lan
4c0177149a
This removes verbose trace output in handlers/services and keeps only actionable error-level logs.
443 lines
14 KiB
Go
443 lines
14 KiB
Go
package service
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import (
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"context"
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"fmt"
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"time"
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"carrot_bbs/internal/cache"
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"carrot_bbs/internal/model"
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"carrot_bbs/internal/pkg/utils"
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"carrot_bbs/internal/repository"
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)
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// SystemMessageService 系统消息服务接口
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type SystemMessageService interface {
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// 发送互动通知
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SendLikeNotification(ctx context.Context, userID string, operatorID string, postID string) error
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SendCommentNotification(ctx context.Context, userID string, operatorID string, postID string, commentID string) error
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SendReplyNotification(ctx context.Context, userID string, operatorID string, postID string, commentID string, replyID string) error
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SendFollowNotification(ctx context.Context, userID string, operatorID string) error
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SendMentionNotification(ctx context.Context, userID string, operatorID string, postID string) error
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SendFavoriteNotification(ctx context.Context, userID string, operatorID string, postID string) error
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SendLikeCommentNotification(ctx context.Context, userID string, operatorID string, postID string, commentID string, commentContent string) error
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SendLikeReplyNotification(ctx context.Context, userID string, operatorID string, postID string, replyID string, replyContent string) error
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// 发送系统公告
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SendSystemAnnouncement(ctx context.Context, userIDs []string, title string, content string) error
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SendBroadcastAnnouncement(ctx context.Context, title string, content string) error
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}
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type systemMessageServiceImpl struct {
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notifyRepo *repository.SystemNotificationRepository
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pushService PushService
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userRepo *repository.UserRepository
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postRepo *repository.PostRepository
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cache cache.Cache
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}
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// NewSystemMessageService 创建系统消息服务
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func NewSystemMessageService(
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notifyRepo *repository.SystemNotificationRepository,
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pushService PushService,
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userRepo *repository.UserRepository,
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postRepo *repository.PostRepository,
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) SystemMessageService {
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return &systemMessageServiceImpl{
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notifyRepo: notifyRepo,
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pushService: pushService,
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userRepo: userRepo,
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postRepo: postRepo,
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cache: cache.GetCache(),
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}
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}
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// SendLikeNotification 发送点赞通知
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func (s *systemMessageServiceImpl) SendLikeNotification(ctx context.Context, userID string, operatorID string, postID string) error {
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// 获取操作者信息
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actorName, avatarURL, err := s.getActorInfo(ctx, operatorID)
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if err != nil {
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return err
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}
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// 获取帖子标题
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postTitle, err := s.getPostTitle(postID)
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if err != nil {
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postTitle = "您的帖子"
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}
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extraData := &model.SystemNotificationExtra{
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ActorIDStr: operatorID,
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ActorName: actorName,
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AvatarURL: avatarURL,
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TargetID: postID,
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TargetTitle: postTitle,
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TargetType: "post",
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ActionURL: fmt.Sprintf("/posts/%s", postID),
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ActionTime: time.Now().Format(time.RFC3339),
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}
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content := fmt.Sprintf("%s 赞了「%s」", actorName, postTitle)
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// 创建通知
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notification, err := s.createNotification(ctx, userID, model.SysNotifyLikePost, content, extraData)
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if err != nil {
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return fmt.Errorf("failed to create like notification: %w", err)
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}
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// 推送通知
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return s.pushService.PushSystemNotification(ctx, userID, notification)
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}
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// SendCommentNotification 发送评论通知
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func (s *systemMessageServiceImpl) SendCommentNotification(ctx context.Context, userID string, operatorID string, postID string, commentID string) error {
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// 获取操作者信息
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actorName, avatarURL, err := s.getActorInfo(ctx, operatorID)
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if err != nil {
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return err
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}
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// 获取帖子标题
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postTitle, err := s.getPostTitle(postID)
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if err != nil {
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postTitle = "您的帖子"
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}
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extraData := &model.SystemNotificationExtra{
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ActorIDStr: operatorID,
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ActorName: actorName,
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AvatarURL: avatarURL,
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TargetID: postID,
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TargetTitle: postTitle,
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TargetType: "comment",
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ActionURL: fmt.Sprintf("/posts/%s?comment=%s", postID, commentID),
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ActionTime: time.Now().Format(time.RFC3339),
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}
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content := fmt.Sprintf("%s 评论了「%s」", actorName, postTitle)
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// 创建通知
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notification, err := s.createNotification(ctx, userID, model.SysNotifyComment, content, extraData)
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if err != nil {
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return fmt.Errorf("failed to create comment notification: %w", err)
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}
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// 推送通知
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return s.pushService.PushSystemNotification(ctx, userID, notification)
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}
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// SendReplyNotification 发送回复通知
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func (s *systemMessageServiceImpl) SendReplyNotification(ctx context.Context, userID string, operatorID string, postID string, commentID string, replyID string) error {
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// 获取操作者信息
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actorName, avatarURL, err := s.getActorInfo(ctx, operatorID)
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if err != nil {
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return err
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}
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// 获取帖子标题
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postTitle, err := s.getPostTitle(postID)
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if err != nil {
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postTitle = "您的帖子"
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}
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extraData := &model.SystemNotificationExtra{
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ActorIDStr: operatorID,
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ActorName: actorName,
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AvatarURL: avatarURL,
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TargetID: replyID,
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TargetTitle: postTitle,
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TargetType: "reply",
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ActionURL: fmt.Sprintf("/posts/%s?comment=%s&reply=%s", postID, commentID, replyID),
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ActionTime: time.Now().Format(time.RFC3339),
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}
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content := fmt.Sprintf("%s 回复了您在「%s」的评论", actorName, postTitle)
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// 创建通知
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notification, err := s.createNotification(ctx, userID, model.SysNotifyReply, content, extraData)
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if err != nil {
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return fmt.Errorf("failed to create reply notification: %w", err)
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}
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// 推送通知
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return s.pushService.PushSystemNotification(ctx, userID, notification)
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}
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// SendFollowNotification 发送关注通知
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func (s *systemMessageServiceImpl) SendFollowNotification(ctx context.Context, userID string, operatorID string) error {
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// 获取操作者信息
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actorName, avatarURL, err := s.getActorInfo(ctx, operatorID)
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if err != nil {
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return err
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}
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extraData := &model.SystemNotificationExtra{
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ActorIDStr: operatorID,
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ActorName: actorName,
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AvatarURL: avatarURL,
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TargetID: "",
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TargetType: "user",
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ActionURL: fmt.Sprintf("/users/%s", operatorID),
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ActionTime: time.Now().Format(time.RFC3339),
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}
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content := fmt.Sprintf("%s 关注了你", actorName)
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// 创建通知
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notification, err := s.createNotification(ctx, userID, model.SysNotifyFollow, content, extraData)
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if err != nil {
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return fmt.Errorf("failed to create follow notification: %w", err)
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}
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// 推送通知
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return s.pushService.PushSystemNotification(ctx, userID, notification)
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}
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// SendFavoriteNotification 发送收藏通知
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func (s *systemMessageServiceImpl) SendFavoriteNotification(ctx context.Context, userID string, operatorID string, postID string) error {
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// 获取操作者信息
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actorName, avatarURL, err := s.getActorInfo(ctx, operatorID)
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if err != nil {
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return err
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}
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// 获取帖子标题
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postTitle, err := s.getPostTitle(postID)
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if err != nil {
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postTitle = "您的帖子"
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}
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extraData := &model.SystemNotificationExtra{
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ActorIDStr: operatorID,
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ActorName: actorName,
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AvatarURL: avatarURL,
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TargetID: postID,
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TargetTitle: postTitle,
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TargetType: "post",
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ActionURL: fmt.Sprintf("/posts/%s", postID),
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ActionTime: time.Now().Format(time.RFC3339),
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}
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content := fmt.Sprintf("%s 收藏了「%s」", actorName, postTitle)
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// 创建通知
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notification, err := s.createNotification(ctx, userID, model.SysNotifyFavoritePost, content, extraData)
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if err != nil {
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return fmt.Errorf("failed to create favorite notification: %w", err)
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}
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// 推送通知
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return s.pushService.PushSystemNotification(ctx, userID, notification)
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}
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// SendLikeCommentNotification 发送评论点赞通知
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func (s *systemMessageServiceImpl) SendLikeCommentNotification(ctx context.Context, userID string, operatorID string, postID string, commentID string, commentContent string) error {
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// 获取操作者信息
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actorName, avatarURL, err := s.getActorInfo(ctx, operatorID)
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if err != nil {
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return err
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}
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// 截取评论内容预览（最多50字）
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preview := commentContent
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runes := []rune(preview)
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if len(runes) > 50 {
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preview = string(runes[:50]) + "..."
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}
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extraData := &model.SystemNotificationExtra{
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ActorIDStr: operatorID,
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ActorName: actorName,
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AvatarURL: avatarURL,
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TargetID: postID,
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TargetTitle: preview,
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TargetType: "comment",
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ActionURL: fmt.Sprintf("/posts/%s?comment=%s", postID, commentID),
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ActionTime: time.Now().Format(time.RFC3339),
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}
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content := fmt.Sprintf("%s 赞了您的评论", actorName)
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// 创建通知
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notification, err := s.createNotification(ctx, userID, model.SysNotifyLikeComment, content, extraData)
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if err != nil {
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return fmt.Errorf("failed to create like comment notification: %w", err)
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}
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// 推送通知
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return s.pushService.PushSystemNotification(ctx, userID, notification)
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}
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// SendLikeReplyNotification 发送回复点赞通知
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func (s *systemMessageServiceImpl) SendLikeReplyNotification(ctx context.Context, userID string, operatorID string, postID string, replyID string, replyContent string) error {
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// 获取操作者信息
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actorName, avatarURL, err := s.getActorInfo(ctx, operatorID)
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if err != nil {
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return err
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}
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// 截取回复内容预览（最多50字）
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preview := replyContent
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runes := []rune(preview)
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if len(runes) > 50 {
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preview = string(runes[:50]) + "..."
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}
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extraData := &model.SystemNotificationExtra{
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ActorIDStr: operatorID,
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ActorName: actorName,
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AvatarURL: avatarURL,
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TargetID: postID,
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TargetTitle: preview,
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TargetType: "reply",
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ActionURL: fmt.Sprintf("/posts/%s?reply=%s", postID, replyID),
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ActionTime: time.Now().Format(time.RFC3339),
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}
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content := fmt.Sprintf("%s 赞了您的回复", actorName)
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// 创建通知
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notification, err := s.createNotification(ctx, userID, model.SysNotifyLikeReply, content, extraData)
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if err != nil {
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return fmt.Errorf("failed to create like reply notification: %w", err)
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}
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// 推送通知
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return s.pushService.PushSystemNotification(ctx, userID, notification)
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}
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// SendMentionNotification 发送@提及通知
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func (s *systemMessageServiceImpl) SendMentionNotification(ctx context.Context, userID string, operatorID string, postID string) error {
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// 获取操作者信息
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actorName, avatarURL, err := s.getActorInfo(ctx, operatorID)
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if err != nil {
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return err
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}
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// 获取帖子标题
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postTitle, err := s.getPostTitle(postID)
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if err != nil {
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postTitle = "您的帖子"
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}
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extraData := &model.SystemNotificationExtra{
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ActorIDStr: operatorID,
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ActorName: actorName,
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AvatarURL: avatarURL,
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TargetID: postID,
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TargetTitle: postTitle,
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TargetType: "post",
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ActionURL: fmt.Sprintf("/posts/%s", postID),
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ActionTime: time.Now().Format(time.RFC3339),
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}
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content := fmt.Sprintf("%s 在「%s」中提到了你", actorName, postTitle)
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// 创建通知
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notification, err := s.createNotification(ctx, userID, model.SysNotifyMention, content, extraData)
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if err != nil {
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return fmt.Errorf("failed to create mention notification: %w", err)
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}
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// 推送通知
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return s.pushService.PushSystemNotification(ctx, userID, notification)
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}
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// SendSystemAnnouncement 发送系统公告给指定用户
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func (s *systemMessageServiceImpl) SendSystemAnnouncement(ctx context.Context, userIDs []string, title string, content string) error {
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for _, userID := range userIDs {
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extraData := &model.SystemNotificationExtra{
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TargetType: "announcement",
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ActionTime: time.Now().Format(time.RFC3339),
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}
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notification, err := s.createNotification(ctx, userID, model.SysNotifyAnnounce, fmt.Sprintf("【%s】%s", title, content), extraData)
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if err != nil {
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continue // 单个失败不影响其他用户
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}
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// 推送通知（使用高优先级）
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if err := s.pushService.PushSystemNotification(ctx, userID, notification); err != nil {
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continue
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}
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}
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return nil
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}
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// SendBroadcastAnnouncement 发送广播公告给所有在线用户
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func (s *systemMessageServiceImpl) SendBroadcastAnnouncement(ctx context.Context, title string, content string) error {
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// TODO: 实现广播公告
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// 1. 获取所有在线用户
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// 2. 批量发送公告
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// 3. 对于离线用户，存储为待推送记录
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return fmt.Errorf("broadcast announcement not implemented")
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}
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// createNotification 创建系统通知（存储到独立表）
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func (s *systemMessageServiceImpl) createNotification(ctx context.Context, userID string, notifyType model.SystemNotificationType, content string, extraData *model.SystemNotificationExtra) (*model.SystemNotification, error) {
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// 生成雪花算法ID
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id, err := utils.GetSnowflake().GenerateID()
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if err != nil {
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return nil, fmt.Errorf("failed to generate notification ID: %w", err)
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}
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notification := &model.SystemNotification{
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ID: id,
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ReceiverID: userID,
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Type: notifyType,
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Content: content,
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ExtraData: extraData,
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IsRead: false,
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}
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// 保存通知到数据库
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if err := s.notifyRepo.Create(notification); err != nil {
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return nil, fmt.Errorf("failed to save notification: %w", err)
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}
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// 失效系统消息未读数缓存
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cache.InvalidateUnreadSystem(s.cache, userID)
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return notification, nil
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}
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// getActorInfo 获取操作者信息
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func (s *systemMessageServiceImpl) getActorInfo(ctx context.Context, operatorID string) (string, string, error) {
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// 从用户仓储获取用户信息
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if s.userRepo != nil {
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user, err := s.userRepo.GetByID(operatorID)
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if err != nil {
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return "用户", utils.GenerateDefaultAvatarURL("用户"), nil // 返回默认值，不阻断流程
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}
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avatar := utils.GetAvatarOrDefault(user.Username, user.Nickname, user.Avatar)
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return user.Nickname, avatar, nil
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}
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// 如果没有用户仓储，返回默认值
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return "用户", utils.GenerateDefaultAvatarURL("用户"), nil
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}
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// getPostTitle 获取帖子标题
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func (s *systemMessageServiceImpl) getPostTitle(postID string) (string, error) {
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if s.postRepo == nil {
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if len(postID) >= 8 {
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return fmt.Sprintf("帖子#%s", postID[:8]), nil
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}
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return fmt.Sprintf("帖子#%s", postID), nil
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}
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post, err := s.postRepo.GetByID(postID)
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if err != nil {
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if len(postID) >= 8 {
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return fmt.Sprintf("帖子#%s", postID[:8]), nil
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}
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return fmt.Sprintf("帖子#%s", postID), nil
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}
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if post.Title != "" {
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return post.Title, nil
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}
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// 如果没有标题，返回内容前20个字符
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if len(post.Content) > 20 {
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return post.Content[:20] + "...", nil
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}
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return post.Content, nil
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}
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