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MetaLab/internal/model/post.go
Victor_Jay b7acc91f8c feat: 实现评论系统(后端 + 前端)
- 新增 Comment/CommentMention 模型,Post 新增 CommentsCount 冗余计数器
- 新增 CommentRepo(CRUD + @搜索 LV3+ + 回复统计 + 文章作者查询)
- 新增 CommentService(发表/回复/删除/@解析/通知 NotifyComment/NotifyCommentReply)
- 新增 CommentController(6 个 API 端点),commentUseCase ISP 接口
- 新增评论路由(公开读取 + 需登录写入),依赖注入,错误哨兵,数据库迁移
- 前端评论区 HTML/CSS/JS:分页加载、回复折叠展开、内联回复表单、@提及自动补全
2026-06-01 13:24:16 +08:00

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package model
import (
"time"
"gorm.io/gorm"
)
// Post 帖子/文章模型
type Post struct {
ID uint `gorm:"primarykey" json:"id"`
Title string `gorm:"type:varchar(200);not null" json:"title"`
Body string `gorm:"type:text" json:"body"` // Markdown content
Excerpt string `gorm:"type:varchar(500)" json:"excerpt"` // plain text summary for list
UserID uint `gorm:"index;not null" json:"user_id"`
Status string `gorm:"type:varchar(20);index;default:draft;not null" json:"status"`
IsLocked bool `gorm:"default:false" json:"is_locked"`
LockReason string `gorm:"type:varchar(500);default:''" json:"lock_reason,omitempty"`
PendingTitle string `gorm:"type:varchar(200);default:''" json:"pending_title,omitempty"`
PendingBody string `gorm:"type:text" json:"pending_body,omitempty"`
RejectReason string `gorm:"type:varchar(500);default:''" json:"reject_reason,omitempty"`
AllowComment bool `gorm:"default:true" json:"allow_comment"`
CommentsCount int `gorm:"default:0" json:"comments_count"` // 评论数(冗余计数器)
TotalEnergyReceived int `gorm:"default:0" json:"total_energy_received"` // 文章累计被赋能域能乘10冗余计数
DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
// 非数据库字段(联表查询填充)
// gorm:"-:migration" 指定不创建/迁移该列,"<-:false" 禁止写入,"column:author_name" 允许
// 从 JOIN 查询的 users.username AS author_name 别名中读取
AuthorName string `gorm:"-:migration;<-:false;column:author_name" json:"author_name,omitempty"`
}
// 帖子状态常量
const (
PostStatusDraft = "draft"
PostStatusPending = "pending"
PostStatusApproved = "approved"
PostStatusRejected = "rejected"
PostStatusLocked = "locked"
)