新

internal/controllers/admin.go

@@ -4,9 +4,10 @@ import (
 	"net/http"
 	"strconv"
 
-	"github.com/gin-gonic/gin"
 	"lv8girl/internal/middleware"
 	"lv8girl/internal/services"
+
+	"github.com/gin-gonic/gin"
 )
 
 type AdminController struct {
@@ -50,10 +51,16 @@ func (c *AdminController) ApprovePost(ctx *gin.Context) {
 	action := ctx.Param("action")
 
 	if action == "approve" {
-		c.adminSvc.ApprovePost(postID)
+		if err := c.adminSvc.ApprovePost(postID); err != nil {
+			ctx.Redirect(http.StatusFound, "/admin/pending_posts?msg=审核失败")
+			return
+		}
 		ctx.Redirect(http.StatusFound, "/admin/pending_posts?msg=帖子已通过审核")
 	} else if action == "reject" {
-		c.adminSvc.RejectPost(postID)
+		if err := c.adminSvc.RejectPost(postID); err != nil {
+			ctx.Redirect(http.StatusFound, "/admin/pending_posts?msg=拒绝失败")
+			return
+		}
 		ctx.Redirect(http.StatusFound, "/admin/pending_posts?msg=帖子已拒绝")
 	} else {
 		ctx.Redirect(http.StatusFound, "/admin/pending_posts")
@@ -78,12 +85,24 @@ func (c *AdminController) ApproveUser(ctx *gin.Context) {
 	adminID, _ := ctx.Get("user_id")
 
 	if action == "approve" {
-		c.adminSvc.ApproveUser(userID)
-		c.messageSvc.NotifyUserApproved(adminID.(uint), userID)
+		if err := c.adminSvc.ApproveUser(userID); err != nil {
+			ctx.Redirect(http.StatusFound, "/admin/pending_users?msg=审核失败")
+			return
+		}
+		if err := c.messageSvc.NotifyUserApproved(adminID.(uint), userID); err != nil {
+			ctx.Redirect(http.StatusFound, "/admin/pending_users?msg=审核通过但通知失败")
+			return
+		}
 		ctx.Redirect(http.StatusFound, "/admin/pending_users?msg=用户已通过审核")
 	} else if action == "reject" {
-		c.adminSvc.RejectUser(userID)
-		c.messageSvc.NotifyUserRejected(adminID.(uint), userID)
+		if err := c.adminSvc.RejectUser(userID); err != nil {
+			ctx.Redirect(http.StatusFound, "/admin/pending_users?msg=拒绝失败")
+			return
+		}
+		if err := c.messageSvc.NotifyUserRejected(adminID.(uint), userID); err != nil {
+			ctx.Redirect(http.StatusFound, "/admin/pending_users?msg=拒绝成功但通知失败")
+			return
+		}
 		ctx.Redirect(http.StatusFound, "/admin/pending_users?msg=用户已拒绝")
 	} else {
 		ctx.Redirect(http.StatusFound, "/admin/pending_users")
@@ -104,7 +123,10 @@ func (c *AdminController) Posts(ctx *gin.Context) {
 
 func (c *AdminController) DeletePost(ctx *gin.Context) {
 	postID := parseUint(ctx.Param("id"))
-	c.adminSvc.DeletePost(postID)
+	if err := c.adminSvc.DeletePost(postID); err != nil {
+		ctx.Redirect(http.StatusFound, "/admin/posts?msg=删除失败")
+		return
+	}
 	ctx.Redirect(http.StatusFound, "/admin/posts?msg=帖子已删除")
 }
 
@@ -134,10 +156,16 @@ func (c *AdminController) UpdateUserRole(ctx *gin.Context) {
 		return
 	}
 
-	c.adminSvc.UpdateUserRole(uint(userID), newRole)
+	if err := c.adminSvc.UpdateUserRole(uint(userID), newRole); err != nil {
+		ctx.Redirect(http.StatusFound, "/admin/users?msg=更新失败")
+		return
+	}
 
 	if newRole == "banned" {
-		c.messageSvc.NotifyUserBanned(currentUserID.(uint), uint(userID))
+		if err := c.messageSvc.NotifyUserBanned(currentUserID.(uint), uint(userID)); err != nil {
+			ctx.Redirect(http.StatusFound, "/admin/users?msg=封禁成功但通知失败")
+			return
+		}
 	}
 
 	ctx.Redirect(http.StatusFound, "/admin/users?msg=用户角色已更新")
@@ -152,7 +180,10 @@ func (c *AdminController) DeleteUser(ctx *gin.Context) {
 		return
 	}
 
-	c.adminSvc.DeleteUser(userID)
+	if err := c.adminSvc.DeleteUser(userID); err != nil {
+		ctx.Redirect(http.StatusFound, "/admin/users?msg=删除失败")
+		return
+	}
 	ctx.Redirect(http.StatusFound, "/admin/users?msg=用户已删除")
 }
 
@@ -170,7 +201,10 @@ func (c *AdminController) Comments(ctx *gin.Context) {
 
 func (c *AdminController) DeleteComment(ctx *gin.Context) {
 	commentID := parseUint(ctx.Param("id"))
-	c.adminSvc.DeleteComment(commentID)
+	if err := c.adminSvc.DeleteComment(commentID); err != nil {
+		ctx.Redirect(http.StatusFound, "/admin/comments?msg=删除失败")
+		return
+	}
 	ctx.Redirect(http.StatusFound, "/admin/comments?msg=评论已删除")
 }
 

internal/controllers/auth.go

@@ -3,9 +3,10 @@ package controllers
 import (
 	"net/http"
 
+	"lv8girl/internal/services"
+
 	"github.com/gin-contrib/sessions"
 	"github.com/gin-gonic/gin"
-	"lv8girl/internal/services"
 )
 
 type AuthController struct {
@@ -51,7 +52,10 @@ func (c *AuthController) Login(ctx *gin.Context) {
 	session.Set("user_id", result.User.ID)
 	session.Set("username", result.User.Username)
 	session.Set("user_role", result.User.Role)
-	session.Save()
+	if err := session.Save(); err != nil {
+		ctx.HTML(http.StatusOK, "login.html", gin.H{"Error": "登录失败，请重试"})
+		return
+	}
 
 	ctx.Redirect(http.StatusFound, "/")
 }
@@ -94,6 +98,9 @@ func (c *AuthController) Register(ctx *gin.Context) {
 func (c *AuthController) Logout(ctx *gin.Context) {
 	session := sessions.Default(ctx)
 	session.Clear()
-	session.Save()
+	if err := session.Save(); err != nil {
+		ctx.String(http.StatusInternalServerError, "退出失败")
+		return
+	}
 	ctx.Redirect(http.StatusFound, "/")
 }

internal/controllers/discussion.go

@@ -7,9 +7,10 @@ import (
 	"strings"
 	"time"
 
-	"github.com/gin-gonic/gin"
 	"lv8girl/internal/middleware"
 	"lv8girl/internal/services"
+
+	"github.com/gin-gonic/gin"
 )
 
 type DiscussionController struct {
@@ -72,7 +73,17 @@ func (c *DiscussionController) CreatePost(ctx *gin.Context) {
 		uploadDir := "uploads/posts"
 
 		if _, err := os.Stat(uploadDir); os.IsNotExist(err) {
-			os.MkdirAll(uploadDir, 0755)
+			if err := os.MkdirAll(uploadDir, 0755); err != nil {
+				ctx.HTML(http.StatusOK, "post_discussion.html", gin.H{
+					"IsLoggedIn": true,
+					"UserID":     userID,
+					"Username":   username,
+					"UserRole":   userRole,
+					"Error":      "创建上传目录失败",
+					"Success":    "",
+				})
+				return
+			}
 		}
 
 		imagePath = filepath.Join(uploadDir, filename)

internal/controllers/home.go

@@ -4,11 +4,12 @@ import (
 	"net/http"
 	"path/filepath"
 
-	"github.com/gin-contrib/sessions"
-	"github.com/gin-gonic/gin"
 	"lv8girl/internal/middleware"
 	"lv8girl/internal/repositories"
 	"lv8girl/internal/services"
+
+	"github.com/gin-contrib/sessions"
+	"github.com/gin-gonic/gin"
 )
 
 type HomeController struct {
@@ -36,7 +37,7 @@ func (c *HomeController) Index(ctx *gin.Context) {
 
 	if isLoggedIn {
 		userRepo := repositories.NewUserRepository()
-		userRepo.UpdateLastActive(userID)
+		_ = userRepo.UpdateLastActive(userID)
 	}
 
 	posts, _ := c.discussionSvc.GetApprovedPosts(30)
@@ -86,10 +87,10 @@ func (c *HomeController) ShowPost(ctx *gin.Context) {
 	}
 
 	if !viewedMap[postID] {
-		c.discussionSvc.IncrementViews(postID)
+		_ = c.discussionSvc.IncrementViews(postID)
 		viewedMap[postID] = true
 		session.Set(viewedKey, viewedMap)
-		session.Save()
+		_ = session.Save()
 	}
 
 	detail, err := c.discussionSvc.GetPostDetail(postID, userID)
@@ -129,7 +130,7 @@ func (c *HomeController) LikePost(ctx *gin.Context) {
 	}
 
 	postID := parseUint(ctx.Param("id"))
-	c.discussionSvc.AddLike(postID, userID)
+	_ = c.discussionSvc.AddLike(postID, userID)
 	ctx.Redirect(http.StatusFound, "/post/"+ctx.Param("id"))
 }
 
@@ -144,7 +145,7 @@ func (c *HomeController) AddComment(ctx *gin.Context) {
 	content := ctx.PostForm("content")
 
 	if content != "" {
-		c.discussionSvc.AddComment(postID, userID, content)
+		_ = c.discussionSvc.AddComment(postID, userID, content)
 	}
 
 	ctx.Redirect(http.StatusFound, "/post/"+ctx.Param("id"))

internal/controllers/message.go

@@ -4,10 +4,11 @@ import (
 	"net/http"
 	"strings"
 
-	"github.com/gin-gonic/gin"
 	"lv8girl/internal/middleware"
 	"lv8girl/internal/repositories"
 	"lv8girl/internal/services"
+
+	"github.com/gin-gonic/gin"
 )
 
 type MessageController struct {
@@ -79,7 +80,10 @@ func (c *MessageController) SendMessage(ctx *gin.Context) {
 		return
 	}
 
-	c.messageSvc.SendMessage(currentUserID, toUserID, content)
+	err := c.messageSvc.SendMessage(currentUserID, toUserID, content)
+	if err != nil {
+		return
+	}
 
 	ctx.HTML(http.StatusOK, "send_message.html", gin.H{
 		"Receiver": receiver,

internal/controllers/user.go

@@ -8,9 +8,10 @@ import (
 	"strings"
 	"time"
 
-	"github.com/gin-gonic/gin"
 	"lv8girl/internal/middleware"
 	"lv8girl/internal/services"
+
+	"github.com/gin-gonic/gin"
 )
 
 type UserController struct {
@@ -86,7 +87,10 @@ func (c *UserController) UploadAvatar(ctx *gin.Context) {
 	uploadDir := "uploads/avatars"
 
 	if _, err := os.Stat(uploadDir); os.IsNotExist(err) {
-		os.MkdirAll(uploadDir, 0755)
+		if err := os.MkdirAll(uploadDir, 0755); err != nil {
+			ctx.Redirect(http.StatusFound, "/profile?error=创建上传目录失败")
+			return
+		}
 	}
 
 	imagePath := filepath.Join(uploadDir, filename)
@@ -97,6 +101,9 @@ func (c *UserController) UploadAvatar(ctx *gin.Context) {
 
 	// 将路径转换为 URL 友好的格式（使用正斜杠）
 	avatarPath := filepath.ToSlash(imagePath)
-	c.userSvc.UpdateAvatar(userID, avatarPath)
+	if err := c.userSvc.UpdateAvatar(userID, avatarPath); err != nil {
+		ctx.Redirect(http.StatusFound, "/profile?error=头像更新失败")
+		return
+	}
 	ctx.Redirect(http.StatusFound, "/profile?success=头像更新成功")
 }